Vijayananda Mohire led a project to design a digital energy meter to address limitations in electro-mechanical meters. The project involved analyzing electro-mechanical meters, designing hardware modules for voltage, current and power factor processing, developing software using assembly language, and testing the working prototype. Mohire guided the team through technical and implementation challenges to successfully complete and demonstrate the project.
Patient Health Monitoring System Using Arduino & ESP8266Rishav Pandey
Sometimes it happens when patients struggles to find hospital beds but due to high number of covid patients they are forced to stay at home and aren't monitored by any doctor. This Health Monitoring System designed with the help of Arduino UNO board and ESP8266 wifi microchip helps the doctor to monitor the patient remotely (connected via an IoT based platform ThingSpeak). ESP8266 wi-fi microchip is used to provide internet connectivity to our project (or we can connect our project to any wifi using same). The system consists of a pulse sensor and and an LM35 temperature sensor which measures the patient's heart beats per minute and body temperature respectively. The Arduino reads the sensor data, converts them into string, passes them to the IoT platform (ThingSpeak) and also displays the BPM and body temperature on LCD display.
In this way a doctor can remotely monitor the patients and take appropriate actions when required.
Patient Health Monitoring System Using Arduino & ESP8266Rishav Pandey
Sometimes it happens when patients struggles to find hospital beds but due to high number of covid patients they are forced to stay at home and aren't monitored by any doctor. This Health Monitoring System designed with the help of Arduino UNO board and ESP8266 wifi microchip helps the doctor to monitor the patient remotely (connected via an IoT based platform ThingSpeak). ESP8266 wi-fi microchip is used to provide internet connectivity to our project (or we can connect our project to any wifi using same). The system consists of a pulse sensor and and an LM35 temperature sensor which measures the patient's heart beats per minute and body temperature respectively. The Arduino reads the sensor data, converts them into string, passes them to the IoT platform (ThingSpeak) and also displays the BPM and body temperature on LCD display.
In this way a doctor can remotely monitor the patients and take appropriate actions when required.
A project report on energy meter monitoring online using wireless transmissio...Robo India
ROBO INDIA presents A project report on Energy Meter monitoring online using wireless Transmission using GSM Modem.
The project reads data from energy meter and uploads it to the server. And we have developed an application that can be accessed through URL that display the data. Thus it is an online mode of data logging and data monitoring.
We welcome all of your views and queries. We are found at
website- http://roboindia.com
mail- info@roboindia.com
Internet of things is the coming together of internet and physical devices in a network of unlimited possibilities using microcontrollers. IOT allows for physical devices to wireless communicate over networks which has led to a growing number of applications for IOT devices.
Speed Control Of DC motor By Using PWM TechniqueRITESH D. PATIL
Generally the pwm is the duty cycle which greater control on the dc motor effectively & the pulses reach the full supply voltage and will produce more torque in a motor by being able to overcome the internal motor resistances more easily.
What is electronics?
Electronics is the science of how to control electric energy, which the electrons have a fundamental role.
This presentation gives a brief explanation about what is electronics and each of the part of the electronic components.
Vehicle to grid ( V2G) technology ca n be defined as a system in which there is a capabilty to control, bi-directional flow of electric energy between a vehicle and the electrical grid. The integration of electric vehicles into the power grid is called the vehicle-to-grid system.
SEE MORE: https://goo.gl/DZvJcc
Prepaid energy meter using GSM is used to record consumed units and send an alert to user via GSM. It is used to reduce power theft in commercial areas.
ENERGY MANAGEMENT TECHNOLOGY TO REDUCE POWER WASTAGE
Energy monitoring system technique tracks 24/7 real-time energy consumption data so that building power consumption can be managed proficiently. IAM - SMART INTEGRA PANEL is a energy management system software. This is an efficient way to indicates Irregular spikes in energy consumption can be identified and controlled.
