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Development of Direct Push Clutch Control during Honda Formula One Third Era

Article of Honda R&D Technical Review F1 Special (The third Era Activities)

Summary

One main development topic for the Formula One third era clutch was the direct push clutch (DPC), which was developed in order to increase the accuracy of transfer torque.
Conventional pull clutch position control could not readily stabilize the amount of torque transfer during standing starts, and therefore pressure control of the DPC was used in order to stabilize the clamp load. The non-linear characteristics of the hardware posed some issues with the hydraulic pressure response. However, these issues were addressed by control, and as a result response that had no issues in practical terms was able to be assured and the method was successfully deployed in racing.

Author (organization or company)

Takayuki KISHI(Automobile R&D Center)、Yoshiki NAGATOSHI(Automobile R&D Center)、Hiromasa NAKAMURA(Automobile R&D Center)、Yoichiro FUKAO(Automobile R&D Center)

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