Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1985-12-19
1987-03-31
Nelli, Raymond A.
Internal-combustion engines
Charge forming device
Fuel injection system
123339, F02M 300, F02M 5100
Patent
active
046534490
ABSTRACT:
Apparatus for controlling the operating state of an internal combustion engine (M1), has a demand amount detecting an unit (M2) for detecting amount of demand to the engine, an operating condition varying unit (M3) for varying a condition of operation of the engine, an operating state detecting an unit (M4) for detecting operating state of the engine, a target value setting unit (M5) for determining target values of variables of the operating condition, a control unit (M6) for controlling the operating condition varying unit (M3) by determining feedback amount of the operating condition variables so that detected values equal to the target values. In such apparatus, the target value setting unit (M5) is constructed to determine a target intake air quantity as a value with which fuel supply amount becomes minimum on the basis of the correlation between intake air quantity and fuel supply amount when output torque is made constant, and the control unit (M6) is constructed as an integral-added optimal regulator which determines the feedback amount on the basis of an optimal feedback gain predetermined in accordance with dynamic model of a system relating to the operation of the internal combustion engine.
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Kamei Eiichi
Kiyono Masashi
Namba Hideaki
Ohba Masahiro
Takao Mitsunori
Nelli Raymond A.
Nippondenso Co. Ltd.
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