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Using Electromyography-Based Controls to Direct a LEGO Mindstorm Unit

Using Electromyography-Based Controls to Direct a LEGO Mindstorm Unit. Preston Steele James Brooks Nicholas Gomes. PIC. -timing interface -A/D converter -filtering -EMG algorithm -RS232 serial port. Amplifier. EMG. Bluetooth adapter. NXT. - switch motors on /off

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Using Electromyography-Based Controls to Direct a LEGO Mindstorm Unit

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  1. UsingElectromyography-BasedControls to Direct a LEGO MindstormUnit Preston Steele James Brooks Nicholas Gomes

  2. PIC -timing interface -A/D converter -filtering -EMG algorithm -RS232 serial port Amplifier EMG Bluetooth adapter NXT -switchmotorson/off -adjust motor speed

  3. Signalprocessing Regardless of samples Sample dependent 60 hz notch filter Bandpass () Fourier Range of bandpass

  4. PIC18F4525 • 8 bit microcontroller • Develop timer • Analog to digital conversion • Signal filtering • Special EMG algorithm • Bluetooth communication

  5. NXT • 4 input, 3 output • 32 bit microprocessor • Phone app • Sensors • Light, touch, ultrasonic, • Own software • Icon based drag and drop

  6. LEGO Mindstorm

  7. References • Inman, Verne, J.B. Sanders, and Leroy Abbott. "Observations of the Function of the Shoulder Joint." Clinical Orthopaedics & Related Research 330 (1996): 3-12. Print. • Lobo-Pratt, Joan, ArvidKeemink, Arno Steinen, Alfred Schouten, Peter Veltink, and Bart Koopmann. "Evaluation of EMG, Force and Joystick as Control Interfaces for Active Arm Supports." Journal of NeuroEngineering and Rehabilitation 11.68 (2014). Print. • E. Lum, C. Perez, Y . Sun. “On detecting and Adaptive Timing for Electromyogram based control signals.” Proceedings 38th Northeast Bioengineering Conference, Philadelphia, PA, pp.43-44, March 16-18, 2012. • B. McCarthy, K. Stevens, C. King, E. Chabot, Y. Sun. “Graded Muscle Contractions Determined by Temporal Recruitment.” Proceedings, 39th Northeast Bioengineering Conference, Syracuse, NY, pp. 267-277, 2013. • Microchip. PIC18F2525/2620/4525/4620 Data Sheet. San Jose, 2008. Print. • BeagleBone. BeagleBone Black System Reference Manual. Dallas, 2013. Print.

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