This document provides an overview of instrumentation systems and measurement concepts. It discusses key elements of measurement systems including primary sensing elements, variable conversion elements, and signal processing elements. It also defines important measurement terms like range, accuracy, sensitivity and resolution. Measurement techniques are classified as analog or digital systems. The roles of instrumentation systems in process monitoring and automatic control are introduced.
1. This document discusses instrumentation and measurement systems. It defines instrumentation as the science of measurement and control.
2. A measurement system consists of four main functional blocks - a sensing element, signal conditioning, signal processing, and data presentation. The sensing element detects the input quantity and produces a corresponding output. Signal conditioning prepares the output for further processing.
3. The performance of a sensing element is characterized by its static and dynamic characteristics. Static characteristics describe the sensor's performance when the input is constant or changing slowly, and include properties like range, sensitivity, linearity, and accuracy.
CONTENTS
Measurements
Significance of Measurement system
Fundamental methods of Measurement
The generalized measurement system
Definitions & basic concepts
Errors in Measurements
Sources of errors
Accuracy Precision
Resolution
Linearity
Hysteresis
Impedance loading
Introduction to Transducers
Classification of transducers
Capacitive
Inductive
Resistive
Electromagnetic
Piezoelectric
Photoconductive
Photovoltaic
Introduction to Instrumentation p point presentation.pptxDerejeGizaw2
This document provides an overview of an introduction to instrumentation course, including its objectives, contents, and key concepts. The course aims to discuss measurement systems, sensors, signal conditioning circuits, conversion elements, and output devices. It covers general principles like accuracy, precision, sensitivity, and dynamic characteristics. Measurement systems have sensing elements, conditioning circuits, processing elements, and presentation outputs. Sensors convert non-electrical quantities into electrical signals based on physical principles like resistance, induction, thermoelectric effects, and more.
Introduction to Measurement Transducers.pptPratheepVGMTS
Mechanical measurements involve determining unknown quantities by comparing them to known standards. There are three main stages in a measurement system: the detector-transducer stage senses the input signal, the intermediate modifying stage conditions the signal, and the terminating stage provides an output reading. Accuracy and precision are important metrics, with accurate referring to closeness to the true value and precise referring to reproducibility of readings. Many factors like calibration, environmental disturbances, and human errors can introduce inaccuracies and uncertainties into measurements. Proper measurement techniques and validated measurement systems are needed to obtain reliable experimental data.
This document provides an overview of instrumentation and measurement concepts. It discusses that instrumentation deals with measurement techniques and measuring devices. Measurement involves comparing an unknown quantity to a standard.
A measurement system consists of various elements including a primary sensing element to detect the measured quantity, a transducer to convert it to another form, and elements for signal manipulation, transmission, processing, presentation and storage. Measurement methods can be direct, comparing the measured quantity directly to a standard, or indirect, using a measurement system with multiple elements. Measurements are used for process monitoring, control and experimental analysis.
Mechatronics is an interdisciplinary field that combines mechanical engineering, electrical engineering, and computer science. It involves integrating mechanical and electrical systems with software to create intelligent machines and systems. A mechatronics system typically includes mechanical components, electrical components like sensors and actuators, electronic components, and software/control systems to monitor and control the system. Examples of mechatronics systems include digital cameras, washing machines, ATMs, anti-lock braking systems, and CNC machine tools. Key elements of mechatronics systems are sensors, actuators, signal conditioning devices, digital logic systems, software/data acquisition systems, and computers/displays.
The document defines key terms related to measurement and instrumentation. It discusses measurement concepts including physical quantities, data, information, parameters and measurands. It also describes instrumentation components like transducers, sensors and actuators. Measurement systems involve detection, signal conditioning and readout stages. The document reviews calibration procedures, measurement errors, and static and dynamic instrument characteristics.
This document provides an overview of instrumentation systems and measurement concepts. It discusses key elements of measurement systems including primary sensing elements, variable conversion elements, and signal processing elements. It also defines important measurement terms like range, accuracy, sensitivity and resolution. Measurement techniques are classified as analog or digital systems. The roles of instrumentation systems in process monitoring and automatic control are introduced.
