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US20100012090 HYDROGEN DELIVERY SYSTEM AND METHOD FOR AN INTERNAL COMBUSTION ENGINE  
An internal combustion engine includes an engine block assembly, an air intake system coupled to the engine block assembly and a hydrogen delivery system coupled to the air intake system. The...
US20140303877 FEEDBACK CONTROL SYSTEM  
An object of the invention is to provide a feedback control system that calculates a P term and an I term on the basis of a deviation between a target value and a measured value of a control...
US20130073185 PREDICTIVE MODELING AND REDUCING CYCLIC VARIABILITY IN AUTOIGNITION ENGINES  
Methods and systems are provided for controlling a vehicle engine to reduce cycle-to-cycle combustion variation. A predictive model is applied to predict cycle-to-cycle combustion behaviour of an...
US20140074377 SELF-TUNING ELECTRONIC FUEL INJECTION SYSTEM  
A self-tuning fuel injection system and method having a first long-term fuel trim correction algorithm to selectively replace an operating zone within a volumetric efficiency look-up table based...
US20150159578 METHOD OF DIAGNOSING INJECTOR VARIABILITY IN A MULTIPLE INJECTOR SYSTEM  
Various systems and methods are described for diagnosing injector variability in a dual fuel, multi-injector system. In one example, a single injector in one cylinder is enabled while remaining...
US20140156172 EXHAUST HUMIDITY SENSOR  
Embodiments for adjusting engine operating parameters based on output from an exhaust humidity sensor are provided. One example method for an engine comprises based on a dew point of exhaust gas,...
US20140121948 HUMIDITY CORRECTIONS FOR FUEL SETPOINT ADAPTATION  
A method for adjusting an oxygen sensor measurement within an exhaust gas feedstream output from an internal combustion engine based on humidity includes monitoring relative humidity of ambient...
US20140114552 COMBINED FUELING STRATEGY FOR GASEOUS FUEL  
A method of operating an internal combustion engine with gaseous fuel includes providing fuel to a plurality of cylinders with both central point injection and multipoint injection. Central point...
US20110118918 ADAPTATION OF A STEADY-STATE MAXIMUM TORQUE OF AN INTERNAL COMBUSTION ENGINE  
In a method for operating an internal combustion engine, a steady-state maximum output torque and a dynamic maximum torque are ascertained. The ascertained steady-state maximum output torque is...
US20130054115 INDIRECT HCCI COMBUSTION CONTROL  
A method for controlling combustion in a spark-ignition direct-injection internal combustion engine includes monitoring at least one combustion input parameter, and when the at least one monitored...
US20130317724 METHOD FOR DETERMINING THE WATER CONTENT OF A MIXED ALCOHOL/GASOLINE FUEL IN AN INTERNAL COMBUSTION ENGINE, AND DEVICE FOR IMPLEMENTING SAME  
Disclosed is a method for determination of the water content of a mixed alcohol/gasoline fuel in an internal combustion engine of a vehicle, which includes the stages of: determination of a first...
US20130191009 MOTORCYCLE  
A motorcycle includes a CPU (Central Processing Unit) of an ECU (Electronic Control Unit) that drives a fuel heating device when a fuel heating condition is satisfied and the result of a fuel...
US20150120172 SPARK PLUG DEGRADATION DETECTION  
Methods and systems are provided for identifying and indicating degradation of an engine cylinder spark plug. In response to a cylinder misfire event during selected engine operating conditions,...
US20110202260 SPARK PLUG DEGRADATION DETECTION  
Methods and systems are provided for identifying and indicating degradation of an engine cylinder spark plug. In response to a cylinder misfire event during selected engine operating conditions,...
US20130152902 Method for Adapting the Injection Characteristic of an Injection Valve  
A method for adapting the injection characteristic of a fuel injection valve of an internal combustion engine to production-related tolerances is described. In the method, an injection quantity...
US20150233310 Multi Fuel Engine Substitution Optimization for Transient Performance  
In an engine system of a machine having a multi fuel engine system, the occurrence of transient events such as gear shifts, grade changes and machine speed changes may be anticipated, and a fuel...
US20130024094 METHODS FOR CONTROLLING COMBUSTION OF BLENDED BIOFUELS  
A closed-loop control algorithm that reduces the increases in nitrogen oxides (NOx) commonly observed with biodiesel combustion while retaining particulate matter (PM) reductions with variable...
