JPH01105738U - - Google Patents
Info
- Publication number
- JPH01105738U JPH01105738U JP118188U JP118188U JPH01105738U JP H01105738 U JPH01105738 U JP H01105738U JP 118188 U JP118188 U JP 118188U JP 118188 U JP118188 U JP 118188U JP H01105738 U JPH01105738 U JP H01105738U
- Authority
- JP
- Japan
- Prior art keywords
- control
- internal combustion
- combustion engine
- auxiliary device
- feedback
- 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
- 238000002485 combustion reaction Methods 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 2
- 238000013459 approach Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の構成を示す機能ブロツク図、
第２図は本考案の一実施例を示すシステム図、第
３図は同上実施例における制御内容を示すフロー
チヤート、第４図は従来の問題点を説明するため
のタイムチヤートである。
１…機関、２…吸気通路、３…スロツトル弁、
４…補助空気通路、５…アイドル制御弁、６…コ
ントロールユニツト、７…駆動回路、１０…アイ
ドルスイツチ、１２…補器スイツチ、１３…水温
センサ。
Figure 1 is a functional block diagram showing the configuration of the present invention.
FIG. 2 is a system diagram showing an embodiment of the present invention, FIG. 3 is a flowchart showing the control contents in the same embodiment, and FIG. 4 is a time chart for explaining the conventional problems. 1... Engine, 2... Intake passage, 3... Throttle valve,
4... Auxiliary air passage, 5... Idle control valve, 6... Control unit, 7... Drive circuit, 10... Idle switch, 12... Auxiliary device switch, 13... Water temperature sensor.
Claims (1)
イパスする補助空気通路に、パルス信号によつて
駆動されそのデユーテイ比に応じて開度が調整さ
れるアイドル制御弁を備え、所定のアイドル運転
条件で機関回転速度を予め機関運転状態に応じて
設定された目標回転速度に近づけるように前記パ
ルス信号のデユーテイ比を所定の制御定数に基づ
いてフイードバツク制御するフイードバツク制御
手段を備えた内燃機関のアイドル回転速度制御装
置において、前記内燃機関に付設された補助機器
のオン・オフ切換え駆動制御を検出する補器駆動
制御検出手段と、該補器駆動制御検出手段により
前記補助機器の駆動切換え制御が検出されてから
所定期間前記フイードバツク制御手段によるフイ
ードバツク制御における制御定数を増大補正する
制御定数増大補正手段と、を設けたことを特徴と
する内燃機関のアイドル回転速度制御装置。 The auxiliary air passage that bypasses the throttle valve installed in the intake system of the internal combustion engine is equipped with an idle control valve that is driven by a pulse signal and whose opening degree is adjusted according to its duty ratio. Idle rotational speed of an internal combustion engine, comprising feedback control means for feedback-controlling the duty ratio of the pulse signal based on a predetermined control constant so that the engine rotational speed approaches a target rotational speed preset according to the engine operating state. In the control device, an auxiliary device drive control detection means detects on/off switching drive control of an auxiliary device attached to the internal combustion engine, and a drive switching control of the auxiliary device is detected by the auxiliary device drive control detection device. 1. An idle rotation speed control device for an internal combustion engine, comprising: control constant increase correction means for increasing a control constant in feedback control by the feedback control means for a predetermined period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP118188U JPH01105738U (en) | 1988-01-11 | 1988-01-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP118188U JPH01105738U (en) | 1988-01-11 | 1988-01-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01105738U true JPH01105738U (en) | 1989-07-17 |
Family
ID=31200848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP118188U Pending JPH01105738U (en) | 1988-01-11 | 1988-01-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01105738U (en) |
-
1988
- 1988-01-11 JP JP118188U patent/JPH01105738U/ja active Pending