JP2014508255A - シリンダ停滞ストラテジを有する油圧制御システム - Google Patents
シリンダ停滞ストラテジを有する油圧制御システム Download PDFInfo
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- JP2014508255A JP2014508255A JP2013556788A JP2013556788A JP2014508255A JP 2014508255 A JP2014508255 A JP 2014508255A JP 2013556788 A JP2013556788 A JP 2013556788A JP 2013556788 A JP2013556788 A JP 2013556788A JP 2014508255 A JP2014508255 A JP 2014508255A
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- 239000012530 fluid Substances 0.000 claims abstract description 132
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 3
- 230000033001 locomotion Effects 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 description 8
- 230000004044 response Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000011217 control strategy Methods 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
-
- 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
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
-
- 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
- E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
- E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves 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
- E02F9/2278—Hydraulic circuits
- E02F9/2296—Systems with a variable displacement pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20523—Internal combustion engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
- F15B2211/30575—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve in a Wheatstone Bridge arrangement (also half bridges)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6309—Electronic controllers using input signals representing a pressure the pressure being a pressure source supply pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6346—Electronic controllers using input signals representing a state of input means, e.g. joystick position
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Operation Control Of Excavators (AREA)
Abstract
Description
Claims (10)
- 油圧回路(50)と、
油圧回路に加圧流体を供給するように構成されたポンプ(52)と、
油圧回路から加圧流体を受け取るように流体接続された第1の流体アクチュエータ(20)と、
第1の流体アクチュエータへの流体の流れを制御するように移動可能な第1の弁機構(54)と、
油圧回路から加圧流体を受け取るように流体接続された第2の流体アクチュエータ(26)と、
第2の流体アクチュエータへの流体の流れを制御するように移動可能な第2の弁機構(56)と、
第1の弁機構および第2の弁機構と通信する制御装置(58)とを備える油圧制御システム(48)であって、制御装置(58)が、
第1の流体アクチュエータの停滞状態の判断を行い、
判断に基づいて、第2の弁機構に向けられる流量指令を選択的に変更する
ように構成される油圧制御システム(48)。 - 制御装置が、第1の流体アクチュエータが停滞状態であると判断されるときに、第1の弁機構に向けられた流量指令にほぼ等しい量だけ、第2の弁機構に向けられた流量指令を選択的に増加するように構成される請求項1に記載の油圧制御システム。
- 制御装置が、しきい値限界未満の速度で流量指令を選択的に増加するように構成される請求項2に記載の油圧制御システム。
- しきい値限界が、約100〜1500 lpm/秒である請求項3に記載の油圧制御システム。
- 制御装置が、第1の流体アクチュエータが停滞状態であると判断されるときに、第1の弁機構に向けられた流量指令を選択的に制限するように構成される請求項2に記載の油圧制御システム。
- 制御装置が、第1の弁機構に向けられた流量指令を最大流量指令の約10〜50%に選択的に制限するように構成される請求項5に記載の油圧制御システム。
- ポンプの出力が、第1の流体アクチュエータの停滞状態前または停滞状態中に実質的に変化しない請求項2に記載の油圧制御システム。
- ポンプが、油圧機械式の負荷感知ポンプである請求項7に記載の油圧制御システム。
- 機械(10)を動作させる方法であって、
流体を加圧するステップと、
第1の様式で機械を移動させるために、加圧流体の第1の流れを向けるステップと、
第2の様式で機械を移動させるために、加圧流体の第2の流れを向けるステップと、
第1の様式での機械の移動に関連付けられる停滞状態の判断を行うステップと、
判断に基づいて、第2の流れの変化を選択的に指令するステップと
を含む方法。 - 変化を選択的に指令するステップが、第1の様式での機械の移動が停滞していると判断されるときに、第1の流れとほぼ等しい量だけの第2の流れの増加を選択的に指令するステップを含む請求項9に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/036,712 | 2011-02-28 | ||
US13/036,712 US8813486B2 (en) | 2011-02-28 | 2011-02-28 | Hydraulic control system having cylinder stall strategy |
PCT/US2012/026845 WO2012166225A2 (en) | 2011-02-28 | 2012-02-28 | Hydraulic control system having cylinder stall strategy |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014508255A true JP2014508255A (ja) | 2014-04-03 |
JP6092790B2 JP6092790B2 (ja) | 2017-03-08 |
Family
