Skill-Assist is a kind of power assist devices which has been introduced to labor-intensive final assembly lines in automotive industry for helping workers mount such heavy modular parts as instrumental panels on vehicles with high positioning accuracy. The paper briefly describes a current technology which has been already implemented on the controller of the Skill-Assist for putting it to practical use, and a future safeguarding method that has been developed on a laboratory basis. An important issue on putting Skill-Assist devices into practice was resoloved by attaining a certain level of safeguarding technology which follows the initial productivity enhancement effort of controlling the devices so as.
