Browsing by Author "Liao, Chung-Shu"

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Optimal motion cueing for 5-DOF motion simulations via a 3-DOF motion simulator
(2009-01-01)
Chang, Yang-Hung
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Liao, Chung-Shu
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Chieng, Wei-Hua
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機械工程學系
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Department of Mechanical Engineering
This study presents a novel motion-cueing strategy, which is applied to a motion simulator with three rotational degrees of freedom (DOF) to perform the roll, pitch, yaw, surge, and sway motions by using an online optimization algorithm. The weighting functions are adaptively tuned in each step, and the optimal Euler angles are obtained analytically. This motion-cueing algorithm is efficient since it requires no recursive search on the optimal solution. Experiments demonstrating the validity of the 5-DOF motion simulation are also included. (C) 2008 Elsevier Ltd. All rights reserved.
OPTIMIZATION SETTING OF DYNAMICS PARAMETERS FOR AN ATV SIMULATOR
(2011)
Wu, Ping-Lin
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Liao, Chung-Shu
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Chieng, Wei-Hua
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機械工程學系
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Department of Mechanical Engineering
Driving all-terrain vehicles (ATVs) is a popular recreational activity. However, driving on an unpaved road poses risks even to an experienced ATV driver. In this work, a six-degree of-freedom ATV motion simulator is designed. A motion platform, which provides a safe and comfortable environment for drivers to develop their skill over an extended period, is used to simulate the dynamics of a passive ATV suspension. The proposed simulator provides a virtual ATV driving environment that includes rough terrains that drivers may feel uncomfortable with even in the simulated environment. Importantly, the simulator optimizes the dynamic parameters of the suspension system, enabling ATV drivers to experience the driving activity more comfortably yet realistically. A comparison between simulation results and experimental results indicates that the simulator has high adaptability.