| 摘要 |
PROBLEM TO BE SOLVED: To eliminate giving of incompatible sense by rattling of an accelerator pedal to a driver. SOLUTION: When an accelerator opening APS becomes larger than an accelerator opening threshold value APSa and step force of the accelerator pedal 2 is increased relative to base step by a predetermined amount A, the step force is not steppingly increased but an increase ratio of the step force according to the accelerator opening is varied while continuously dividing it to two stages to increase the step force of the accelerator pedal 2. Further, it is set such that the increase ratio of the second step force becomes relatively larger than the increase ratio of the first-time step force. Thereby, when the step force of the accelerator pedal 2 is increased relative to the base step force, rebounding of a foot by rapid increase of the step force can be suppressed and deterioration of operability can be suppressed. COPYRIGHT: (C)2011,JPO&INPIT
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