US20110125390 Driveline system impact reverberation reduction  
A method for driveline impact reverberation reduction including operating an engine coupled to a transmission; regulating operation of the engine with a controller to adjust fueling of the engine...
US20130197785 NOX CONTROL  
A method of controlling an engine based upon airflow is provided. A request for a desired torque output of the engine is received. A first amount of fuel required to generate the desired torque is...
US20140343825 FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES  
Fuel management system for efficient operation of a spark ignition gasoline engine. Injectors inject an anti-knock agent such as ethanol directly into a cylinder of the engine. A fuel management...
US20130261937 FUEL MANAGEMENT SYSTEM FOR VARIABLE ETHANOL OCTANE ENHANCEMENT OF GASOLINE ENGINES  
Fuel management system for efficient operation of a spark ignition gasoline engine. Injectors inject an anti-knock agent such as ethanol directly into a cylinder of the engine. A fuel management...
US20130245919 LOW DIMENSIONAL THREE WAY CATALYST MODEL FOR CONTROL AND DIAGNOSTICS  
Embodiments for an engine exhaust are provided. In one example, a method comprises adjusting a fuel injection amount based on a fractional oxidation state of a catalyst, the fractional oxidation...
US20120226429 METHOD FOR CONTROLLING A DIESEL ENGINE SYSTEM  
A method for controlling a diesel engine is disclosed in which the diesel engine is controlled to produce less soot when the operating state of an associated emission control device such as a...
US20130158840 ASYMMETRIC WAVELET KERNEL IN SUPPORT VECTOR LEARNING  
Example methods of modeling a nonlinear dynamical system such as a vehicle engine include providing a model using linear programming support vector regression (LP-SVR) having an asymmetric wavelet...
US20130024097 COMBUSTION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE  
In an internal combustion engine (engine) in which premixed combustion and diffusion combustion are carried out in a combustion chamber, the premixed combustion and the diffusion combustion are...
US20130054119 CONTROL SYSTEM FOR COMBUSTION SYSTEM  
A control system for a combustion system is applied to a combustion system which has a fuel injector injecting a fuel directly into a combustion chamber and a water injector injecting water...
US20130151089 ENGINE TORQUE COMPENSATION METHOD BASED ON CHANGE IN CONCENTRATION OF ETHANOL FOR FFV  
An engine torque compensation method is based on a change in the concentration of ethanol for a Flexible Fuel Vehicle (FFV). In the method, a concentration of ethanol in fuel that is supplied to...
US20140067235 NON-INTRUSIVE EXHAUST GAS SENSOR MONITORING BASED ON FUEL VAPOR PURGE OPERATON  
A method of monitoring an exhaust gas sensor coupled in an engine exhaust in an engine is provided. The method includes adjusting engine operation responsive to exhaust gas sensor degradation, the...
US20140012487 METHOD FOR CONTROLLING ENGINE NOISE INCLUDING COMBUSTION NOISE OF INTERNAL COMBUSTION ENGINE  
A method for controlling noise including combustion noise of an internal combustion engine includes (a) setting an engine noise target value and a cylinder pressure level target value, (b)...
US20110077842 METHOD FOR TESTING A PRESSURE SENSOR OF A FUEL ACCUMULATOR DEVICE  
In a method for testing a pressure sensor of a fuel accumulator device in an internal combustion engine, the pressure in the fuel accumulator device is altered and the influence of said alteration...
US20120150417 METHOD FOR DIAGNOSING A CLOGGING OF AN INJECTOR IN AN INTERNAL COMBUSTION ENGINE  
A method is provided for diagnosing a clogging of an injector in an internal combustion engine equipped with a fuel rail and with a plurality of fuel injectors hydraulically connected to the fuel...
US20150219033 NON-INTRUSIVE EXHAUST GAS SENSOR MONITORING  
A method for monitoring an exhaust gas sensor coupled in an engine exhaust is provided. In one embodiment, the method comprises indicating exhaust gas sensor degradation based on shape of a...
US20120029793 CALIBRATION SCHEME FOR AN EXHAUST GAS SENSOR  
Various systems and methods are described for controlling an engine in a vehicle in response to an equilibrium value of an exhaust gas constituent generated from an exhaust gas sensor. One example...
