期刊
JOURNAL OF MECHANISMS AND ROBOTICS-TRANSACTIONS OF THE ASME
卷 11, 期 3, 页码 -出版社
ASME
DOI: 10.1115/1.4042627
关键词
compliant mechanisms; mechanism design
资金
- National Natural Science Foundation of China [51605166, U1609206, U1501247]
This paper presents a method for topology optimization of large-deflection compliant mechanisms with multiple inputs and outputs by considering the coupling issue. First, the objectives of the design problem are posed by modeling the output loads using several springs to enable control of the input-output behavior. Second, a scheme is proposed to obtain a completely decoupled mechanism. Both input coupling and output coupling are considered. Third, with the implementation of an energy interpolation scheme to stabilize the numerical simulations, the geometrical nonlinearity is considered to appropriately capture the large displacements of compliant mechanisms. Finally, several numerical examples are presented to demonstrate the validity of the proposed method. Comparison studies with the obtained results without considering the coupling issues are also presented.
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