1. This document discusses instrumentation and measurement systems. It defines instrumentation as the science of measurement and control.
2. A measurement system consists of four main functional blocks - a sensing element, signal conditioning, signal processing, and data presentation. The sensing element detects the input quantity and produces a corresponding output. Signal conditioning prepares the output for further processing.
3. The performance of a sensing element is characterized by its static and dynamic characteristics. Static characteristics describe the sensor's performance when the input is constant or changing slowly, and include properties like range, sensitivity, linearity, and accuracy.
CONTENTS
Measurements
Significance of Measurement system
Fundamental methods of Measurement
The generalized measurement system
Definitions & basic concepts
Errors in Measurements
Sources of errors
Accuracy Precision
Resolution
Linearity
Hysteresis
Impedance loading
Introduction to Transducers
Classification of transducers
Capacitive
Inductive
Resistive
Electromagnetic
Piezoelectric
Photoconductive
Photovoltaic
Introduction to Instrumentation p point presentation.pptxDerejeGizaw2
This document provides an overview of an introduction to instrumentation course, including its objectives, contents, and key concepts. The course aims to discuss measurement systems, sensors, signal conditioning circuits, conversion elements, and output devices. It covers general principles like accuracy, precision, sensitivity, and dynamic characteristics. Measurement systems have sensing elements, conditioning circuits, processing elements, and presentation outputs. Sensors convert non-electrical quantities into electrical signals based on physical principles like resistance, induction, thermoelectric effects, and more.
Introduction to Measurement Transducers.pptPratheepVGMTS
Mechanical measurements involve determining unknown quantities by comparing them to known standards. There are three main stages in a measurement system: the detector-transducer stage senses the input signal, the intermediate modifying stage conditions the signal, and the terminating stage provides an output reading. Accuracy and precision are important metrics, with accurate referring to closeness to the true value and precise referring to reproducibility of readings. Many factors like calibration, environmental disturbances, and human errors can introduce inaccuracies and uncertainties into measurements. Proper measurement techniques and validated measurement systems are needed to obtain reliable experimental data.
This document provides an overview of instrumentation and measurement concepts. It discusses that instrumentation deals with measurement techniques and measuring devices. Measurement involves comparing an unknown quantity to a standard.
A measurement system consists of various elements including a primary sensing element to detect the measured quantity, a transducer to convert it to another form, and elements for signal manipulation, transmission, processing, presentation and storage. Measurement methods can be direct, comparing the measured quantity directly to a standard, or indirect, using a measurement system with multiple elements. Measurements are used for process monitoring, control and experimental analysis.
Mechatronics is an interdisciplinary field that combines mechanical engineering, electrical engineering, and computer science. It involves integrating mechanical and electrical systems with software to create intelligent machines and systems. A mechatronics system typically includes mechanical components, electrical components like sensors and actuators, electronic components, and software/control systems to monitor and control the system. Examples of mechatronics systems include digital cameras, washing machines, ATMs, anti-lock braking systems, and CNC machine tools. Key elements of mechatronics systems are sensors, actuators, signal conditioning devices, digital logic systems, software/data acquisition systems, and computers/displays.
The document defines key terms related to measurement and instrumentation. It discusses measurement concepts including physical quantities, data, information, parameters and measurands. It also describes instrumentation components like transducers, sensors and actuators. Measurement systems involve detection, signal conditioning and readout stages. The document reviews calibration procedures, measurement errors, and static and dynamic instrument characteristics.
nstrumentation is the art of science of measurement and control. It is an applied
science that deals with analysis and design of systems for measurement purposes such as
quantify or expressing a variable numerically, determine or ascertain the value
(magnitude) of some particular phenomena, indicate record, register, signal, or perform
some operation on the value it has determined. Measurement is the process of quantifying
input quantity.
The role of measurement in ones country development particularly in the
advancement of science and technology is huge; this is because of the need or eagerness
for understanding of events or physical phenomenon.
