Common teaching processes like the teach pendant operate most commercial robots. Accelerometer-based gesture recognition has become favorite since the last ten years. Advantages of the accelerometer are low to moderate in cost, and small in size. Wireless sensor system (using 'Wii' remote; accelerometer-based) can be used to operate a robotic arm. This arm is designed to operate in similar motions to the human arm.
Calibration of these teaching methods require big whole of time. They can require unabridged human intervention. Adjustments are done based on accelerometer data. When teaching a walking robot (bipedal), feedback is beneficial to learn new walk parameters.
3-axis accelerometer is attached to discrete parts of a robotic arm. Sensor (accelerometer) is configured to recognize gestures (changing arm positions). Only exact movements can get underway the robotic arm to function. Accelerometer data is analyzed to fit in the recognized exact movements, e.g., a swing to the right. Minute jittery movements will not yield any meaningful exact patterns. Benefit of such operate system is its programmable, repeatable robotic arm movements.
Two 'Wii Nunchucks' (3-axis accelerometer) can be attached to operate a robotic arm. One is at the palm of the user (held), another at his elbow. By this, at the two end points of the arm (palm and elbow), differentiation in the middle of roll and pitch wrist and shoulder joint movements are allowed. Digital motion data is then sent to (from both 'Wii Nunchucks') to 'Arduino' micro controller. The 'Arduino' micro controller only collects and processes acceleration data. A cut off micro controller then controls the servo motors. 'Arduino', mentioned many times in this article is a corporal computing platform that is currently taking the world by storm.
various Ways to control a Robot by a "Wii Nunchuck"