EP2657492B1 - Système de commande de faible ralenti d'équipement de construction et son procédé de commande automatique - Google Patents

Système de commande de faible ralenti d'équipement de construction et son procédé de commande automatique Download PDF

Info

Publication number
EP2657492B1
EP2657492B1 EP11850744.1A EP11850744A EP2657492B1 EP 2657492 B1 EP2657492 B1 EP 2657492B1 EP 11850744 A EP11850744 A EP 11850744A EP 2657492 B1 EP2657492 B1 EP 2657492B1
Authority
EP
European Patent Office
Prior art keywords
sensor
angle
steering
sensing means
accelerator pedal
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.)
Active
Application number
EP11850744.1A
Other languages
German (de)
English (en)
Other versions
EP2657492A2 (fr
EP2657492A4 (fr
Inventor
Kwang Seok Park
Sung Il Kim
Hee Jun Jeong
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.)
HD Hyundai Infracore Co Ltd
Original Assignee
Doosan Infracore 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 Doosan Infracore Co Ltd filed Critical Doosan Infracore Co Ltd
Publication of EP2657492A2 publication Critical patent/EP2657492A2/fr
Publication of EP2657492A4 publication Critical patent/EP2657492A4/fr
Application granted granted Critical
Publication of EP2657492B1 publication Critical patent/EP2657492B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/021—Introducing corrections for particular conditions exterior to the engine
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
    • E02F9/2062—Control of propulsion units
    • E02F9/2066—Control of propulsion units of the type combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/08—Introducing corrections for particular operating conditions for idling
    • F02D41/083—Introducing corrections for particular operating conditions for idling taking into account engine load variation, e.g. air-conditionning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00

