Annually, approximately 15 million people in the world h ave permanent paralysis due to stroke and other cardi ovascular diseases. It bring s great incon venience to the patients' daily life; also to the f amily and society bring heavy spirit and econom y burden. A growing number of stroke patients need to recuperate to regain limb motor function. Currently, many rehabilitation robots are developed by dom estic and foreign researchers to assis t patients for rehabi litation training. Rehabilitation robots a...