ELECTRICAL AND ELECTRONICS MEASUREMENT Dinesh Sharma
This document discusses measurement techniques and instruments. It covers the basic components, classifications, functions, and errors of measurement instruments. The key points are:
- Measurement instruments have components for deflection, control, and damping of the pointer. Deflection indicates the measured quantity, control opposes deflection, and damping reduces oscillations.
- Instruments can be classified as analog or digital, absolute or secondary. Accuracy depends on design, materials, and errors like systematic, random, and environmental errors.
- Measurements involve comparing an unknown quantity to a standard and expressing the result numerically. Direct comparison is used when possible, otherwise indirect methods are used. Proper standards and methods are required for meaningful results.
This document provides an overview of engineering measurements and measurement systems. It discusses key concepts such as:
- Dimensions and units used to characterize physical quantities in measurements. The International System of Units (SI) and common English units are presented.
- The components of a generalized measurement system, including sensor, transducer, signal conditioning, output, and feedback control stages. Examples of liquid-in-glass thermometer and Bourdon tube pressure gauge systems are described.
- Definitions of variables involved in measurements like independent, dependent, discrete, continuous, and extraneous variables. Terms related to measurements such as sensitivity, least count, hysteresis, and repetitions are also defined.
This document provides an introduction to instrumentation and measurement. It discusses:
1. The importance of measurement in science, engineering, and daily life. Measurement allows the study of natural phenomena and supports technological advancement.
2. Key concepts in instrumentation including transducers that convert physical quantities to electrical signals, and functional elements like sensing, signal conversion/manipulation, transmission, and display.
3. Performance characteristics of instruments including static characteristics like accuracy, precision, resolution, sensitivity, and errors, and dynamic characteristics related to rapidly changing measurements. Calibration is also discussed.
4. Sources of errors in measurement including gross errors from human mistakes, systematic errors from instruments, environments, and observations, and random errors
This document outlines the course objectives and syllabus for a Measurements and Instrumentation course.
The course aims to: [1] Familiarize students with measuring instrument characteristics and concepts of analog and digital instruments; [2] Teach students how to evaluate instrument performance using bridges, transducers, and different measurement techniques; and [3] Demonstrate various transducers and sensors used to measure physical quantities.
The syllabus covers 5 units - science of measurements, analog instruments, digital instruments, comparative measurement methods, and transducers and data acquisition systems. Key topics include instrument elements, static and dynamic performance, error analysis, and an overview of common measurement devices.
Experimental Stress Analysis 2 Mark Q_A.docxharishm164877
This document discusses various topics related to experimental stress analysis including measurement, instrumentation, photoelasticity, and non-destructive testing. It defines key terms, describes methods and principles, and discusses advantages and limitations. Specifically, it discusses the basic principles of measurement, requirements for accurate measurement, types of errors, static and dynamic characteristics of instruments, principles of photoelasticity, properties of photoelastic materials, and advantages of non-destructive testing techniques like radiography and brittle coating methods.
This lecture introduces measurement and instrumentation. It defines measurement and instrumentation, discusses types of measurements and instruments. It reviews units of measurement, standards of measurement, and calibration. Measurement and instrumentation are used in various applications including home appliances, vehicles, and industrial processes to monitor and control parameters and improve operations.
The document discusses measurement systems and sensors used in manufacturing. It describes how sensors are employed to automate production and monitor processes. Sensor technology transforms conventional manufacturing by alerting operators to failures, reducing downtime, and allowing for ultra-precision and reduced labor. Sensors measure physical quantities and produce electrical outputs, while transducers convert one type of energy to another. Measurement systems have components like sensors, transducers, and signal processing devices. Sensors are classified based on their measuring functions and applications in manufacturing like displacement, velocity, force, pressure, flow, level, and temperature.
basic of measurement and instrumentation.SACHINNikam39
This document discusses instrumentation systems and measurement fundamentals. It begins by classifying instrument systems, such as absolute versus secondary instruments, analog versus digital, and mechanical versus electrical versus electronic. It then describes the functional elements of a generalized measurement system, including the primary sensing element, variable conversion element, variable manipulation element, data processing element, data transmission system, and data presentation element. Finally, it discusses standards used for calibration and measurement, categorizing them from primary reference standards to secondary, tertiary, and working standards used in inspection and workshops.
