Abstract: The vehicle control device is designed to control a vehicle equipped with an engine, and an automatic transmission comprising a torque converter with a lockup clutch. The vehicle control device comprises a controller configured to perform control of changing an engagement degree of the lockup clutch and to, when such a condition that the vehicle is traveling and a steering angle-related value as a parameter related to a steering angle of a steering apparatus of the vehicle increases is satisfied, reduce an output torque of the engine to generate a deceleration of the vehicle to thereby execute a torque reduction control for controlling an attitude of the vehicle. The controller is configured to reduce the output torque of the engine, in accordance with the engagement degree of the lockup clutch controlled by a lockup control.

Abstract: A vehicle control device comprises: a downshift control part (51) configured, upon issuance of a downshift request for downshifting an automatic transmission (200), to execute a downshift control of downshifting the automatic transmission (200) and driving an engine torque regulating mechanism to increase an output torque of an engine (10); a vehicle attitude control part (53) configured, upon satisfaction of a condition that the vehicle is traveling and a steering angle-related value pertaining to a steering angle of a steering device increases, to execute a vehicle attitude control of reducing the output torque of the engine (10) to generate deceleration of the vehicle so as to control vehicle attitude; and a downshift suppression part (55) configured, when the vehicle attitude control is executed, to suppress the execution of the downshift control.

Abstract: An engine control device is provided, that includes an air amount controller, an ignition timing controller, a basic target torque determinator which determines a basic target torque, a change rate acquirer for acquiring a change rate of a steering operation, a target additional deceleration setter for increasing a target additional deceleration while an increase rate thereof becomes less as the change rate increases, a torque reduction amount determinator for determining an engine torque reduction amount, a final target torque determinator for determining a final target torque, and an actual air amount estimator for estimating an actual air amount introduced into a combustion chamber. The air amount controller determines a target air amount and controls the intake air amount to achieve the target air amount. The ignition timing controller retards the ignition timing more as the actual air amount becomes more excessive with respect to the target amount.

Abstract: A vehicle control device includes an engine 10 capable of switching between reduced-cylinder operation and all-cylinder operation, an engine control mechanism that controls an engine torque, and a PCM 50 that executes vehicle posture control for generating vehicle deceleration by controlling the engine control mechanism to reduce the engine torque upon satisfaction of a condition that a vehicle is travelling and a steering angle-related value related to a steering angle of a steering device increases. In addition, this PCM 50 permits the execution of the vehicle posture control when an engine rotation speed is more than or equal to a first rotation speed Ne1 and permits the execution of the reduced-cylinder operation of the engine 10 when the engine rotation speed is more than or equal to a second rotation speed Ne2 that is more than the first rotation speed Ne1.

Abstract: Disclosed is a vehicle control device which is applied to a vehicle equipped with an engine (10) and an engine torque adjustment mechanism for adjusting an output torque (engine torque) of the engine (10). The vehicle control device comprises a PCM (50) configured, upon satisfaction of a condition that the vehicle is traveling and a steering angle-related value relevant to a steering angle of a steering device is increasing, to control the engine torque adjustment mechanism to reduce the engine torque so as to generate vehicle deceleration to control vehicle attitude. The PCM (50) is further configured to gradually ease the condition, as the number of times of combustion per unit time in the engine (10) becomes smaller.

Abstract: A control device for a vehicle includes: an engine (10); an engine torque adjustment mechanism; and a PCM (50) configured to execute vehicle attitude control for, upon satisfaction of a vehicle attitude control executing condition that the vehicle is traveling and a steering angle-related value is increasing, reducing the engine torque to thereby generate deceleration of the vehicle. The PCM (50) is configured, upon satisfaction of a given terminating condition for terminating the vehicle attitude control, to control the engine torque adjustment mechanism to restore the reduced engine torque to an original state before the execution of the vehicle attitude control. The PCM (50) sets a rate of change in the engine output torque being restored, such that it becomes larger as the number of times of combustion per unit time becomes smaller, and restores the engine torque according to the rate of change set in the above manner.

Abstract: A vehicle control device is provided, which includes an engine, an engine control mechanism configured to control torque generated by the engine, a steering device, and a processor. The processor determines whether a vehicle is traveling and a steering angle related value that is related to a steering angle of the steering device increases, executes a control of the engine control mechanism to reduce the torque when the vehicle is determined to be traveling and the steering angle related value is determined to increase, determines whether a combustion frequency of the engine per unit time is lower than a given value, executes the control for reducing the torque when the combustion frequency is determined to be higher than the given value, and prevents the execution of the control for reducing the torque when the combustion frequency is determined to be lower than the given value.

