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Development of Fail-safe Method for Motorcycle's Electronic Throttle Control System
Published November 03, 2009 by Society of Automotive Engineers of Japan in Japan
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In recent years, even motorcycles impose demands for engine power controls that are more flexible and precise. The Electronic Throttle Control (ETC) system is one of the methods that addresses this need. However, the most important issue facing the installation of the ETC system on the motorcycle is handling failures.
To avoid this problem, we developed an ETC system for motorcycles that can properly effect engine power control in case of a failure. This ETC system contains in duplicate the major components to detect failures and switch to a failure mode properly.
To effect control that is optimally suited to the type of failure, this system switches between three types of failure modes. These failure modes are designed to minimize risks in case of a failure and maximize the operational capability while the rider is on the way to have the motorcycle repaired.
Thus, by creating a fail-safe system that effects engine power control, while keeping the vehicle characteristics in mind, the installation of the ETC system on motorcycles has been made possible.
CitationSAKAMOTO, T., OSHIMA, T., TANI, Y., FUKUUCHI, M. et al., "Development of Fail-safe Method for Motorcycle's Electronic Throttle Control System," SAE Technical Paper 2009-32-0124, 2009.
- WENGERT Jörg et. al. “Electronic Throttle Control for Motorcycles” 13th Small Engine Technology Conference 2007