The document defines basic instrumentation and describes the key functional elements of instruments, including primary sensors, variable conversion elements, and signal processing elements. It discusses different types of instruments such as active vs passive, null-type vs deflection-type, analogue vs digital, indicating vs signal output instruments, and smart vs non-smart instruments. The document also covers static instrument characteristics like accuracy, precision, repeatability, and reproducibility. Choosing the appropriate instrument depends on factors like required measurement accuracy and environmental conditions.
JNTUK v semester electronics and communication engineering subject unit 1 ppt
A smart sensor is a device that takes input from the physical environment and uses built-in compute resources to perform predefined functions upon detection. A smart sensor is a device that takes input from the physical environment and uses built-in compute resources to perform predefined functions upon detection of specific input and then process data before passing it on. How do sensors work?
Most sensors use radiation such as light or laser, infrared, radio waves or other waves such as ultrasonic waves to detect objects and changes in their environment. They can do so by having an energy source inside them that enables them to emit the radiation towards their target object.
This document provides an overview of fundamentals of mechanical engineering measurements and control systems. It introduces various measurement techniques including pressure, temperature, mass flow rate, strain, force, and torque. Concepts such as accuracy, precision, resolution, and errors are discussed. An introduction to mechatronic systems including sensors, transducers, and actuation systems like gears, belts, and bearings is provided. Common pressure measurement instruments such as Bourdon tubes and manometers are described. Measurement characteristics such as accuracy, precision, resolution, and different types of errors are also summarized.
1) The document discusses measurement systems and provides definitions for key terms like accuracy, sensitivity, hysteresis, and resolution. It describes analog and digital measurement systems and the components that make them up, including sensors, signal conditioning, and controllers.
2) Common units for physical quantities like length, time, mass and current are discussed as well as standards for measurement. Analog signals like 4-20 mA and 3-15 psi are described for representing variable ranges.
3) Drawings like P&IDs (piping and instrumentation diagrams) and electrical schematics are addressed along with the standards that define their symbols. Sensor response curves are examined, including first-order exponential curves. Tutorial problems are presented at the
This document provides instruction on electrical measurement and calculation. It discusses measurement systems, converting between English and metric units, and using a multitester to measure voltage, resistance, and current. The key steps for converting units using conversion factors are outlined. Measurement of resistance using a multitester is also explained, including adjusting the meter to zero before measuring and determining resistance value based on the scale reading and range.
EIM 7/8 Lesson 2: Perform Mensuration and CalculationBenandro Palor
LEARNING OUTCOMES:
* explain the basic concept of a system of measurement;
* perform measurement and calculation about electrical works;
* observe safety precautions in handling electrical measuring tools and instruments.
This Lesson Includes:
* System of Measurement
* Basic Unit Conversions
* The Multitester
* Resistance Reading
odometer and some terms in instrumentationBagja Tirta
The document discusses various measurement instruments and their characteristics. It defines an odometer as an instrument that measures distance traveled by vehicles. It also defines a tripmeter, which differs from an odometer in that it can be reset to measure individual trips or parts of a trip. It then lists and describes 14 different measurement instruments and their functions, including their accuracy, precision, range, resolution, and more. It provides photos of some of the instruments discussed.
odometer and some terms in istrumentationBagja Tirta
The document discusses various measurement instruments and their characteristics. It defines an odometer as an instrument that measures distance traveled by vehicles. It also defines a tripmeter, which differs from an odometer in that it can be reset to measure individual trips or parts of a trip. It then lists and describes 14 different measurement instruments and their functions, including thermocouples, RTDs, pressure transmitters, data loggers, valves, and analog-to-digital converters and digital-to-analog converters. It includes photos illustrating some of these instruments.
This document discusses units, standards, and definitions used in instrumentation. It covers the International System of Units (SI) which defines seven base units and two supplementary units. It also discusses analog and digital representations of data, common units like current and pressure used to transmit analog signals, conversions between analog and digital formats, and different types of control systems from simple on/off control to networked digital control and programmable logic controllers. Finally, it examines sensor time response and how the output of a sensor may lag behind rapid changes in its input due to its finite response time.
