WO1992010733A3 - Procede et appareil de detection de defaut d'allumage, de cognement ou de rate d'un moteur - Google Patents

Procede et appareil de detection de defaut d'allumage, de cognement ou de rate d'un moteur Download PDF

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Publication number
WO1992010733A3
WO1992010733A3 PCT/US1991/009280 US9109280W WO9210733A3 WO 1992010733 A3 WO1992010733 A3 WO 1992010733A3 US 9109280 W US9109280 W US 9109280W WO 9210733 A3 WO9210733 A3 WO 9210733A3
Authority
WO
WIPO (PCT)
Prior art keywords
power transmitting
transmitting member
torsional stress
signals
calculating
Prior art date
Application number
PCT/US1991/009280
Other languages
English (en)
Other versions
WO1992010733A2 (fr
Inventor
Robert D Klauber
Erik B Vigmostad
Frederick P Sprague
Joseph V Mandarino
Original Assignee
Sensortech Lp
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
Priority claimed from US07/625,222 external-priority patent/US5287735A/en
Application filed by Sensortech Lp filed Critical Sensortech Lp
Priority to EP92902896A priority Critical patent/EP0562012B1/fr
Priority to US08/074,861 priority patent/US5313826A/en
Priority to JP4503699A priority patent/JPH06505075A/ja
Priority to DE69118914T priority patent/DE69118914T2/de
Publication of WO1992010733A2 publication Critical patent/WO1992010733A2/fr
Publication of WO1992010733A3 publication Critical patent/WO1992010733A3/fr
Priority to GR960401651T priority patent/GR3020272T3/el

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
    • 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
    • G01L23/223—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 using magnetic or magnetostrictive means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
    • G01L3/102—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means involving magnetostrictive means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
    • G01L3/105—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means involving inductive means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/04—Testing internal-combustion engines
    • G01M15/042—Testing internal-combustion engines by monitoring a single specific parameter not covered by groups G01M15/06 - G01M15/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/11—Mounting of sensors thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/30—Propulsion unit conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/60—Load
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/90—Other conditions or factors
    • B60G2400/91—Frequency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2401/00—Indexing codes relating to the type of sensors based on the principle of their operation
    • B60G2401/17—Magnetic/Electromagnetic
    • B60G2401/172—Hall effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/60—Signal noise suppression; Electronic filtering means
    • B60G2600/602—Signal noise suppression; Electronic filtering means high pass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/60—Signal noise suppression; Electronic filtering means
    • B60G2600/604—Signal noise suppression; Electronic filtering means low pass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/80—Detection or control after a system or component failure
    • B60G2800/802—Diagnostics
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S73/00—Measuring and testing
    • Y10S73/02—Magnetostrictive

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Measuring Magnetic Variables (AREA)
  • Steering Control In Accordance With Driving Conditions (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Paper (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

Procédé et appareil de comparaison des états d'effort/contrainte de torsion d'un élément de transmission de puissance d'un moteur à combustion interne de manière à détecter un état anormal de combustion, y compris les défauts d'allumage, le cognement ou les ratés. Des étapes de traitements statistiques peuvent être utilisées pour détecter un état de combustion anormal et consistent à calculer une déviation moyenne et standard pour un ensemble de signaux relatifs aux efforts de tension induits dans l'élément de transmission de puissance, à calculer une différence entre un signal ultérieur et la moyenne, à calculer un rapport entre la différence et la déviation ou écart standard, et à comparer le rapport à une valeur seuil. Le rapport ainsi obtenu d'un cylindre donné peut ensuite être comparé à un ou plusieurs autres rapports obtenus d'autres cylindres. En d'autres termes, les techniques d'autocorrélation et /ou de corrélation croisée peuvent être utilisées. Un détecteur de magnétostriction peut de préférence être utilisé pour obtenir les signaux relatifs aux efforts de tension dans l'élément de transmission de puissance, tel que le vilebrequin d'un moteur. De plus, le détecteur de magnétostriction peut comprendre des enroulements pour annuler des signaux d'interférence électromagnétique induits. Les détecteurs de magnétostriction peut également générer des signaux relatifs à la position de l'élément de transmsission de puissance outre l'effort de tension dans l'élément de transmission de puissance. Des techniques d'intégration dans l'espace peuvent être utilisées pour obtenir des signaux de contrainte/effort de tension qui sont indépendantes de la vitesse de rotation de l'élément de transmission de puissance. L'intégration spatiale peut être effectuée en utilisant les amplificateurs variables, des atténuateurs variables, des condensateurs commutés ou d'autres techniques.
PCT/US1991/009280 1990-12-10 1991-12-10 Procede et appareil de detection de defaut d'allumage, de cognement ou de rate d'un moteur WO1992010733A2 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP92902896A EP0562012B1 (fr) 1990-12-10 1991-12-10 Appareil pour la détection de variations de couple avec détecteur magnétrostrictif
US08/074,861 US5313826A (en) 1990-12-10 1991-12-10 Engine misfire, knock or roughness detection method and apparatus
JP4503699A JPH06505075A (ja) 1990-12-10 1991-12-10 エンジン失火、ノックまたは荒さ検出の方法および装置
DE69118914T DE69118914T2 (de) 1990-12-10 1991-12-10 Vorrichtung zur Ermittlung von Drehmomentänderungen mit magnetostriktivem Sensor
GR960401651T GR3020272T3 (en) 1990-12-10 1996-06-19 Apparatus for detecting variation in torque with magnetostrictive sensor

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US625,222 1990-12-10
US07/625,222 US5287735A (en) 1990-12-10 1990-12-10 Engine misfire or roughness detection method and apparatus
US07/720,240 US5269178A (en) 1990-12-10 1991-06-24 Engine misfire, knock of roughness detection method and apparatus
US720,240 1991-06-24

Publications (2)

Publication Number Publication Date
WO1992010733A2 WO1992010733A2 (fr) 1992-06-25
WO1992010733A3 true WO1992010733A3 (fr) 1992-10-15

Family

ID=27089849

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1991/009280 WO1992010733A2 (fr) 1990-12-10 1991-12-10 Procede et appareil de detection de defaut d'allumage, de cognement ou de rate d'un moteur

Country Status (11)

Country Link
US (2) US5269178A (fr)
EP (2) EP0562012B1 (fr)
JP (1) JPH06505075A (fr)
AT (1) ATE137017T1 (fr)
AU (1) AU9152591A (fr)
CA (1) CA2099613A1 (fr)
DE (2) DE69132016D1 (fr)
DK (1) DK0562012T3 (fr)
ES (1) ES2085620T3 (fr)
GR (1) GR3020272T3 (fr)
WO (1) WO1992010733A2 (fr)

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US5313826A (en) 1994-05-24
AU9152591A (en) 1992-07-08
DK0562012T3 (da) 1996-05-13
DE69118914D1 (de) 1996-05-23
GR3020272T3 (en) 1996-09-30
ES2085620T3 (es) 1996-06-01
US5269178A (en) 1993-12-14
ATE137017T1 (de) 1996-05-15
EP0675342B1 (fr) 2000-03-01
EP0562012A1 (fr) 1993-09-29
DE69118914T2 (de) 1996-09-19
EP0562012B1 (fr) 1996-04-17
DE69132016D1 (de) 2000-04-06
JPH06505075A (ja) 1994-06-09
WO1992010733A2 (fr) 1992-06-25
CA2099613A1 (fr) 1992-06-11
EP0675342A2 (fr) 1995-10-04
EP0675342A3 (fr) 1995-10-18

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