alpha feedbackとは 意味・読み方・使い方

An air-fuel ratio feedback correction factor (ALPHA) for a fuel injection amount with a fuel injection valve is calculated based on a signal of a fuel-ratio sensor 25 at the upstream side of the exhaust emission purifying catalyst 12.例文帳に追加

触媒９上流側の空燃比センサ２５の信号に基づいて燃料噴射弁７による燃料噴射量に対する空燃比フィードバック補正係数（ＡＬＰＨＡ）を演算する。 - 特許庁

After the activity of an air-fuel ratio sensor is detected, the reducing speed of the stability increasing value KSTB of a target air-fuel ratio correction factor TFBYA is increased more than a case before the activity is detected while maintaining an air-fuel ratio feedback correction factor ALPHA at a reference value 1.例文帳に追加

空燃比センサの活性を検出した後に、目標空燃比補正係数ＴＦＢＹＡ中の安定性増量値ＫＳＴＢの減少速度を、活性検出前に比べて大きくし、その間、空燃比フィードバック補正係数ＡＬＰＨＡを基準値１に保持する。 - 特許庁

On the contrary, increased amount by the target air fuel ratio correction coefficient TFBYA is cut and addition of the increased amount on air fuel ratio feedback correction coefficient ALPHA is cancelled under conditions that resistance against engine stop is high and that torque step is permitted.例文帳に追加

これに対し、耐エンスト性が高い条件で、かつトルク段差を許容できる条件では、目標空燃比補正係数ＴＦＢＹＡによる増量分をカットすると共に、その増量分の空燃比フィードバック補正係数ＡＬＰＨＡへの上乗せをキャンセルする。 - 特許庁

When activation of O2 sensor is detected, increased amount by the target air fuel ratio correction coefficient TFBYA is cut and the increased amount is added on air fuel ratio feedback correction coefficient ALPHA under conditions that resistance against engine stop is low and that torque step is not permitted.例文帳に追加

Ｏ２センサの活性を検出すると、耐エンスト性が低い条件、又はトルク段差を許容できない条件では、目標空燃比補正係数ＴＦＢＹＡによる増量分をカットすると共に、その増量分を空燃比フィードバック補正係数ＡＬＰＨＡに上乗せする。 - 特許庁

When NOx absorption amount in NOx absorption catalyst reaches a saturation amount during a lean combustion, a target air-fuel ratio is switched to a stoichiometric air-fuel ratio, while a lean spike is given by increasing and changing an air-fuel ratio feed back correction coefficient AL PHA used for feedback-controlling the air-fuel ratio to the stoichiometric air fuel ratio steply (S2).例文帳に追加

リーン燃焼中にＮＯｘ吸収触媒におけるＮＯｘ吸収量が飽和量に達したときに、目標空燃比を理論空燃比に切り換える一方、空燃比を理論空燃比にフィードバック制御するのに用いる空燃比フィードバック補正係数ALPHA をステップ的に増大変化させて（Ｓ２）、リッチスパイクを与える。 - 特許庁