JPS59200030A - Fuel controller for engine - Google Patents

Fuel controller for engine

Info

Publication number
JPS59200030A
JPS59200030A JP7453583A JP7453583A JPS59200030A JP S59200030 A JPS59200030 A JP S59200030A JP 7453583 A JP7453583 A JP 7453583A JP 7453583 A JP7453583 A JP 7453583A JP S59200030 A JPS59200030 A JP S59200030A
Authority
JP
Japan
Prior art keywords
acceleration
fuel
engine
injection
increase
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
Application number
JP7453583A
Other languages
Japanese (ja)
Inventor
Yoshinori Okino
沖野 芳則
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mazda Motor Corp
Original Assignee
Mazda Motor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mazda Motor Corp filed Critical Mazda Motor Corp
Priority to JP7453583A priority Critical patent/JPS59200030A/en
Publication of JPS59200030A publication Critical patent/JPS59200030A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/04Introducing corrections for particular operating conditions
    • F02D41/10Introducing corrections for particular operating conditions for acceleration

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

PURPOSE:To appropriately increase fuel for acceleration, by providing a time width augmentation means for increasing the fuel at the time of slow acceleration and an interim pulse output means for increasing the fuel at the time of sharp acceleration. CONSTITUTION:The degree of opening of a throttle valve 3 is detected by a throttle opening sensor 4. The slow acceleration of an engine is detected by a first acceleration detector B in terms of the degree of opening of the throttle valve 3 to increase fuel by a time width augmentation means E. The sharp acceleration of the engine is detected by a second acceleration detector C in terms of the degree of opening of the throttle valve 3 to increase the fuel by an interim pulse output means F. As a result, the air fuel ratio at the slow acceleration is made appropriate and the acceleration response at the sharp acceleration is improved.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、エンジンの燃料制御装置、特に燃料噴射式エ
ンジンの加速運転時における燃料増量制御に関するもの
である。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a fuel control device for an engine, and particularly to fuel increase control during acceleration operation of a fuel injection type engine.

(従来技術) 燃料をエンジンに噴射供給する電磁噴射弁を備え、この
電磁噴射升の噴射タイミングおよび噴射時間をエンジン
の運転状態に応じて制御するようにした燃料噴射式エン
ジンにおいて、エンジンの加速運転時には、電磁噴射升
に臨時パルスを印加して燃料を臨時的に増量して加速応
答性を向上するようにした燃料制御装置は従来より知ら
れている(特公昭49−47931号公報)。
(Prior art) In a fuel injection type engine that is equipped with an electromagnetic injection valve that injects fuel into the engine and controls the injection timing and duration of the electromagnetic injection valve according to the operating state of the engine, acceleration operation of the engine is performed. A fuel control device is conventionally known (Japanese Patent Publication No. 47931/1983) which sometimes applies a temporary pulse to an electromagnetic injection cell to temporarily increase the amount of fuel to improve acceleration response.

ところで、上記のように、加速時に燃料を臨時的に増量
するようにすれば、確かに加速応答性は向上する反面、
電磁噴射升の本来の噴躬タイミングと無関係に上記臨時
パルスが出力てれるため、本来の噴射タイミングに出力
されるパルス幅を増量補正するものき比べて、電磁噴射
弁の無効噴射時間等の影響を受けやすいため、吸入空気
量と燃料とのバランス(空燃比)かくずれやすい問題が
ある。
By the way, as mentioned above, if you temporarily increase the amount of fuel when accelerating, it does improve the acceleration response, but on the other hand,
Since the above-mentioned temporary pulse is output regardless of the original injection timing of the electromagnetic injection valve, the effects of the invalid injection time etc. of the electromagnetic injection valve are compared with those that increase the pulse width output at the original injection timing. Because of this, there is a problem in that the balance between intake air amount and fuel (air-fuel ratio) is easily disrupted.

