摘要:
A control system for an engine includes a selecting module, a target air per cylinder (APC) module, and a phaser scheduling module. The selecting module: selects one of (a) target intake and exhaust cam phaser angles and (b) measured intake and exhaust cam phaser angles; and sets selected intake and exhaust cam phaser angles based on the selected one of the target intake and exhaust cam phaser angles and the measured intake and exhaust cam phaser angles, respectively. The target APC module determines a target APC based on a target spark timing and the selected intake and exhaust cam phaser angles. The phaser scheduling module determines the target intake and exhaust cam phaser angles based on the target APC and controls intake and exhaust cam phasers of the engine based on the target intake and exhaust cam phaser angles, respectively.
摘要:
A control system for an engine includes an engine torque request module, an engine torque response module, a torque command limit module, and an actuation module. The engine torque request module determines an engine torque request based on (i) an engine power request and (ii) a desired engine speed (DRPM). The engine torque response module determines first and second torque values based on (i) an engine torque response model and (ii) first and second torque boundaries, wherein the first and second torque boundaries are based on the DRPM and a measured engine speed (RPM). The torque command limit module generates a secured engine torque request based on (i) the engine torque request and (ii) the first and second torque values. The actuation module controls at least one actuator of the engine based on the secured engine torque request.
摘要:
A powertrain control system for a vehicle includes a plurality of axle torque request modules that generate respective axle torque requests based on respective performance criteria of a vehicle, an axle torque arbitration module that generates a net axle torque request based on the plurality of axle torque requests, a plurality of propulsion torque request modules that generate respective propulsion torque requests based on respective performance criteria of an engine of the vehicle, a propulsion torque arbitration module that determines a net engine torque request based on the net axle torque request and the plurality of propulsion torque requests, and a propulsion torque control module that controls a plurality of actuators based on the net engine torque request such that the engine produces an output torque in accordance with the net engine torque request.
摘要:
An engine control system for an engine that drives a generator includes a temperature sensor that generates a temperature signal and a control module that determines a generator torque based on an engine speed and a generator characteristic. The control module determines a torque correction factor based on the temperature signal and determines a corrected generator torque based on the generator torque and the torque correction factor. Various embodiments of the invention utilize engine speed, system voltages field winding duty cycle engine temperature, ambient temperature and/or generator current.
摘要:
An engine control system includes a spark bound module that determines a bounded spark value based on a desired spark value, a torque bound module that determines a bounded torque value based on the bounded spark value and a desired torque value, and an inverse torque calculation module that determines a desired engine air value based on the bounded torque value and the square of the bounded spark value. The engine air value may be one of a desired air-per-cylinder value and a desired manifold air pressure value. The bounded spark value and the bounded torque value are determined based on one or more of a plurality of engine actuator positions. Related methods for determining the bounded spark value, the bounded torque value, and the engine air value are also provided.
摘要:
An engine control system comprises a predicted airflow module, a first actuator determination module, a first desired air module, and an actuator position module. The predicted airflow module determines a predicted engine airflow based on a desired torque. The first actuator determination module determines a first engine actuator value based on the predicted engine airflow. The first desired air module selectively determines a first desired engine air value based on the first engine actuator value and the desired torque. The actuator position module determines a desired engine actuator value based on the first desired engine air value.
摘要:
A powertrain control system for a vehicle includes a plurality of axle torque request modules that generate respective axle torque requests based on respective performance criteria of a vehicle, an axle torque arbitration module that generates a net axle torque request based on the plurality of axle torque requests, a plurality of propulsion torque request modules that generate respective propulsion torque requests based on respective performance criteria of an engine of the vehicle, a propulsion torque arbitration module that determines a net engine torque request based on the net axle torque request and the plurality of propulsion torque requests, and a propulsion torque control module that controls a plurality of actuators based on the net engine torque request such that the engine produces an output torque in accordance with the net engine torque request.
摘要:
A method of controlling a torque output of an internal combustion engine includes determining a pressure ratio, determining a reference torque based on the pressure ratio and a torque request, calculating a desired throttle area based on the reference torque and regulating operation of the engine based on the desired throttle area to achieve the desired torque.
摘要:
A method of controlling a torque output of an internal combustion engine includes determining a pressure ratio, determining a reference torque based on the pressure ratio and a torque request, calculating a desired throttle area based on the reference torque and regulating operation of the engine based on the desired throttle area to achieve the desired torque.
摘要:
A torque control system for an engine includes a first module that estimates a first engine torque based on an air-per-cylinder (APC) value and a second module that estimates a second engine torque based on a manifold absolute pressure (MAP). A third module determines a desired MAP based on the first engine torque and the second engine torque. A throttle opening is regulated based on the desired MAP.