Fuel metering control system for internal combustion engine

Details Fuel metering control system for internal combustion engine Fuel metering control system for internal combustion engine

1995-12-29

1997-03-04

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

123677, 123680, 123681, 364431051, F02D 4114

Patent

active

056069596

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 controller parameters .theta.. The adaptive controller calculates a feedback correction coefficient that corrects the quantity of fuel injection to bring a controlled variable obtained at least based on an output of an air/fuel ratio sensor, to a desired air/fuel ratio. The convergence speed of the controller parameters are determined by a gain matrix. The gain matrix is determined in response to at least one of the detected engine operating conditions.

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Automatic Control Handbook (Ohm Publishing Co., Ltd.) pp. 703-707, published Oct. 30, 1983.
"A Survey of Model Reference Adaptive Techniques -- Theory and Applications" by I. D. Landau In Automatica, vol. 10, pp. 353-379 published Jun 18-21 1973.
"Unification of Discrete Time Explicit Model Reference Adaptive Control Designs" by I. D. Landau et al. In Automatica, vol. 17, No. 4, pp. 593-611, 1981.
"Combining Model Reference Adaptive Controller and Stochastic Self-tuning Regulators" by I. D. Landau In Automatica vol. 18, No. 1, pp. 77-84, published Aug. 1981.

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