(発明の目的) 本発明は、上記の問題に鑑みてなされたものであって、
エンジンの加速運転時の加速応答性を確保する一方、加
速運転時においても空燃比を可及的に適正に制御するこ
とができるエンジンの燃料制御装置を提供することを目
的としている。
(Object of the invention) The present invention has been made in view of the above problems, and includes:
It is an object of the present invention to provide a fuel control device for an engine that is capable of ensuring acceleration responsiveness during accelerated operation of the engine while controlling the air-fuel ratio as appropriately as possible even during accelerated operation.

(発明の構成) 本発明の構成を示す第1図に示すように、本発明にかか
るエンジンの燃料制御装置は、エンジン1の運転状態を
検出する運転状態検出手段Aと、吸気通路2に介設しだ
スロワl−/し升3に対して設けたスロット)V開度セ
ンサ4の出力を受けてスロットル開度の変化からエンジ
ン1の緩加速を検出する第1加速検出手段Bと、同様に
スロットル開度の変化からエンジン1の急加速を検出す
る?f;2加速検出手段Cと、印加烙れるパルス信号に
応じてエンジン1に燃料を噴射供給する電磁噴射弁5と
、上記運転状態検出手段への出力を入力してエンジン1
の運転状態に応じた・燃料噴射量に和尚する時間幅のパ
ルス信号を所定の時期に」二記′喉磁噴射升5に印加す
る噴射制御手段りと、第1加速検出手段Bの出力が入力
されると、上記噴射制御手段1〕で決定されるパルス信
号の時間幅を増加さ止る信号を出力する時間幅増加手段
Eと、第2加速検出手段Cの出力が入力されると、直ち
に、上記醒磁噴射弁5に臨時パルス信号を印加する臨時
パルス出力手段Fとを備えている。
(Structure of the Invention) As shown in FIG. 1 showing the structure of the present invention, the engine fuel control device according to the present invention includes an operating state detection means A for detecting the operating state of the engine 1, and an intake passage 2 connected to the engine fuel control device. The first acceleration detection means B receives the output of the V opening sensor 4 and detects the slow acceleration of the engine 1 from the change in the throttle opening. Detect sudden acceleration of engine 1 from changes in throttle opening? f; 2 Acceleration detection means C, electromagnetic injection valve 5 for injecting and supplying fuel to the engine 1 according to the applied pulse signal, and the output to the above-mentioned operating state detection means being inputted to the engine 1.
The injection control means applies a pulse signal with a time width that adjusts the fuel injection amount to the laryngeal injection cell 5 at a predetermined time according to the operating state of the When input, the time width increasing means E outputs a signal to increase and stop the time width of the pulse signal determined by the injection control means 1], and the output of the second acceleration detecting means C is inputted, immediately , and temporary pulse output means F for applying a temporary pulse signal to the magnetized injection valve 5.

即ち、本発明は、エンジン1の加速が緩加速であるとき
には、電磁噴射弁5の制御パターンを父型することなく
、噴射制御手段りによって設定す璧 るパルス信号の時間幅を時間1陥増加手段Eによって増
加し、所定の噴射タイミングで電磁噴ヰ1升5を時間幅
を増加したパルス信号で作動させるに止め、エンジンの
急加速時においてのみ臨時パルス出力手段Fによって・
燃料を臨時的に増量するようにしたものである。
That is, in the present invention, when the acceleration of the engine 1 is slow, the time width of the pulse signal set by the injection control means is increased by one time without changing the control pattern of the electromagnetic injection valve 5. By the means E, the electromagnetic injection 1 sho 5 is operated only with a pulse signal with an increased time width at a predetermined injection timing, and only when the engine suddenly accelerates, the temporary pulse output means F is used.
This is to temporarily increase the amount of fuel.

(発明の効果) しだがって、本発明によれば、エンジンの急加速時には
燃料の即時的、臨時的増量によって燃料制御の加速応答
性を確保することができ、エンジンの緩加速時には、燃
料の基本制御パターンにしだがって燃料を増量すること
ができるので、空燃比を適正に維持することができる効
果が得られる。
(Effects of the Invention) Therefore, according to the present invention, when the engine is rapidly accelerating, the acceleration response of fuel control can be ensured by immediately and temporarily increasing the amount of fuel, and when the engine is slowly accelerating, the acceleration response of the fuel control can be ensured. Since the amount of fuel can be increased according to the basic control pattern, it is possible to maintain an appropriate air-fuel ratio.