Definitions

  • the present invention relates to a low idle control system of construction equipment and an automatic control method thereof, and more particularly, to a low idle control system of construction equipment and an automatic control method thereof, capable of implementing an effective auto idle function by accurately recognizing a state of using equipment.
  • the excavators perform various operations such as operations of excavating, leveling the ground, compacting the ground, lifting heavy objects, and the like.
  • the excavator has a working device including a boom, an arm, and a bucket, and work of the excavator is performed by controlling the working device including the boom, the arm, and the bucket by operating each corresponding actuator (or a hydraulic cylinder).
  • the wheel loader refers to equipment that is used to perform civil work at construction sites, and is widely used to perform operations of conveying powder materials such as soil, sand, or the like, loading or unloading conveyed soil and sand onto or from freight vehicles, leveling ground for road, removing snow, towing vehicles, and the like.
  • a technology of converting a state of an engine into an idle state so as to improve fuel efficiency is generally applied in a case in which pressure of working oil in an accelerator pedal, a steering part, and a front unit is not varied for a predetermined time.
  • This function is typically referred to as an 'auto idle function'.
  • a no-load operation for example, a bucket dump, a boom floating that the boom is lowered by its own weight, or the like, may occur during performing work.
  • a variation in pressure of the front unit is very small when the no-load operations are performed, it may be recognized that the equipment does not work. Accordingly, a case occurs in which the equipment enters the aforementioned auto idle state, or the auto idle state, which is already in progress, is continued.
  • the aforementioned no-load operation is frequently converted directly into a load operation, and in this case, because the auto idle state needs to be suddenly released, there is a problem in that the engine is stopped (engine stall), or an increase in output of the engine is delayed.
  • KR 2010 0075339 A relates to a device for controlling the rpm of an engine comprising a sensor unit, an engine control unit and an equipment control unit.
  • US 5 627 467 A relates to a device for sensing the displacement of working members in industrial equipment including cheap analog inductive sensors capable of maintaining the sensing characteristics irrespective of moisture and leaking water, thereby precisely sensing the displacements of the working members.
  • the present invention has been made in an effort to solve the aforementioned problem, and an object of the present invention is to provide a low idle control system of construction equipment and an automatic control method thereof, capable of implementing an effective auto idle function by more accurately recognizing a state of using equipment.
  • a low idle control system of construction equipment including: a front angle change sensing means which detects an operation of at least a part of a front unit through changes in an angle; a controller which is electrically connected to the front angle change sensing means, determines whether to enter an auto idle state by receiving an output signal that is transmitted from the front angle change sensing means, and generates an rpm control signal corresponding to the result of the determination on whether to enter the auto idle state; and an ECU which controls the rpm of an engine by receiving the rpm control signal outputted from the controller.
  • the front angle change sensing means may include at least one of a boom angle sensor which is installed at an upper turning unit and detects a change in an angle of a boom, an arm angle sensor which is installed at the boom and detects a change in an angle of an arm, and a bucket angle sensor which is installed at the arm and detects a change in an angle of a bucket.
  • the low idle control system of construction equipment may further include: an accelerator pedal sensor which detects operating pressure of an accelerator pedal or a change in angle of the accelerator pedal; and a steering sensor which detects a change in angle or operating pressure of a steering wheel or a steering joystick, in which the controller may additionally consider signals outputted from the accelerator pedal sensor and the steering sensor, at the time of determining whether to enter the auto idle state.
  • the low idle control system of construction equipment may further include: a working oil pressure sensor which detects pilot pressure that is generated corresponding to pressure of working oil supplied to drive a working device of the front unit, or an operation of an operating lever for operating the front unit, in which the controller may additionally consider a signal outputted from the working oil pressure sensor, at the time of determining whether to enter the auto idle state.
  • the present disclosure provides an automatic control method of a low idle control system of construction equipment, including: monitoring output signals that are received from a steering sensor, an accelerator pedal sensor, and a front angle change sensing means (S20); determining whether a preset output signal corresponding to a steering pressure reference value or less from the steering sensor, an off signal from the accelerator pedal sensor, and an off signal from the front angle change sensing means are continued for a predetermined time or more (S22); entering an auto idle mode by recognizing that the equipment does not work when it is determined that the condition is continued for a predetermined time or more according to the determination result of step S22 (S24); and outputting normal rpm by inputting a preset control signal into the ECU, which controls the engine, when it is determined that the condition is not satisfied according to the determination result of step S22 (S22a).
  • the present disclosure further provides the following specific exemplary aspects.
  • the automatic control method of a low idle control system of construction equipment may further include: determining, after step S24, whether at least one of a preset output signal corresponding to a steering pressure reference value or more from the steering sensor, an operating signal from the accelerator pedal sensor, and an operating signal from the front angle change sensing means is received (S26), in which when it is determined that at least a signal of the signals is received according to the determination result, a preset control signal is inputted into the ECU, which controls the engine, and normal rpm is outputted (S22a).
