JPH0163744U - - Google Patents
Info
- Publication number
- JPH0163744U JPH0163744U JP1987158636U JP15863687U JPH0163744U JP H0163744 U JPH0163744 U JP H0163744U JP 1987158636 U JP1987158636 U JP 1987158636U JP 15863687 U JP15863687 U JP 15863687U JP H0163744 U JPH0163744 U JP H0163744U
- Authority
- JP
- Japan
- Prior art keywords
- compensation value
- setting means
- rotation
- rotation speed
- engine
- 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.)
- Pending
Links
- 239000000446 fuel Substances 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 2
Landscapes
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Description
第１図は、本考案に従つて構成された回転数制
御装置の一具体例を備えた土工車輌の制御関係の
一部を示す概略図。第２図は、第１図の回転数制
御装置の第１の補償値設定手段における燃料噴射
装置の出力と回転補償値との関係を示す図。第３
図は、第１図の回転数制御装置の第２の補償値設
定手段におけるバルブ指令設定手段の出力と回転
補償値との関係を示す図。第４図は、内燃機関の
出力特性を示す出力特性図。第５図は、従来の回
転数制御装置の補償値設定手段における燃料噴射
装置の出力と回転補償値との関係を示す図。
２……内燃機関、４……流体供給手段、８……
制御弁、１４……流体圧シリンダ機構、１８……
回転数設定手段、２０……制御手段、２２……バ
ルブ指令設定手段、２４……第１の補償値設定手
段、２６……第２の補償値設定手段、２８……補
償値比較手段、３０……燃料噴射装置。
FIG. 1 is a schematic diagram showing a part of the control relationship of an earthmoving vehicle equipped with a specific example of a rotation speed control device configured according to the present invention. 2 is a diagram showing the relationship between the output of the fuel injection device and the rotation compensation value in the first compensation value setting means of the rotation speed control device of FIG. 1. FIG. Third
The figure is a diagram showing the relationship between the output of the valve command setting means and the rotation compensation value in the second compensation value setting means of the rotation speed control device of FIG. 1. FIG. 4 is an output characteristic diagram showing the output characteristics of the internal combustion engine. FIG. 5 is a diagram showing the relationship between the output of the fuel injection device and the rotation compensation value in the compensation value setting means of the conventional rotation speed control device. 2... Internal combustion engine, 4... Fluid supply means, 8...
Control valve, 14...Fluid pressure cylinder mechanism, 18...
Rotation speed setting means, 20...Controlling means, 22...Valve command setting means, 24...First compensation value setting means, 26...Second compensation value setting means, 28...Compensation value comparison means, 30 ...Fuel injection device.
Claims (1)
転数設定手段と、該機関の回転によつて駆動され
る流体供給手段と、該流体供給手段からの流体圧
によつて作動される流体圧アクチユエータと、該
流体圧アクチユエータに供給される流体を制御す
る制御弁と、該制御弁を作動制御するためのバル
ブ指令設定手段と、該機関に燃料を供給するため
の燃料供給手段と、該回転数設定手段からの信号
に基いて該燃料供給手段を作動制御する制御手段
と、を含む機関の回転数制御装置において； 該制御手段は、該燃料供給手段の出力に基いて
回転補償値を設定する第１の補償値設定手段と、
該バルブ指令設定手段の出力に基いて回転補償値
を設定する第２の補償値設定手段と、該第１の補
償値設定手段の補償値と該第２の補償値設定手段
の補償値を比較する補償値比較手段を備え、該補
償値比較手段によつて選択された該第１の補償値
設定手段又は該第２の補償値設定手段の大きい方
の補償値によつて該機関の回転数を補償する、こ
とを特徴とする回転数制御装置。 ２ 該第１の補償値設定手段によつて設定される
回転補償値は、該燃料供給手段の出力が大きくな
るにつれて実質上直線的に増大する実用新案登録
請求の範囲第１項記載の回転数制御装置。 ３ 該燃料供給手段は燃料噴射装置から構成され
、該第１の補償値設定手段は該燃料噴射装置のラ
ツクの位置に基いて回転補償値を設定する実用新
案登録請求の範囲第１項又は第２項記載の回転数
制御装置。 ４ 該第２の補償値設定手段によつて設定される
回転補償値は、該バルブ指令設定手段の出力が所
定値を越えるにつれて実質上直線的に増大する実
用新案登録請求の範囲第１項から第３項までのい
ずれかに記載の回転数制御装置。 ５ 該バルブ指令設定手段は、操作レバーを有す
る操作装置から構成されており、該第２の補償値
設定手段は該操作レバーの操作量に基いて回転補
償値を設定する実用新案登録請求の範囲第４項記
載の回転数制御装置。[Claims for Utility Model Registration] 1. An engine, a rotation speed setting means for setting the rotation speed of the engine, a fluid supply means driven by the rotation of the engine, and a fluid supplied from the fluid supply means. A fluid pressure actuator operated by pressure, a control valve for controlling fluid supplied to the fluid pressure actuator, a valve command setting means for controlling the operation of the control valve, and supplying fuel to the engine. In an engine rotation speed control device comprising: a fuel supply means for controlling the fuel supply means; and a control means for controlling the operation of the fuel supply means based on a signal from the rotation speed setting means; a first compensation value setting means for setting a rotation compensation value based on the output;
a second compensation value setting means for setting a rotation compensation value based on the output of the valve command setting means; comparing the compensation value of the first compensation value setting means with the compensation value of the second compensation value setting means; the rotational speed of the engine according to the larger compensation value of the first compensation value setting means or the second compensation value setting means selected by the compensation value comparison means. A rotation speed control device that compensates for. 2. The rotation compensation value set by the first compensation value setting means increases substantially linearly as the output of the fuel supply means increases, as set forth in claim 1 of the utility model registration claim. Control device. 3. The fuel supply means is constituted by a fuel injection device, and the first compensation value setting means sets a rotation compensation value based on the position of the rack of the fuel injection device. The rotation speed control device according to item 2. 4. The rotation compensation value set by the second compensation value setting means increases substantially linearly as the output of the valve command setting means exceeds a predetermined value. The rotation speed control device according to any one of items up to 3. 5. The valve command setting means is comprised of an operating device having an operating lever, and the second compensation value setting means sets a rotation compensation value based on the operating amount of the operating lever. The rotation speed control device according to item 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158636U JPH0163744U (en) | 1987-10-19 | 1987-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158636U JPH0163744U (en) | 1987-10-19 | 1987-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0163744U true JPH0163744U (en) | 1989-04-24 |
Family
ID=31439137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987158636U Pending JPH0163744U (en) | 1987-10-19 | 1987-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0163744U (en) |
-
1987
- 1987-10-19 JP JP1987158636U patent/JPH0163744U/ja active Pending
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