(実施例) 以下、本発明の実施例を詳細に説明する。(Example) Examples of the present invention will be described in detail below.

第2図に示すように、エンジン1の吸気通路2には、上
流から順に、エアクリーナ6、吸入空気量全検出するエ
アフローメータ7、アクセルペダル(図示せず)に連動
して開閉されるスロットル升3およびコントロールユニ
ット8によって噴射タイミンクおよび噴射量が制御され
る電磁噴射弁5が設けられており、吸気バルブ9が開か
れるエンジン1の吸気行程では、吸気通路2を流下して
くる空気および電磁噴射弁5によって噴射された燃料を
燃焼案10に吸入する。
As shown in FIG. 2, the intake passage 2 of the engine 1 includes, in order from upstream, an air cleaner 6, an air flow meter 7 that detects the total amount of intake air, and a throttle box that opens and closes in conjunction with an accelerator pedal (not shown). An electromagnetic injection valve 5 whose injection timing and injection amount are controlled by a control unit 3 and a control unit 8 is provided, and during the intake stroke of the engine 1 when the intake valve 9 is opened, the air flowing down the intake passage 2 and the electromagnetic injection are The fuel injected by the valve 5 is sucked into the combustion scheme 10.

そして、排気バルブ11が開かれるエンジン1の排気行
程では、排気ガスを排気通路12に排出し、途中に介設
した触媒コンバータ13で浄化したうえで外部に排出す
る。
During the exhaust stroke of the engine 1 in which the exhaust valve 11 is opened, exhaust gas is discharged into the exhaust passage 12, purified by the catalytic converter 13 interposed in the middle, and then discharged to the outside.

上記電磁噴射弁5を制御するコントロールユニット8は
、例えば、マイクロコンピュータにより構成され、エア
フローメータ7によって検出される時々刻々の吸入空気
量、回転センサ14によって検出されるエンジン回転数
およびスロットル開度センザ4によって検出されるスロ
ットル開度θ′■を基本制御データとして入ノJし、第
3図に示す制御フローにしたがって、燃料の制g41を
実行する。
The control unit 8 that controls the electromagnetic injection valve 5 is configured by, for example, a microcomputer, and is configured to monitor the momentary intake air amount detected by the air flow meter 7, the engine rotation speed detected by the rotation sensor 14, and the throttle opening sensor. The throttle opening degree θ'■ detected in step 4 is input as basic control data, and fuel control g41 is executed according to the control flow shown in FIG.

なお、コントロールユニット8を構成するマイクロコン
ピュータは、主にデータの入出力を行なつI/10イン
タフェース、マイクロプロセッサおよびメモリから構成
される。
The microcomputer constituting the control unit 8 mainly includes an I/10 interface for inputting and outputting data, a microprocessor, and a memory.

次に、%3図に示しだ制御フローにしたがって、コント
ロールユニット8が実行する制8を説明する。第3図中
、51〜Sllはプログラムステップを表わす。
Next, the control 8 executed by the control unit 8 will be explained according to the control flow shown in FIG. In FIG. 3, 51 to Sll represent program steps.

制御を開始すると、まずSlでその時点におけるエンジ
ン回転数、吸入空気量およびスロットル開度θ−iv’
を読込み、これらエンジン1の運転状態を表わすデータ
から、S2において運転状態に応じた燃料噴羽量を演算
して、電磁噴射弁5に印加すべきパルス信号の基本時間
幅 (以下、基本噴射幅Tという。)を決定する。
When control is started, first, the engine speed, intake air amount, and throttle opening θ-iv' at that point are determined by Sl.
is read, and from these data representing the operating state of the engine 1, the amount of fuel injection blades according to the operating state is calculated in S2, and the basic time width of the pulse signal to be applied to the electromagnetic injection valve 5 (hereinafter referred to as the basic injection width) ) is determined.