In this session you will learn:
Programmable Logic Controller(PLC)
Types of PLC’s
PLC architecture
Scan cycles
Scan patterns
PLC programming
Ladder diagram programming
Latch and Unlatch
DCS architecture
For more information, visit: https://www.mindsmapped.com/courses/industrial-automation/complete-training-on-industrial-automation-for-beginners/
GSM BASED PREPAID ENERGY METER BILLING VIA SMSSRINIVAS REDDY
The project is designed for reading electrical energy consumed in units and in rupees to display on an LCD screen to the user. This data is also provided to the electrical department using GSM technology for billing purposes. Owing to high electricity cost these days it becomes necessary for the consumer to know as to how much electricity is consumed to control electricity bill within his budget by recharging the energy meter units via S.M.S .
Finally when the energy meter coming to zero user can again recharge according to the purpose used. In this proposed system, the consumer will get his energy consumption data on real time basis on a LCD display. The same data is sent through GSM modem to the electricity department via SMS. A microcontroller of 8051 family is interfaced to the energy meter to get the Watt Hour pulses.
Further this project can be enhanced by to control the electrical appliances remotely via SMS. Also, the electricity department can send the monthly bill amount over SMS to the receiving unit for consumer information.
A project report on energy meter monitoring online using wireless transmissio...Robo India
ROBO INDIA presents A project report on Energy Meter monitoring online using wireless Transmission using GSM Modem.
The project reads data from energy meter and uploads it to the server. And we have developed an application that can be accessed through URL that display the data. Thus it is an online mode of data logging and data monitoring.
We welcome all of your views and queries. We are found at
website- http://roboindia.com
mail- info@roboindia.com
Internet of things is the coming together of internet and physical devices in a network of unlimited possibilities using microcontrollers. IOT allows for physical devices to wireless communicate over networks which has led to a growing number of applications for IOT devices.
Speed Control Of DC motor By Using PWM TechniqueRITESH D. PATIL
Generally the pwm is the duty cycle which greater control on the dc motor effectively & the pulses reach the full supply voltage and will produce more torque in a motor by being able to overcome the internal motor resistances more easily.
What is electronics?
Electronics is the science of how to control electric energy, which the electrons have a fundamental role.
This presentation gives a brief explanation about what is electronics and each of the part of the electronic components.
Vehicle to grid ( V2G) technology ca n be defined as a system in which there is a capabilty to control, bi-directional flow of electric energy between a vehicle and the electrical grid. The integration of electric vehicles into the power grid is called the vehicle-to-grid system.
SEE MORE: https://goo.gl/DZvJcc
Prepaid energy meter using GSM is used to record consumed units and send an alert to user via GSM. It is used to reduce power theft in commercial areas.
ENERGY MANAGEMENT TECHNOLOGY TO REDUCE POWER WASTAGE
Energy monitoring system technique tracks 24/7 real-time energy consumption data so that building power consumption can be managed proficiently. IAM - SMART INTEGRA PANEL is a energy management system software. This is an efficient way to indicates Irregular spikes in energy consumption can be identified and controlled.
In this session you will learn:
Programmable Logic Controller(PLC)
Types of PLC’s
PLC architecture
Scan cycles
Scan patterns
PLC programming
Ladder diagram programming
Latch and Unlatch
DCS architecture
For more information, visit: https://www.mindsmapped.com/courses/industrial-automation/complete-training-on-industrial-automation-for-beginners/
GSM BASED PREPAID ENERGY METER BILLING VIA SMSSRINIVAS REDDY
The project is designed for reading electrical energy consumed in units and in rupees to display on an LCD screen to the user. This data is also provided to the electrical department using GSM technology for billing purposes. Owing to high electricity cost these days it becomes necessary for the consumer to know as to how much electricity is consumed to control electricity bill within his budget by recharging the energy meter units via S.M.S .
Finally when the energy meter coming to zero user can again recharge according to the purpose used. In this proposed system, the consumer will get his energy consumption data on real time basis on a LCD display. The same data is sent through GSM modem to the electricity department via SMS. A microcontroller of 8051 family is interfaced to the energy meter to get the Watt Hour pulses.
Further this project can be enhanced by to control the electrical appliances remotely via SMS. Also, the electricity department can send the monthly bill amount over SMS to the receiving unit for consumer information.
