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MEMS based gesture controlled robot

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MEMS based gesture controlled robot

  2. 2. WHAT IS THE PROJECT ALLWHAT IS THE PROJECT ALL ABOUT??ABOUT?? ABOUT??ABOUT?? To Control the movement of robot wirelesslyTo Control the movement of robot wirelessly using hand gesturesusing hand gestures
  3. 3. WHAT IS MEMS ?WHAT IS MEMS ? MEMS Means micro electro mechanical systemMEMS Means micro electro mechanical system It is a mechanical device driven by electricityIt is a mechanical device driven by electricity It converts mechanical hand movements intoIt converts mechanical hand movements into equivalent electric signalsequivalent electric signals Among many of the MEMS devices 3-AxisAmong many of the MEMS devices 3-Axis accelerometer is oneaccelerometer is one
  4. 4. HARDWARE USEDHARDWARE USED Micro controller ATMEGA-8Micro controller ATMEGA-8 MEMS sensorMEMS sensor DC motorDC motor Motor driver circuitMotor driver circuit
  5. 5. Block DiagramBlock Diagram
  6. 6. MICRO CONTROLLER(ATMEGA-8)MICRO CONTROLLER(ATMEGA-8) low-power CMOS 8-bit micro controller, based on the AVR enhanced RISC architecture 8K Bytes of In-System Self- programmable Flash program memory 8-channel ADC in TQFP and QFN/MLF package On-chip Analog Comparator
  7. 7. ACCELEROMETERACCELEROMETER 3 Axis Acceleration Sensor Board. User could get acceleration value of X, Y, and Z axis. widely used in shock, slope, and moving detection. The output analog. Used in tilt Sensing applications
  8. 8. MOTOR DRIVE(L293D)MOTOR DRIVE(L293D) Usable from 6 to12V Two DC motors can be driven simultaneously Has output current of 600mA and peak output current of 1.2A
  9. 9. WORKINGWORKING Based on user hand gesturesBased on user hand gestures the accelerometer sends thethe accelerometer sends the analog signals to the microanalog signals to the micro controller.controller. The internal ADC moduleThe internal ADC module present in the micro controllerpresent in the micro controller converts the analog data toconverts the analog data to corresponding datacorresponding data compatible with the motorcompatible with the motor driver i.e digital formdriver i.e digital form
  10. 10. WORKINGWORKING This data is compared to the mean values given by the user(us) the relative shift in the data is calculated to determine the movements of the motor in either forward or backward direction These signals are given to the motor driver It can be controlled wirelessly at the range of 50-1600m
  11. 11. CONCLUSIONCONCLUSION By these kind of human and machine interfaceBy these kind of human and machine interface the control and steering of the futurethe control and steering of the future technology can be modernizedtechnology can be modernized This technology is very useful for physicallyThis technology is very useful for physically challenged peoplechallenged people
  13. 13. THANK YOUTHANK YOU S.AdityaS.Aditya 245110735057245110735057 ECE-4/4 AECE-4/4 A