JPH05340309
PURPOSE: To correctly control an international combustion engine and to reduce exhaust gas by arranging means to timely fit a first signal with a second signal. CONSTITUTION: For example, an objective value MLS regarding air quantity following parameters of rotation number N and fuel quantity QK to...
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Zusammenfassung: | PURPOSE: To correctly control an international combustion engine and to reduce exhaust gas by arranging means to timely fit a first signal with a second signal. CONSTITUTION: For example, an objective value MLS regarding air quantity following parameters of rotation number N and fuel quantity QK to be injected is retained in an objective value map 200. In a simulation apparatus 235, output signal of a random sensor is referred and actual value MLI of the air quantity of a closed-loop controller 220 is specified. The objective value MLS regarding the air quantity is compared with the actual value MLI of the air quantity at adding point 215. Following this comparison, the closed-loop controller 220 provides an operation quantity to a controlled object 230 through the adding point. Furthermore, the first signal MLS is necessary to timely fit with the second signal MLI following exhaust gas passing time and sensor dynamic characteristics of the random sensor 125. For this sake, a dead time element 345 and a delay element 350 are provided considering the exhaust gas passing time. |
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