A smart meter:
Is an electronic device that records consumption of electric energy in intervals of an hour or less and communicates that information at least daily back to the utility for monitoring
The vital importance of this lesson is that it will allow you to acquire a basic level of appreciation and knowledge of the techniques used by the utility company to measure the amount of energy used within the household. After this presentation, you should be able to read your own meter to calculate your energy bill.
Top 10 metering interview questions with answersharrisaimee4
In this file, you can ref interview materials for metering such as, metering situational interview, metering behavioral interview, metering phone interview, metering interview thank you letter, metering interview tips …
Smart Meter's are a part of Smart Grid,which display the consumption of electricity to end use customer as well as communicate to the utility side for demand side management.
Top 10 metering engineer interview questions and answerslorenzospears19
In this file, you can ref interview materials for metering engineer such as types of interview questions, metering engineer situational interview, metering engineer behavioral interview…
Automatic Power Factor Detection And Correction using ArduinoSouvik Dutta
Automatic Power Factor Detection And Correction using Arduino as pername sujjest makes a Arduino based project detecting power factor of running loads in a system and correcting them .It can display running power factor on its lcd screen and compensated value of power factor .capacitors bank used to minimize power factor deflection from unity s most of the loads are inductive.
Ketan Kothari
This project is a special kind of circular LED display. With the help some mechanical assembly, LED count, hardware requirement, and hence overall cost is cut to very affordable price. Also, maintenance and repairing of the display is so easy, that anyone having a little electronics knowledge, can take care of this. All the synchronizing can be implemented through software.
First of its kind, made using the 20 pin dip AT mega 16 series microcontroller, this project use the principle of Space Multiplexing. This propeller display is mechanically scanned and displays the characters in digital format. Made from scrap it can be used anywhere and everywhere and the most amazing fact about this display is its crystal clear display. This display consists of just 8 bright LEDs which are rotated to show the display.
This system eliminates the need for any driver. Whenever the train arrives at the station it stops automatically. Then the door opens automatically so that the passengers can go inside the train and the door closes after a prescribed time. It counts and displays the number of passengers present in the train.
NexGen Solutions for cloud platforms, powered by GenQAIVijayananda Mohire
This is our next generation solutions powered by emerging technologies like AI, quantum computing, Blockchain, quantum cryptography etc. We have various offers that can help improved productivity, help automate and improve ease of doing business. We offer cloud based solutions and have a Hub to interface major cloud platforms.
This is our project work at our startup for Data Science. This is part of our internal training and focused on data management for AI, ML and Generative AI apps
This is our contributions to the Data Science projects, as developed in our startup. These are part of partner trainings and in-house design and development and testing of the course material and concepts in Data Science and Engineering. It covers Data ingestion, data wrangling, feature engineering, data analysis, data storage, data extraction, querying data, formatting and visualizing data for various dashboards.Data is prepared for accurate ML model predictions and Generative AI apps
Considering the need and demand for high quality digital platforms that can help clients to get the most of the newer technology, we have proposed an IT Hub that allows for rapid on boarding of clients to various modules on a need basis, allowing them to subscribe to modules they need only. We have various modules.
This document offers a high level overview of our IT Hub that offers various modules allowing for clients to onboard faster and get the benefits of a large set of vendor products, tools, IDE related to AI, Quantum and Generative AI technologies.
This is my hands-on projects in quantum technologies. These are few of the key projects that I worked with that demonstrates my skills in using various concepts, tools, IDE and deriving the solutions by using quantum principles like superposition, and entanglement along with quantum circuits in realizing the concepts
This is my journey taken from year 2012 on wards, after graduation in my MS with major in AI. I have taken various certification courses, trainings, hands-on labs; few key ones are from Google, and Microsoft.
Agricultural and allied industries play a vital role in the progress of a nation and sustainable economic growth. Farmers play a vital role in this progress. Their hard work and efforts need to be praised and possibly offer them various tools and digital assets that can automate some of their various repetitive tasks such as back office operations, crop monitoring, and post-harvesting routines that might divert the attention of farmers from their core job.
