EP1264381A1 - Procede pour surveiller et reguler un moteur electrique - Google Patents

Procede pour surveiller et reguler un moteur electrique

Info

Publication number
EP1264381A1
EP1264381A1 EP01925394A EP01925394A EP1264381A1 EP 1264381 A1 EP1264381 A1 EP 1264381A1 EP 01925394 A EP01925394 A EP 01925394A EP 01925394 A EP01925394 A EP 01925394A EP 1264381 A1 EP1264381 A1 EP 1264381A1
Authority
EP
European Patent Office
Prior art keywords
value
motor current
motor
measured
stored
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP01925394A
Other languages
German (de)
English (en)
Inventor
Alexandre Da Silva Filgueiras
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Leopold Kostal GmbH and Co KG
Original Assignee
Leopold Kostal GmbH and Co KG
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 Leopold Kostal GmbH and Co KG filed Critical Leopold Kostal GmbH and Co KG
Publication of EP1264381A1 publication Critical patent/EP1264381A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H02H7/0851—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load for motors actuating a movable member between two end positions, e.g. detecting an end position or obstruction by overload signal
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/44—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the rate of change of electrical quantities
    • H02H3/445—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to the rate of change of electrical quantities of DC quantities

Definitions

  • the present invention is based on a method for monitoring and influencing an electric motor, which is assigned to a movable object, in particular on a motor vehicle, via an actuating device.
  • Such methods are intended to enable the automatic adjustment of the movable object, which is, for example, a window or a sliding roof, and to take into account safety requirements which also result from legal regulations, among other things.
  • these safety requirements relate to a limitation of the possible pinching force in the event that an object or body part is in the closing path of the automatically closing window or sunroof.
  • the invention relates in particular to such a method in which a signal for stopping or reversing the motor rotation is generated as a function of a currently measured value of the motor current and a value of the motor current measured at a previous time.
  • the present invention is based on the object of specifying a method with which the case of jamming can also be reliably detected and the window or sunroof can be stopped or reversed in good time, without, however, a complex calculation of energy balances, total forces, clamping forces, etc. and to require a tracking of the force curve over a time range encompassing an entire pinching process at equidistant measuring times.
  • this object is achieved in that the motor current value l (t 0 ) measured simultaneously with a fixed edge (rising or falling) of a rectangular signal generated by a pulse generator proportional to the motor rotation is stored in a memory, and from an N (N> 1 ) relevant signal edges past measured, stored motor current value l (t. N ) using further parameters, a reference value l ref is formed, with which the currently measured motor current value l (t 0 ) is compared, and that if the reference value l ref is exceeded by the currently measured value l (t 0 ) the stop or reversing signal is generated immediately.
  • the motor current signal l (t) provided by a signal conditioning device 1 is fed to a so-called “ripple detector” device 2, which generates a digital square-wave signal 2 ′, which is proportional to the motor rotation with the rising (or falling) edge of this square-wave signal 2 ', the analog value of the motor current signal l (t) is organized as a current motor current value l (t 0 ) into a shift register 3
  • Adjustment position used. From a motor current value l (t. N ) stored a predetermined number N of measurements back, a reference value l ref is calculated in the microcontroller with the inclusion of further parameters, such as the supply voltage and part position-dependent setting parameters stored in a table memory 5, with which the current value measured motor current value l (t 0 ) is compared. If the currently measured motor current value l (t 0 ) exceeds the reference value l ref , a signal for stopping or reversing the motor rotation is sent to a motor control device 6, otherwise it is received the motor control device 6 sends a signal to continue the movement of the object to be adjusted by the motor in the same direction.
  • a further development of the measuring method sees the introduction of a further criterion in the sense of a additional, necessary condition for generating the stop or reversing signal for the motor.
  • a further criterion which is intended to confirm a tendency of the motor current that is present continuously over a longer period of time, a first counter 8 (“larger”) and a second counter 9 (“smaller”) are provided in a memory, which are used at the beginning of the adjustment both contain the value "zero".
  • the currently measured value l (t 0 ) is now compared in each case with the directly measured value l (t *).
  • the counter 8 (“greater") is increased by the value "one”
  • the counter becomes 9 (“smaller”) increased by the value “one”.
  • threshold values s Gr and s ⁇ * are defined, which are either lump-sum values for the entire movement sequence or saved as position-dependent table values in a table memory 5
  • the method developed by the use of these counters 8 and 9 runs up to the point of comparison of the currently measured motor current value l (t 0 ) with the reference value l ref as described above, but now when the reference value is exceeded l ref is not immediately given the signal for stopping or reversing the motor operation by the currently measured motor current value l (t 0 ), but is first checked whether the additional condition that the content of the Counter 8 (“greater”) also exceeds the threshold value s Gr provided for this.
  • Counter 9 is used to reset counter 8 ("larger") in such a way that in the event that the content of counter 9 ("smaller”) exceeds the threshold value s ⁇ * assigned to it , the content of the counter 8 ("greater”) is reset to the initial value "zero” regardless of the counter value currently present in this.

