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Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals
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Biomedical Wearable Device For Remote Monitoring Ofphysiological Signals

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  • 1. A BIOMEDICAL WEARABLE DEVICE FOR REMOTE MONITORING OF PHYSIOLOGICAL SIGNALS
  • 2. College Name
  • 3. HODs Name
  • 4. Students Name
  • 5. A BIOMEDICAL WEARABLE DEVICE FOR REMOTE MONITORING OF PHYSIOLOGICAL SIGNALS Using MICROCONTROLLER
  • 6. Early diagnosis as well as a healthy and preventive lifestyle can help slowing the onset of many health problems and save millions of lives per year. To achieve this objective, long-term monitoring of human vital signs are required to obtain knowledge on a person's health status. Continuous monitoring of vital signs is mandatory. Clothing is like a second skin to us: intelligent biomedical clothes may make everyday life easier for people in poor health, helping them to lead productive lives, senior citizens and also for athletes. Clothing means fashion and fun: smart clothes will combine health problem prevention, entertainment, comfort, convenience and communication with fashion This paper presents essential issues in wearable electronics, including interface with the garment, signal sensing, on-body diagnosis and on-body and communication Developments in telecommunication, information technology and computers are the main technical tools for Telemedicine (Telecare, Telehealth, e-health) now being introduced in health care.
  • 7. Telemedicine - medicine at a distance - provides among the many possibilities offered the tools for doctors to more easily consult each other. For individuals, e.g. with chronic diseases, Telemedicine means the possibility to stay in contact with their health care provider for medical advice or even to be alerted if something begins to go wrong with their health. This opens up new possibilities for personalised health and health care. In line with this, ongoing cutting edge research in fields such as textiles, biomedical sensors and mobile communication could pave the way to a better life for a large number of patients. To bring these disciplines together and try to reach a critical mass for Research and Development (R&D), the first workshop on Intelligent Biomedical Clothing (IBC) was organised in Brussels by the European Commission (EC), Information Society Technologies Programme (IST), on 26 April 2002.
  • 8. Intelligent biomedical clothing and textiles have the potential to substantially change the provision of health and health care services for large population groups, e.g. those suffering from chronic diseases (such as cardiovascular, diabetes, respiratory and neurological disorders) and the elderly with specific needs. Smart sensor systems and new approaches to analyse and interpret data together with cost-effective telematics approaches can fundamentally change the interface between citizen/patient and the health care provider.
  • 9. Biomedical clothing and functional textiles were believed in the workshop to be a key enabler technology for cost-effective disease management as well as for prevention. Fitness and health are trendy and are becoming a life style. Biomedical fashion (rather than clothes) offers a unique opportunity to seamlessly integrate health care into the daily lives of citizens. The first category includes clothes that can be relatively cumbersome and heavy. For the second one, the clothes should be easy to wear, elegant, light, etc. This evolution naturally follows the transition from the "retrofit" approach to the fully "integrated" approach The first one has to do with the intelligent retrofit of existing tools and sensors on regular clothes. This gives, even today, prototypes that can shortly become products. This is a short to medium term approach. The second approach is the medium to long term and has to do with the full integration of sensors/actuators, energy sources, processing and communication within the clothes.
  • 10. ABOUT THE PROJECT The Scope of this Project is to develop a Hi end technology oriented system, which constantly monitors the health status of a person and if any abnormalities found, the data will be immediately transferred to the nearest location and the appropriate action can be taken The Project is a working model, which incorporates the following sensors, which was networked called as ‘Embedded Biomedical Sensors Network’ – ECG Sensor, Heart Beat Sensor, Body Temperature and Respiratory Temperature. We will have a Coat, which is called as Biomedical Wearable Coat, which will have the sensor network of ECG Sensor for ECG Monitoring, Heart Beat Sensor for Heart / Pulse rate Monitoring, Body Temperature Monitoring and Respiratory Temperature, fixed in the Coat and easy wearable and operated through 9V Battery
