| Patent Number |
Title Of Patent |
Date Issued |
| 8280612 |
Multi-pulse enable determination and transition control systems and methods |
October 2, 2012 |
| A coordinated torque control (CTC) system is provided that includes an engine capacity module, a multi-pulse enable module, and a catalyst light off torque reserve module. The engine capacity module determines a torque capacity of an engine and generates a maximum engine torque capacity |
| 8195370 |
Association of torque requesting modules in a coordinated torque architecture |
June 5, 2012 |
| 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 p |
| 8116954 |
RPM to torque transition control |
February 14, 2012 |
| An engine control module comprises a torque control module, an engine speed (RPM) control module, and an actuator module. The torque control module determines a first desired torque based on a requested torque. The RPM control module selectively determines a second desired torque based |
| 8041487 |
Commanded and estimated engine torque adjustment |
October 18, 2011 |
| An engine control system comprises first and second integral modules, a summer module, and a torque adjustment module. The first integral module determines an engine speed (RPM) integral value based on a difference between a desired RPM and a measured RPM. The second integral module |
| 8014938 |
Fuel efficiency determination for an engine |
September 6, 2011 |
| A module that calculates power loss for an internal combustion engine includes an air intake calculation module that determines a final air per cylinder (APC) value. A fuel mass rate calculation module that determines a fuel mass rate value based on the final APC value. A power loss |
| 7980221 |
Inverse torque model solution and bounding |
July 19, 2011 |
| 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 |
| 7885756 |
Multi-pulse spark ignition direct injection torque based system |
February 8, 2011 |
| A control system is provided and includes a catalyst module that generates a multi-mode enable signal based on a catalyst light off enable signal. A transition control module controls transitions between a single pulse mode and multi-pulse mode based on the multi-mode enable signal. The |
| 7878175 |
Torque reserve and emission control system for coordinated torque control |
February 1, 2011 |
| A coordinated torque control system includes a catalyst module that generates a multi-mode enable signal based on a catalyst light off enable signal. A torque reserve module generates a torque reserve signal based on the multi-mode enable signal, an engine speed signal and an air per |
| 7870843 |
Torque control system with scavenging |
January 18, 2011 |
| An engine control system includes a scavenging module that generates a scavenging signal when both a driver torque request is greater than a predetermined torque threshold and a rotational speed of an engine crankshaft is less than a predetermined speed threshold. A cam phaser contro |
| 7856304 |
Engine torque control |
December 21, 2010 |
| A method of achieving a desired torque output of an internal combustion engine includes determining a first air-per-cylinder (APC) value based on a first APC relationship and determining a second APC value based on a second APC relationship. An APC error is determined based on the second |
| 7822528 |
Full range torque reduction |
October 26, 2010 |
| An engine control system comprises a torque request module, an immediate torque control module, an actuation module, and an expected torque control module. The torque request module generates an expected torque request and an immediate torque request. The immediate torque control mod |
| 7797096 |
Torque estimation of engine driven generator |
September 14, 2010 |
| 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 cor |
| 7788024 |
Method of torque integral control learning and initialization |
August 31, 2010 |
| A torque control system comprises a torque correction factor module, a RPM-torque transition module, and a selection module. The torque correction factor module determines a first torque correction factor and a second torque correction factor. The RPM-torque transition module stores |
| 7698049 |
Speed control in a torque-based system |
April 13, 2010 |
| An engine control system includes a power module, an air flow module, a torque estimation module, and an air control module. The power module determines a power-based torque based on a desired engine speed. The air flow module determines an air flow value based on the power-based torque. |
| 7650219 |
Reserve torque management for engine speed control |
January 19, 2010 |
| An engine control module comprises a base reserve module, a power steering reserve module, a reserve torque module, first and second engine actuator modules, and an engine speed control module. The base reserve module determines a base reserve torque. The power steering reserve module |
| 7614384 |
Engine torque control with desired state estimation |
November 10, 2009 |
| 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 determin |
| 7606652 |
Torque based crank control |
October 20, 2009 |
| A control system and method of regulating operation of an engine includes a minimum torque module that determines a torque request based upon at least two of measured revolutions per minute (RPM) of an engine, a barometric pressure, and a coolant temperature of the engine. A first en |
| 7463970 |