  • the present invention additionally provides an angle change sensing means, which may detect an operation of a front unit through changes of the angle of the front unit, in addition to the existing partial input elements (a steering sensor and an accelerator pedal sensor) that are used to determine a state of using equipment, and an ECU may be controlled by a controller using signals of the aforementioned components, thereby implementing an effective auto idle function by more accurately recognizing a state of using the equipment.
  • an angle change sensing means may detect an operation of a front unit through changes of the angle of the front unit, in addition to the existing partial input elements (a steering sensor and an accelerator pedal sensor) that are used to determine a state of using equipment, and an ECU may be controlled by a controller using signals of the aforementioned components, thereby implementing an effective auto idle function by more accurately recognizing a state of using the equipment.
  • FIGS. 1 and 2 an exemplary aspect of an automatic control method of a low idle control system of construction equipment according to the present disclosure will be described with reference to FIGS. 1 and 2 .
  • a low idle control system of construction equipment may include a front angle change sensing means 10, a controller 3, and an ECU 4.
  • the front angle change sensing means 10 detects an operation of at least a part of a front unit (for example, a working device) through changes in an angle.
  • the controller 3 is electrically connected to the front angle change sensing means 10.
  • the controller 3 determines whether to enter an auto idle state by receiving an output signal that is transmitted from the front angle change sensing means 10, and generates an rpm control signal corresponding to the result of the determination on whether to enter the auto idle state.
  • the ECU 4 controls the rpm of an engine 5 by receiving the rpm control signal outputted from the controller 3.
  • a low idle control system of construction equipment may further include a steering sensor 1, and an accelerator pedal sensor 2.
  • the steering sensor 1 detects an operation of a steering wheel or a steering joystick through changes in pressure or an angle
  • the accelerator pedal sensor 2 detects an operation of an accelerator pedal through changes in pressure or an angle.
  • a working oil pressure sensor 9 which measures pilot pressure that is generated corresponding to pressure of working oil supplied to drive a drive unit of the existing steering device and the existing front working device, or an operation of an operating lever, may be used.
  • the controller 3 first confirms whether to enter an auto idle mode on the basis of an inputted signal from the working oil pressure sensor 9, and then may determine whether to enter/release the auto idle mode according to the detection result of the front angle change sensing means 10.
  • the problem of the related art may be solved only by additionally installing the front angle change sensing means 10, which may be comparatively easily installed in the front working device, in the existing equipment, and correcting a control method as described above.
  • the controller 3 is electrically connected to the steering sensor 1 and the accelerator pedal sensor 2, or the working oil pressure sensor 9, respectively. Accordingly, the controller 3 may additionally consider signals outputted from the accelerator pedal sensor 2 and the steering sensor 1, or a signal outputted from the working oil pressure sensor 9, at the time of determining whether to enter the auto idle mode.
  • the ECU 4 may control the rpm of the engine 5 by receiving the rpm control signal corresponding to output signals from the steering sensor 1, the accelerator pedal sensor 2, and the front angle change sensing means 10 in the controller 3.
  • the front angle change sensing means 10 may be configured by at least one of a boom angle sensor 11 which is installed at an upper turning unit and detects a change in an angle of a boom, an arm angle sensor 12 which is installed at the boom and detects a change in an angle of an arm, and a bucket angle sensor 13 which is installed at the arm and detects a change in an angle of a bucket.
  • the front angle change sensing means 10 may implement a function of entering/releasing the auto idle state corresponding to most operations except for traveling/turning operations.
  • all of the steering sensor 1, the accelerator pedal sensor 2, the working oil pressure sensor 9, and the front angle change sensing means 10, which are described above, may be installed.
  • the controller 3 monitors output signals that are received from the steering sensor 1, the accelerator pedal sensor 2, and the front angle change sensing means 10 (S20).
  • step S24 when it is determined that the aforementioned condition is continued for a predetermined time (for example, 5 seconds) or more according to the determination result of step S22, it is recognized that the equipment does not work, and then the equipment enters the auto idle mode (S24).
  • a predetermined time for example, 5 seconds
  • step S22 when it is determined that the aforementioned condition is not satisfied according to the determination result of step S22, a preset control signal is inputted into the ECU 4, which controls the engine 5, and normal rpm is outputted (S22a).
  • step S24 it is determined whether at least one of a preset output signal corresponding to a steering pressure reference value or more from the steering sensor 1, an operating signal from the accelerator pedal sensor 2, and an operating signal from the front angle change sensing means 10 is received (S26).
  • step S26 When it is determined that at least a signal of the aforementioned signals is received according to the determination result of step S26, a preset control signal is inputted into the ECU 4, which controls the engine 5, and normal rpm is outputted (S22a).
  • the present invention additionally provides an angle change sensing means, which may detect an operation of a front unit through changes in the angle of the front unit, in addition to the existing partial input elements (a steering sensor, an accelerator pedal sensor, and a working oil pressure sensor) that are used to determine a state of using equipment, and an ECU may be controlled by a controller using signals of the aforementioned components, thereby implementing an effective auto idle function by more accurately recognizing a state of using the equipment.
  • an angle change sensing means may detect an operation of a front unit through changes in the angle of the front unit, in addition to the existing partial input elements (a steering sensor, an accelerator pedal sensor, and a working oil pressure sensor) that are used to determine a state of using equipment, and an ECU may be controlled by a controller using signals of the aforementioned components, thereby implementing an effective auto idle function by more accurately recognizing a state of using the equipment.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Claims (5)