次に、S3では、スロットzlz開度θ■を時間で微分
して、スロットル開速度dθ−fV /d t ’r演
算し、S4でエンジン1の緩加速を判定するため予め設
定した緩加速判定値3と演算したスロットル開速度dθ
−rV /d tとを比較し、緩加速判定1直1よりス
ロットル開速度dθ−IV /d tが小さいときには
、S5に移行して、燃料増量持続時間Tα(Tα〉0)
中か否か(Tα=0)を判定する。
Next, in S3, the slot zlz opening degree θ■ is differentiated with respect to time, and the throttle opening speed dθ−fV /d t 'r is calculated. In S4, a preset slow acceleration determination is made to determine the slow acceleration of the engine 1. Throttle opening speed dθ calculated with value 3
-rV /d t, and if the throttle opening speed dθ-IV /d t is smaller than the slow acceleration judgment 1 shift 1, the process moves to S5 and the fuel increase duration Tα (Tα〉0) is determined.
It is determined whether or not (Tα=0).

この場合゛1”α−0であるときには、加速時でも加速
から通常運転への過渡期でもないことを示すので、S6
において基本噴射幅Tに対する増量率αを零とする。
In this case, when it is "1" α-0, it indicates that it is neither during acceleration nor in a transition period from acceleration to normal operation, so S6
In this case, the increase rate α with respect to the basic injection width T is set to zero.

一力、′rα\0であることは、ごく近い時点で加速が
行なわれだことを意味するので、S7において、Tα←
Tα−1なる減算を行なって、第4図に示すように、過
渡期において′工′αの関数として設定されている増量
率α(α−α(’I”α))全段階的に減少させる。こ
の燃料増量持続時間Tαは、アクセルペダルをi踏込ん
で加速した後通常運転に移行したときに、燃料を急激に
減少させることによって生じうる空燃比の変動にともな
うエンジン1のショックを防止するため、・燃料を過渡
的に徐々に減少きせる時間として設定されている。ここ
で増量率αは緩加速時に空燃比を適市にするよう1が少
なくとも緩加速状態にあることから、S8において基本
噴射幅Tに対する増量率αおよび増量持続時間Tαを設
定する。次いで、S9では、        や現在の
加速が、緩加速であるか急加速であるか全判定するため
予め設定した急加速判定値すとスロットル開速度dθT
V/dLとを比較し、dθTV/dL<l〕であるとき
には、510をバイパスして、Sllに移行し、基本噴
射幅Tを増量率αだけ増加して基本噴射幅゛rを設定す
る(T4−T×(J+α))、。
Since the fact that 'rα\0 means that acceleration is to be performed at a very near point, in S7, Tα←
By subtracting Tα-1, as shown in Figure 4, the increase rate α (α-α ('I''α)), which is set as a function of 'E'α during the transition period, decreases step by step. This fuel increase duration Tα prevents a shock in the engine 1 due to fluctuations in the air-fuel ratio that may occur due to a sudden decrease in fuel when the vehicle shifts to normal operation after accelerating by depressing the accelerator pedal i. Therefore, the increase rate α is set as the time during which the fuel is gradually reduced transiently.Here, the increase rate α is set as the basic value in S8 since 1 is at least in the slow acceleration state so that the air-fuel ratio is at the appropriate level during slow acceleration. The increase rate α and the increase duration Tα for the injection width T are set.Next, in S9, a preset sudden acceleration judgment value is set in order to fully judge whether the current acceleration is a slow acceleration or a sudden acceleration. Throttle opening speed dθT
V/dL, and if dθTV/dL<l], bypass 510, shift to Sll, increase the basic injection width T by the increase rate α, and set the basic injection width {r). T4−T×(J+α)).

なお、dθTV/dL>λである時には、増量率αは一
定値として与える。
Note that when dθTV/dL>λ, the increase rate α is given as a constant value.

