JP5562870B2 - ハイブリッド式作業機械及びその制御方法 - Google Patents
ハイブリッド式作業機械及びその制御方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
-
- 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
-
- 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
- E02F9/2075—Control of propulsion units of the hybrid type
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2300/00—Indexing codes relating to the type of vehicle
- B60W2300/17—Construction vehicles, e.g. graders, excavators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/30—Auxiliary equipments
- B60W2510/305—Power absorbed by auxiliaries
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Power Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Description
効率マップ調整量自動算出部50は、油圧想定出力Winから油圧実際出力Wactを減算して油圧想定出力誤差ΔWを求める。油圧想定出力Winのほうが油圧実際出力Wactより小さい場合は、油圧想定出力誤差ΔWは負の値(マイナス)となる。油圧想定出力Winのほうが油圧実際出力Wactより大きい場合は、油圧想定出力誤差ΔWは正の値(プラス)となる。そして、効率マップ調整量自動算出部50は、求められた油圧想定出力誤差ΔWが大きすぎる場合は、油圧ポンプ効率マップ54のデータを更新して油圧想定出力算出アルゴリズムで用いられる油圧ポンプ効率ηがより実際の油圧ポンプ効率に近くなるように調整する。
2 コントローラ
3 モード切換器
4 スロットルボリューム
5 電磁比例弁
21 油圧ポンプ
21A パイロット・ギアポンプ
22 コントローラバルブ
22a,22b,22c 切換弁
23 ポンプ吐出圧センサ
24 ネガティブコントロール絞り弁(ネガコン絞り弁)
25 タンク
26 ネガティブコントロールセンサ(ネガコンセンサ)
27 レギュレータ
30 エンジン
32 スプリッタ
34 アシストモータ
36,40 インバータ
38 バッテリ
42 コントローラ
50 効率マップ調整量自動算出部
52,58 油圧実際出力算出部
54 油圧ポンプ効率マップ
56 PQマップ調整量自動算出部
60 PQマップ
70 油圧負荷推定演算部
72 エンジン出力範囲決定部
74 バッテリ出力決定部
74A バッテリ出力範囲決定部
74B バッテリ出力目標値決定部
74C 充電状態算出部
80 動力分配部
Claims (12)
- エンジンと、
該エンジンに連結された可変容量式油圧ポンプと、
前記エンジンに連結され、該エンジンをアシストする電動発電機と、
該電動発電機を制御する制御部と
を有するハイブリッド式作業機械であって、
前記制御部は、
所定のアルゴリズムを用いて、前記油圧ポンプに供給されるポンプ電流及び前記油圧ポンプからの吐出圧力から前記油圧ポンプの油圧ポンプ算出値を求め、
該油圧ポンプ算出値と油圧ポンプ実際値との油圧想定誤差に基づいて前記所定のアルゴリズムで用いられる油圧ポンプ特性パラメータを補正し、
補正した油圧ポンプ特性パラメータを用いて補正後油圧想定出力を算出し、
該補正後油圧想定出力に基づいて前記電動発電機を制御する
ことを特徴とするハイブリッド式作業機械。 - 請求項1記載のハイブリッド式作業機械であって、
前記油圧ポンプ算出値は前記油圧ポンプの出力としての油圧想定出力、前記油圧ポンプ実際値は前記油圧ポンプの実際の出力としての油圧実際出力であり、
前記制御部は、前記エンジンの出力及び前記電動発電機の出力から前記油圧実際出力を算出し、
前記所定のアルゴリズムを用いて、前記油圧ポンプに供給されるポンプ電流及び前記油圧ポンプからの吐出圧力から前記油圧想定出力を算出し、
前記油圧想定出力と前記油圧実際出力との差として前記油圧想定誤差を算出することを特徴とするハイブリッド式作業機械。 - 請求項1記載のハイブリッド式作業機械であって、
前記油圧ポンプ特性パラメータは、油圧ポンプ効率マップであることを特徴とするハイブリッド式作業機械。 - 請求項1記載のハイブリッド式作業機械であって、
前記油圧ポンプ特性パラメータは、前記油圧ポンプの圧力流量特性線図であることを特徴とするハイブリッド式作業機械。 - 請求項2記載のハイブリッド式作業機械であって、
前記制御部は、前記油圧ポンプでの動力損失と前記電動発電機での動力損失とを考慮して前記油圧実際出力を算出することを特徴とするハイブリッド式作業機械。 - 請求項1記載のハイブリッド式作業機械であって、
前記油圧ポンプ特性パラメータは油圧ポンプの制御信号であり、
該制御信号に対して油圧ポンプが有する前記固有の流量変化特性に近づくように補正を行ない、
該補正された制御信号に基づいて前記油圧ポンプの出力を算出し、
該算出された前記油圧ポンプの出力に基づいて、前記エンジンをアシストする電動発電機の出力を制御する
ことを特徴とするハイブリッド式作業機械。 - 請求項6記載のハイブリッド式作業機械であって、
前記制御信号は時間遅れを有するように補正されることを特徴とするハイブリッド式作業機械。 - 請求項6記載のハイブリッド式作業機械であって、
前記制御信号は、前記油圧ポンプの吐出圧力若しくは制御電流を表す信号であることを特徴とするハイブリッド式作業機械。 - 請求項8記載のハイブリッド式作業機械であって、
