EP2851540A3 - Anti-lug and anti-stall control unit - Google Patents

Anti-lug and anti-stall control unit Download PDF

Info

Publication number
EP2851540A3
EP2851540A3 EP14185537.9A EP14185537A EP2851540A3 EP 2851540 A3 EP2851540 A3 EP 2851540A3 EP 14185537 A EP14185537 A EP 14185537A EP 2851540 A3 EP2851540 A3 EP 2851540A3
Authority
EP
European Patent Office
Prior art keywords
engine
control unit
operating parameter
hydraulic pump
predetermined range
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.)
Granted
Application number
EP14185537.9A
Other languages
German (de)
French (fr)
Other versions
EP2851540A2 (en
EP2851540B1 (en
Inventor
Mark Carthy
Kevin Clarke
Mel Williams
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.)
JC Bamford Excavators Ltd
Original Assignee
JC Bamford Excavators 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 JC Bamford Excavators Ltd filed Critical JC Bamford Excavators Ltd
Publication of EP2851540A2 publication Critical patent/EP2851540A2/en
Publication of EP2851540A3 publication Critical patent/EP2851540A3/en
Application granted granted Critical
Publication of EP2851540B1 publication Critical patent/EP2851540B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F02D29/04—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 pumps
    • 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
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2232—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps
    • E02F9/2235—Control of flow rate; Load sensing arrangements using one or more variable displacement pumps including an electronic controller
    • 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
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
    • 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
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413—Controller structures or design
    • F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/18—Control of the engine output torque
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2250/00—Engine control related to specific problems or objectives
    • F02D2250/18—Control of the engine output torque
    • F02D2250/24—Control of the engine output torque by using an external load, e.g. a generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
    • F02D31/001—Electric control of rotation speed
    • F02D31/007—Electric control of rotation speed controlling fuel supply
    • 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
    • F02D41/0205—Circuit arrangements for generating control signals using an auxiliary engine speed control
    • 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
    • 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

Landscapes

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

Abstract

A control unit which controls the operation of an engine which powers a hydraulic pump and a powertrain of a vehicle; the control unit configured to selectively vary the power supplied to the hydraulic pump and powertrain by the engine, the control unit further configured to: receive a first operating parameter relating to the output of the engine; and compare the first operating parameter to a first predetermined range indicative of desired engine performance, and if the first operating parameter is outside of the first predetermined range selectively varying the power supplied to the hydraulic pump until the first operating parameter of the engine is within a second predetermined range indicative of engine recovery.
EP14185537.9A 2013-09-20 2014-09-19 Anti-lug and anti-stall control unit Active EP2851540B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1316755.6A GB2518413A (en) 2013-09-20 2013-09-20 Anti-lug and anti-stall control unit

Publications (3)

Publication Number Publication Date
EP2851540A2 EP2851540A2 (en) 2015-03-25
EP2851540A3 true EP2851540A3 (en) 2016-03-09
EP2851540B1 EP2851540B1 (en) 2020-07-01

Family

ID=49553176

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14185537.9A Active EP2851540B1 (en) 2013-09-20 2014-09-19 Anti-lug and anti-stall control unit

Country Status (2)

Country Link
EP (1) EP2851540B1 (en)
GB (1) GB2518413A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11458953B2 (en) * 2019-12-17 2022-10-04 Caterpillar Inc. Control of an engine for a machine with a dual path powertrain
CN112392608A (en) * 2020-12-03 2021-02-23 潍柴动力股份有限公司 Control method, device and equipment of harvesting machine
WO2022251820A1 (en) * 2021-05-27 2022-12-01 Cummins Inc. Dynamic engine speed setting during transient event

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5951258A (en) * 1997-07-09 1999-09-14 Caterpillar Inc. Torque limiting control system for a hydraulic work machine
EP1571339A1 (en) * 2002-12-11 2005-09-07 Hitachi Construction Machinery Co., Ltd. Method and device for controlling pump torque for hydraulic construction machine
US20090269213A1 (en) * 2008-04-24 2009-10-29 Caterpillar Inc. Method of controlling a hydraulic system
WO2009145706A1 (en) * 2008-05-29 2009-12-03 Scania Cv Ab (Publ) Hydraulic device control

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180979A (en) * 1978-06-22 1980-01-01 Eaton Corporation Anti-stall control for electrical hydrostatic transmission control system
US4523892A (en) * 1984-05-14 1985-06-18 Caterpillar Tractor Co. Hydrostatic vehicle control
US5525043A (en) * 1993-12-23 1996-06-11 Caterpillar Inc. Hydraulic power control system
JP3039614B2 (en) * 1995-11-16 2000-05-08 住友建機株式会社 Rack sensor abnormality detection device for detecting engine load factor in crane
JPH10220359A (en) * 1997-01-31 1998-08-18 Komatsu Ltd Controller for variable capacity pump
US6182634B1 (en) * 1999-10-13 2001-02-06 Caterpillar Inc. Low RPM switching tachometer
JP2002054576A (en) * 2000-08-08 2002-02-20 Komatsu Ltd Hydraulic control device of construction machine
JP2005061298A (en) * 2003-08-11 2005-03-10 Kobelco Contstruction Machinery Ltd Construction machine
JP2009197805A (en) * 2009-04-28 2009-09-03 Komatsu Ltd Load control device for engine of working vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5951258A (en) * 1997-07-09 1999-09-14 Caterpillar Inc. Torque limiting control system for a hydraulic work machine
EP1571339A1 (en) * 2002-12-11 2005-09-07 Hitachi Construction Machinery Co., Ltd. Method and device for controlling pump torque for hydraulic construction machine
US20090269213A1 (en) * 2008-04-24 2009-10-29 Caterpillar Inc. Method of controlling a hydraulic system
WO2009145706A1 (en) * 2008-05-29 2009-12-03 Scania Cv Ab (Publ) Hydraulic device control

Also Published As

Publication number Publication date
GB2518413A (en) 2015-03-25
GB201316755D0 (en) 2013-11-06
EP2851540A2 (en) 2015-03-25
EP2851540B1 (en) 2020-07-01

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