まだ、エンジン1が実際に急加速されているとき(dθ
−rv/d t >b )であるときには、S 1’0
において即時に、非同期の臨時パルス信号P(パルス幅
は一定とする)を電磁噴射弁5に直接に印加し、電磁噴
射弁5により燃料を臨時的に噴射させて、燃料を増量す
る。この臨時増量は、Sllにおいて設定される噴射タ
イミングとは無関係に行なわれる。この臨時増量を行な
った後は、緩加速の場合と同様、Sllに移行して、S
llにおいて、基本噴射幅T<−T×(1+α)によっ
て、エンジンの回転に同期した通常の噴射タイミングで
燃料増量を行なう。即ち、この実施例では、エンジンの
急加速時においては、臨時的な燃料増量と通常の制御ル
ーチンにしたがった燃料増量が行なわれることとなる。
When engine 1 is actually rapidly accelerating (dθ
−rv/d t > b ), then S 1'0
Immediately, an asynchronous temporary pulse signal P (with a constant pulse width) is directly applied to the electromagnetic injection valve 5, and the electromagnetic injection valve 5 temporarily injects fuel to increase the amount of fuel. This temporary increase is performed regardless of the injection timing set at Sll. After performing this temporary increase, as in the case of slow acceleration, shift to Sll and S
At 11, the fuel amount is increased at the normal injection timing synchronized with the rotation of the engine with the basic injection width T<-T×(1+α). That is, in this embodiment, when the engine suddenly accelerates, a temporary fuel increase and a fuel increase according to the normal control routine are performed.

そのため本実施例で、は、緩加速時には空燃比を適正に
する一方、急加速時には加速応答性を保証することがで
きるといつだ効果がある。
Therefore, in this embodiment, it is effective to make the air-fuel ratio appropriate during slow acceleration, while ensuring acceleration responsiveness during sudden acceleration.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の構成を示すブロック説明図、第2図は
本発明の実施例の全体構成説明図、突13図は第2図に
示すコントロールユニットが実行する制御のフローチャ
ート図、第4図は基本噴射幅に対する増量率の設定の一
例を示すグラフである。 1・・・エンジン   3・・・スロットルシブ↑4・
・・スロットル開度センサ  5・・・′電磁噴射弁A
・・・運転状態検出手段 B・・・第1加速検出手段 C・・・第2加速検出手段 D・・・噴射制御手段 E・・・時間1隅増加手段 F・・・臨時パルス出力手段 特許出願人        東洋工業株式会社代理人弁
理士青山 保ほか2名
FIG. 1 is a block explanatory diagram showing the configuration of the present invention, FIG. 2 is an explanatory diagram of the overall configuration of an embodiment of the present invention, FIG. 13 is a flowchart of control executed by the control unit shown in FIG. The figure is a graph showing an example of setting the increase rate with respect to the basic injection width. 1...Engine 3...Throttle shift ↑4.
...Throttle opening sensor 5...'Solenoid injection valve A
...Operating state detection means B...First acceleration detection means C...Second acceleration detection means D...Injection control means E...Time one corner increase means F...Temporary pulse output means Patent Applicant: Toyo Kogyo Co., Ltd. Patent Attorney Tamotsu Aoyama and 2 others

Claims (1)

