Evaluation of Angular Sensor Systems for Rotor Position Sensing of Automotive Electric Drives
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The objective of this paper is the generic approach for assessment and evaluation of different position sensor technologies used for automotive electric traction drive applications. The information of the position angle is essential for the robustness and the quality of the control respectively the reliability of the overall electrified powertrain. The rotor position sensor is a key component, which has to be considered with best application’s usage. A systematic testing within automotive requirements can support the technology selection as well as the performance evaluation in a very early stage of the electric drive system development. First an overview about automotive relevant rotor position sensors is given. Based on this the testing parameter, the test bench capabilities and a test result of a selected end of shaft position sensor is described.
Keywordsrotor position sensor angular position measurement electric drive magneto-resistive effect resolver
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