  • 11. Project Consists Microcontroller Board Interface Circuit Sensors & Transducers Signal Conditioning Board Alarm RF Transmitter RF Receiver 9v Battery for Power Source
  • 12. HEART BEAT RATE & MONITORING Heart rate is a term used to describe the frequency of the cardiac cycle. It is considered one of the four vital signs. Usually it is calculated as the number of contractions (heart beats) of the heart in one minute and expressed as "beats per minute" (bpm). When resting, the adult human heart beats at about 70 bpm (males) and 75 bpm (females), but this rate varies among people. However, the reference range is nominally between 60 bpm (if less termed bradycardia) and 100 bpm (if greater, termed tachycardia). The pulse rate (which in most people is identical to the heart rate) can be measured at any point on the body where an artery is close to the surface, such places like wrist & finger
  • 13. ECG MONITORING A recording of the electrical activity of the heart. A painless test during which electrodes are placed on the chest to monitor and record the electrical impulses that causes the heart to beat. By examining the pattern of impulses, a doctor can diagnose rhythm abnormalities such as atrial fibrillation or other heart problems, such as heart attack We will use 3 Op AMP circuits and take three different data readings, which will display 3 different signals. Once these signals are displayed in a screen Parameters Intervals - PQ, PR, QRS, QT, RT, ST, RR Amplitudes - P, Q, R, S, T waves Other Parameters - # Abnormals, # Normals, QTD (QT dispersion), HR (Heart Rate) Three Electrode System RA, LA, and LL, for bipolar leads 1,2,3, one pair is selected for monitoring and the other one is used as a ground. For augmented leads avR, avL, avF, one is exploring lead and the other two are connected to Zero potential. Rate – 60 to 100 per minute, with less than 10% variation
  • 14. BODY TEMPERATURE Body temperature is a measure of the body's ability to generate and get rid of heat. The body is very good at keeping its temperature within a narrow, safe range in spite of large variations in temperatures outside the body A normal body temperature is usually referred to as an oral temperature of 98.6 °F (37 °C), but that is an average of normal body temperatures Thermistor is used for the measurement of body temperature. This thermistor is a passive transducer where output depends on the excitation voltage applied to it. We have arranged the thermistor in the form of potential driver in the circuit.
  • 15. SOFTWARE • WINDOWS OS. • MPLAB / PICC • EMBEDDED VISUAL BASIC
  • 16. MODULES • ATMEL MICROCONTROLLER BOARD DESIGN. • SIGNAL CONDITIONING BOARD. • RELAY DRIVER CIRCUIT. • MAX 232 SERIAL INTERFACE.
  • 17. ADVANTAGES OF THE SYSTEM Very user-friendly Cost-effective solution Easy to handle Anybody can understand the parameters easily
  • 18. FUTURE IMPLEMENTATION
  • 19. INTRODUCTION EMBEDDED SYSTEM is a combination of Software and Hardware. These are processors, arrays or other hardware using dedicated (embedded) logic or programming (code) called “firmware” or a “microkernel An Embedded system is a system, that has a computing device embedded into it. Embedded systems are designed around a C which integrates memory & peripherals.
  • 20. CHARACTERISTICS OF EMBEDDED SYSTEMS • Sophisticated functionality • Real-time operation • Low manufacturing cost • Low power Consumption • Smarter Products and Smaller Sizes • Built in Rich Features • Less Down Time for Maintenance
  • 21. EMBEDDED SYSTEMS MICROCONTROLLERS • Microcontroller is a highly integrated chip that contains all the components comprising a controller. • Typically, this includes a CPU, RAM, some form of ROM, I/O ports, and timers. A Microcontroller is designed for a very specific task – to control a particular system. • As a result, the parts can be simplified and reduced, which cuts down on production costs
  • 22. BENEFITS OF EMBEDDED CONTROL DESIGN • Eliminates necessity of complex circuitry • Smarter products • Smaller size • Lower cost • User friendly • State of the art technology
  • 23. EMBEDDED SYSTEMS The Hardware and the Software to control the hardware is present in the same system. Such a system is called Embedded System. Eg. Washing Machine Control, Missile Launching System etc. Difference between Microprocessors and Microcontrollers MICROPROCEESOR MICROCONTROLLER 1. No memory Got Separate ROM and RAM 2. No I/O Ports In built Ports Available 3. No Timers Internal Timers Available 4. No Serial Port In built Serial Port for Serial Communication 5. Von Neumann Architecture Harvard Architecture
  • 24. INPUT DEVICE OUTPUT DEVICE MC I/P DEVICE MC O/P DEVICE PORT PORT
  • 25. MICROCONTROLLER PIC 16F877
