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6688281 Engine speed control system  
A method of controlling the engine speed of an internal combustion engine, the method providing the steps of determining the speed of the engine at a given time, determining the change in the speed...
6688284 Throttle controller  
A throttle controller is provided which can control an engine revolution into the target engine revolution without being influenced by a load of an air conditioner compressor during speed change to...
6688282 Power-based idle speed control  
A system and method are disclosed for regulating engine idle speed by coordinating control of two actuators: a slow actuator and a fast actuator. The slow actuator is preferably a throttle valve...
6687603 Assist control apparatus for hybrid vehicle  
In an assist control apparatus for a hybrid vehicle comprising an engine as a drive source of the vehicle, and a motor assisting drive of the engine in accordance with driving conditions of the...
6687602 Method and apparatus for adaptable control of a variable displacement engine  
A control system for controlling the displacement of a variable displacement internal combustion engine including measuring a variable indicative of torque for the variable displacement internal...
6687580 Vehicle controller and vehicle control method  
A vehicle controller includes a plurality of driving power sources for transmitting torque to a wheel, and a starter for starting a first driving power source of the plurality of diving power...
6684151 Method for monitoring an internal combustion engine  
A method of monitoring an internal combustion engine by continuously computing pressure values of the cylinders from current parameters of the engines by using a mathematical model. At each point...
6681196 Method and device for determining the absolute angle of rotation of an object that is rotating about an approximately horizontal rotational axis  
A method for determining an absolute rotational angle of an object that is rotating about an approximately horizontal rotational axis, includes steps of: determining a change in a rotational angle...
6678608 Robust interpolation method for improved automative engine control during transient engine operation  
A system ( 12 ) and method for determining a value for a control variable for an engine ( 10 ) are provided. The system ( 12 ) includes an electronic control unit (ECU) ( 62 ) configured to obtain...
6678631 Vehicle attitude angle estimator and method  
An attitude angle estimator and method of estimating attitude angle of a vehicle having an angular attitude rate sensor sensing angular attitude rate of a vehicle, a vertical accelerometer sensing...
6678605 Control system for internal combustion engine  
An engine control system for diminishing driveline vibrations extracts resonant frequency component coincident in frequency with a driveline resonant vibration according to a gear ratio of a...
6672284 Fuel supply amount control apparatus for internal combustion engine  
When control conditions are satisfied, an A/F value is estimated from an average value of rotation speed Ne and an increasing rotation speed ΔNe calculated. The estimated A/F value as a base is...
6675087 Method and system for scheduling optimal compression ratio of an internal combustion engine  
A method of operating a variable compression internal combustion engine in a motor vehicle includes the steps of determining a driveline surge based at least in part on operating parameters of the...
6671608 Vehicle clock tampering detector  
A system, storage medium, and method for controlling an engine in a vehicle which provides the operator with a particular operating capability for a specified time period, which time period is...
6671610 Process and device for electronically controlling actuators of a combustion engine with variable gas exchange control  
In a process and a device for electronically controlling actuators of a combustion engine with variable gas exchange control using a suction pipe pressure model where the connection between the...
6671614 System and method for engine data trending and analysis  
A system and method for monitoring engine operating data include monitoring various engine operating parameters and periodically storing engine data when corresponding criteria are met. In one...
6666199 Control device of internal combustion engine and method of judging failure of sensor  
In a control device, in a control device of an internal combustion engine provided with an internal combustion engine main body mounted to a vehicle and a heater operating on the basis of an output...
6665607 Method and device for controlling an internal combustion engine  
A method and a device are described for controlling an internal combustion engine. A manipulated variable is specifiable on the basis of at least one measured quantity. The measured quantity is...
6659080 Methods and apparatus for adjusting a throttle of a vehicle engine  
Methods and apparatus are provided for adjusting a throttle of a vehicle engine. The apparatus comprises an input sensor configured to provide an input signal having a value that approximately...
6654678 Torque-based low idle governor  
An engine control system ( 10, 12 ) and method for improving stability of engine running speed when torque subtractions (TTS) from gross torque change while the engine ( 14 ) is running at a...
6652417 Engine controlling apparatus and method for a car  
An engine output is controlled by controlling an electronically controlled throttle valve based upon an objective engine torque that is set by referring to an engine torque map having data of an...
6633811 Method of automatically adjusting a vehicle speed display according to vehicle location  
The method for displaying speed variables in a motor vehicle includes automatically selecting and displaying one of a number of different possible speed scales on a speedometer according to the...
6622080 Tracking control for electronic throttle systems  
An electronic throttle controller ( 200 ) includes a feedforward control ( 222 ), a PID ( 224 ), a sliding mode control ( 226 ) and an adder ( 230 ). The PID ( 224 ) is capable of generating a...
6618665 Cold start pulse width compensation  
An internal combustion engine control system processes data to develop desired fueling data representing a desired amount of fuel that is to be injected into the engine for combustion. The desired...
6615797 Engine speed control device and method  
There is described a control device for controlling the speed of an engine of a vehicle, and having a tracer block which receives a target engine speed indicating the desired engine speed, and a...
6615129 Apparatus and method for two-step intake phased engine control system  
An engine control system for use with an internal combustion engine includes a two-step switching device associated with each intake valve. The two-step switching device is switchable between a...