The document discusses instruments, sensors, and calibration. It defines instruments as tools used for scientific work or measuring devices. Sensors provide measurements to control systems and the most common types measure motion, temperature, fluid properties, and electromagnetic states. There are various instruments that transmit, indicate, record, or control sensor readings in a feedback control system. Errors in sensors include intrinsic filtering that limits response speed, cyclical errors from manufacturing variations, and random noise. Calibration is needed to characterize sensors and compensate for errors.
nstrumentation is the art of science of measurement and control. It is an applied
science that deals with analysis and design of systems for measurement purposes such as
quantify or expressing a variable numerically, determine or ascertain the value
(magnitude) of some particular phenomena, indicate record, register, signal, or perform
some operation on the value it has determined. Measurement is the process of quantifying
input quantity.
The role of measurement in ones country development particularly in the
advancement of science and technology is huge; this is because of the need or eagerness
for understanding of events or physical phenomenon.
ELECTRICAL AND ELECTRONICS MEASUREMENT Dinesh Sharma
This document discusses measurement techniques and instruments. It covers the basic components, classifications, functions, and errors of measurement instruments. The key points are:
- Measurement instruments have components for deflection, control, and damping of the pointer. Deflection indicates the measured quantity, control opposes deflection, and damping reduces oscillations.
- Instruments can be classified as analog or digital, absolute or secondary. Accuracy depends on design, materials, and errors like systematic, random, and environmental errors.
- Measurements involve comparing an unknown quantity to a standard and expressing the result numerically. Direct comparison is used when possible, otherwise indirect methods are used. Proper standards and methods are required for meaningful results.
This document provides an overview of engineering measurements and measurement systems. It discusses key concepts such as:
- Dimensions and units used to characterize physical quantities in measurements. The International System of Units (SI) and common English units are presented.
- The components of a generalized measurement system, including sensor, transducer, signal conditioning, output, and feedback control stages. Examples of liquid-in-glass thermometer and Bourdon tube pressure gauge systems are described.
- Definitions of variables involved in measurements like independent, dependent, discrete, continuous, and extraneous variables. Terms related to measurements such as sensitivity, least count, hysteresis, and repetitions are also defined.
This document provides an introduction to instrumentation and measurement. It discusses:
1. The importance of measurement in science, engineering, and daily life. Measurement allows the study of natural phenomena and supports technological advancement.
2. Key concepts in instrumentation including transducers that convert physical quantities to electrical signals, and functional elements like sensing, signal conversion/manipulation, transmission, and display.
3. Performance characteristics of instruments including static characteristics like accuracy, precision, resolution, sensitivity, and errors, and dynamic characteristics related to rapidly changing measurements. Calibration is also discussed.
4. Sources of errors in measurement including gross errors from human mistakes, systematic errors from instruments, environments, and observations, and random errors
This document outlines the course objectives and syllabus for a Measurements and Instrumentation course.
The course aims to: [1] Familiarize students with measuring instrument characteristics and concepts of analog and digital instruments; [2] Teach students how to evaluate instrument performance using bridges, transducers, and different measurement techniques; and [3] Demonstrate various transducers and sensors used to measure physical quantities.
The syllabus covers 5 units - science of measurements, analog instruments, digital instruments, comparative measurement methods, and transducers and data acquisition systems. Key topics include instrument elements, static and dynamic performance, error analysis, and an overview of common measurement devices.
Experimental Stress Analysis 2 Mark Q_A.docxharishm164877
This document discusses various topics related to experimental stress analysis including measurement, instrumentation, photoelasticity, and non-destructive testing. It defines key terms, describes methods and principles, and discusses advantages and limitations. Specifically, it discusses the basic principles of measurement, requirements for accurate measurement, types of errors, static and dynamic characteristics of instruments, principles of photoelasticity, properties of photoelastic materials, and advantages of non-destructive testing techniques like radiography and brittle coating methods.
