AR053942A1 - Dispositivo de determinacion del estado de detonacion - Google Patents

Dispositivo de determinacion del estado de detonacion

Info

Publication number
AR053942A1
AR053942A1 ARP060102796A ARP060102796A AR053942A1 AR 053942 A1 AR053942 A1 AR 053942A1 AR P060102796 A ARP060102796 A AR P060102796A AR P060102796 A ARP060102796 A AR P060102796A AR 053942 A1 AR053942 A1 AR 053942A1
Authority
AR
Argentina
Prior art keywords
correlation coefficient
log
magnitude
vibration waveform
determination
Prior art date
Application number
ARP060102796A
Other languages
English (en)
Inventor
Rihito Kaneko
Kenji Kasashima
Masatomo Yoshihara
Koji Aso
Kenji Senda
Shigeru Kamio
Yuichi Takemura
Original Assignee
Toyota Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Co Ltd filed Critical Toyota Motor Co Ltd
Publication of AR053942A1 publication Critical patent/AR053942A1/es

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/027—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions using knock sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
    • G01L23/22—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines
    • G01L23/221—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines
    • G01L23/225—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid for detecting or indicating knocks in internal-combustion engines; Units comprising pressure-sensitive members combined with ignitors for firing internal-combustion engines for detecting or indicating knocks in internal combustion engines circuit arrangements therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

Una unidad de control electronico de un motor ejecuta un programa que incluye los pasos de: calcular un coeficiente de correlacion K basado en el resultado de comparar una forma de onda de vibracion de un motor y un modelo de forma de onda de detonacion (knocking) almacenado previamente; calcular un valor de magnitud LOG(V) de la magnitud V detectada basado en una senal transmitida desde un sensor de detonacion; crear la distribucion de frecuencia de valores de magnitud LOG(V) utilizando valores de magnitud LOG(V) en un ciclo de ignicion donde se calcula el coeficiente de correlacion K mayor que un umbral K(1); y contar la proporcion de detonacion KC utilizando la distribucion de frecuencia creada. Si la forma de onda de vibracion incluye una forma de onda de vibracion de componentes de ruido, se calcula un valor menor para el coeficiente de correlacion K en comparacion con un caso que no la incluye.
ARP060102796A 2005-06-28 2006-06-28 Dispositivo de determinacion del estado de detonacion AR053942A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005188346A JP4452660B2 (ja) 2005-06-28 2005-06-28 ノッキング状態判定装置

Publications (1)

Publication Number Publication Date
AR053942A1 true AR053942A1 (es) 2007-05-23

Family

ID=36950482

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP060102796A AR053942A1 (es) 2005-06-28 2006-06-28 Dispositivo de determinacion del estado de detonacion

Country Status (11)

Country Link
US (2) US7387107B2 (es)
EP (1) EP1896817B1 (es)
JP (1) JP4452660B2 (es)
KR (1) KR100932877B1 (es)
CN (1) CN101213432B (es)
AR (1) AR053942A1 (es)
DE (1) DE602006019589D1 (es)
ES (1) ES2356672T3 (es)
MY (1) MY142497A (es)
WO (1) WO2007001064A1 (es)
ZA (2) ZA200800720B (es)

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Also Published As

Publication number Publication date
EP1896817B1 (en) 2011-01-12
MY142497A (en) 2010-11-30
US20070084266A1 (en) 2007-04-19
KR20080031905A (ko) 2008-04-11
EP1896817A1 (en) 2008-03-12
US7387107B2 (en) 2008-06-17
CN101213432B (zh) 2011-01-12
CN101213432A (zh) 2008-07-02
ZA200800722B (en) 2009-01-28
ZA200800720B (en) 2008-12-31
US20080234918A1 (en) 2008-09-25
US7669582B2 (en) 2010-03-02
DE602006019589D1 (de) 2011-02-24
KR100932877B1 (ko) 2009-12-21
JP4452660B2 (ja) 2010-04-21
ES2356672T3 (es) 2011-04-12
WO2007001064A1 (en) 2007-01-04
JP2007009725A (ja) 2007-01-18

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Legal Events

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FG Grant, registration