Test system having a dynamometer and a corresponding dynamometer control device
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United States of America Patent
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Nov 21, 2023
Grant Date -
Aug 31, 2023
app pub date -
Sep 3, 2021
filing date -
Sep 29, 2020
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Abstract
This test system comprises: a dynamometer connected to a test piece W; an inverter for supplying electric power to the dynamometer; an encoder for generating a speed detection signal N corresponding to a rotational speed of the dynamometer; and a dynamometer control device 6 for generating a torque current command signal DYref. The dynamometer control device 6 comprises: a response model 61 that receives a higher-order speed command signal Nr and outputs a model speed command signal Nr′; a feedforward controller 62 that receives the higher-order speed command signal Nr and outputs a feedforward input uff; and a speed controller 64 that generates the torque current command signal DYref on the basis of a feedback input ufb generated on the basis of a deviation e between the model speed command signal Nr′ and the speed detection signal N, and the feedforward input uff.
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