We, at Bhadale IT have developed various products and services that are revolutionary and can offer effective solutions with our industrial partnerships with digital technology leaders like Intel and Microsoft. We have drafted this solution brief to illustrate our products and service offerings for the agricultural industry. We can tailor make highly customized solutions to meet individual project and farmer needs that can include use of various technologies like artificial intelligence, machine learning, data science and related machinery like drones and geo-spatial datasets and various information that can offer precise farming techniques and use of technology in improving production, improvised use of fertilizers, organic farming and reduced crop loss due to rodents, insects and regional diseases.
The focus of this solution is for farmers to adopt and migrate to digital cloud platform to Microsoft Azure that can boost quality and quantity of crop production and improve their supply chain and offer faster and mature downstream business operations.
This is our cloud offerings based on our partnership and relationship with Intel and Microsoft. We offer highly optimized Intel motherboards, memory, and software stack that is best suited for Azure cloud platform and can handle various types of models (IaaS, PaaS, SaaS) and Azure workloads in the public or private cloud.
Explore the fundamentals of GitHub Copilot and its potential to enhance productivity and foster innovation for both individual developers and businesses. Discover how to implement it within your organization and unleash its power for your own projects.
In this learning path, you'll:
Gain a comprehensive understanding of the distinctions between GitHub Copilot for Individuals, GitHub Copilot for Business, and GitHub Copilot X.
Explore various use cases for GitHub Copilot for Business, including real-life examples showcasing how customers have leveraged it to boost their productivity.
Receive step-by-step instructions on enabling GitHub Copilot for Individuals and GitHub Copilot for Business, ensuring a seamless integration into your workflows.
Practical ChatGPT From Use Cases to Prompt Engineering & Ethical ImplicationsVijayananda Mohire
This journey provides learners with a thorough exploration of ChatGPT, starting with an introduction to large language models and their capabilities, the series progresses through practical applications, advanced techniques, industry impacts, and important ethical considerations. Each course aims to equip learners with an in-depth understanding of the model, its functionality, and its wide-ranging applications.
Red Hat Enterprise Linux (RHEL) and Hybrid Cloud Infrastructure. Products that are developed for multi-cloud hybrid platform enabling seamless integration and portability of workloads across Red Hat and partner Infrastructure, public and private clouds.
Learners will be exposed to the foundations of Red Hat, Red Hat Enterprise Linux (RHEL) portfolio including Hybrid Cloud Infrastructure, how to identify target customers, distinguish Red Hat solutions from the competition, review key use cases, align to the sales conversation framework for positioning the solutions, and much more!
Upon completing this learning path, learners will receive the Red Hat Sales Specialist - Red Hat Enterprise Linux accreditation and be prepared to advance to the Red Hat Sales Specialist - Red Hat Enterprise Linux II learning path
This is my annual learning at Red Hat related to accreditation and courses at Red Hat partner training portal.
Learners will be exposed to the foundations of Red Hat, Red Hat Enterprise Linux (RHEL) portfolio including Hybrid Cloud Infrastructure, how to identify target customers, distinguish Red Hat solutions from the competition, review key use cases, align to the sales conversation framework for positioning the solutions, and much more!