  1. Système de commande de ralenti bas d'engin de chantier, comprenant :
    un moyen de détection de variation d'angle d'incidence (10) qui détecte un actionnement d'au moins une partie d'une unité avant, par le biais de variations d'un angle ;
    un dispositif de commande (3) qui est connecté électriquement au moyen de détection de variation d'angle d'incidence (10), qui détermine s'il faut passer à un état de ralenti automatique en recevant un signal de sortie qui est transmis par le moyen de détection de variation d'angle d'incidence (10), et qui produit un signal de commande de régime correspondant au résultat de la détermination de ce qu'il faut ou non passer à l'état de ralenti automatique ;
    une unité UCE (4) qui commande le régime d'un moteur (5) en recevant le signal de commande de régime délivré par le dispositif de commande (3) ; et
    un capteur de pression d'huile de travail (9) qui détecte une pression pilote qui est engendrée en correspondance avec la pression d'huile de travail fournie pour entraîner un dispositif de travail de l'unité avant, ou un actionnement de levier de manoeuvre destiné à actionner l'unité avant,
    dans lequel le dispositif de commande (3) prend en considération en outre un signal délivré par le capteur de pression d'huile de travail (9), au moment de déterminer s'il faut passer à l'état de ralenti automatique.
  2. Système de commande de ralenti bas d'engin de chantier selon la revendication 1, dans lequel le moyen de détection de variation d'angle d'incidence (10) inclut au moins un capteur parmi un capteur d'angle de flèche (11) qui est installé sur une unité rotative supérieure et qui détecte une variation d'angle d'une flèche, un capteur d'angle de bras (12) qui est installé sur la flèche et qui détecte une variation d'angle d'un bras, et un capteur d'angle de godet (13) qui est installé sur le bras et qui détecte une variation d'angle d'un godet.
  3. Système de commande de ralenti bas d'engin de chantier selon la revendication 1, comprenant en outre :
    un capteur de pédale d'accélérateur (2) qui détecte une pression d'actionnement d'une pédale d'accélérateur ou une variation d'angle de la pédale d'accélérateur ; et
    un capteur de direction (1) qui détecte une variation d'angle ou de pression de manoeuvre d'un volant de direction ou d'un levier de direction,
    dans lequel le dispositif de commande (3) prend en considération en outre des signaux délivrés par le capteur de pédale d'accélérateur (2) et le capteur de direction (1), au moment de déterminer s'il faut passer à l'état de ralenti automatique.
  4. Procédé de commande automatique d'un système de commande de ralenti bas d'engin de chantier, comprenant les étapes suivantes :
    surveiller des signaux de sortie qui sont reçus en provenance d'un capteur de direction, d'un capteur de pédale d'accélérateur, d'un moyen de détection de variation d'angle d'incidence et d'un capteur de pression d'huile de travail (S20) ;
    déterminer si un signal de sortie prédéfini correspondant à une valeur de référence de pression de direction, ou inférieur à celle-ci, provenant du capteur de direction, un signal d'arrêt provenant du capteur de pédale d'accélérateur, et un signal d'arrêt provenant du moyen de détection de variation d'angle d'incidence, ainsi qu'un signal délivré par le capteur de pression d'huile de travail persistent pendant une durée supérieure ou égale à une durée prédéterminée (S22) ;
    passer à un mode de ralenti automatique en reconnaissant que l'engin ne fonctionne pas, lorsqu'il est déterminé que la condition persiste pendant une durée supérieure ou égale à une durée prédéterminée, selon le résultat de détermination de l'étape (S22) (S24) ; et
    produire un régime normal en appliquant un signal de commande prédéfini à l'unité UCE qui commande le moteur, lorsqu'il est déterminé que la condition n'est pas satisfaite, selon le résultat de détermination de l'étape (S22) (S22a),
    dans lequel le capteur de pression d'huile de travail détecte une pression pilote qui est engendrée en correspondance avec la pression d'huile de travail fournie pour entraîner un dispositif de travail de l'unité avant, ou un actionnement de levier de manoeuvre destiné à actionner l'unité avant.
  5. Procédé de commande automatique d'un système de commande de ralenti bas d'engin de chantier selon la revendication 4, comprenant les étapes suivantes :
    déterminer, après l'étape (S24), si au moins un signal parmi un signal de sortie prédéfini correspondant à une valeur de référence de pression de direction, ou supérieur à celle-ci, provenant du capteur de direction, un signal d'actionnement provenant du capteur de pédale d'accélérateur, et un signal d'actionnement provenant du moyen de détection de variation d'angle d'incidence (S26) est reçu,
    dans lequel lorsqu'il est déterminé que l'un au moins des signaux est reçu, selon le résultat de détermination, un signal de commande prédéfini est appliqué à l'unité UCE qui commande le moteur, et un régime normal est produit (S22a).
EP11850744.1A 2010-12-21 2011-12-21 Système de commande de faible ralenti d'équipement de construction et son procédé de commande automatique Active EP2657492B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100131189A KR101685206B1 (ko) 2010-12-21 2010-12-21 건설장비의 로우아이들 제어 시스템 및 그 자동 제어방법
PCT/KR2011/009920 WO2012087020A2 (fr) 2010-12-21 2011-12-21 Système de commande de faible ralenti d'équipement de construction et son procédé de commande automatique

