JP2012153174A5 - - Google Patents
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- JP2012153174A5 JP2012153174A5 JP2011011498A JP2011011498A JP2012153174A5 JP 2012153174 A5 JP2012153174 A5 JP 2012153174A5 JP 2011011498 A JP2011011498 A JP 2011011498A JP 2011011498 A JP2011011498 A JP 2011011498A JP 2012153174 A5 JP2012153174 A5 JP 2012153174A5
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- output
- motor
- hst
- travel
- engine
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Claims (3)
前記エンジンと同軸上に機械的に接続され、発電機動作と電動機動作とを行う発電電動機と、
前記発電電動機と同軸上に機械的に接続されるＨＳＴポンプと、
前記ＨＳＴポンプの油圧によって制駆動するＨＳＴモータと、
前記ＨＳＴモータと同軸上に機械的に接続される走行電動モータと、前記走行電動モータを駆動するために出力される電動走行トルク指令および前記ＨＳＴモータを駆動するために出力されるＨＳＴ走行トルク指令を算出するハイブリッドコントローラと、を有し、 前記ＨＳＴモータの出力および前記走行電動モータの出力によって車軸を制駆動する建設機械において、
前記ハイブリッドコントローラは、
前記エンジンのエンジン回転数指令と前記エンジンのエンジン回転数と発電出力指令を用いて演算され、前記発電電動機が電動機動作を行う場合に前記発電電動機に対して出力されるアシスト要求出力を算出し、
前記電動走行トルク指令および前記ＨＳＴ走行トルク指令は、
前記アシスト要求出力と前記走行電動モータまたは／およびＨＳＴモータの回転数とに基づいて、算出され、
前記アシスト要求出力の増加に伴い、前記電動走行トルク指令および前記ＨＳＴ走行トルク指令の合計値に対する前記ＨＳＴ走行トルク指令は減少することを特徴とする建設機械。 Engine,
A generator motor that is mechanically connected coaxially with the engine and that performs a generator operation and a motor operation;
An HST pump mechanically connected coaxially with the generator motor;
An HST motor that is controlled by the hydraulic pressure of the HST pump;
A travel electric motor mechanically connected coaxially with the HST motor, an electric travel torque command output to drive the travel electric motor, and an HST travel torque command output to drive the HST motor A construction machine for controlling and driving an axle by an output of the HST motor and an output of the traveling electric motor,
The hybrid controller
Calculated using the engine speed command of the engine, the engine speed of the engine and the power generation output command, and calculates an assist request output that is output to the generator motor when the generator motor performs a motor operation,
The electric running torque command and the HST running torque command are:
Calculated based on the assist request output and the rotational speed of the traveling electric motor or / and HST motor,
As the assist request output increases, the HST travel torque command with respect to a total value of the electric travel torque command and the HST travel torque command decreases.
前記電動走行モータの出力および前記ＨＳＴモータの出力の合計出力に対する前記ＨＳＴモータの出力の割合は、前記ＨＳＴモータの回転数または／および前記走行用電動モータの回転数の増加に伴い減少することを特徴とする建設機械。 The construction machine according to claim 1,
The ratio of the output of the HST motor to the total output of the output of the electric travel motor and the output of the HST motor decreases as the rotation speed of the HST motor and / or the rotation speed of the travel electric motor increases. A featured construction machine.
前記エンジンと同軸上に機械的に接続され、発電機動作と電動機動作とを行う発電電動機と、
前記発電電動機と同軸上に機械的に接続され、前記エンジンまたは／および前記発電電動機の出力を車軸に伝える走行用変速装置と、
前記車軸に設けられた走行電動モータとを有し、
前記走行用変速装置の出力および前記走行電動モータの出力によって車軸を制駆動する建設機械において、
前記エンジンのエンジン回転数指令と前記エンジンのエンジン回転数と発電出力指令を用いて演算され、前記発電電動機が電動機動作を行う場合に前記発電電動機に対して出力されるアシスト要求出力を算出し、
前記アシスト要求出力と前記走行電動モータまたは／および前記走行用変速装置の回転数とに基づいて、前記走行電動モータを駆動するために出力される電動走行トルク指令および前記走行用変速装置を駆動するために出力される走行トルク指令を算出し、
前記アシスト要求出力の増加に伴い、前記電動走行トルク指令に応じて出力される前記電動走行モータの出力および前記走行トルク指令に応じて出力される前記走行用変速装置の出力の合計出力に対する前記走行用変速装置の出力は減少することを特徴とする建設機械。 Engine,
A generator motor that is mechanically connected coaxially with the engine and that performs a generator operation and a motor operation;
A travel transmission that is mechanically connected coaxially with the generator motor and transmits the output of the engine or / and the generator motor to an axle;
A traveling electric motor provided on the axle,
In a construction machine that controls and drives an axle by the output of the traveling transmission and the output of the traveling electric motor,
Calculated using the engine speed command of the engine, the engine speed of the engine and the power generation output command, and calculates an assist request output that is output to the generator motor when the generator motor performs a motor operation,
Based on the assist request output and the traveling electric motor or / and the number of rotations of the traveling transmission, the electric traveling torque command output to drive the traveling electric motor and the traveling transmission are driven. To calculate the running torque command output for
With the increase in the assistance request output, the travel to the total output of the output of the travel gear device which is output in accordance with the output and the running torque command of the electric drive motor which is output in accordance with the electric drive torque command Construction machinery characterized in that the output of the transmission for a vehicle decreases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011011498A JP5487129B2 (en) | 2011-01-24 | 2011-01-24 | Construction machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011011498A JP5487129B2 (en) | 2011-01-24 | 2011-01-24 | Construction machinery |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012153174A JP2012153174A (en) | 2012-08-16 |
| JP2012153174A5 true JP2012153174A5 (en) | 2013-05-02 |
| JP5487129B2 JP5487129B2 (en) | 2014-05-07 |
Family
ID=46835380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011011498A Active JP5487129B2 (en) | 2011-01-24 | 2011-01-24 | Construction machinery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5487129B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5998095B2 (en) * | 2013-03-29 | 2016-09-28 | ヤンマー株式会社 | Hybrid drive |
| CN104870230B (en) * | 2013-06-28 | 2018-04-17 | 株式会社小松制作所 | The control method of working truck and working truck |
| JP5969437B2 (en) * | 2013-08-22 | 2016-08-17 | 日立建機株式会社 | Construction machinery |
| JP6364194B2 (en) * | 2014-01-29 | 2018-07-25 | 株式会社小松製作所 | Work vehicle and control method thereof |
| JP6368495B2 (en) * | 2014-01-29 | 2018-08-01 | 株式会社小松製作所 | Work vehicle and control method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4052483B2 (en) * | 2006-05-30 | 2008-02-27 | 三菱重工業株式会社 | Work vehicle |
| JP4295308B2 (en) * | 2006-12-04 | 2009-07-15 | 日立建機株式会社 | Travel drive device for work vehicle |
| JP5019870B2 (en) * | 2006-12-27 | 2012-09-05 | ボッシュ株式会社 | Control method of hybrid vehicle |
| JP5086667B2 (en) * | 2007-03-09 | 2012-11-28 | 株式会社小松製作所 | Hybrid vehicle |
-
2011
- 2011-01-24 JP JP2011011498A patent/JP5487129B2/en active Active
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