Abstrak 
Design And Realization Of Microcontroller-Based Continuous Passive Motion Device To Prevent Shoulder Joint Stiffness
Hermawan N.R., Tati R.M., Soegijardjo S., Mutia R., Detriana M, Dody Aprianto
Unpad, ITB
Inggris
Unpad, ITB
Continuous Passive Motion (CPM), Forearm orthotic, Frozen shoulder, Joint stiffness, Microcontroller, Motor driver, Stepper motor
The design and realization of a microcontroller-based Continuous Passive Motion device (CPM) for shoulder joint recovery was done. This machine can be used after performing an operation, or for patients suffering from joint motion limitation due to early stage of frozen shoulder. The system consists of a MCS-51, a motor driver and stepper motor, a mechanical module and a forearm orthotic. The experimental results showed that the pulse signals are able to control the motor driver which in turn controls the stepper motor according to the predetermined parameters. The stepper motor is also able to provide bi-directional motions of rotation or abduction-adduction at the predetermined durations and velocities (low, medium, and high). By adjusting the handle remote, microcontroller-bassed CPM can produce smooth motion.