Matches 1 - 50 out of 161 1 2 3 4 >


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US20150149067 KNOCKING CONTROL METHOD BASED ON SEPARATION LEARNING RANGE  
A knocking control method based on a separation learning range may include (a) designating a learning cell in a driving range represented by a load-rotating number, (b) dividing the learning cell...
US20140278010 ENGINE KNOCK DETECTION SYSTEMS AND METHODS  
A method includes: generating an indicator of present operating conditions of an engine; determining a first amount of noise based on vibration measured during a first plurality of combustion...
US20140297164 STOCHASTIC PRE-IGNITION (SPI) MITIGATION USING AN ADAPTIVE SPI SCALER  
A system includes a control module and a stochastic pre-ignition (SPI) module. The control module controls at least one performance parameter of an engine of a vehicle. The SPI module detects SPI...
US20120310513 METHOD OF ESTIMATING THE INTENSITY OF THE KNOCKING OF AN INTERNAL COMBUSTION ENGINE BY INVERSION OF A WAVE EQUATION  
A method of real-time estimation of the intensity of the knocking of an internal combustion engine utilizing a vibratory sensor is disclosed which is useful for control of internal combustion. A...
US20100121559 Water Based Systems for Direct Injection Knock Prevention in Spark Ignition Engines  
A fuel management system for using water for on-board vehicular separation of ethanol from ethanol-gasoline blends is described. Water or a water-alcohol mixture from a secondary tank is mixed...
US20110224889 Knocking Control System for Gas Engine  
A knocking control system comprises a knocking determiner device for determining whether or not knocking with a predetermined intensity or higher has occurred in a cylinder of a gas engine in each...
US20140058650 VALVETRAIN FAULT INDICATION SYSTEMS AND METHODS USING KNOCK SENSING  
A system for a vehicle includes a knock indication module, a valve control module, and a fault indication module. The knock indication module selectively indicates that knock occurred within a...
US20150019111 System and Method for Alerting and Suppression of Detonation and/or Pre Ignition Phenomena in Internal Combustion Engines by Monitoring RPM Fluctuation  
An engine system with advance detection of detonation and/or pre ignition, the system comprising an engine, operative for propulsion of a vehicle by generating rotational motion, whose rotational...
US20150176510 CONTROL SYSTEM FOR A MODEL-BASED KNOCK SUPPRESSION SYSTEM USING A MULTIPLE ACTUATION STRATEGY  
The present invention provides for predicting peak cylinder temperatures above which knock in an engine may become more frequent and then provides one or more actuation approaches to reduce the...
US20130282260 CONTROL SYSTEM FOR A MODEL-BASED KNOCK SUPPRESSION SYSTEM USING A MULTIPLE ACTUATION STRATEGY  
The present invention provides for predicting peak cylinder temperatures above which knock in an engine may become more frequent and then provides one or more actuation approaches to reduce the...
US20130218443 KNOCK CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE  
In a knock control device of an internal combustion engine equipped with a control unit which updates a background level based on an output signal from a knock sensor and detects the generation of...
US20110231084 ROTATIONAL FLUCTUATION MALFUNCTION DETECTION DEVICE AND ROTATIONAL FLUCTUATION MALFUNCTION DETECTION METHOD FOR INTERNAL COMBUSTION ENGINE  
A rotational fluctuation malfunction detection device for an internal combustion engine determines that fluctuations in output shaft rotational speed are “normal” when a rotational fluctuation...
US20100299051 FUEL INJECTION AND COMBUSTION FAULT DIAGNOSTICS USING CYLINDER PRESSURE SENSOR  
Systems and methods useful for detecting a combustion fault in a combustion engine include determining cylinder power density values for cylinders present on the engine during its operation and...
US20130024099 INTERNAL COMBUSTION ENGINE AND STRADDLE-TYPE VEHICLE EQUIPPED WITH THE ENGINE  
A single-cylinder internal combustion engine includes a knock sensor mounted to apart other than a cylinder block to detect knocking. The engine includes a crankcase, a cylinder block, and a...
US20130245924 INTERNAL COMBUSTION ENGINE KNOCK CONTROLLING APPARATUS  
An internal combustion engine knock controlling apparatus is obtained that improves knock detection performance by making a correction period appropriate without performing matching, when...
