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7623955 |
Method for estimation of indicated mean effective pressure for individual cylinders from crankshaft acceleration
A method for inferring Indicated Mean Effective Pressure as total transient indicated engine torque in an internal combustion engine, comprising the steps of acquiring at least one crankshaft time...
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7614384 |
Engine torque control with desired state estimation
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...
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7606655 |
Cylinder-pressure-based electronic engine controller and method
An engine data acquisition and control system measures cylinder pressure at a high degree of resolution and then processes it for portions of the combustion cycle of interest for performing...
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7606652 |
Torque based crank control
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)...
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7599784 |
Fuel injection system learning average of injection quantities for correcting injection characteristic of fuel injector
A fuel injection system designed to execute a learning operation to spray fuel through a fuel injector in a cycle to calculate an average of actual injection quantities for correcting an injection...
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7594495 |
Electronic throttle valve control system and two-wheeled motor vehicle
An electronic throttle valve control system prevents rapid rotation of a throttle valve when the control system has a failure. A throttle valve controls the amount of intake air to an internal...
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7593804 |
Fixed-point virtual sensor control system and method
One aspect of the present disclosure includes a method for a control system of a machine. The method may include establishing a virtual sensor model indicative of interrelationships between at...
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7589656 |
Crankshaft-synchronous detection of analog signals
Synchronization of the angle position of the crankshaft of a motor vehicle with the internal clock of a engine control device is often imprecise and complicated and is often fraught with...
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7587268 |
Control system for internal combustion engine
A control system for an internal combustion engine, which is capable of ensuring excellent fuel economy of the engine and enhancing the responsiveness of the output of the engine when acceleration...
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7567866 |
Fuel injection control device
A fuel injection control device of an internal combustion engine capable of using multiple kinds of fuel includes an ECU with a ROM for storing multiple reference fuel injection quantity maps...
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7565236 |
Airflow estimation method and apparatus for internal combustion engine
A method of estimating an air charge in at least one combustion cylinder of an internal combustion engine includes calculating cylinder mass air flow based upon a modified volumetric efficiency...
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7564344 |
Tire pressure monitoring system plant learning
A method and system of teaching identification codes for a tire pressure monitoring system includes the steps of transmitting a prompt signal that includes a location identifier. This prompt signal...
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7559194 |
Method and device for controlling the injection of reducing agent
The invention relates to a method and device ( 10 ) for controlling the injection of reducing agent upstream from a catalyst ( 4 ) in an exhaust line ( 2 ) from a combustion engine. According to...
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7558669 |
Engine controller system and method employing high speed angular position sensor
A control system and method for controlling a vehicle system, such as an engine, is taught. The controller uses the angular position of a rotating component, and in particular the angular phase of...
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7552007 |
Calibration systems and methods for scheduled linear control algorithms in internal combustion engine control systems using genetic algorithms, penalty functions, weighting, and embedding
A method for calibrating an engine control system includes identifying engine calibration sub-problems for an engine calibration; seeding an initial generation for one of the engine calibration...
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7546200 |
Systems and methods for determining and displaying volumetric efficiency
A system for determining and displaying a volumetric efficiency of an engine of an automobile includes an aftermarket display unit configured for installation into the automobile and a controller,...
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7546198 |
Dynamic noise-reduction baselining for real-time spectral analysis of internal combustion engine knock
A real-time, dynamic method for creating a body of cycle-and-cylinder-specific noise-reduction baseline data useable in conjunction with analyzing the engine-knock behavior of a subject internal...
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7530220 |
Control strategy for reducing fuel consumption penalty due to NOx adsorber regeneration
A method for enabling initiation of regeneration of a NOx adsorber catalyst. While the engine is operating to propel the vehicle, data indicative of NOx adsorption efficiency of the NOx adsorber...
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7522987 |
Fuel injection control system
An apparatus aims at learning a deviation from a reference injection characteristic of a fuel injector provided for a cylinder of an engine having an output shaft. In the apparatus, a detecting...
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7512477 |
Systems and methods for guiding operators to optimized engine operation
System and methods provide information to an operator of an engine such that the engine operates with optimal performance, such as maximal fuel efficiency. Such a system may include a plurality of...
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7505847 |
Configurable electronic control system and diagnostic method
A configurable electronic controller system used for signal acquisition of input sensors and control of output loads, connected respectively to the configurable controller, can be re-configured to...
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7493206 |
Method and apparatus to determine instantaneous engine power loss for a powertrain system
There is provided a method and an article of manufacture comprising a storage medium having machine-executable code stored therein for estimating a power loss for an internal combustion engine at a...
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7490596 |
Device and method of controlling exhaust gas sensor temperature, and recording medium for exhaust gas sensor temperature control program
A control input (DUT) for controlling a heater ( 13 ) which heats an active element ( 10 ) of an exhaust gas sensor ( 8 ) includes at least one of another component depending on the difference...
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7489999 |
Control apparatus and control method for variable valve apparatus
In an engine provided with a valve lift amount variable mechanism and a center phase variable mechanism for an intake valve, a region between a region where a flow rate of an intake air passing...
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7487034 |
Device and method for reducing the contamination of a sensor
With devices and methods for reducing the contamination of a sensor, a sensor or sensor element—preferably a hot film air-mass meter—is deactivated when a software function integrated in the...