ID=46718062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013556788A Active JP6092790B2 (ja) | 2011-02-28 | 2012-02-28 | シリンダ停滞ストラテジを有する油圧制御システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US8813486B2 (ja) |
JP (1) | JP6092790B2 (ja) |
CN (1) | CN103403364B (ja) |
BR (1) | BR112013021751A2 (ja) |
DE (1) | DE112012001034T5 (ja) |
WO (1) | WO2012166225A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170077533A (ko) * | 2015-12-28 | 2017-07-06 | 현대건설기계 주식회사 | 건설장비용 전자유압 밸브의 유량제어 시스템 |
Families Citing this family (15)
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---|---|---|---|---|
JP4953325B2 (ja) * | 2009-03-12 | 2012-06-13 | キャタピラー エス エー アール エル | 作業機械 |
US8886415B2 (en) * | 2011-06-16 | 2014-11-11 | Caterpillar Inc. | System implementing parallel lift for range of angles |
US9593461B2 (en) * | 2014-05-19 | 2017-03-14 | Caterpillar Inc. | Work tool pitch control system for a machine |
US9732502B2 (en) | 2015-07-02 | 2017-08-15 | Caterpillar Inc. | Excavation system providing impact detection |
US9903100B2 (en) | 2015-07-02 | 2018-02-27 | Caterpillar Inc. | Excavation system providing automated tool linkage calibration |
US9938688B2 (en) | 2015-07-02 | 2018-04-10 | Caterpillar Inc. | Excavation system providing impact detection |
US9850639B2 (en) | 2015-07-02 | 2017-12-26 | Caterpillar Inc. | Excavation system having velocity based work tool shake |
US9598837B2 (en) | 2015-07-02 | 2017-03-21 | Caterpillar Inc. | Excavation system providing automated stall correction |
US9587369B2 (en) | 2015-07-02 | 2017-03-07 | Caterpillar Inc. | Excavation system having adaptive dig control |
US9932996B2 (en) * | 2015-12-16 | 2018-04-03 | Deere & Company | Electrohydraulic implement pressure cutoff |
US20190048864A1 (en) * | 2016-03-24 | 2019-02-14 | Hydronit S.R.L. | Hydraulic system, smart power unit and operation method of the system |
US10030678B2 (en) * | 2016-06-16 | 2018-07-24 | Deere & Company | Pressure compensated load sense hydraulic system efficiency improvement system and method |
ES2848577T3 (es) * | 2017-02-24 | 2021-08-10 | Sandvik Intellectual Property | Sistema de control hidráulico de regulación para máquina de minería |
CN109138020B (zh) * | 2018-10-26 | 2021-04-23 | 山推工程机械股份有限公司 | 一种推土机万向铲机构设计方法 |
EP4348064A1 (en) * | 2021-06-04 | 2024-04-10 | Danfoss A/S | Actuator deadhead/stall detection in a load sense hydraulic system |
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2011
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-
2012
- 2012-02-28 DE DE112012001034T patent/DE112012001034T5/de active Pending
- 2012-02-28 WO PCT/US2012/026845 patent/WO2012166225A2/en active Application Filing
- 2012-02-28 CN CN201280010848.1A patent/CN103403364B/zh active Active
- 2012-02-28 JP JP2013556788A patent/JP6092790B2/ja active Active
- 2012-02-28 BR BR112013021751A patent/BR112013021751A2/pt not_active IP Right Cessation
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JP2008267460A (ja) * | 2007-04-18 | 2008-11-06 | Kayaba Ind Co Ltd | 油圧アクチュエータ速度制御装置 |
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KR20170077533A (ko) * | 2015-12-28 | 2017-07-06 | 현대건설기계 주식회사 | 건설장비용 전자유압 밸브의 유량제어 시스템 |
KR101998308B1 (ko) | 2015-12-28 | 2019-07-09 | 현대건설기계 주식회사 | 건설장비용 전자유압 밸브의 유량제어 시스템 |
Also Published As
Publication number | Publication date |
---|---|
WO2012166225A2 (en) | 2012-12-06 |
DE112012001034T5 (de) | 2013-12-19 |
US20120216518A1 (en) | 2012-08-30 |
US8813486B2 (en) | 2014-08-26 |
CN103403364A (zh) | 2013-11-20 |
WO2012166225A3 (en) | 2013-01-24 |
JP6092790B2 (ja) | 2017-03-08 |
BR112013021751A2 (pt) | 2016-10-18 |
CN103403364B (zh) | 2016-01-06 |
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