US20100332069 VEHICULAR SAFETY SYSTEMS STATUS DISPLAY  
Apparatus for a road vehicle has a plurality of deployable devices, each performing a crash safety function. A device controller controls deployment of a respective deployable device and that...
US20150051814 METHOD OF CONTROLLING A FUEL INJECTION  
A method of controlling an amount of fuel to be injected by a fuel injector into a cylinder of an internal combustion engine is disclosed. A map stores values of a fuel injection quantity drift of...
US20140039780 INTERNAL COMBUSTION ENGINE WITH DIRECT INJECTION AND REDUCED PARTICULATE EMISSIONS  
Methods are provided for an engine including modifying fuel injection timing based on engine operating conditions. A delay time period calculation may be based on a comparison of a first engine...
US20140100760 APPROACH FOR CONTROLLING EXHAUST GAS RECIRCULATION  
Various embodiments related to controlling EGR in an engine are disclosed. In one embodiment, a first EGR amount is supplied to a cylinder at a first temperature and a first engine speed and load....
US20120035833 METHOD FOR ESTIMATING AN HYDRAULIC DWELL TIME BETWEEN TWO INJECTION PULSES OF A FUEL INJECTOR  
A method is provided for estimating a hydraulic dwell time between a first injection pulse and a second injection pulse performed by a fuel injector of an internal combustion engine. The method...
US20140278007 USING CYLINDER FIRING HISTORY FOR COMBUSTION CONTROL IN A SKIP FIRE ENGINE  
Various methods and arrangements for determining a combustion control parameter for a working chamber in an engine are described. In one aspect, an engine controller includes a firing counter that...
US20150051812 TWO-STAGE CATALYST REGENERATION  
A system and method are described for reducing NOx emissions following deceleration fuel shut off (DFSO). The method comprises: cutting off fuel to the engine during a deceleration event; open...
US20140350823 ENHANCED VDE KNOCK CONTROL  
Systems and methods for adjusting ignition timing to one or more cylinders of a variable displacement engine responsive to a knock indication are described herein. In one particular example,...
US20140288805 FUEL INJECTION CONTROLLER  
A fuel injection controller includes an oxygen sensor that responds to an oxygen concentration inside an exhaust passage, and an injection amount control unit programmed to control a fuel...
US20130054117 Method for regulating HCCI combustion in a reactor of an internal combustion engine  
A method for regulating HCCI combustion of fuel in a reactor of an internal combustion engine is described in which a multivariable regulation is used, manipulated variable changes Δuk for the...
US20140209047 Engine Compensation for Fan Power  
A method for controlling the power of an engine is provided. The method includes determining a baseline fuel amount, determining an engine cooling fan operating condition based on an engine...
US20130054123 COMBUSTION PRODUCT PRODUCTION AMOUNT ESTIMATION DEVICE, DEPOSIT SEPARATION AMOUNT ESTIMATION DEVICE, DEPOSIT ACCUMULATION AMOUNT ESTIMATION DEVICE, AND FUEL INJECTION CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE  
This invention relates to a deposit remove amount estimation device for estimating inlet and outlet deposit remove amounts by calculating an inlet deposit remove amount which is an amount of a...
US20120303245 ROBUST ESTIMATION OF BIODIESEL BLEND RATIO FOR ALTERNATIVE FUEL COMBUSTION  
A method to control an internal combustion engine includes operating the engine with a fuel blend of a first fuel and a second fuel, monitoring a value of a first combustion parameter during...
US20150233319 METHOD OF OPERATING A FUEL INJECTOR  
An apparatus and method for operating a fuel injector of an internal combustion engine is disclosed. A first energizing electrical current is supplied to an injector solenoid, causing the opening...
US20130179050 Gaseous-Fuelled Stoichiometric Compression Ignition Internal Combustion Engine  
In a gaseous-fuelled stoichiometric compression ignition internal combustion engine, a pilot fuel is injected directly into the combustion chamber to help initiate a multi-point ignition. The...
US20110125391 PRESSURE ENERGY CONVERSION SYSTEMS  
A process for performing energy conversion that converts pressure energy to produce expansive work in one or more devices selected from the group including a reversible fuel cell, expansion motor,...
US20130066536 SENSOR OUTPUT MODIFIER  
A modification to the “gas-topping” invention disclosed in WO 2008/064415 is disclosed in this specification. The modification involves measuring a sensor input such as that provided by a diesel...