Torque based engine speed control |
December 9, 2008 |
| A method of achieving a desired engine speed of an internal combustion engine includes determining the desired engine speed, calculating a slow response torque value based on the desired engine speed and calculating a fast response torque value based on the desired engine speed. A slow |
| 7440838 |
Torque based air per cylinder and volumetric efficiency determination |
October 21, 2008 |
| A method of regulating operation of an internal combustion engine includes monitoring a manifold absolute pressure (MAP) of the engine, determining an engine torque based on the MAP, estimating an air per cylinder (APC) based on the torque, determining a volumetric efficiency of the engi |
| 7433775 |
Engine torque control at high pressure ratio |
October 7, 2008 |
| 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 |
| 7395147 |
Torque control of turbocharged engine |
July 1, 2008 |
| An engine system includes an engine having an intake manifold and a turbocharger that supplies compressed air to the intake manifold. An engine control module calculates a desired pre-throttle pressure of air before the throttle and calculates a desired manifold air flow into the eng |
| 7069905 |
Method of obtaining desired manifold pressure for torque based engine control |
July 4, 2006 |
| 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 b |
| 7021282 |
Coordinated engine torque control |
April 4, 2006 |
| A torque control system for regulating operation of an engine includes a throttle that regulates air flow into the engine and a device that regulates a torque output of the engine. A first module determines a throttle area based on a desired manifold absolute pressure (MAP) and a des |
| 7000589 |
Determining manifold pressure based on engine torque control |
February 21, 2006 |
| A torque control system for an engine includes a throttle plate having an adjustable throttle position to regulate a first mass air flow into the engine. A control module determines a first mass air flow into the engine and monitors an engine speed. The control module calculates a volume |
| 6968824 |
Determining manifold pressure based on engine torque control |
November 29, 2005 |
| A torque control system for an engine includes a throttle plate having an adjustable throttle position to regulate a first mass air flow into the engine. A control module estimates a previous volumetric efficiency of the engine based on a previous manifold absolute pressure (MAP) and det |
| 6966287 |
CAM phaser and DOD coordination for engine torque control |
November 22, 2005 |
| A torque control system for regulating operation of a displacement on demand engine that is operable in an activated mode and a deactivated mode includes a throttle that regulates air flow into the engine and a cam phaser that regulates a torque output of the engine. A first module d |
| 6947824 |
Engine RPM and torque control transition |
September 20, 2005 |
| Internal combustion engine control is generally in accordance with RPM and torque modes. Transition from RPM to torque control is accomplished by employing a mass airflow term accounting for any nonequivalence between RPM mode and torque mode mass airflows corresponding respectively to a |
| 6895946 |
Torque control of supercharged engine |
May 24, 2005 |
| An engine system includes an engine having an intake manifold and a supercharger that supplies compressed air to the intake manifold. An engine control module calculates a desired pre-supercharged pressure of air into the supercharger and calculates a desired manifold air flow into t |
| 6840215 |
Engine torque control with desired state estimation |
January 11, 2005 |
| An engine control system and method according to the invention controls torque in an internal combustion engine. Engine parameters are measured and an engine torque is estimated. A desired air per cylinder of the engine is calculated. A desired manifold absolute pressure of a manifold |
| 6761146 |
Model following torque control |
July 13, 2004 |
| A torque control system for a vehicle including an internal combustion engine, an electronic throttle coupled to the internal combustion engine, a powertrain controller controlling the electronic throttle, a first control loop operating in the powertrain controller including a feed f |
| 6704638 |
Torque estimator for engine RPM and torque control |
March 9, 2004 |
| An engine toque estimator according to the invention includes a vehicle data bus that provides a plurality of engine operating inputs including at least one of engine RPM, spark and a dilution estimate. A steady state torque estimator communicates with the vehicle data bus and generates |
| 6405587 |
System and method of controlling the coastdown of a vehicle |
June 18, 2002 |
| A method of controlling the coastdown of a vehicle is provided. A base engine speed reference is determined. A speed of the vehicle is sensed, and a target engine speed is generated from the base engine speed reference and the speed of the vehicle. An actual engine speed is sensed, a |
| 6305350 |
Engine speed control |
October 23, 2001 |
| An idle control system for internal combustion engines providing load rejection and/or load compensation for a given engine. speed reference and barometric pressure wherein the present invention accommodates for varying engine speed references and for varying barometric pressures, such a |