US20110106405 METHOD AND SYSTEM FOR DETECTING OPERATING ERRORS IN A VARIABLE VALVE TIMING ENGINE  
A method and control module includes a manifold absolute pressure comparison module that determines a function of the manifold absolute pressure and an average manifold absolute pressure for a...
US20120296558 CONTROL UNIT OF INTERNAL COMBUSTION ENGINE  
A peak signal extracting device extracts a first peak value, being the maximum value of vibration level of a specified frequency in a predetermined crank angle range, and a crank angle; noise...
US20110246049 ABNORMAL COMBUSTION DETECTION METHOD FOR SPARK-IGNITION ENGINE, AND SPARK-IGNITION ENGINE  
When a maximum value of vibration intensity (maximum vibration intensity) (Vmax) acquired from a vibration sensor (33) in a low engine speed/high engine load (operating region (R)) is equal to or...
US20090112450 Fuel Management System for Refueling a Fuel System for Improved Fuel Efficiency Utilizing Glycols  
A fuel management system of a vehicle and a refueling system for gasoline stations to handle a fuel system for improved fuel efficiency which can be contained in a fuel tank having a gasoline...
US20110066358 PATTERN RECOGNITION FOR RANDOM MISFIRE  
A control system includes a jerk determination module and a misfire confirmation module. The jerk determination module determines a jerk of a crankshaft associated with a firing event in an...
US20120232775 METHOD FOR ADAPTING AN ENGINE TO THE FUEL GRADE BY DECREMENTING THE INITIAL OCTANE NUMBER OF THE FUEL  
A method for adapting an engine to an octane number of fuel by decrementing an initial octane number. Starting with a reference setting of the spark advance in an engine operating range for a...
US20140081560 ENGINE MANAGEMENT STRATEGY  
A system and method for controlling a vehicle to implement an engine torque management strategy. The engine torque management strategy implements a sophisticated engine knock control method that...
US20120316762 METHOD AND SYSTEM FOR PRE-IGNITION CONTROL  
Methods and systems are provided for identifying and differentiating knock and pre-ignition using a plurality of knock sensors distributed along an engine block. By dynamically adjusting...
US20120316761 CPS KNOCK DETECTION SYSTEM  
A control system includes a cylinder pressure sensor (CPS) that senses a cylinder pressure of an engine and generates a CPS signal based on the cylinder pressure. A CPS failure detection module...
US20130238223 METHOD AND DEVICE FOR RECOGNIZING PRE-IGNITIONS IN A GASOLINE ENGINE  
A method for recognizing pre-ignitions in a gasoline engine which occur in the combustion chamber of the gasoline engine, independently of the ignition of a fuel-air mixture by a spark plug. In a...
US20090205606 Operating method and fuel supply system for an internal combustion engine  
A fuel supply system attached to the gasoline engine includes a first tank storing a mixture of gasoline and ethanol, a second tank storing water, a microbubble generator connected to the first...
US20150019112 CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE  
Knocking and misfire are judged by detecting combustion ions generated in a combustion chamber with an ion sensor, obtaining an integral signal by integrating the ion signal, and comparing the...
US20130166183 KNOCK CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE  
A knock control apparatus for an internal combustion engine includes a knock signal normalization portion that normalizes a knock signal using base statistics calculated on the basis of the knock...
US20150100221 NOISE/VIBRATION REDUCTION CONTROL  
In one aspect, a system for reducing noise or vibration generated by an internal combustion engine is described. An engine controller is arranged to generate firing information suitable for...
US20130073189 CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE  
A control apparatus for an internal combustion engine is provided that can correct a shift in an output value of an in-cylinder pressure sensor that occurs for a predetermined time period after...
US20100168989 Control Method and Device For Engine  
A control method and a control device of an engine are introduced. During the process of the engine controlling, the control unit does the adaptive learning for the actual target value of the...
US20110077846 METHOD AND SYSTEM FOR ESTIMATING AND REDUCING ENGINE AUTO-IGNITION AND KNOCK  
A control system for an engine includes a heat-release rate (HRR) module, a first filter module, a second filter module, an auto-ignition energy determination module, and a corrective action...
US20140188374 METHOD AND SYSTEM FOR PRE-IGNITION CONTROL  
Methods are provided for controlling an engine in response to a pre-ignition event. A pre-ignition threshold and a pre-ignition mitigating action are adjusted based on a rate of change of cylinder...