  • 26. MICROCHIP SERIES – PIC 16F877 BASIC FEATURES: Operating speed: DC - 20 MHz clock input Up to 8K x 14 words of FLASH Program Memory Up to 368 x 8 bytes of Data Memory (RAM) Up to 256 x 8 bytes of EEPROM Data Memory 5 Input / Output Ports – 33 Pins Interrupt capability (up to 14 sources) Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation In-Circuit Debugging via two pins
  • 27. BASIC FEATURES contd… Timer0: 8-bit timer/counter with 8-bit pre scaler Timer1: 16-bit timer/counter with prescaler Timer2: 8-bit timer/counter with 8-bit period register, pre scaler and post scaler Two Capture, Compare, PWM modules 10-bit multi-channel Analog-to-Digital converter Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI) with 9-bit address detection
  • 28. INPUT - OUTPUT PORTS There are 5 I/O Ports available in PIC. They are PORT A = = => 6 PINS PORT B = = => 8 PINS PORT C = = => 8 PINS PORT D = = => 8 PINS PORT E = = => 3 PINS TOTAL = = => 33 PINS
  • 29. INITIALIZATION OF PORTS The I/O ports are initialized as follows: TRIS <> 0 => OUTPUT PORT name 1 = > INPUT For Example to initialize PORTD as output means TRISD = 0x00; and as input means TRISD = 0xFF;
  • 30. OUT LINE OF AN EMBEDDED C PROGRAM #include<pic.h> /* Header File */ /* Global Variable Declaration */ /* Function Prototypes */ Void main(void) { while(1) { All the executable statements } } Functions if any…
  • 31. PIC16F877 28/40-PIN 8-BIT CMOS FLASH MICROCONTROLLERS MICROCONTROLLER CORE FEATURES § High performance RISC CPU § Only 35 single word instructions to learn § All single cycle instructions except for program branches which are two cycle § Operating speed: DC - 20 MHz clock input DC - 200 ns instruction cycle § Up to 8K x 14 words of FLASH Program Memory, Up to 368 x 8 bytes of Data Memory (RAM), Up to 256 x 8 bytes of EEPROM Data Memory § Pinout compatible to the PIC16C73B/74B/76/77 § Interrupt capability (up to 14 sources) § Eight level deep hardware stack § Direct, indirect and relative addressing modes § Power-on Reset (POR) § Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
  • 32. § Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation § Programmable code protection § Power saving SLEEP mode § Selectable oscillator options § Low power, high speed CMOS FLASH/EEPROM technology § Fully static design § In-Circuit Serial Programming (ICSP) via two pins § Single 5V In-Circuit Serial Programming capability § In-Circuit Debugging via two pins § Processor read/write access to program memory § Wide operating voltage range: 2.0V to 5.5V § High Sink/Source Current: 25 mA § Commercial, Industrial and Extended temperature ranges § Low-power consumption: < 0.6 mA typical @ 3V, 4 MHz, 20 µA typical @ 3V, 32 kHz, < 1 µA typical standby current
  • 33. PERIPHERAL FEATURES Timer0: 8-bit timer/counter with 8-bit prescaler Timer1: 16-bit timer/counter with prescaler, can be incremented during SLEEP via external crystal/clock Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler Two Capture, Compare, PWM modules ·Capture is 16-bit, max. resolution is 12.5 ns ·Compare is 16-bit, max. resolution is 200 ns ·PWM max. resolution is 10-bit 10-bit multi-channel Analog-to-Digital converter Synchronous Serial Port (SSP) with SPI (Master mode) and I2C (Master/Slave) Universal Synchronous Asynchronous Receiver Transmitter (USART/SCI) with 9- bit address detection Parallel Slave Port (PSP) 8-bits wide, with external RD, WR and CS controls (40/44- pin only) Brown-out detection circuitry for Brown-out Reset (BOR)
  • 34. PIC16F877 CKT Description The PIC Microcontroller board consists of circuits necessary to operate a Microcontroller with PC interface. The board contains provisions for interfacing 8 analog inputs and 23 Digital level signals. The Description of the circuit is given below. Analog inputs: Pin no 2 to 10 can be used to connect any analog signals of range 0-5v. Digital signals: As mentioned in the circuit the pin outs from the port is taken to a 26 pin FRC connector through which we can connect our Digital level signals 0 or 5 volts
  • 35. Clock: The PIC16F877 can be operated in Four Different oscillator modes. The user can program two configuration bits FOSC1 and FOSC0 to select one of these four modes. *LP - Low Power crystal *XT - crystal / resonator *HS - High speed crystal/resonator *RC - Resistor capacitor The clock we have used is 10 MHZ which full under HS category. MCLR/VPP This is master clear input pin to the IC. A logic low signal will generate a reset signal to the microcontroller. So we have tied this pin to VCC for the proper operation of the microcontroller.
  • 36. TXD and RXD: TO communicate with the outside world the microcontroller has an inbuilt USART. The O/P and I/P line from the USART is taken and given to a MAX232 IC for having communication with the PC. Since we have used comport for interfacing the microcontroller. VCC and Ground: Pin no 32, 11 are tied to VCC and pin no 31, 12 are grounded to provide power supply to the chip
  • 37. •Thanking You

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