Abstract: A control device for a vehicle includes: an engine (10); an engine torque adjustment mechanism for adjusting an output torque of the engine; and a PCM (50) configured, upon satisfaction of a vehicle attitude control executing condition that the vehicle is traveling and a steering angle-related value is increasing, to control the engine torque adjustment mechanism to reduce the engine torque to thereby generate deceleration of the vehicle so as to control vehicle attitude. The PCM (50) is further configured to set a rate of change in the engine output torque being reduced, such that the rate of change becomes larger as the number of times of combustion per unit time in the engine (10) becomes smaller, and to control the engine torque adjustment mechanism to reduce the engine output torque according to the rate of change set by the torque reduction change rate-setting part.

Abstract: A control device for a vehicle includes: an engine (10); an engine torque adjustment mechanism; and a PCM (50) configured, upon satisfaction of a condition that the vehicle is traveling and a steering angle-related value is increasing, to control the engine torque adjustment mechanism to reduce the engine torque to thereby execute a vehicle attitude control for generating deceleration of the vehicle, and, upon satisfaction of a given terminating condition for terminating the vehicle attitude control, to restore the reduced engine output torque to an original state before the execution of the vehicle attitude control. The PCM (50) sets a time period from the satisfaction of the terminating condition through until start of restoration of the engine torque, such that it becomes longer as the number of times of combustion per unit time becomes larger, and starts to restore the engine torque when the set time period has elapsed.

Abstract: A vehicle control device is provided, which includes a drive source configured to generate torque as driving force of a vehicle, a transmission torque control mechanism configured to control transmission torque to drive wheels according to the generated torque, and a processor configured to execute a vehicle attitude controlling module to perform a vehicle attitude control by controlling the transmission torque control mechanism to reduce the transmission torque so as to decelerate the vehicle when a starting condition that the vehicle is traveling and a steering angle related value increases is satisfied, and then, when a given terminating condition is satisfied, controlling the mechanism to resume the transmission torque back to the torque before being reduced. The transmission torque is controlled so as to cause a yaw rate that occurs in the vehicle while the vehicle attitude control is performed, to be lower than an upper limit yaw rate.

Abstract: A vehicle control device is provided, which includes an engine, an engine control mechanism configured to control torque generated by the engine, a processor configured to execute a vehicle attitude controlling module to control attitude of a vehicle by controlling the engine control mechanism to reduce the torque so as to decelerate the vehicle, when a condition that the vehicle is traveling and a steering angle related value that is related to a steering angle of a steering device increases is satisfied, and a torque reduction amount setting module to set the reduction amount of the torque to be larger as a combustion frequency of the engine per unit time decreases. The vehicle attitude controlling module controls the engine control mechanism to reduce the torque based on the set reduction amount.

Abstract: The vehicle behavior control device comprises a brake control system (18) capable of applying different braking forces, respectively, to right and left road wheels of a vehicle (1). The vehicle behavior control device further comprises: a steering angle sensor (8); a vehicle speed sensor (10); a yaw rate sensor (12); and a yaw moment setting part (22) in PCM (14) configured to decide a target yaw rate of the vehicle based on a steering angle and a vehicle speed, and set, based on a change rate of a difference between an actual yaw rate and the target yaw rate, a yaw moment oriented in a direction opposite to that of the actual yaw rate of the vehicle, as a target yaw moment, whereby the brake control system can regulate the braking forces of the road wheels so as to apply the target yaw moment to the vehicle.

Abstract: The vehicle behavior control device comprised a drive control system 4 and a brake control system 18, wherein a PCM 14 is configured, when steering angle is increasing, to set an additional deceleration to be added to the vehicle, and control the drive control system 4 to attain the additional deceleration, and, when the steering angle is decreasing, to set a yaw moment oriented in a direction opposite to that of a yaw rate being generated in the vehicle, as a target yaw moment to be applied to the vehicle, and control the brake control system 18 to apply the target yaw moment to the vehicle. Particularly, when the steering angle is 0, PCM 14 is configured to set the target yaw moment to 0 so as to terminate the control via the brake control system 18.

