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First CAD Model
Second CAD Model
Final CAD Model
Hand
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Finger structure: the motor tightens the line, the fingers bend, elastic rope hidden inside the finger, and the finger reset under the elastic force
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Five servo motors
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Sensor : light sensitive resistance
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Two state: ‘Reset’ ‘Go’
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Remote control: IR receiver
Arm
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5 major sections: wrist, lower arm, elbow, upper arm, and shoulder
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To have precision control, we chose stepper motors for wrist, elbow, and shoulder
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The motor for shoulder, elbow, and wrist are NEMA 24, 23 and 17
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To control all motors appropriately, we had to use stepper motor drivers.
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For NEMA 24 motor on the shoulder, we chose more reliable DM 556T for stable current output and less noise
Final Prototype
Manufacturing
Testing
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