This lecture introduces measurement and instrumentation. It defines measurement and instrumentation, discusses types of measurements and instruments. It reviews units of measurement, standards of measurement, and calibration. Measurement and instrumentation are used in various applications including home appliances, vehicles, and industrial processes to monitor and control parameters and improve operations.
The document discusses measurement systems and sensors used in manufacturing. It describes how sensors are employed to automate production and monitor processes. Sensor technology transforms conventional manufacturing by alerting operators to failures, reducing downtime, and allowing for ultra-precision and reduced labor. Sensors measure physical quantities and produce electrical outputs, while transducers convert one type of energy to another. Measurement systems have components like sensors, transducers, and signal processing devices. Sensors are classified based on their measuring functions and applications in manufacturing like displacement, velocity, force, pressure, flow, level, and temperature.
basic of measurement and instrumentation.SACHINNikam39
This document discusses instrumentation systems and measurement fundamentals. It begins by classifying instrument systems, such as absolute versus secondary instruments, analog versus digital, and mechanical versus electrical versus electronic. It then describes the functional elements of a generalized measurement system, including the primary sensing element, variable conversion element, variable manipulation element, data processing element, data transmission system, and data presentation element. Finally, it discusses standards used for calibration and measurement, categorizing them from primary reference standards to secondary, tertiary, and working standards used in inspection and workshops.
The document defines basic instrumentation and describes the key functional elements of instruments, including primary sensors, variable conversion elements, and signal processing elements. It discusses different types of instruments such as active vs passive, null-type vs deflection-type, analogue vs digital, indicating vs signal output instruments, and smart vs non-smart instruments. The document also covers static instrument characteristics like accuracy, precision, repeatability, and reproducibility. Choosing the appropriate instrument depends on factors like required measurement accuracy and environmental conditions.
JNTUK v semester electronics and communication engineering subject unit 1 ppt
A smart sensor is a device that takes input from the physical environment and uses built-in compute resources to perform predefined functions upon detection. A smart sensor is a device that takes input from the physical environment and uses built-in compute resources to perform predefined functions upon detection of specific input and then process data before passing it on. How do sensors work?
Most sensors use radiation such as light or laser, infrared, radio waves or other waves such as ultrasonic waves to detect objects and changes in their environment. They can do so by having an energy source inside them that enables them to emit the radiation towards their target object.
This document provides an overview of fundamentals of mechanical engineering measurements and control systems. It introduces various measurement techniques including pressure, temperature, mass flow rate, strain, force, and torque. Concepts such as accuracy, precision, resolution, and errors are discussed. An introduction to mechatronic systems including sensors, transducers, and actuation systems like gears, belts, and bearings is provided. Common pressure measurement instruments such as Bourdon tubes and manometers are described. Measurement characteristics such as accuracy, precision, resolution, and different types of errors are also summarized.
1) The document discusses measurement systems and provides definitions for key terms like accuracy, sensitivity, hysteresis, and resolution. It describes analog and digital measurement systems and the components that make them up, including sensors, signal conditioning, and controllers.
2) Common units for physical quantities like length, time, mass and current are discussed as well as standards for measurement. Analog signals like 4-20 mA and 3-15 psi are described for representing variable ranges.
3) Drawings like P&IDs (piping and instrumentation diagrams) and electrical schematics are addressed along with the standards that define their symbols. Sensor response curves are examined, including first-order exponential curves. Tutorial problems are presented at the
This document provides instruction on electrical measurement and calculation. It discusses measurement systems, converting between English and metric units, and using a multitester to measure voltage, resistance, and current. The key steps for converting units using conversion factors are outlined. Measurement of resistance using a multitester is also explained, including adjusting the meter to zero before measuring and determining resistance value based on the scale reading and range.
EIM 7/8 Lesson 2: Perform Mensuration and CalculationBenandro Palor
LEARNING OUTCOMES:
* explain the basic concept of a system of measurement;
* perform measurement and calculation about electrical works;
* observe safety precautions in handling electrical measuring tools and instruments.