Publications (3)

Publication Number Publication Date
EP2657492A2 EP2657492A2 (fr) 2013-10-30
EP2657492A4 EP2657492A4 (fr) 2017-06-28
EP2657492B1 true EP2657492B1 (fr) 2019-08-14

Family

ID=46314627

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11850744.1A Active EP2657492B1 (fr) 2010-12-21 2011-12-21 Système de commande de faible ralenti d'équipement de construction et son procédé de commande automatique

Country Status (5)

Country Link
US (1) US20130289834A1 (fr)
EP (1) EP2657492B1 (fr)
KR (1) KR101685206B1 (fr)
CN (1) CN103261643B (fr)
WO (1) WO2012087020A2 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5562893B2 (ja) * 2011-03-31 2014-07-30 住友建機株式会社 ショベル
KR20140109883A (ko) * 2011-12-15 2014-09-16 볼보 컨스트럭션 이큅먼트 에이비 건설기계의 효율 양호 rpm 구간 표시 장치
CN103422528B (zh) * 2013-08-24 2015-04-01 烟台兴业机械股份有限公司 一种地下铲运机的智能控制系统
JP6415839B2 (ja) * 2014-03-31 2018-10-31 住友重機械工業株式会社 ショベル
CN105221276B (zh) * 2014-10-15 2019-03-19 徐州重型机械有限公司 一种发动机转速的控制方法、系统及起重机
CN111821148B (zh) * 2020-06-19 2022-09-09 王从和 按摩机构空转状态监测平台及方法

