Modelling and motion control of a double-pendulum driven cart

Liu, Y., Yu, Hong Nian and Cang, Shuang (2012) Modelling and motion control of a double-pendulum driven cart. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 226 (2). pp. 175-187. ISSN 0959-6518

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The significant advantage of ground mobile robots (GMRs) is their accessibility to areas that are inaccessible for humans. One difficulty of current GMR technology is that the external driving mechanisms, such as wheel, track, and leg, restrict its applications. In order to solve this limitation, the present paper proposes a novel driving mechanism using a novel GMR called the double-pendulum driven cart (DPDC). The DPDC, which employs only internal thrust and static friction, is capable of steering by two parallel pendulums mounted on the cart, and is able to implement planar elemental motions by designing the pendulum trajectory properly. The paper first studies the dynamic modelling and the motion control issues of the DPDC. A closed-loop controller using the partial feedback linearization technique is then designed for the tracking control of the parallel pendulums to guarantee accurate motion of the cart. Extensive simulation results verify the proposed model and the efficiency of the motion control strategy.

Item Type: Article
Uncontrolled Keywords: mobile robot, double-pendulum, pendulum driven, underactuated system, motion control
Subjects: H300 Mechanical Engineering
Department: Faculties > Business and Law > Newcastle Business School
Depositing User: Paul Burns
Date Deposited: 19 Dec 2018 16:44
Last Modified: 19 Nov 2019 09:52

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