This Lesson Includes:
* System of Measurement
* Basic Unit Conversions
* The Multitester
* Resistance Reading
odometer and some terms in instrumentationBagja Tirta
The document discusses various measurement instruments and their characteristics. It defines an odometer as an instrument that measures distance traveled by vehicles. It also defines a tripmeter, which differs from an odometer in that it can be reset to measure individual trips or parts of a trip. It then lists and describes 14 different measurement instruments and their functions, including their accuracy, precision, range, resolution, and more. It provides photos of some of the instruments discussed.
odometer and some terms in istrumentationBagja Tirta
The document discusses various measurement instruments and their characteristics. It defines an odometer as an instrument that measures distance traveled by vehicles. It also defines a tripmeter, which differs from an odometer in that it can be reset to measure individual trips or parts of a trip. It then lists and describes 14 different measurement instruments and their functions, including thermocouples, RTDs, pressure transmitters, data loggers, valves, and analog-to-digital converters and digital-to-analog converters. It includes photos illustrating some of these instruments.
This document discusses units, standards, and definitions used in instrumentation. It covers the International System of Units (SI) which defines seven base units and two supplementary units. It also discusses analog and digital representations of data, common units like current and pressure used to transmit analog signals, conversions between analog and digital formats, and different types of control systems from simple on/off control to networked digital control and programmable logic controllers. Finally, it examines sensor time response and how the output of a sensor may lag behind rapid changes in its input due to its finite response time.
The document discusses instruments, sensors, and calibration. It defines instruments as tools used for scientific work or measuring devices. Sensors provide measurements to control systems and the most common types measure motion, temperature, fluid properties, and electromagnetic states. There are various instruments that transmit, indicate, record, or control sensor readings in a feedback control system. Errors in sensors include intrinsic filtering that limits response speed, cyclical errors from manufacturing variations, and random noise. Calibration is needed to characterize sensors and compensate for errors.
Similar to Question answer of mechanical measurement (20)
VARIABLE FREQUENCY DRIVE. VFDs are widely used in industrial applications for...PIMR BHOPAL
Variable frequency drive .A Variable Frequency Drive (VFD) is an electronic device used to control the speed and torque of an electric motor by varying the frequency and voltage of its power supply. VFDs are widely used in industrial applications for motor control, providing significant energy savings and precise motor operation.
Embedded machine learning-based road conditions and driving behavior monitoringIJECEIAES
Car accident rates have increased in recent years, resulting in losses in human lives, properties, and other financial costs. An embedded machine learning-based system is developed to address this critical issue. The system can monitor road conditions, detect driving patterns, and identify aggressive driving behaviors. The system is based on neural networks trained on a comprehensive dataset of driving events, driving styles, and road conditions. The system effectively detects potential risks and helps mitigate the frequency and impact of accidents. The primary goal is to ensure the safety of drivers and vehicles. Collecting data involved gathering information on three key road events: normal street and normal drive, speed bumps, circular yellow speed bumps, and three aggressive driving actions: sudden start, sudden stop, and sudden entry. The gathered data is processed and analyzed using a machine learning system designed for limited power and memory devices. The developed system resulted in 91.9% accuracy, 93.6% precision, and 92% recall. The achieved inference time on an Arduino Nano 33 BLE Sense with a 32-bit CPU running at 64 MHz is 34 ms and requires 2.6 kB peak RAM and 139.9 kB program flash memory, making it suitable for resource-constrained embedded systems.
Electric vehicle and photovoltaic advanced roles in enhancing the financial p...IJECEIAES
Climate change's impact on the planet forced the United Nations and governments to promote green energies and electric transportation. The deployments of photovoltaic (PV) and electric vehicle (EV) systems gained stronger momentum due to their numerous advantages over fossil fuel types. The advantages go beyond sustainability to reach financial support and stability. The work in this paper introduces the hybrid system between PV and EV to support industrial and commercial plants. This paper covers the theoretical framework of the proposed hybrid system including the required equation to complete the cost analysis when PV and EV are present. In addition, the proposed design diagram which sets the priorities and requirements of the system is presented. The proposed approach allows setup to advance their power stability, especially during power outages. The presented information supports researchers and plant owners to complete the necessary analysis while promoting the deployment of clean energy. The result of a case study that represents a dairy milk farmer supports the theoretical works and highlights its advanced benefits to existing plants. The short return on investment of the proposed approach supports the paper's novelty approach for the sustainable electrical system. In addition, the proposed system allows for an isolated power setup without the need for a transmission line which enhances the safety of the electrical network
Software Engineering and Project Management - Software Testing + Agile Method...Prakhyath Rai
Software Testing: A Strategic Approach to Software Testing, Strategic Issues, Test Strategies for Conventional Software, Test Strategies for Object -Oriented Software, Validation Testing, System Testing, The Art of Debugging.