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159835B1 (fr) * 1984-03-30 1987-06-10 Kabushiki Kaisha Komatsu Seisakusho Méthode et dispositif de contrôle d'un moteur
JPS60256528A (ja) * 1984-05-31 1985-12-18 Komatsu Ltd 油圧駆動機械のエンジン制御方法
KR910009257B1 (ko) * 1985-09-07 1991-11-07 히다찌 겡끼 가부시기가이샤 유압건설기계의 제어시스템
JPS62142834A (ja) * 1985-12-17 1987-06-26 Komatsu Ltd クレ−ンのエンジン制御装置
KR970000491B1 (ko) * 1991-01-28 1997-01-13 히다치 겐키 가부시키가이샤 유압건설기계의 유압제어장치
US5479908A (en) * 1994-05-26 1996-01-02 Ingersoll-Rand Company Engine speed control device
US5480364A (en) * 1994-08-15 1996-01-02 Caterpillar Inc. Elevated idle speed control and method of operating same
KR960024253A (ko) * 1994-12-23 1996-07-20 김무 산업용 작업기기의 회전체변위 측정장치
JP3520301B2 (ja) * 1995-09-18 2004-04-19 コベルコ建機株式会社 油圧作業機のエンジン回転数の制御方法
US5957989A (en) * 1996-01-22 1999-09-28 Hitachi Construction Machinery Co. Ltd. Interference preventing system for construction machine
US6098322A (en) * 1996-12-12 2000-08-08 Shin Caterpillar Mitsubishi Ltd. Control device of construction machine
JP3608900B2 (ja) * 1997-03-10 2005-01-12 新キャタピラー三菱株式会社 建設機械の制御方法および制御装置
KR19990005275A (ko) * 1997-06-30 1999-01-25 토니 헬샴 콘크리트 펌프차의 엔진회전수 자동조절방법
JP3364419B2 (ja) * 1997-10-29 2003-01-08 新キャタピラー三菱株式会社 遠隔無線操縦システム並びに遠隔操縦装置，移動式中継局及び無線移動式作業機械
AU4690899A (en) * 1998-06-18 2000-01-05 Kline & Walker Llc Automated devices to control equipment and machines with remote control and accountability worldwide
EP1442240A1 (fr) * 2001-10-12 2004-08-04 Clark Equipment Company Systeme de commande d'un engin sur roues
JP4082935B2 (ja) * 2002-06-05 2008-04-30 株式会社小松製作所 ハイブリッド式建設機械
JP2004150304A (ja) * 2002-10-29 2004-05-27 Komatsu Ltd エンジンの制御装置
JP4173121B2 (ja) * 2003-09-02 2008-10-29 株式会社小松製作所 建設機械の運転システム
WO2005024208A1 (fr) * 2003-09-02 2005-03-17 Komatsu Ltd. Procede et dispositif de commande de la puissance de sortie d'un moteur pour machine de travail
SE533161C2 (sv) * 2005-10-14 2010-07-13 Komatsu Mfg Co Ltd Anordning och metod för att styra motor och hydraulpump hos ett arbetsfordon
JP5040242B2 (ja) * 2006-09-29 2012-10-03 井関農機株式会社 コンバイン
JP5134238B2 (ja) * 2006-12-15 2013-01-30 株式会社小松製作所 作業車両のエンジン負荷制御装置
JP4812843B2 (ja) * 2007-01-18 2011-11-09 株式会社小松製作所 エンジンの制御装置及びその制御方法
JP5264091B2 (ja) * 2007-03-09 2013-08-14 カヤバ工業株式会社 メカニカルスロットル車両のオートモーティブ制御装置
JP5069518B2 (ja) * 2007-08-10 2012-11-07 日立建機株式会社 作業機械の走行システム
JP5204783B2 (ja) * 2007-11-06 2013-06-05 日立建機株式会社 作業車両の排気ガス浄化システム
KR101549253B1 (ko) * 2008-12-24 2015-09-01 두산인프라코어 주식회사 건설장비의 아이들 상태에서 엔진 회전수 제어 장치 및 방법
JP2010220487A (ja) * 2009-03-19 2010-10-07 Yanmar Co Ltd 田植機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
KR20120069868A (ko) 2012-06-29
CN103261643A (zh) 2013-08-21
US20130289834A1 (en) 2013-10-31
EP2657492A2 (fr) 2013-10-30
WO2012087020A2 (fr) 2012-06-28
KR101685206B1 (ko) 2016-12-12
EP2657492A4 (fr) 2017-06-28
CN103261643B (zh) 2017-02-15
WO2012087020A3 (fr) 2012-09-07

