Output Torque for Electromagnetic Harmonic Drive | Zendy

Lizhong Xu | Zendy; Yongli Liang | Zendy

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Output Torque for Electromagnetic Harmonic Drive

Author(s) -

Lizhong Xu,

Yongli Liang

Publication year - 2014

Publication title -

advances in mechanical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 40

eISSN - 1687-8140

pISSN - 1687-8132

DOI - 10.1155/2014/721543

Subject(s) - torque , control theory (sociology) , displacement (psychology) , harmonic , position (finance) , physics , harmonic drive , ring (chemistry) , angular displacement , core (optical fiber) , direct torque control , stall torque , mechanics , engineering , computer science , acoustics , voltage , mechanical engineering , induction motor , optics , control (management) , artificial intelligence , psychotherapist , chemistry , psychology , quantum mechanics , thermodynamics , organic chemistry , finance , economics

The operation principle of an electromagnetic harmonic drive is analyzed and its speed ratio equation is given. The equations of the displacements of the flexible ring under magnetic forces and the equations of the output torque between the flexible ring and rigid one are deduced. Using these equations, the displacement distribution of the flexible ring is investigated, and the effects of the system parameters on output torque are discussed. The results show that the current intensity of the coils, the airgap, the iron core length, and the position of the rigid ring have effects on the output torque for the drive system. The current intensity can be taken as the main control parameter of the output torque

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