Kinematic analysis of precision planar manipulator on silicon

Kazuhiro Kosuge, Toshio Fukuda, Mehran Mehregany

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

Abstract

A control architecture for the precision planar link mechanism on silicon, the semi-closed-loop feedback system, is proposed. Each joint is controlled in an open-loop manner using a stepping micromotor. The positioning accuracy of the control system depends on the kinematics of the mechanism, since no feedback loops concerned with the controlled variables exist. To investigate the feasibility of the control system, several kinematic issues are analyzed. The authors solve the inverse kinematic problem for this mechanism. They discuss the effect of joint clearances on the positioning accuracy on the platform. They derive the relation between the actuator resolutions and the attainable positioning accuracy of the platform. The final result revealed the tradeoff relation between the positioning accuracy of the platform and its working area. Since the necessary output torque also depends on the selection of kinematic parameters of the system, the design of micromechanical systems should be done based on the tradeoff relations among the actuator torques, positioning accuracies, working area, etc.

Original languageEnglish
Title of host publicationTransducers '91
PublisherPubl by IEEE
Pages618-621
Number of pages4
ISBN (Print)0879425857
Publication statusPublished - 1991 Dec 1
Externally publishedYes
Event1991 International Conference on Solid-State Sensors and Actuators - San Francisco, CA, USA
Duration: 1991 Jun 241991 Jun 28

Other

Other1991 International Conference on Solid-State Sensors and Actuators
CitySan Francisco, CA, USA
Period91/6/2491/6/28

ASJC Scopus subject areas

  • Engineering(all)

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