Biomechanics Gait Analysis Lab - Biomedical Engineering ...

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5. Connect the 5-pin male LEMO connector from the footswitch insole properly into the female connector on the transmitter box (Figure 24); make sure to match up the red areas. Figure 24: Footswitch Connection to Transmitter Box 6. Zip-up the fanny pack until the transmitter is fixed into place. 7. Connect the footswitch output data wires from the receiver box to the National Instruments BNC-2120 device digital I/O ports. Connect the white ground wire to the D GND input, blue Toe data wire to the P.0.0 input, blue 1 st Metatarsal wire to the P.0.1 input, blue 5 th Metatarsal wire to the P.0.2 input, and blue Heel wire to the P.0.3 input using a screw driver to secure them into place (Figure 25). Page 22
Figure 25: Footswitch Output Wire Connection 8. Mark a start line on the floor where the subject’s heel will first make contact. 9. Turn ON the Transmitter and Receiver boxes (Figure 26). Page 23
Page 1 and 2: Biomechanics Gait Analysis Lab Oper
Page 3 and 4: PARTS AND ACCESSORIES The following
Page 5 and 6: Table of Contents Section Page Numb
Page 7 and 8: The new laboratory utilizes a numbe
Page 9 and 10: Figure 4: FSR Insole The FSR’s ar
Page 11 and 12: Figure 8: Transmitter Box Figure 9:
Page 13 and 14: The receiver connects directly to t
Page 15 and 16: Figure 15:Footswitch Insoles LabVIE
Page 17 and 18: Figure 17: Men’s FSR Insoles LabV
Page 19 and 20: Figure 19:Womens FSR Insoles LabVIE
Page 21: 3. Place the fanny pack around the
Page 25 and 26: 14. Press the OFF button on the blo
Page 27 and 28: Figure 30: Corrected Toe Sensor Dat
Page 29 and 30: 2. Place the transmitter box into t
Page 31 and 32: 8. Mark a start line on the floor w
Page 33 and 34: Battery Replacement 1. Turn both of
Page 35 and 36: 5. Place the 3v lithium battery in
Page 37 and 38: - Dry the cleaned area with a soft
Page 39 and 40: 3. Humidity The device should not b
Page 41 and 42: The footswitches and force sensitiv
Page 43 and 44: The sensors act as a force sensing
Page 45 and 46: 10-bit analog-to-digital conversion
Page 47 and 48: Figure 38: Microprocessor Circuit f
Page 49 and 50: Metric A L M S1 S2 mm. 9.5 35.0 25.
Page 51 and 52: to supply a very small voltage (les
Page 53 and 54: A B C D Figure 45: Male LEMO Connec
Page 55 and 56: Telemetry: Transmitter Set-up Figur
Page 57 and 58: Figure 50: Receiver Circuit schemat
Page 59 and 60: The 418MHz transmitter/encoder chip
Page 61 and 62: Analog Inputs Digital Inputs Figure
Page 63 and 64: 4. Trouble-Shooting Problem Possibl
Page 65 and 66: 4- If no output coming out of the F
Page 67 and 68: 7. If the footswitches and the FSR'
Page 69 and 70: 10. If LabVIEW program is not worki
Page 71 and 72: 13. If the male LEMO connector is n
Page 73 and 74:
16. If LabVIEW program still not wo
Page 75 and 76:
Page 75
Page 77:
20. If the circuit is working fine
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