Internal-combustion engines – Charge forming device – Including exhaust gas condition responsive means
Patent
1995-12-29
1998-06-02
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Including exhaust gas condition responsive means
123679, 123695, F02D 4144
Patent
active
057586306
ABSTRACT:
A fuel metering control system for an internal combustion engine including a feedback loop having an adaptive controller and an adaptation mechanism that estimates a controller parameters .theta.. The adaptive controller corrects the quantity of fuel injection to bring a controlled variable obtained at least based on an output of said air/fuel ratio sensor, to a desired value. The air/fuel ratio sensor outputs are sampled and one of the sampled data is selected as the air/fuel ratio to be input to the adaptation mechanism. Similarly, the senor outputs are sampled and one of the sampled is selected in accordance with another characteristic to be used in the estimation of the air/fuel ratios of the individual cylinder. The air/fuel ratio is discriminated to be within a prescribed range, and set to a predetermined value when it is determined to be within the prescribed range.
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Akazaki Shusuke
Hasegawa Yusuke
Komoriya Isao
Maki Hidetaka
Nishimura Yoichi
Dolinar Andrew M.
Honda Giken Kogyo Kabushiki Kaisha
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