US20140172280 METHOD FOR DETECTING COMBUSTION NOISE IN INTERNAL COMBUSTION ENGINE, COMBUSTION NOISE DETECTION DEVICE, AND DEVICE FOR CONTROLLING INTERNAL COMBUSTION ENGINE  
Although a method for changing a combustion method taking place in an internal combustion engine depending on running condition is proposed, it can be considered that conditions under which a...
US20060236753 Internal combustion engine knock determination device  
A knock waveform model (thick line) is prepared by correcting a line (thin line) representing an average value of a vibration waveform measured in advance to have more moderate inclination. The...
US20100017101 VEHICLE SURGE AND SPARK TIMING CONTROL  
A method is described for operating an engine of a vehicle, the engine having a combustion chamber. The method may include controlling a stability of the vehicle in response to a vehicle...
US20140100762 METHOD AND SYSTEM FOR KNOCK CONTROL  
Methods and systems are provided for improving engine knock control by accounting for a drop in charge cooling efficiency of a knock control fluid at higher temperatures. In response to the...
US20110093186 CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE  
Control apparatus for an internal combustion engine including: a second knock detection unit for detecting occurrence of a second knock due to an effective compression ratio when ignition timing...
US20100024769 EXTENDING VARIABLE DISPLACEMENT OPERATION THROUGH SPARK KNOCK CONTROL  
A control system comprising a spark knock detection module that detects a spark knock in an engine of a hybrid vehicle, and a torque control module that selectively regulates an engine torque...
US20140172279 METHOD TO REDUCE ENGINE COMBUSTION AND HARMONIC NOISE FOR MISFIRE DETECTION  
A method and system for determining combustion and harmonic noise correction factors for current operating conditions corresponding to the actual vehicle and applying the combustion and harmonic...
US20120271536 METHOD AND DEVICE FOR RECOGNIZING UNCONTROLLED COMBUSTIONS IN AN INTERNAL COMBUSTION ENGINE  
A method for recognizing uncontrolled combustions in an internal combustion engine which occur independently of the ignition by a spark plug. The pressure oscillations in the combustion chamber...
US20150046069 Minimizing Alcohol Use In High Efficiency Alcohol Boosted Gasoline Engines  
A number of systems and methods are disclosed which increase the replenishment interval for anti-knock fluid. This is especially important during activities which require a large amount of...
US20140222319 Minimizing Alcohol Use In High Efficiency Alcohol Boosted Gasoline Engines  
A number of systems and methods are disclosed which increase the replenishment interval for anti-knock fluid. This is especially important during activities which require a large amount of...
US20130317726 Minimizing Alcohol Use In High Efficiency Alcohol Boosted Gasoline Engines  
A number of systems and methods are disclosed which increase the replenishment interval for anti-knock fluid. This is especially important during activities which require a large amount of...
US20110106412 METHOD AND APPARATUS FOR REDUCING SPARK PLUG FOULING  
A control module and method for controlling an engine operation includes a runtime module that determines a previous run period, a fuel mass module that determines a fuel mass during the previous...
US20140163844 STOCHASTIC PRE-IGNITION PREDICTION AND MITIGATION SYSTEMS AND METHODS  
An engine control system for a vehicle includes a timer module, a stochastic pre-ignition (SPI) mitigation module, and a boost control module. The timer module tracks a period of operation of an...
US20090312939 ENGINE CONTROL APPARATUS INCLUDING COMPUTING SECTION AND A/D CONVERTING SECTION  
The engine control apparatus includes a computing section which performs computation for engine control in synchronization with rotation of an engine, and an A/D converter which A/D-converts an...
US20090276147 ENGINE KNOCK DIAGNOSTIC  
A knock diagnostic module having a knock module that increments a sample count when a cylinder firing signal corresponding to a first cylinder is received and selectively increments a knock count...
US20090088956 ROBUST ONBOARD DIAGNOSTIC MISFIRE DETECTION  
A misfire detection system and method for onboard diagnosis of engine performance detects an engine speed as a function of a rotational angle of the crankshaft, and determines crankshaft...
US20100049420 ACTIVE COMPRESSION RATIO MODULATION THROUGH INTAKE VALVE PHASING AND KNOCK SENSOR FEEDBACK  
An internal combustion engine includes a piston reciprocable within a cylinder, a phase controllable valvetrain configured to alter the effective compression ratio of the engine, and a knock...

Matches 1 - 50 out of 161 1 2 3 4 >