Transactions of the Japan Society of Mechanical Engineers Series C
Online ISSN : 1884-8354
Print ISSN : 0387-5024
Dynamic Control of a Quaduped Robot Based on Free Movement in a Gravity Field
Junji FURUSHOAkihito SANOAkihiro GOTO
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1989 Volume 55 Issue 518 Pages 2575-2582

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Abstract

It is generally recognized that cursorial animals possess off-road mobility characteristics far superior to those of conventional wheeled or tracked vehicles. In this paper, a control method for speedy quadruped which is based on free movement in a gravity field and saves energy. In the supporting phase, the waist joints are under an open-loop control which consists of two control modes: 1) a free rotation mode and 2) a constant voltage mode. The stability of the proposed method is examined by numerical analysis. The walking robot"COLT-1"is able to achieve average speed of 0.5 m/s by using this control method.

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