Generative AI is a cutting-edge technology that will transform nearly every business function, ranging from content creation and product design, to improving customer experience and marketing new ideas. While the benefits of Generative AI are immense, the technology has its limitations and poses some ethical considerations. In this Journey, learners of all levels will develop a shared understanding of what Generative AI is, the guardrails for use and identify of how to use, build and experiment with the technology in a responsible manner. Learners will also develop skills for leading through this disruption with empathy, while cultivating the human skills to sustain the transformation
1. CAREER EPISODE 1 –
DIGITAL ENERGY METER
SUBMITTED TO:
ENGINEERS AUSTRALIA
PREPARED BY:
VIJAYANANDA D MOHIRE
Bachelor of Engineering (Electronics and Communication)
1
2. CE 1. 1 INTRODUCTION .................................................................................... 5
CE 1.1.1 PROJECT DURATION...................................................................... 5
CE 1.1.2 PROJECT LOCATION ...................................................................... 5
CE 1.1.3 NAME OF ORGANISATION ........................................................... 5
CE 1.1.4 MY ROLE............................................................................................ 5
CE 1.2 BACKGROUND ........................................................................................ 6
CE 1.2.1 AIMS & OBJECTIVES OF THE PROJECT ..................................... 6
CE 1.2.2 METHODOLOGY ............................................................................. 7
CE 1.3 PERSONAL ENGINEERING ACTIVITIES............................................ 7
CE 1.3.1 ANALYSIS OF ELECTROMECHNICAL METER.......................... 7
CE 1.3.2 DESIGN AND DEVELOP HARDWARE ........................................ 9
CE 1.3.2.1 DESIGN OF VOLTAGE PROCESSING MODULE: ............. 10
CE 1.3.2.2 DESIGN OF CURRENT PROCESSING MODULE: ............. 10
CE 1.3.2.3 DESIGN OF POWER FACTOR PROCESSING MODULE:. 11
CE 1.3.3 DESIGN AND DEVELOP SOFTWARE ........................................ 11
CE 1.3.4 MY TECHNIQUES AND STRATEGIES ....................................... 13
CE 1.4 SUMMARY ............................................................................................. 14
2
3. Document control
Distribution list
NAME ROLE REPRESENTING
Engineers Australia
Amendment record
VERSION DATE STATUS COMMENT
0.1 02-May-09 Draft Prepared by Vijayananda
D Mohire
Document statistics
VERSION NUMBER OF PAGES NUMBER OF WORDS NUMBER OF LINES
0.1 14 2,089 388
Disclaimer:
The technical material contained in this document is provided for information
purpose only and the author does not guarantee implicitly or explicitly the
accuracy of the information provided. However, best effort has been made to
provide accurate information. Logos, trademarks and brand names, if any, used in
this document are exclusive property of their respective owners.
3
4. Declaration:
‘All statements of fact in this report are true and correct and I have made claims of
acquired competencies in good faith.
The report is all my own work and is a true representation of my personal
competence in written English. I confirm that I understand that members of the
engineering team in Australia are required to display a commitment to exercising
professional and ethical responsibility in all aspects of their work.
I also understand that documentation submitted in support of my application may
be referred to the Department of Immigration and Citizenship (DIAC) for integrity
checking.’
Printed Name:
Signature:
Date:
4
5. CAREER EPISODE 1
DIGITAL ENERGY METER
CE 1. 1 INTRODUCTION
CE 1.1.1 PROJECT DURATION
The project started in April 1994 and was completed by July 1994. This
was part of my project work that is a pre requisite for completing my
Degree.
CE 1.1.2 PROJECT LOCATION
The project was carried out in College campus. The campus is located in
Aiwan-E Shahi area, Gulbarga, Karnataka state, India.
CE 1.1.3 NAME OF ORGANISATION
I was an Engineering student at Poojya Dodappa Appa (P.D.A) college of
Engineering, which is an autonomous college, funded by Central
Government. It is located in Gulbarga city, Karnataka state, India
CE 1.1.4 MY ROLE
I was Project Lead for this project for a team of 5 members. I reported to
Head of Department, who was also our guide for this project.
5
6. CE 1.2 BACKGROUND
I am placed in
this hierarchy
as Lead for this
project
Figure 1: Organizational chart
CE 1.2.1 AIMS & OBJECTIVES OF THE PROJECT
To demonstrate the shortfalls of Electromechanical energy meter
using mathematical formulas.