Landscapes

  • Window Of Vehicle (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Direct Current Motors (AREA)
  • Stopping Of Electric Motors (AREA)

Abstract

L"invention concerne un procédé pour surveiller et influer sur un moteur électrique qui est associé, par l"intermédiaire d"un système de régulation, à un objet mobile, présent notamment sur un véhicule automobile, par exemple une fenêtre ou un toit ouvrant. L"invention vise à permettre de reconnaître de façon fiable le pincement d"un corps étranger de sorte que la fenêtre ou le toit ouvrant puisse être arrêté à temps ou de sorte que le sens de déplacement de ces derniers soit inversé à temps, sans qu"il soit nécessaire pour autant de faire appel à un calcul complexe de bilans énergétiques, de forces de pincement etc. et/ou à l"étude de courbes de forces dans une fenêtre temporelle englobant la totalité du processus de pincement. A cet effet, pour obtenir un critère d"arrêt ou d"inversion du sens de déplacement, une valeur de mesure actuelle d"intensité de moteur I(tO) est comparée à une valeur de référence Iref formée à partir d"une valeur d"intensité de moteur I(t-N) mise en mémoire, mesurée antérieurement, un certain nombre de rotations du moteur auparavant, avec prise en considération d"autres paramètres.
EP01925394A 2000-03-11 2001-03-08 Procede pour surveiller et reguler un moteur electrique Withdrawn EP1264381A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10011982A DE10011982B4 (de) 2000-03-11 2000-03-11 Verfahren zur Überwachung und Beeinflussung eines Elektromotors
DE10011982 2000-03-11
PCT/EP2001/002596 WO2001069747A1 (fr) 2000-03-11 2001-03-08 Procede pour surveiller et reguler un moteur electrique

Publications (1)

Publication Number Publication Date
EP1264381A1 true EP1264381A1 (fr) 2002-12-11

Family

ID=7634411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01925394A Withdrawn EP1264381A1 (fr) 2000-03-11 2001-03-08 Procede pour surveiller et reguler un moteur electrique

Country Status (6)

Country Link
US (1) US6548974B2 (fr)
EP (1) EP1264381A1 (fr)
JP (1) JP2003527057A (fr)
BR (1) BRPI0107381B1 (fr)
DE (1) DE10011982B4 (fr)
WO (1) WO2001069747A1 (fr)

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DE10147559A1 (de) * 2001-09-26 2003-04-10 Wanzl Metallwarenfabrik Kg Antriebsanordnung
EP1545507A4 (fr) * 2002-07-17 2009-04-22 Arqule Inc Therapie par l'activation de points de controle activee et ses procedes d'utilisation
JP3842205B2 (ja) * 2002-11-19 2006-11-08 矢崎総業株式会社 パワーウインドの駆動装置
WO2004050033A2 (fr) * 2002-12-02 2004-06-17 Arqule, Inc. Methodes de traitement de cancers
DE10325888B4 (de) * 2003-06-06 2008-04-30 Siemens Ag Verfahren zum Betreiben einer Stelleinrichtung für ein fremdbetätigtes Stellglied
BR0303419A (pt) * 2003-08-25 2005-05-10 Jcae Do Brasil Ltda Sistema de controle de movimentação de dispositivos movidos por motores elétricos de corrente contìnua
DE202004010211U1 (de) * 2004-06-30 2005-08-18 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Steuerungsvorrichtung zur Steuerung einer Verstelleinrichtung eines Kraftfahrzeuges
FR2873737B1 (fr) * 2004-07-30 2008-10-31 Arvinmeritor Light Vehicle Sys Systeme anti-pincement
US7170244B2 (en) * 2005-03-18 2007-01-30 Dura Global Technologies, Inc. Power closure with anti-pinch
DE202005015869U1 (de) 2005-10-06 2007-02-15 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Steuerungsvorrichtung einer Verstelleinrichtung eines Kraftfahrzeugs
JP4763509B2 (ja) * 2006-05-23 2011-08-31 アイシン精機株式会社 リプル検出装置
CN102536037B (zh) * 2010-12-09 2015-09-30 天津市松正电动汽车技术股份有限公司 一种电动车窗控制器及防夹控制方法
US9121687B2 (en) * 2010-12-24 2015-09-01 Rib Laboratory, Inc. Pinch detection device at opening/closing section, vehicle having the device, and method for detecting pinch at the opening/closing section
CN103244004B (zh) * 2013-05-13 2015-05-20 清华大学 一种电动车窗防夹参数自动匹配方法
US11512505B2 (en) 2016-03-31 2022-11-29 Trimark Corporation Motorized movable strike for a vehicle door
CN105927090B (zh) * 2016-06-30 2017-10-24 北京经纬恒润科技有限公司 门窗玻璃的位置检测方法、装置、门窗控制系统和汽车
CN211405910U (zh) * 2019-07-30 2020-09-01 丹佛斯（天津）有限公司 参数控制系统以及电机

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Also Published As

Publication number Publication date
BRPI0107381B1 (pt) 2016-09-06
DE10011982B4 (de) 2008-03-27
BR0107381A (pt) 2002-11-26
US6548974B2 (en) 2003-04-15
JP2003527057A (ja) 2003-09-09
DE10011982A1 (de) 2001-09-27
US20020180389A1 (en) 2002-12-05
WO2001069747A1 (fr) 2001-09-20

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