Provided is an internal combustion engine control system capable of simultaneously and suitably carrying out the will of a driver to accelerate and modifications to the throttle opening degree characteristics. An internal combustion engine control system is provided with an accelerator pedal operati
Provided is an internal combustion engine control system capable of simultaneously and suitably carrying out the will of a driver to accelerate and modifications to the throttle opening degree characteristics. An internal combustion engine control system is provided with an accelerator pedal operation amount sensor for detecting the accelerator pedal operation amount, a storage unit for storing multiple different throttle opening degree characteristics of an engine relative to the accelerator pedal operation amount, a switch for selecting the throttle opening degree characteristic pertaining to a plus sports mode in response to an operation, and an engine control unit for controlling the throttle opening degree of the engine on the basis of the selected throttle opening degree characteristic and the detected accelerator pedal operation amount.
대표청구항▼
1. An internal combustion engine control system for controlling an internal combustion engine of a vehicle, comprising: an accelerator pedal operation amount detecting section for detecting an accelerator pedal operation amount of the vehicle by a driver;a storage section that stores at least a firs
1. An internal combustion engine control system for controlling an internal combustion engine of a vehicle, comprising: an accelerator pedal operation amount detecting section for detecting an accelerator pedal operation amount of the vehicle by a driver;a storage section that stores at least a first increase amount of a throttle opening degree with respect to an increase amount of an accelerator pedal operation amount as a first throttle opening degree characteristic and a second increase amount of a throttle opening degree larger than the first increase amount of a throttle opening degree with respect to the increase amount of an accelerator pedal operation amount as a second throttle opening degree characteristic;an operating section for selecting the second throttle opening degree characteristic corresponding to an operation by the driver; anda control section for controlling the throttle opening degree of the internal combustion engine, based on the first throttle opening degree characteristic or the second throttle opening degree characteristic and the detected accelerator pedal operation amount,wherein the control section changes the first throttle opening degree characteristic to the second throttle opening degree characteristic on condition that an increase in the accelerator pedal operation amount larger than the predetermined operation amount by the driver occurs within a predetermined time after the selection of the second throttle opening degree characteristic by operation of the second operating section. 2. The internal combustion engine control system according to claim 1, wherein the second throttle opening degree characteristic selected by the operating section is set such that an increase in the second throttle opening degree accompanying an increase in the accelerator pedal operation amount is greater than that of the second throttle opening degree characteristic before the change. 3. The internal combustion engine control system according to claim 1, wherein, after the change to the first throttle opening degree characteristic or the second throttle opening degree characteristic, if the operating section is again operated, then the control section changes the throttle opening degree characteristic to that before the change. 4. The internal combustion engine control system according to claim 1, wherein, after the change to the first throttle opening degree characteristic or the second throttle opening degree characteristic, if an operation is performed such that the accelerator pedal operation amount decreases, then the control section changes the throttle opening degree characteristic to that before the change. 5. The internal combustion engine control system according to claim 1, further comprising: a brake pedal operation detecting section for detecting a brake pedal operation of the vehicle,wherein, after the change to the first throttle opening degree characteristic or the second throttle opening degree characteristic, if the brake pedal operation is detected, then the control section changes the throttle opening degree characteristic to that before the change. 6. The internal combustion engine control system according to claim 1, further comprising: a vehicle speed detecting section for detecting a vehicle speed of the vehicle,wherein, in a state that the vehicle speed is lower than a predetermined vehicle speed, the control section prohibits changing the throttle opening degree characteristic even if the accelerator pedal operation amount increases after selection of the throttle opening degree characteristic by operation of the operating section. 7. The internal combustion engine control system according to claim 1, wherein the vehicle includes:a motor that functions as a movement power source of the vehicle as well as the internal combustion engine; anda battery for supplying electrical power to the motor,wherein the internal combustion engine control system comprises a battery electric storage amount detecting section for detecting an electric storage amount of the battery,and wherein, in a state that the electric storage amount of the battery is smaller than a predetermined electric storage amount, the control section prohibits changing the throttle opening degree characteristic even if the accelerator pedal operation amount increases after selection of the throttle opening degree characteristic by operation of the operating section. 8. The internal combustion engine control system according to claim 1, comprising: a steering angle detecting section for detecting a steering angle of the vehicle,wherein, in a state that the steering angle exceeds a predetermined steering angle, the control section prohibits changing the throttle opening degree characteristic even if the accelerator pedal operation amount increases after selection of the throttle opening degree characteristic by operation of the operating section. 9. The internal combustion engine control system according to claim 1, further comprising: a notifying section for notifying a waiting state in which the throttle opening degree characteristic has been selected and an operating state in which throttle opening degree characteristic has been changed to the first throttle opening degree characteristic or the second throttle opening degree characteristic, based on output from the control section. 10. The internal combustion engine control system according to claim 7, further comprising: a notifying section for notifying a waiting state in which the throttle opening degree characteristic has been selected and an operating state in which throttle opening degree characteristic has been changed to the first throttle opening degree characteristic or the second throttle opening degree characteristic,wherein, when the control section prohibits changing the throttle opening degree characteristic, the control section outputs notification of the prohibition to the notifying section. 11. The internal combustion engine control system according to claim 8, further comprising: a notifying section for notifying a waiting state in which the throttle opening degree characteristic has been selected and an operating state in which the throttle opening degree characteristic has been changed to the first throttle opening degree characteristic or the second throttle opening degree characteristic,wherein, when the control section prohibits changing the throttle opening degree characteristic, the control section outputs notification of the prohibition to the notifying section.
Mehta Vivek ; Steven D. Stiles ; Richard B. Jess ; James R. Royer, Modification of pedal progression with acceleration feedback using electronic throttle control.
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