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7487032 |
Engine control system
An engine control system, which is adaptable for individual differences among engines, changes with time, environmental changes, etc., and which can control engine torque with high accuracy and...
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7487030 |
Method and apparatus to optimize engine warm up
There is provided a method and an apparatus to minimize energy loss of an internal combustion engine during engine warm-up. This includes monitoring engine operating conditions, and estimating a...
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7483782 |
Method of estimating the fuel/air ratio in a cylinder of an internal-combustion engine by means of an adaptive nonlinear filter
The present invention relates to a method of estimating the fuel/air ratio in each cylinder of an injection internal-combustion engine comprising an exhaust circuit on which a detector measures the...
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7472017 |
Method and control device for triggering solenoid valves assigned to gas-exchange valves
A method for triggering solenoid valves assigned to gas-exchange valves in an electrohydraulic valve activation of an internal combustion engine having a plurality of combustion chambers. The...
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7469181 |
High load operation in a homogeneous charge compression ignition engine
A homogeneous charge compression ignition engine is set up by first identifying combinations of compression ratio and exhaust gas percentages for each speed and load across the engines operating...
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7467041 |
Workload calculation apparatus and method for internal combustion engine, and engine control unit
A workload calculation apparatus and method for an internal combustion engine, and an engine control unit are provided for accurately calculating a workload parameter indicative of the workload of...
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7463995 |
Systems and methods for detecting suction valve closure
This invention relates generally to the application of an algorithm to calculate a line that intersects a dynamic pressure waveform at two points. These points represent the point immediately prior...
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7463969 |
Control device and control method for engine
An estimated quantity of soot deposited near a movable part of a variable capacity mechanism and an estimated quantity of soot burnt off therefrom are determined in advance in accordance with...
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7463967 |
Direct injection gaseous-fuelled engine and method of controlling fuel injection pressure
An engine operating method and a direct injection gaseous fuelled system directly injects a gaseous fuel into a combustion chamber during a compression stroke, commands gaseous fuel injection...
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7457700 |
Method and device for operating an internal combustion engine
A method and a device for operating an internal combustion engine provide that a value for a first performance quantity of the internal combustion engine is modeled as a function of at least one...
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7451037 |
Learning method of injection characteristic and fuel injection controller
A learning time counter is started and updated if an operation state is stabilized after shifting to a certain operation range. Then, convergence of a FCCB correction value of a variation in an...
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7444228 |
Data processor for processing pieces of data being successively sampled at intervals
In a data processor for processing pieces of input data successively sampled, a memory unit and a plurality of data transferring units for transferring data are provided. Each of the plurality of...
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7440840 |
Ecological driving system
There is a need for making a user fully conscious about environmentally friendly driving. In an ecological driving system, a CPU allows a display apparatus to distinctively display fuel consumption...
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7437236 |
Method for customizing the properties of a drive assembly in motor vehicles
The object of the invention is to customize the properties of the drive assembly of motor vehicles comprising an intake system, an exhaust system, and/or an internal combustion engine. For this...
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7433777 |
Engine protection system and method for construction machine
An engine protection system for a construction machine can individually diagnose the exhaust temperature specific to each cylinder of an engine corresponding to an engine revolution speed in order...
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7430470 |
Method for managing a transportation fleet
A portable memory device used in substitution of an automobile key and interfaced with an automobile onboard computer and ignition system. The portable memory device contains data that, when read...
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7424362 |
Apparatus and method for reading adaptive values out of motor vehicle control devices
A device and a method for reading out adaptation values of self-adapting functions from a motor vehicle control unit to an external readout unit are provided. The device consists of a motor vehicle...
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7415343 |
Engine controller
Respective positive terminal electric potentials of exhaust gas sensors are sequentially selectively inputted to an analog input terminal of a multi-channel AD converter through a multiplexer. An...
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7409285 |
Homogeneous charge compression ignition engine operation
An HCCI engine is operated by controlling a plurality of engine operating parameters in accordance with a calibration data set representing equilibrium set-points of engine operation characterized...
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7392128 |
Method and device for bidirectional single-wire data transmission
A device and a method are described for bidirectional single-wire data transmission of information between a control unit and at least one peripheral unit, having the following steps: generating a...
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7389177 |
Signal transfer system for distributing engine position signals to multiple control modules
A signal transfer system for regulating operation of an internal combustion engine includes a shaft that is rotatably driven within an engine. A sensor is responsive to the rotation of the shaft...
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7386389 |
Method and system for determining the driving situation
A method and a system for ascertaining the driving situation of a motor vehicle by using data provided in the vehicle indicating the value of at least one state variable of the vehicle are...
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7383120 |
Methods and apparatus for adjusting frequency and/or PWM-based sensors
A sensor module adjustment circuit includes a device have a position between minimum and maximum positions. First and second position sensors sense the position of the device and generate first and...
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7373241 |
Airflow correction learning using electronic throttle control
A correction system and method for an electronic throttle control includes a generator module that generates a learned-correction value corresponding to a first air-learn index. The...
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7357123 |
Electromagnetic actuator, fuel injection valve, method of controlling fuel injection valve, and method of driving the same
Information storage element 102 and transmitter-receiver 103 are molded in resin connector part 101 of fuel injection valve 100 which projects outside of the engine by molding. The precise...
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