TURBOCHARGED ENGINE CONTROL DEVICE
First Claim
1. A turbocharged engine control device for controlling an engine equipped with a turbocharger having a compressor provided in an intake passage, based on a driving state of a vehicle mounting the engine, the engine comprising:
- an air amount control part for controlling an intake air amount according to a target torque; and
an ignition timing control part for controlling an ignition timing of an ignition system, the turbocharged engine control device comprising;
a basic target torque-deciding part for deciding a basic target torque based on a driving state of the vehicle including an accelerator pedal operation state;
a torque reduction amount-deciding part for deciding a torque reduction amount based on a driving state of the vehicle other than the accelerator pedal operation state; and
a final target torque-deciding part for deciding a final target torque based on the decided basic target torque and the decided torque reduction amount, wherein;
the air amount control part is operable to decide a target air amount required for the engine to output the final target torque, and control the intake air amount so as to realize the decided target air amount; and
the ignition timing control part is operable to control, according to the controlled intake air amount, ignition timing of the ignition system so as to enable the engine to output the decided final target torque, and wherein the air amount control part is operable, when an operating state of the engine falls within a supercharging region where supercharging by the compressor is performed, to restrict a reduction in the intake air amount according to a reduction in the final target torque corresponding to a change in the torque reduction amount.
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Accused Products
Abstract
The turbocharged engine control device comprises a basic target torque-deciding part for deciding a basic target torque based on a driving state of a vehicle including an accelerator pedal operation state; a torque reduction amount-deciding part for deciding a torque reduction amount based on a driving state of the vehicle other than the accelerator pedal operation state; a final target torque-deciding part for deciding a final target torque based on the decided basic target torque and the decided torque reduction amount; and an engine output control part for controlling an intake air amount so as to realize a target air amount required for an engine to output the decided final target torque, wherein the engine output control part is operable, when an operating state of the engine falls within a supercharging region, to restrict a reduction in the intake air amount corresponding to a change in the torque reduction amount.
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Citations
9 Claims
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1. A turbocharged engine control device for controlling an engine equipped with a turbocharger having a compressor provided in an intake passage, based on a driving state of a vehicle mounting the engine, the engine comprising:
- an air amount control part for controlling an intake air amount according to a target torque; and
an ignition timing control part for controlling an ignition timing of an ignition system, the turbocharged engine control device comprising;a basic target torque-deciding part for deciding a basic target torque based on a driving state of the vehicle including an accelerator pedal operation state; a torque reduction amount-deciding part for deciding a torque reduction amount based on a driving state of the vehicle other than the accelerator pedal operation state; and a final target torque-deciding part for deciding a final target torque based on the decided basic target torque and the decided torque reduction amount, wherein; the air amount control part is operable to decide a target air amount required for the engine to output the final target torque, and control the intake air amount so as to realize the decided target air amount; and the ignition timing control part is operable to control, according to the controlled intake air amount, ignition timing of the ignition system so as to enable the engine to output the decided final target torque, and wherein the air amount control part is operable, when an operating state of the engine falls within a supercharging region where supercharging by the compressor is performed, to restrict a reduction in the intake air amount according to a reduction in the final target torque corresponding to a change in the torque reduction amount. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- an air amount control part for controlling an intake air amount according to a target torque; and
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8. A turbocharged engine control device for controlling an engine equipped with a turbocharger having a compressor provided in an intake passage, based on a driving state of a vehicle mounting the engine, the engine comprising:
- an air amount control part for controlling a throttle valve according to a target torque; and
an ignition timing control part for controlling an ignition timing of an ignition system, the turbocharged engine control device comprising;an accelerator position sensor for detecting a position of an accelerator pedal of the vehicle; a steering wheel angle sensor for detecting a turning angle of a steering wheel of the vehicle; a basic target torque-deciding part for deciding a basic target torque based on an output value of the accelerator position sensor; a torque reduction amount-deciding part for deciding a torque reduction amount based on an output value of the steering wheel angle sensor; and a final target torque-deciding part for deciding a final target torque based on the decided basic target torque and the decided torque reduction amount, wherein; the air amount control part is operable to decide a target air amount required for the engine to output the final target torque, and control the throttle valve so as to realize the decided target air amount; and the ignition timing control part is operable to control, according to an intake air amount, ignition timing of the ignition system so as to enable the engine to output the decided final target torque, and wherein the air amount control part is operable, when an operating state of the engine falls within a supercharging region where supercharging by the compressor is performed, to restrict control of the throttle valve corresponding to a change in the torque reduction amount.
- an air amount control part for controlling a throttle valve according to a target torque; and
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9. A turbocharged engine control device for controlling an engine equipped with a turbocharger having a compressor provided in an intake passage, based on a driving state of a vehicle mounting the engine, the engine comprising:
- an air amount control part for controlling an intake air amount according to a target torque; and
an ignition timing control part for controlling an ignition timing of an ignition system, the turbocharged engine control device comprising;a steering wheel angle sensor for detecting a turning angle of a steering wheel of the vehicle; a basic target torque-deciding part for deciding a basic target torque based on a driving state of the vehicle including an accelerator pedal operation state; a torque reduction amount-deciding part for deciding a target additional deceleration to be added to the vehicle according to a steering speed calculated from an output value of the steering wheel angle sensor, and decide a torque reduction amount required for realizing the target additional deceleration; and a final target torque-deciding part for deciding a final target torque based on the decided basic target torque and the decided torque reduction amount, wherein; the air amount control part is operable to decide a target air amount required for the engine to output the final target torque, and control the intake air amount so as to realize the decided target air amount; the ignition timing control part is operable to control, according to the controlled intake air amount, ignition timing of the ignition system so as to enable the engine to output the decided final target torque; the air amount control part is operable, when an operating state of the engine falls within a supercharging region where supercharging by the compressor is performed, to restrict a reduction in the intake air amount according to a reduction in the final target torque corresponding to a change in the torque reduction amount, and the torque reduction amount-deciding part is operable to decide the target additional deceleration such that as the steering speed becomes larger, the target additional deceleration becomes larger, and a rate of increase of the target additional deceleration becomes smaller.
- an air amount control part for controlling an intake air amount according to a target torque; and
Specification