To measure accurately the energy consumed using Electrical
standards and formulas
To generate accurate meter readings based on precise mathematical
computations upto desired fractions and decimals
To generate in time bills and reports based on billing intervals and
displayed in user understandable format
To demonstrate basic electronic circuit assembly and use of
Microprocessor chipsets
Demonstrate the use of electronics in utility and practical application
to Industry
To have a modular production unit that has easily replaceable
components
To provide auto trip and glowing of RED LED mechanism in case of
faulty operations or abnormal limits
To have a cost effective replacement for Electromechanical energy
meters
6
7. To reduce power consumption by meters by using Electronic
components instead of Electromechanical components
Reduced maintenance costs and increased reliability
CE 1.2.2 METHODOLOGY
Review of the Electromechnical energy meter and identify the
issues in coordination with Electrical and Mechanical Engineering
departments
Suggest a viable Microprocessor based solution by doing study
using IEEE standards and Industry grade electronic components
like Chip set, Display units, Capacitors, Resistors, Power
transformers etc.
Define the Blue print of the solution for Hardware and Software to
be used.
Develop the Software – here it is programming the Intel 8085 chip
using assembly language
Develop the Hardware- Fabricate the mother board using printed
circuit board, selected chips and devices – here it is assembly of
8085 chip set with Analog to Digital converter( ADC 0809),
Operational amplifier ( µA 741) , rectifiers, Potentiometers,
multivibrators( Monoshot - IC 74121)
Deploy the software onto the 8085 chipset
Unit and integration test using multimeter and oscilloscope to
confirm the voltage levels and phase factors in the Input power
Run the tested project and tabulate the results
Validate the results against the expected standards
Rectify any issues and rerun the project
Demonstrate the working project to guide and external reviewer
Obtain the necessary credentials for successful completion of the
project
Handover the project documentation and project assets to
department
CE 1.3 PERSONAL ENGINEERING ACTIVITIES
CE 1.3.1 ANALYSIS OF ELECTROMECHNICAL METER
7
8. Figure 2: Electro mechanical energy meter
The energy meter consists of two A.C electro- magnets as shown in fig 1.
One is M1 is excited by line current, known as Series magnet. Alternating
flux Φ1 produced by M1 is proportional and in phase with supply line
current. Other magnet called Shunt magnet M2 is connected across supply
voltage V and produces flux Φ2. Φ2 is proportional to line voltage and
lags behind it by 90ο. This phase lag is achieved by adjusting the copper
shading, C (power factor compensator). The two fluxes induce Electro-
Magnetic Field (E.M.F) in the rotating disc and produce an eddy current
that is converted to mechanical energy called as torque. In a given period
of time the total number of revolutions is proportional to electric energy
consumed.
Limitations in Induction wattmeter:
1. As the two coils have same resistance, shunt field does not lag
behind supply voltage by exactly 90ο. So torque is not zero at zero
power factor. To compensate the power factor compensator coil
needs to be adjusted at regular intervals to maintain accuracy.
8
9. 2. Frictional forces at the rotor bearings give rise to a braking torque
on the rotor disc. Due to this disc rotates slowly even at no load,
which is called as creeping.
3. Pressure coil possesses capacitance in addition to inductance. This
produces high readings on lagging power factor on the load.
4. Eddy currents which act as anti fields alter the magnitude and
phase of the desired current coil.
5. Temperature induced changes also add to more deviations.
These issues are addressed in the project developed as Digital Energy
meter.
CE 1.3.2 DESIGN AND DEVELOP HARDWARE
Figure 3: PCB layout design
Figure 3 provides one circuit board design used for holding the power
transformers and Peripheral interface chip. Details of the components
used for this PCB described in below sections.
General Electrical theory used:
Electrical energy is the total power delivered over a specific time interval.
W = VI Cos Ø dt
Where,
9
10. V= Voltage, I = Current, Ø = Phase angle between V and I
The power is then digitized using electronics and stored in memory of
Microprocessor over a period interval of time. Suitable computation is
managed by the Software module based on the voltage and current
measured at particular instance of time.
Figure 4: Basic modules of the Digital Energy meter
CE 1.3.2.1 DESIGN OF VOLTAGE PROCESSING MODULE:
With reference to Figure 4 the voltage processing module has been
developed as described below.
Supply voltage can be measured by stepping down to a low value using a
voltage power transformer and is then rectified using full wave bridge to
remove any ripples. This is further attenuated using potentiometer and
amplified to suit the signal requirements to 8085 chip. This is then
converted to digital counter using Analog to Digital Converter (ADC)
CE 1.3.2.2 DESIGN OF CURRENT PROCESSING MODULE:
With reference to Figure 4 the current processing module has been
developed as described below.
