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7552005 Method for fault diagnosis of a turbine engine  
A method of diagnosing a turbine engine includes the steps of acquiring engine operating parameters; calculating corresponding engine residual values; computing the mean and the standard deviation...
7536244 Failure diagnostic apparatus and method for an air-fuel ratio sensor  
A failure diagnostic apparatus is provided with an offset power source for offsetting a ground-side voltage of an air-fuel ratio sensor, an activation state judging unit for judging whether the...
7469177 Distributed control architecture for powertrains  
Systems and methods for controlling automotive powertrains using a distributed control architecture are disclosed. A distributed control system may include a supervisory control unit for...
7444230 Fuel injector having algorithm controlled look-ahead timing for injector-ignition operation  
The present invention provides an injector-ignition fuel injection system for an internal combustion engine, comprising an ECU controlling a heated catalyzed fuel injector for heating and...
7440839 Method and associated device for sensing the air/fuel ratio of an internal combustion engine  
A method of sensing the air/fuel ratio in a combustion chamber of an internal combustion engine that may be easily implemented by a respective low-cost device includes a pressure sensor and a...
7432005 Model-based feed-forward control system for power (or current) in a fuel cell system  
A control system and method controls an output of a fuel cell. A fuel cell stack controller that receives an output request signal and that generates an oxidant request signal and a fuel request...
7430483 Method and apparatus for diagnosing a mechanism  
A method of analyzing variations in an indicator of the behavior of a mechanism, in which noise is extracted, and any discontinuities from an indicator in order to obtain a trend, variations in the...
7409283 Control system for plant and internal combustion engine  
There is provided a control system for a plant and an internal combustion engine, which is capable of enhancing controllability and control accuracy in controlling a plurality of control amounts...
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...
7369935 Soft-computing method for establishing the heat dissipation law in a diesel common rail engine  
A soft-computing method for establishing the dissipation law of the heat in a diesel Common Rail engine, in particular for establishing the dissipation mean speed (HRR) of the heat, includes the...
7369933 Simple engine fuel controller  
An electronic engine fuel controller that is simple, low cost, easily installed, and configurable for any internal combustion engine. The system is intended for upgrading older carbureted vehicles...
7353788 Fuzzy logic based cam phaser control  
A method of controlling a valve of a cam phaser of an internal combustion engine includes determining a delta duty cycle from a position error and a rate of change of error (error dot). A fuzzy...
7346592 Method and an apparatus for predicting intake manifold pressure of an internal-combustion engine  
A method and an apparatus for predicting intake manifold pressure are presented, to compensate for a large lag or a large time delay without producing an overshot or discontinuous behaviors of a...
7305298 Charge motion control valve fuzzy logic diagnostic  
A method of diagnosing a malfunction of a charge motion control valve coupled to an intake manifold of an internal combustion engine is provided. The method includes: commanding the valve to at...
7266439 Fuel property-adaptive engine control system with on-board fuel classifier  
A fuel property adaptive control system for controlling the performance of an engine, such as an internal combustion engine. An on-board fuel classifier classifies the fuel that the engine is...
7255087 Method for controlling an injection system of an internal combustion engine  
A method for controlling an injection system of an internal combustion engine having at least one injector, the fuel metering being divided into a first partial injection and at least one second...
7216071 Hybrid gas turbine engine state variable model  
The present invention relates to a system and a method for developing an engine model. The system broadly comprises a module for generating a state variable model of an engine, which module...
7181334 Method and apparatus to diagnose intake airflow  
An engine control system including an engine controller, a plurality of sensors coupled to the engine controller, and a neural network operating in the engine controller, and where upon failure of...
7171950 Method and device for determining the pressure in the combustion chamber of an internal combustion engine, in particular a spontaneous ignition engine, for controlling fuel injection in the engine  
A method is described for controlling fuel injection in an spontaneous ignition engine equipped with an electronically controlled fuel injection system and with an electronic control unit receiving...
7162358 Fault detection system and method for detecting a faulty temperature sensor in motor vehicles  
An error detection system is provided for identifying a defective temperature sensor in motor vehicles including an internal combustion engine and at least one electronic control unit that is...
7120533 Soft-computing method for establishing the heat dissipation law in a diesel common rail engine  
A soft-computing method for establishing the dissipation law of the heat in a diesel Common Rail engine, in particular for establishing the dissipation mean speed (HRR) of the heat, includes the...
7103466 Method and an apparatus for predicting intake manifold pressure of an internal-combustion engine  
A method and an apparatus for predicting intake manifold pressure are presented, to compensate for a large lag or a large time delay without producing an overshot or discontinuous behaviors of a...
6993427 Combustion state estimating apparatus for internal combustion engine  
A combustion state estimating apparatus for estimating the state of combustion in an internal combustion engine includes an angular acceleration calculator that calculates a crank angle...
6944531 Air flow sensor failure determination apparatus and method  
An air flow sensor failure determination apparatus for determining a failure of an air flow sensor for an internal combustion engine in which an air flow sensor, a throttle and a pressure sensor...
6910156 Method and system for diagnosing a technical installation  
A diagnostic method and system for a technical installation establish the cause of a fault event. A reliable, flexible and simple possible way of diagnosing an installation is provided by placing...
