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Cornering stability improvement by gyro moment for narrow tilting vehicle
Jeffrey Too Chuan Tan,Yitsao Huang,Yoshihiro Suda,Akira Mizuno,Munehisa Horiguchi 대한기계학회 2015 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.29 No.7
The aim of this work is to improve the cornering stability of narrow tilting vehicle by gyro moment. The proposed approach is to counterbalancethe instability (wheel lifting) caused by the tilt actuator with gyro moment. A four-wheel narrow tilting vehicle is modeled in amultibody dynamics software to conduct two vehicle motion simulations with hard cornering. The objective of Simulation A is to investigatethe gyro moment effects on the vehicle inner wheel load (wheel lifting), and the purpose of Simulation B is to validate the proposedapproach with the improvement of vehicle lateral acceleration (rollover resistance). The simulation results have shown improved stabilitywith no wheel lifting during hard cornering, and higher lateral acceleration. These have proven our proposed approach of applying gyromoment to further improve the cornering stability of narrow tilting vehicles.