Method and apparatus for using an accelerometer signal to detect misfiring in an internal combustion engine

Huang, Jian; Cheung, Duran; Mumford, David

Title: Method and apparatus for using an accelerometer signal to detect misfiring in an internal combustion engine

Abstract

The method comprises operating an engine and collecting a real-time accelerometer signal from an accelerometer sensor. The real-time accelerometer signal is digitized and filtered to isolate data in a frequency range associated with combustion to produce a filtered signal data set. The filtered signal data set is integrated to produce an integrated signal data set, and misfire is detected by comparing the integrated signal data set with a predetermined reference data set associated with the same operating point. The apparatus is a control system for an engine that comprises an accelerometer sensor mounted to the engine; a look-up table in which is stored predetermined reference data sets, in association with predetermined operating conditions; and an electronic controller programmed to carry out the foregoing method.

Inventors:: Huang, Jian; Cheung, Duran; Mumford, David

Issue Date:: 2012-01-31

Research Org.:: Westport Power Inc., West Vancouver, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1531837

Patent Number(s):: 8108131

Application Number:: 12/788,276

Assignee:: Westport Power Inc. (West Vancouver, CA)

Patent Classifications (CPCs):: F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02D - CONTROLLING COMBUSTION ENGINES

G - PHYSICS G01 - MEASURING G01M - TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES

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F - MECHANICAL ENGINEERING F02 - COMBUSTION ENGINES F02D - CONTROLLING COMBUSTION ENGINES
F02D41/1498 - {measuring engine roughness}
F02D35/027 - {using knock sensors}
F02D2200/1015 - Engines misfires
F02D2200/1012 - Engine speed gradient

G - PHYSICS G01 - MEASURING G01M - TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES
G01M15/11 - by detecting misfire

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DOE Contract Number:: FC26-06NT42967

Resource Type:: Patent

Resource Relation:: Patent File Date: 2010-05-26

Country of Publication:: United States

Language:: English

Subject:: 33 ADVANCED PROPULSION SYSTEMS

Citation Formats


                    Huang, Jian, Cheung, Duran, and Mumford, David. Method and apparatus for using an accelerometer signal to detect misfiring in an internal combustion engine.  United States: N. p., 2012. 
        Web.

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                    Huang, Jian, Cheung, Duran, & Mumford, David. Method and apparatus for using an accelerometer signal to detect misfiring in an internal combustion engine.  United States.

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                    Huang, Jian, Cheung, Duran, and Mumford, David. Tue .  
        "Method and apparatus for using an accelerometer signal to detect misfiring in an internal combustion engine".  United States.  https://www.osti.gov/servlets/purl/1531837.

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@article{osti_1531837,

  title        = {Method and apparatus for using an accelerometer signal to detect misfiring in an internal combustion engine},

  author       = {Huang, Jian and Cheung, Duran and Mumford, David},

  abstractNote = {The method comprises operating an engine and collecting a real-time accelerometer signal from an accelerometer sensor. The real-time accelerometer signal is digitized and filtered to isolate data in a frequency range associated with combustion to produce a filtered signal data set. The filtered signal data set is integrated to produce an integrated signal data set, and misfire is detected by comparing the integrated signal data set with a predetermined reference data set associated with the same operating point. The apparatus is a control system for an engine that comprises an accelerometer sensor mounted to the engine; a look-up table in which is stored predetermined reference data sets, in association with predetermined operating conditions; and an electronic controller programmed to carry out the foregoing method.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2012},

  month        = {1}

}

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Title: Method and apparatus for using an accelerometer signal to detect misfiring in an internal combustion engine

Abstract

Citation Formats

Method and device for identifying knocking patent-application, June 2006

Method for detecting combustion knock from the ionic current in an internal combustion engine patent, November 2000

Method of Mounting an Accelerometer on an Internal Combustion Engine and Increasing Signal-to-Noise Ratio patent-application, February 2008

Reconfigurable filter system patent, February 1998

Vehicle diagnosis system and method patent-application, September 2008

Method and device for detecting knocking patent, November 2007

Misfire detection in engines for on-board-diagnostics patent, August 2009

Control apparatus for an internal combustion engine patent, June 1992

System and method for detecting and determining knocking in an internal combustion engine patent, February 1990

Determining crankshaft acceleration in an internal combustion engine patent, March 1992

Adaptive method for detecting misfire in an internal combustion engines using an engine-mounted accelerometer patent, May 2002

Method And Apparatus For Determining A Normal Combustion Characteristic For An Internal Combustion Engine From An Accelerometer Signal patent-application, November 2010

Knock detection method and apparatus with dual integration windows patent, July 1996

Combustion knock detection and control through statistical characterization of knock levels patent, August 2008

Controller and control method for an internal combustion engine using an engine-mounted accelerometer patent, August 2001

Device for error recognition in a digital signal evaluation unit patent, December 2005

Knock determining apparatus for internal combustion engine patent, February 2007

Methods and systems to derive knock sensor conditions patent, February 2018

Method for determining a value representative of the pressure in a combustion chamber of an internal combustion engine patent, January 2013

Cylinder head acceleration measurement for valve train diagnostics system and method patent, April 2018

Method and system to determine location of peak firing pressure patent, June 2018

Knocking detecting apparatus for internal combustion engine patent, December 2012

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System and method for injection control of urea in selective catalyst reduction patent, September 2016

System and method for locating engine noise patent, September 2017

Systems and methods to distinguish engine knock from piston slap patent, July 2017

System and method for determining knock margin for multi-cylinder engines patent, October 2017

Systems and methods for detection of engine component conditions via external sensors patent, October 2017

System and method for regulating exhaust gas recirculation in an engine patent, January 2017

Method of detecting misfire in an internal combustion engine patent, June 2014

System and method for detecting operating events of an engine patent, January 2018

System and method for detecting reciprocating device abnormalities utilizing standard quality control techniques patent, October 2017

Methods and systems to derive engine component health using total harmonic distortion in a knock sensor signal patent, October 2017

Methods and systems to derive health of mating cylinder using knock sensors patent, March 2018

System and method for model based and map based throttle position derivation and monitoring patent, December 2016

System and method for determining location and value of peak firing pressure patent, February 2018

Method and device for identifying knocking
patent-application, June 2006

Method for detecting combustion knock from the ionic current in an internal combustion engine
patent, November 2000

Method of Mounting an Accelerometer on an Internal Combustion Engine and Increasing Signal-to-Noise Ratio
patent-application, February 2008

Reconfigurable filter system
patent, February 1998

Vehicle diagnosis system and method
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Method and device for detecting knocking
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Misfire detection in engines for on-board-diagnostics
patent, August 2009

Control apparatus for an internal combustion engine
patent, June 1992

System and method for detecting and determining knocking in an internal combustion engine
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Determining crankshaft acceleration in an internal combustion engine
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Adaptive method for detecting misfire in an internal combustion engines using an engine-mounted accelerometer
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Method And Apparatus For Determining A Normal Combustion Characteristic For An Internal Combustion Engine From An Accelerometer Signal
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Knock detection method and apparatus with dual integration windows
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Combustion knock detection and control through statistical characterization of knock levels
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Controller and control method for an internal combustion engine using an engine-mounted accelerometer
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