6876919 Cylinder specific performance parameter computed for an internal combustion engine  
A method for estimating a cylinder specific performance parameter for a specific cylinder of an internal combustion engine for each firing attempt, which relies on production sensors commonly...
6868329 Control method of EGR system of engine  
A control method of an EGR system of an engine capable of effectively performing an EGR control at a time of rapid acceleration. For this purpose, an intake air flow rate of the engine is obtained,...
6820600 Method for controlling an engine with an EGR system  
A method for controlling an internal combustion engine ( 10 ) is provided. The engine ( 10 ) includes an exhaust gas recirculation (EGR) system ( 18, 20 ). The method includes determining an air...
6805099 Wavelet-based artificial neural net combustion sensing  
A method and apparatus for real-time measurement of combustion characteristics of each combustion event in each individual cylinder coupled with an ability to control the engine based upon the...
6760658 Exhaust emission control system for internal combustion engine  
An exhaust emission control system for an internal combustion engine having an exhaust system is disclosed. The control system may include an exhaust gas purifying device provided in the exhaust...
6721647 Method for evaluation of a genetic algorithm  
A technique for estimating the best children (i.e. the next generation of individual chromosomes) for use by an online genetic analyzer (GA) is described. One embodiment provides a method for...
6714852 Observer for engine crankshaft torque  
An engine crankshaft torque observer ( 10 ) and method of operation. An engine combustion process ( 14 ) is modeled ( 26 ) to develop modeled pressure estimates of combustion chamber pressures in...
6687554 Method and device for controlling optimization of a control subject  
Optimization control of a control system by improving evolution efficiency while retaining the advantages of genetic optimization is described. An optimizer for evolving control parameters...
6687597 Neural control system and method for alternatively fueled engines  
A powertrain controller of a vehicle provides fuel injection pulses based on gasoline operation. The pulse widths of the fuel injection pulses are modified with reference to air temperature, engine...
6609060 System for intelligent control of an engine based on soft computing  
A reduced control system suitable for control of an engine as a nonlinear plant is described. The reduced control system is configured to use a reduced sensor set for controlling the plant without...
6519582 Process and device for controlling at least two production units  
The invention relates to a process for controlling at least two production units whose outputs are connected in parallel in order to produce a common output flow which is intended to feed a...
6484694 Method of controlling an internal combustion engine  
A method of controlling an internal combustion engine includes determining the pressure within the cylinder with a pressure sensor which samples at specific positions of the piston indicating the...
6466859 Control system  
An improved control system for controlling a machine such as a fuel injection system and a robot system. In a primary feature, the control system comprises means for actuating the subject, a...
6460408 Method for determining relevant variables representing the pressure in the cylinders of an internal combustion engine  
A method for determining internal pressure in the cylinders of an internal combustion engine by measuring and analyzing structure borne noise signals using a neural network.
6405122 Method and apparatus for estimating data for engine control  
A data estimation capability using a FNN to estimate engine state data for an engine control system is described. The data estimation capability provides for making data relating to the engine...
6394064 Method for operating a four-stroke internal combustion engine  
In a method for operating a four-stroke internal combustion engine, a homogeneous lean basic mixture of air and fuel is ignited by compression ignition. The fuel is introduced by direct fuel...
6397113 Integrated control system  
An integrated control system for a machine such as an engine. The machine is composed of plurality of components such as a throttle valve and a fuel injector. The control system has a plurality of...
6314342 Method and system for optimizing operation of vehicle control systems based on the dynamics of the vehicle  
A method and system for optimizing performance of vehicle control systems based on the dynamics of the specific vehicle include a sensor for sensing a predetermined parameter associated with any...
6292738 Method for adaptive detection of engine misfire  
An engine misfire detection system (10) for detecting engine misfire. System (10) includes a conventional controller (12) having a memory unit (14) and a plurality of sensors (16). Controller (12)...
6289275 Neural network based transient fuel control method  
A system and method for use in a motor vehicles is disclosed for calculating a fuel multiplier during transient engine operation. The fuel multiplier modifies the amount of fuel released from a...
6272426 Predicting cylinder pressure for on-vehicle control  
An apparatus for predicting cylinder pressure for on-vehicle control of an internal combustion engine includes a piston sensor, a cylinder pressure sensor, and a controller. The piston sensor is...
6236908 Virtual vehicle sensors based on neural networks trained using data generated by simulation models  
A virtual vehicle sensor includes a neural network which produces a sensor output based on a linear combination of non-linear physical signals generated by conventional physical sensors. Instead of...
6122589 Fuel injection control system for engine  
A fuel injection control system of an engine includes: (a) an intake air quantity estimation unit for estimating the quantity of intake air; (b) an intake fuel quantity estimation unit for...
6098011 Efficient fuzzy logic fault accommodation algorithm  
A simplified fault logic accomodation control which utilizes fuzzy logic to assist in calculating a preselected weighted average of the values of two redundant sensors that are sensing the same...
6092017 Parameter estimation apparatus  
An output parameter estimation apparatus for estimating an output parameter from an input data set that is composed of a plurality of input parameters and that is obtained whenever sampling time...
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