A power-generated magnetorheological (MR) damper with integrating a controllable damping mechanism and a power-generation
mechanism is proposed in this paper. The controllable damping mechanism is realized by an annular rotary gap
filled with MR fluids working in pure shear mode. The rotary damping moment is transformed to a linear damping force
via a ball-screw mechanism. The power-generation mechanism is realized via a permanent magnet rotor and a stator with
winding coils, which transforms the vibration energy of the system into electric power or directly to power the controllable
damping mechanism. The characteristics of the controllable damping force and the power-generated performance are
theoretically analyzed and experimentally tested.
Xian-Xu Bai, Qi Zou, and Li-Jun Qian, "Design and test of a power-generated magnetorheological damper," Proc. SPIE 10164, Active and Passive Smart Structures and Integrated Systems 2017, 101641J (Presented at SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring: March 29, 2017; Published: 11 April 2017); https://doi.org/10.1117/12.2257555.
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