Abstract: The vehicle behavior control device comprises an engine control part operable, when an steering speed is greater than a predetermined threshold, and both of a steering wheel angle of a vehicle and the steering speed are increasing, to reduce an output torque of a multi-cylinder internal combustion engine along with an increase in the steering speed, and when the steering speed is equal to or less than the threshold, to stop the reduction of the output torque, and a threshold setting part operable, when the operation mode of the engine is the all-cylinder operation, to set the threshold to a first threshold TS1, and, when the operation mode of the engine is the reduced-cylinder operation, to set the threshold to a second threshold TS2 which is less than the first threshold TS1.

Abstract: The vehicle behavior control device comprises: a steer-by-wire type steering apparatus (6) having a steering wheel-side mechanism and a road wheel-side mechanism which are mechanically separated from each other; and a controller (8) performs a driving force reduction control of reducing a driving force for a vehicle (1) when a steering speed in the steering apparatus (6) becomes equal to or greater than a given threshold. The steering apparatus (6) comprises a first steering angle sensor (14) provided in the steering wheel-side mechanism and a second steering angle sensor (19) provided in the road wheel-side mechanism. The controller (8) performs the driving force reduction control based on the steering speed in accordance with a sum of an output of the first steering angle sensor (14) and an output of the second steering angle sensor (19).

Abstract: A vehicle behavior control device comprises: a steer-by-wire type steering apparatus (6) having a steering wheel-side mechanism and a road wheel-side mechanism which are mechanically separated from each other; and a controller (8) performs a driving force reduction control when a steering speed in the steering apparatus (6) becomes equal to or greater than a given threshold. The steering apparatus (6) comprises a first steering angle sensor (14) provided in the steering wheel-side mechanism and a second steering angle sensor (19) provided in the road wheel-side mechanism. The controller (8) performs the driving force reduction control using the first steering angle sensor (14) when a yaw rate or a steering speed is equal to or greater than a given value, and performs the driving force reduction control using the second steering angle sensor (19) when the yaw rate or the steering speed is less than the given value.

Abstract: There is provided a vehicle behavior control device capable of improving responsivity of a vehicle behavior and a linear feeling with respect to a steering wheel operation without causing a driver to experience a strong feeling of intervention of the control and, at the same time, capable of controlling behavior of a vehicle in such a manner as to also improve stability of the vehicle attitude and riding comfort. In a vehicle behavior control device applied to a vehicle having steerable front road wheels, the vehicle behavior control device includes a PCM which acquires a steering speed of the vehicle, and generates a deceleration jerk which is a rearward jerk in a longitudinal direction of the vehicle when the steering speed becomes equal to or greater than a given threshold TS1 which is greater than zero.

Abstract: A vehicle control device comprises: a downshift control part (51) configured, upon issuance of a downshift request for downshifting an automatic transmission (200), to execute a downshift control of downshifting the automatic transmission (200) and driving an engine torque regulating mechanism to increase an output torque of an engine (10); a vehicle attitude control part (53) configured, upon satisfaction of a condition that the vehicle is traveling and a steering angle-related value pertaining to a steering angle of a steering device increases, to execute a vehicle attitude control of reducing the output torque of the engine (10) to generate deceleration of the vehicle so as to control vehicle attitude; and a downshift suppression part (55) configured, when the vehicle attitude control is executed, to suppress the execution of the downshift control.

Abstract: Disclosed is a vehicle control device which is applied to a vehicle equipped with an engine (10) and an engine torque adjustment mechanism for adjusting an engine torque. The control device comprises a PCM (50) configured, upon satisfaction of a condition that the vehicle is traveling and a steering angle-related value relevant to a steering angle of a steering device is increasing, to control the engine torque adjustment mechanism to reduce the engine torque, so as to execute a vehicle attitude control for generating vehicle deceleration. The PCM (50) is configured, upon satisfaction of a vehicle attitude control-terminating condition for terminating the vehicle attitude control, to control the engine torque adjustment mechanism to restore the engine torque to an original level of torque before the execution of the vehicle attitude control.

Abstract: An engine control device for controlling an engine based on a vehicle operating state is provided, that includes a basic target torque determinator for setting a vehicle target acceleration based on an accelerator pedal operation and determining a basic target engine torque based on the vehicle target acceleration, a torque reduction demand determinator for determining whether an engine torque reduction is demanded based on the vehicle operating state other than the accelerator pedal operation, a torque reduction amount determinator for determining an engine torque reduction amount according to the operating state when the torque reduction is demanded, a final target torque determinator for determining as a final target torque an engine torque calculated by subtracting the torque reduction amount from the basic target torque when the torque reduction is demanded, and an engine controller for controlling the engine so as to output the final target torque.