Agile Methodology: Before Agile – Waterfall, Agile Development.
Design and optimization of ion propulsion dronebjmsejournal
Electric propulsion technology is widely used in many kinds of vehicles in recent years, and aircrafts are no exception. Technically, UAVs are electrically propelled but tend to produce a significant amount of noise and vibrations. Ion propulsion technology for drones is a potential solution to this problem. Ion propulsion technology is proven to be feasible in the earth’s atmosphere. The study presented in this article shows the design of EHD thrusters and power supply for ion propulsion drones along with performance optimization of high-voltage power supply for endurance in earth’s atmosphere.
1. Group – A (Answer all the questions)
a.
Define sensitivity in measuring system.
In the context of a measuring system, sensitivity refers to the system's ability to detect small changes in the quantity being measured. It essentially quantifies how responsive the
measuring system is to variations in the input.
Mathematically, sensitivity can be expressed as the ratio of the change in output to the corresponding change in input. For example, if a sensor measures temperature and a small
change in temperature causes a noticeable change in the sensor's output, the sensor is said to have high sensitivity.
b.
What are the stages of measuring system?
Here are the common stages of a measuring system:
1. Input Stage: This is where the quantity to be measured is introduced into the measuring system. It could be a physical parameter like temperature, pressure, or voltage.
2. Sensor or Transducer: This stage converts the input quantity into a suitable form for measurement. Sensors or transducers can take various forms depending on the type of
measurement being performed. Examples include thermocouples for temperature measurement, strain gauges for force measurement, and photodiodes for light intensity
measurement.
3. Signal Conditioning: In this stage, the signal from the sensor or transducer is conditioned to improve its quality for further processing. This may involve amplification, filtering,
linearization, or other signal processing techniques to enhance the accuracy and reliability of the measurement.
4. Data Acquisition: The conditioned signal is then acquired by a data acquisition system, which converts it into digital data that can be processed and analyzed by a computer or
other electronic devices. This stage may involve analog-to-digital conversion and data sampling.
5. Data Processing and Analysis: Once the data is acquired, it may undergo further processing and analysis to extract useful information or insights. This stage may involve
mathematical calculations, statistical analysis, or other algorithms depending on the requirements of the measurement.
6. Output Stage: Finally, the results of the measurement are presented to the user in a meaningful format. This could be a digital display, a graph, a chart, or any other form of
output that conveys the measured quantity and any relevant information derived from the measurement process.
c.
Define strain gauge and mention its types.
A strain gauge is a device used to measure the deformation or strain of an object. It works on the principle that the electrical resistance of certain materials changes when
subjected to mechanical strain. By attaching a strain gauge to a structure, the strain experienced by the structure can be measured by monitoring the changes in resistance.
There are several types of strain gauges, including:
1. Wire Strain Gauge:
2. Metal Foil Strain Gauge:
3. Semiconductor Strain Gauge
4. Bonded vs. Unbonded:
d.
Differentiate between analog and digital
Transducers.
e. State the difference between allowance and tolerance.
f. Write different static characteristics of a measuring instrument.
Group-B (Answer any one bit from each Question)
Q. No. Questions
2.
a. Differentiate between precision and accuracy with neat diagrams.
b.
Explain line, end and wavelength
Standards of measurement systems.
3.
a.
Differentiate the variable reluctance
Transducers and capacitive transducers.
b. Explain the ballast circuit used for strain measurement.
4. a.
Describe the flow measurement using
Venturimeter.
2. b. Explain the working of a Bourdon tube pressure gauge with a neat sketch.