10
11. To measure the load current a current power transformer is used to step
down in ratio of 12: 5. To make this suitable for further processing suitable
resistor is used to convert the current to voltage equivalent. This provides
the simulated voltage equivalent of the current.
CE 1.3.2.3 DESIGN OF POWER FACTOR PROCESSING MODULE:
With reference to Figure 4 the power factor processing module has been
developed as described below.
The power factor can be measured by measuring the angle between the
voltage and current and finding the cosine of the angle. This is done using
zero crossing detectors. Suitable lookup table in software module is used
to obtain the right cosine of the measured angle.
CE 1.3.3 DESIGN AND DEVELOP SOFTWARE
Software is basically to store the digitized values of the respective Voltage,
Current and Phase in particular memory areas.
Suitable registers are used and assembly language is used to provide the
necessary computations.
Typical registers, interrupt subroutines are used to obtain the V and I
values and the equivalent Hex values are stored. Computed power is
aggregated as per the provided time interval and the sum is displayed.
One typical flow chart used in the project is shown in Figure 5.
11
12. Figure 5: Flow chart demonstrating use of registers for KwHr subroutine
I used assembly language for the project and the sample steps are shown
in figure 5. One code snippet I wrote is as below:
UP1 LXISP 1FE0
LXIH, 0000
LXIB, 0000
LXID, 0000
EI
MVI A, 02
SIM
UP CALL ‘KEY DEBOUNCE’
CALL ‘Ø’ SUB
CALL ‘V’ SUB
12
13. CALL ‘I’ SUB
CALL ‘MULTIPLY SUB’
MOV M, A
PUSH H
CALL ‘KWHR SUB’
CPI 99
JNZ UP
JMP UP1
Above code shows the main routine calling other routines and obtaining
and storing results in the registers.
CE 1.3.4 MY TECHNIQUES AND STRATEGIES
1. Technical contribution: I had to study IEEE guides, analyze the
current trends in Energy devices. I had to go through a dozen
books from library and get the technical requirements of the
needed chips and electronic components, their make and
specifications.
2. Group involvement: Being responsible for overall success of the
project I had to interact with Electrical and Mechanical department
Heads and get the guidance and validation of the methodology
used in arriving at accurate limitations in Electro Mechanical
systems.
3. Knowledge sharing: I was involved in brainstorm sessions and had
team involved in getting the best of each member. One example is
working on the Microprocessor pins that needed good theoretical
understanding of the chip pins and their significance.
4. Challenges faced: I had to persuade team to carry on experimenting
and not to give up at any stage. I did face challenges in the project
like at times I had to debug and find the root cause of non
availability of outputs and no show of results during the trial runs.
Also I had to re-etch the PCB and burn the EEPROM.
5. Reporting to Guide: I had been assigned to interact with guide and
convey the recommendations to team. I did get expert guidance
from our college staff especially the lab staff who were cooperative
while we overstretched
13
14. 6. Guiding team: I had to guide the team in certain areas like use of
Printed circuit board design software. I had to spend few extra
hours to learn it.
7. Time and cost management: I used the team funds reasonably and
avoided costly remakes and purchases of chips like Processor chip.
I had to finish the project in time and I did the planning and micro
planning to retain the project on the right track. We did have an
incident where a team member had overused the components and
we had to share and pay for the excess bills we got.
8. Presentation in report format: I had to personally sit with the team
and content writers to bring up the text, images and special
symbols used in science formulas like Beta, Theta etc. I had to use
Word processors and Engineering drawing materials to come up
with good images
9. Demo to other teams: I had to practice internally and practice
delivering a product demo to review team and external teams. I
had to learn ways of presentation in limited time period.
CE 1.4 SUMMARY
My responsibility of design and implementation of the Digital energy
meter was completed successfully. This provided me the confidence to
face the real world and provide suitable design and solution to real world
problems using Electronics.
14