Similar Documents

Publication Publication Date Title
EP2657492B1 (fr) Système de commande de faible ralenti d'équipement de construction et son procédé de commande automatique
EP2543776B1 (fr) Véhicule de chantier et procédé de commande associé
EP2667059B1 (fr) Monteuse chargeuse sur roues et son procédé de contrôle
US9303636B2 (en) System for controlling hydraulic pump in construction machine
US8571763B2 (en) Construction vehicle provided with work equipment
US9145657B2 (en) System for controlling land leveling work which uses an excavator
WO2011102209A1 (fr) Véhicule de travail et procédé de commande d'un véhicule de travail
US20110040459A1 (en) Working vehicle, control device for working vehicle, and hydraulic oil amount control method for working vehicle
AU2011332298A1 (en) Implement induced machine pitch detection
KR20140064783A (ko) 건설차량을 제어하기 위한 방법
US8548692B2 (en) Travel vibration suppressing device of work vehicle
EP2700799A1 (fr) Chargeuse à roues et procédé de commande d'une chargeuse à roues
US11035099B2 (en) Work vehicle
US11242666B2 (en) Shovel
KR20130105683A (ko) 건설중장비의 트랜스미션 컷 오프 제어장치 및 제어방법
US11225771B2 (en) Shovel
WO2022158168A1 (fr) Engin de chantier
US9759147B2 (en) Idle return system and method for an off highway vehicle
KR20120072608A (ko) 건설장비의 로우아이들 회전수 자동 제어방법
KR20100071501A (ko) 건설기계의 동력제어장치
CN114270024A (zh) 发动机控制系统、作业机械以及作业机械的控制方法
CN115450278A (zh) 一种装载机铲斗辅助铲掘控制方法
KR20130087079A (ko) 건설기계의 디텐트 기능 자동 튜닝 시스템

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20130624

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20170530

RIC1 Information provided on ipc code assigned before grant

Ipc: F02D 45/00 20060101ALI20170522BHEP

Ipc: F02D 41/08 20060101AFI20170522BHEP

Ipc: F02D 35/00 20060101ALI20170522BHEP

Ipc: F02D 29/02 20060101ALI20170522BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20190307

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: AT

Ref legal event code: REF

Ref document number: 1167309

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190815

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602011061344

Country of ref document: DE

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20190814

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191216

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191114

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191114

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 1167309

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191214

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20191115

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20200224

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602011061344

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG2D Information on lapse in contracting state deleted

Ref country code: IS

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26N No opposition filed

Effective date: 20200603

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20191231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191221

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191221

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191231

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191231

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191231

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20111221

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 602011061344

Country of ref document: DE

Owner name: HYUNDAI DOOSAN INFRACORE CO., LTD., KR

Free format text: FORMER OWNER: DOOSAN INFRACORE CO., LTD., DONG-GU, INCHEON, KR

Ref country code: DE

Ref legal event code: R081

Ref document number: 602011061344

Country of ref document: DE

Owner name: HD HYUNDAI INFRACORE CO., LTD., KR

Free format text: FORMER OWNER: DOOSAN INFRACORE CO., LTD., DONG-GU, INCHEON, KR

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190814

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 602011061344

Country of ref document: DE

Owner name: HD HYUNDAI INFRACORE CO., LTD., KR

Free format text: FORMER OWNER: HYUNDAI DOOSAN INFRACORE CO., LTD., INCHEON, KR

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20231109

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20231108

Year of fee payment: 13

Ref country code: DE

Payment date: 20231114

Year of fee payment: 13