【特許請求の範囲】[Claims] (1)エンジンの運転状態を検出する運転状態検出手段
と、 スロットル開度の変化によジエンジンの緩加速を検出す
ると信号を出力する第1加速検出手段と、スロットル開
度の変化によりエンジンの急加速を検出すると信号を出
力する第2加速検出手段と、印加されるパルス信号に応
じて燃料を噴射供給する電磁噴射升と、 上記運転状態検出手段の出力を入力してエンジンの運転
状態に応じた燃料噴射量に相当する時間幅のパルス信号
を所定の時期に上記電磁噴射弁に印加する噴射制御手段
と、 上記第1加速検出手段の出力が入力きれると上記噴射制
御手段で決定されるパルス信号の時間幅を増加させる信
号を出力する時間幅増加手段と、上記第2加速検出手段
の出力が入力されるとその時に、上記電磁噴射弁へ臨時
パルス信号を印加する臨時パルス出力手段とを設けたこ
とを特徴とするエンジンの燃料制御装置。
(1) Operating state detection means for detecting the operating state of the engine; first acceleration detection means for outputting a signal when slow acceleration of the engine is detected due to a change in throttle opening; a second acceleration detection means that outputs a signal when sudden acceleration is detected; an electromagnetic injection tank that injects and supplies fuel in accordance with the applied pulse signal; an injection control means for applying a pulse signal having a time width corresponding to the corresponding fuel injection amount to the electromagnetic injection valve at a predetermined time; time width increasing means for outputting a signal that increases the time width of the pulse signal; and temporary pulse output means for applying a temporary pulse signal to the electromagnetic injection valve when the output of the second acceleration detection means is input. A fuel control device for an engine, characterized in that it is provided with.
JP7453583A 1983-04-26 1983-04-26 Fuel controller for engine Pending JPS59200030A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7453583A JPS59200030A (en) 1983-04-26 1983-04-26 Fuel controller for engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7453583A JPS59200030A (en) 1983-04-26 1983-04-26 Fuel controller for engine

Publications (1)

Publication Number Publication Date
JPS59200030A true JPS59200030A (en) 1984-11-13

Family

ID=13550074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7453583A Pending JPS59200030A (en) 1983-04-26 1983-04-26 Fuel controller for engine

Country Status (1)

Country Link
JP (1) JPS59200030A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3922116A1 (en) * 1988-07-07 1990-01-11 Mitsubishi Motors Corp METHOD AND DEVICE FOR INJECTING FUEL IN AN INTERNAL COMBUSTION ENGINE

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56148633A (en) * 1980-04-21 1981-11-18 Honda Motor Co Ltd Fuel correction device for efi engine
JPS57186039A (en) * 1981-05-13 1982-11-16 Hitachi Ltd Control method of fuel at deceleration of engine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56148633A (en) * 1980-04-21 1981-11-18 Honda Motor Co Ltd Fuel correction device for efi engine
JPS57186039A (en) * 1981-05-13 1982-11-16 Hitachi Ltd Control method of fuel at deceleration of engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3922116A1 (en) * 1988-07-07 1990-01-11 Mitsubishi Motors Corp METHOD AND DEVICE FOR INJECTING FUEL IN AN INTERNAL COMBUSTION ENGINE
US4984552A (en) * 1988-07-07 1991-01-15 Mitsubishi Denki Kabushiki Kaisha Fuel injection device for an internal combustion engine

Similar Documents

Publication Publication Date Title
EP0408050A1 (en) Control method and apparatus for internal combustion engine
JPH0363654B2 (en)
WO2005108766A1 (en) Abnormality detection device for internal combustion engine
US4483296A (en) System for controlling an air-fuel ratio
JPS6143245A (en) Idle speed control device
JPS632019B2 (en)
JPS59200030A (en) Fuel controller for engine
US4976242A (en) Fuel injection control device of an engine
JPH07166931A (en) Fuel injection controller of engine
KR900000149B1 (en) Fuel injection control method for internal combustion engine
JPH09329062A (en) Abnormality judging device for exhaust gas recirculating device
JP2003097340A (en) Method for detecting intake pressure of internal combustion engine
JPS62342B2 (en)
JPS6321344A (en) Electronically controlled fuel injection device for internal combustion engine
KR0174010B1 (en) Engine control apparatus and method according to the driver&#39;s accelerating habit
JPH02119650A (en) Air-fuel ratio control method for transient period
JPS6166825A (en) Acceleration judging device of internal-combustion engine
JPH07259609A (en) Air-fuel ratio controller of internal combustion engine
JPH05141295A (en) Air fuel ratio control method
JPS61171850A (en) Air-fuel ratio control device
JPH03100363A (en) Exhaust gas reflux controller of diesel engine
JPH0522058B2 (en)
JPH07158479A (en) Fuel injection control device for internal combustion engine
JPH0612082B2 (en) Electronically controlled fuel injection device for internal combustion engine
JPS5934447A (en) Air-fuel ratio control unit for engine