JP2009074407A - エンジンの制御装置 - Google Patents
エンジンの制御装置 Download PDFInfo
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- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
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- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
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- E02F9/2246—Control of prime movers, e.g. depending on the hydraulic load of work tools
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- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
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- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
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- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/05—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by internal-combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
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- F04B49/065—Control using electricity and making use of computers
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- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
- B60K2006/268—Electric drive motor starts the engine, i.e. used as starter motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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Abstract
【解決手段】スロットルダイヤルによってエンジンの第1の目標回転数を設定するエンジン回転数設定部51と、油圧ポンプの負荷圧に応じてリリーフ時におけるエンジンの最大目標回転数を制限する第2の目標回転数を演算するリリーフ時エンジン最大回転数演算部52と、第1の目標回転数および第2の目標回転数のうちのいずれか低い目標回転数に一致するように、エンジン回転数を制御する回転数制御手段と、エンジンの目標回転数と実エンジン回転数との偏差をもとに発電電動機をエンジントルクアシスト作用させるか否かを判定する判定手段と、を備え、回転数制御手段は、判定手段がエンジントルクアシスト作用を行わせると判定した場合に、発電電動機のエンジントルクアシスト作用を用いて目標回転数に一致するように、エンジン回転数を制御する。
【選択図】 図2
Description
したがって油圧ポンプ3のポンプ効率を高めるためには、エンジン2を回転数nが低い低速領域で稼動させればよい。
ただし、K2は、PTO軸10の減速比である。
2 エンジン
3 油圧ポンプ
4 エンジンコントローラ
5 ポンプ制御バルブ
6 コントローラ
7〜9 油圧センサ
10 PTO軸
11 発電電動機
12 蓄電器
31〜36 油圧アクチュエータ
41,42 操作レバー
43,44 走行レバー
51 エンジン回転数設定部
52 リリーフ時エンジン最大回転数演算部
53 最小値選択部
Claims (3)
- エンジンによって駆動される油圧ポンプと、
前記油圧ポンプから吐出された圧油が供給される油圧アクチュエータと、
各油圧アクチュエータを操作する操作手段と、
エンジン目標回転数の設定ダイヤルによって前記エンジンの第1の目標回転数を設定する第1の目標回転数設定手段と、
前記油圧ポンプの負荷圧が高くなるに従ってエンジンの最大目標回転数を制限する第2の目標回転数を演算する第2の目標回転数演算手段と、
前記第1の目標回転数および前記第2の目標回転数のうちのいずれか低い目標回転数に一致するように、エンジン回転数を制御する回転数制御手段と、
を備えたことを特徴とするエンジンの制御装置。 - 前記エンジンの出力軸に連結された発電電動機と、
前記発電電動機が発電した電力を蓄積するとともに発電電動機に電力を供給する蓄電器と、
前記油圧ポンプの負荷圧が高い状態から低い状態に急に切り替わった際に、前記エンジンの実回転数が前記目標回転数に対してあらかじめ設定した値以上に上昇するまでは前記発動発電機のエンジントルクアシスト作用を用いて前記目標回転数に一致するように、エンジン回転数を制御する制御手段と、
を備えたことを特徴とする請求項1に記載のエンジンの制御装置。 - 前記エンジンの出力軸に連結された発電電動機と、
前記発電電動機が発電した電力を蓄積するとともに発電電動機に電力を供給する蓄電器と、
前記油圧ポンプの負荷圧が高い状態から低い状態に減少するに応じて、前記第2の目標回転数が上昇することにより、前記エンジンの実回転数が前記目標回転数よりもあらかじめ設定した値よりも小さい場合、前記実回転数が前記目標回転数よりもあらかじめ設定した値よりも小さい値以上に上昇するまでは、前記発動発電機のエンジントルクアシスト作用を用いて前記目標回転数に一致するように、エンジン回転数を制御する制御手段と、
を備えたことを特徴とする請求項1に記載のエンジンの制御装置。
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JP2007243102A JP5156312B2 (ja) | 2007-09-19 | 2007-09-19 | エンジンの制御装置 |
DE112008002513.4T DE112008002513B4 (de) | 2007-09-19 | 2008-09-11 | Motorsteuervorrichtung |
CN200880115392.9A CN101855434B (zh) | 2007-09-19 | 2008-09-11 | 发动机的控制装置 |
KR1020107005902A KR101503097B1 (ko) | 2007-09-19 | 2008-09-11 | 엔진의 제어 장치 |
PCT/JP2008/066433 WO2009038016A1 (ja) | 2007-09-19 | 2008-09-11 | エンジンの制御装置 |
US12/733,726 US8534264B2 (en) | 2007-09-19 | 2008-09-11 | Engine control apparatus |
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JP2007243102A JP5156312B2 (ja) | 2007-09-19 | 2007-09-19 | エンジンの制御装置 |
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US (1) | US8534264B2 (ja) |
JP (1) | JP5156312B2 (ja) |
KR (1) | KR101503097B1 (ja) |
CN (1) | CN101855434B (ja) |
DE (1) | DE112008002513B4 (ja) |
WO (1) | WO2009038016A1 (ja) |
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Also Published As
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JP5156312B2 (ja) | 2013-03-06 |
CN101855434B (zh) | 2014-09-03 |
WO2009038016A1 (ja) | 2009-03-26 |
CN101855434A (zh) | 2010-10-06 |
KR101503097B1 (ko) | 2015-03-16 |
US8534264B2 (en) | 2013-09-17 |
DE112008002513B4 (de) | 2016-06-23 |
KR20100068396A (ko) | 2010-06-23 |
DE112008002513T5 (de) | 2010-08-26 |
US20100186713A1 (en) | 2010-07-29 |
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