前記油圧ポンプの出力を算出する際に、前記制御信号としてネガティブコントロール圧を表す信号の変化に伴う前記油圧ポンプの固有の流量変化特性を求め、求められた流量変化特性に基づいて前記油圧ポンプの吐出量を算出し、
前記制御信号に基づいて算出した吐出量と前記ネガティブコントロール圧から算出した吐出量のいずれか小さいほうを前記油圧ポンプの吐出量として用いて前記油圧ポンプの出力を算出する
ことを特徴とするハイブリッド式作業機械。 - 請求項6記載のハイブリッド式作業機械であって、
前記ハイブリッド式作業機械の作業モード別に、前記油圧ポンプの制御信号の変化による前記油圧ポンプの固有の流量変化特性を求めることを特徴とするハイブリッド式作業機械。 - 請求項6記載のハイブリッド式作業機械であって、
前記固有の流量変化特性を、前記制御信号の増大及び減少のそれぞれに対して求めることを特徴とするハイブリッド式作業機械。 - 固有の流量変化特性を有する油圧ポンプをエンジンの出力で駆動するハイブリッド式作業機械の制御方法であって、
制御信号に対して、油圧ポンプが有する前記固有の流量変化特性に近づくように油圧ポンプ特性パラメータの補正を行ない、
該補正された油圧ポンプ特性パラメータに基づいて前記油圧ポンプの出力を算出し、
該算出された前記油圧ポンプの出力に基づいて、前記エンジンをアシストする電動発電機の出力を制御する
ことを特徴とするハイブリッド式作業機械の制御方法。
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JP2010546661A JP5562870B2 (ja) | 2009-01-16 | 2010-01-15 | ハイブリッド式作業機械及びその制御方法 |
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JP2010546661A JP5562870B2 (ja) | 2009-01-16 | 2010-01-15 | ハイブリッド式作業機械及びその制御方法 |
PCT/JP2010/050434 WO2010082636A1 (ja) | 2009-01-16 | 2010-01-15 | ハイブリッド式作業機械及びその制御方法 |
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US (1) | US8548661B2 (ja) |
EP (1) | EP2381114A4 (ja) |
JP (1) | JP5562870B2 (ja) |
KR (1) | KR101366378B1 (ja) |
CN (1) | CN102282376B (ja) |
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US8425200B2 (en) * | 2009-04-21 | 2013-04-23 | Xylem IP Holdings LLC. | Pump controller |
EP2444639A4 (en) * | 2009-06-19 | 2017-01-18 | Sumitomo Heavy Industries, LTD. | Hybrid construction machine and control method for hybrid construction machine |
CN101608648B (zh) * | 2009-07-06 | 2011-04-06 | 三一重工股份有限公司 | 获取液压泵的排量控制机构特性参数的方法和检测装置 |
KR101112137B1 (ko) * | 2009-07-29 | 2012-02-22 | 볼보 컨스트럭션 이큅먼트 에이비 | 하이브리드식 건설기계의 엔진회전수 변화저감 제어시스템 및 방법 |
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- 2010-01-15 JP JP2010546661A patent/JP5562870B2/ja not_active Expired - Fee Related
- 2010-01-15 CN CN201080004611.3A patent/CN102282376B/zh not_active Expired - Fee Related
- 2010-01-15 US US13/144,195 patent/US8548661B2/en not_active Expired - Fee Related
- 2010-01-15 EP EP10731305.8A patent/EP2381114A4/en not_active Withdrawn
- 2010-01-15 WO PCT/JP2010/050434 patent/WO2010082636A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
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WO2010082636A1 (ja) | 2010-07-22 |
KR101366378B1 (ko) | 2014-02-24 |
EP2381114A4 (en) | 2018-04-18 |
EP2381114A1 (en) | 2011-10-26 |
US8548661B2 (en) | 2013-10-01 |
CN102282376B (zh) | 2014-12-10 |
CN102282376A (zh) | 2011-12-14 |
KR20110094340A (ko) | 2011-08-23 |
US20110276212A1 (en) | 2011-11-10 |
JPWO2010082636A1 (ja) | 2012-07-05 |
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