6609498 Target wheel tooth detection  
A method and apparatus for determining the switching states of a target wheel used in an internal combustion engine, the method including providing a camshaft, providing a target wheel having teeth...
6606552 Control device for final control elements of an internal combustion engine, control unit for actuator drives of an internal combustion engine and a method for controlling an internal combustion engine  
A control device for an internal combustion engine has a device for generating control commands for controlling final control elements in accordance with at least one measured value. The control...
6600413 Automobile efficiency meter  
Disclosed herein is an automobile efficiency meter which is capable of defining an optimistic efficiency zone by analyzing a speed-frequency (S-hz) variable and an engine revolution-frequency...
6600989 Apparatus and method for early intake valve closing  
A method for early intake valve closing in an internal combustion engine having a crankshaft and at least one exhaust valve, the crankshaft having a top dead center position and a bottom dead...
6591808 Adaptive PID control method and system for internal combustion engine rotation speed pulsation damping  
Within both a method for operating an internal combustion engine and a system for operating the internal combustion engine there is provided an engine rotation speed pulsation damping within the...
6571768 Vehicle deceleration force control device and control method thereof  
A vehicle deceleration force control device of the invention reduces deceleration force (assist braking force) during implementation of engine brake assist control over a predetermined time (t 2 -t...
6574542 Dynamic technique for using corrective braking/accelerating actions on vehicles  
A method utilizing continual sensor-based data to design an adjustable set of corrective braking/accelerating actions for a vehicle. The invention capabilities include cognizance of the dynamic...
6574546 Apparatus for learning full-closed position of accelerator pedal and method of the same  
The technique of the present invention enables a full closed position of an accelerator pedal to be learnt with a high accuracy. More specifically the arrangement of the invention effectively...
6567711 Observer-corrector control system for systems with unmodeled dynamics  
A system for extracting a signal component from an output signal of a dynamic system. The system comprises a state observer and a corrector filter. The state observer is adapted to track a signal...
6564109 Methods and systems for compensation of measurement error  
Methods and systems for reducing or removing the effect of measurement error so that an actual engine operates closer to optimum are described. In an exemplary embodiment, the method includes the...
6560526 Onboard misfire, partial-burn detection and spark-retard control using cylinder pressure sensing  
A method is disclosed for detecting misfire or partial burn and for controlling spark retard in the cylinders of an internal combustion engine operated under the control of a microprocessor and...
6553306 System for controlling engine braking in a vehicle driveline  
Engine braking in a vehicle driveline during transmission upshifts is controlled to provide more efficient and accurate speed synchronization. The physical limitations on the engine brake...
6546329 System for controlling drivetrain components to achieve fuel efficiency goals  
A system for controlling a vehicle drivetrain in a fuel-efficient manner includes, in one embodiment, a control computer operable to determine a number of engine load/engine speed boundary...
6546328 Knock and misfire detection system  
The invention relates to a system for detection of combustion anomalies in an internal combustion engine, and includes a crank angle indicator, a vibration sensor, and a signal processor, wherein...
6542073 System and method for sensing vehicle rollover  
A rollover sensing system ( 10 ) includes a roll rate sensor ( 14 ) operative to sense a roll rate of rotation of a vehicle ( 12 ) and to provide a roll rate signal having an electrical...
6535799 Dynamic technique for using corrective actions on vehicles undergoing excessive turns  
A method including providing force and acceleration sensors in a vehicle-enclosing device; transmitting data produced by the sensors during actual operation of the vehicle-enclosing device attached...
6530360 Electronic control apparatus of internal combustion engine  
Electronic control apparatus including a V-type multi-cylinder internal combustion engine having right and left banks of cylinders 1 a and 1 b , a crank-angle detecting device 12 for a...
6529816 Evolutionary controlling system for motor  
In an output controlling method for controlling output of a driving power source or motor installed in a vehicle, the relationship between a primary output-controller, which is manipulated by the...
6516253 Engine ready detection using crankshaft speed feedback  
The present invention provides a method and system for determining “engine on” status in a Hybrid Electric Vehicle. A controller determines the engine is necessary and then checks the current...
RE37966 Computer unit for a control device in a motor vehicle  
The computing unit generates an output signal for controlling a function of the motor vehicle. The processing specification that is stored in a ROM of the computing unit, and with which, in...
6470854 Air-fuel ratio control with improved fuel supply operation immediately after complete combustion of mixture  
In an air fuel ratio control for engines, a target operation characteristic of engine speed is set based on a coolant temperature when the engine starts cranking. The target engine speed is...
6473684 Constant vehicle speed maintaining device for motorcycle  
To provide an auto-cruise canceling device for maintaining a good operating response of the vehicle. A DC servo-motor is used as an actuator for regulating a throttle opening during auto-cruising....
6456925 Vehicle driven wheel speed control system  
A control system controls the speed of the driven wheels of a vehicle having an operator controlled steering wheel, an operator controlled speed command device, steerable wheels and driven wheels....
6442472 Modification of pedal progression with acceleration feedback using electronic throttle control  
A method and apparatus for controlling the throttle position of a vehicle by modifying the pedal to throttle progression typically used by the electronic throttle controller to a throttle...