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Content Provider | IET Digital Library |
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Author | Kim, Ji Min Yoon, Myung Hwan Hong, Jung Pyo Kim, Sung Il |
Abstract | The reduction of cogging torque is the most important design objective for electric power steering (EPS) motors, because the rotation characteristics of the motor are directly transmitted to a driver. Therefore, a variety of optimal design methods are applied to reduce the cogging torque for EPS motors. However, the measured cogging torques of fabricated models are significantly greater than the finite-element analysis (FEA) results, because the additional harmonic components (AHCs) of the cogging torque are generated by manufacturing tolerances. The cogging torque generated by manufacturing tolerances can be divided into two components, which are generated by stator and rotor tolerances. In this study, AHCs, which cause cogging torque, are analysed by FEA by applying various tolerances to the analysis model, and harmonic analysis is also conducted. The relation of AHC generated from the stator and rotor is analysed by a rotor swapping test. Consequently, this study can be helpful to analyse the components of the cogging torque generated by manufacturing processes. |
Starting Page | 691 |
Ending Page | 696 |
Page Count | 6 |
ISSN | 17518660 |
Volume Number | 10 |
e-ISSN | 17518679 |
Issue Number | Issue 8, Sep (2016) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-epa/10/8 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2015.0641 |
Journal | IET Electric Power Applications |
Publisher Date | 2016-09-01 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Additional Harmonic Component AHCs Cogging Torque Analysis Electric Power Steering EPS Motors FEA Finite Element Analysis Harmonic Analysis Manufacturing Tolerances Motor Rotation Characteristic Optimal Design Method Permanent Magnet Motors Rotor Swapping Test Rotor Tolerances Rotors Stator Tolerances Stators Surface-mounted Permanent Magnet Synchronous Motor Synchronous Machine Synchronous Motors |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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