A multiple microcomputer system which is useful for real-time simulation of both complex response systems has been designed and constructed. Interprocessor communication between five microprocessors is done in parallel using direct memory access techniques. Test on system performance indicate that it is capable of fast processing element execution times and fast interprocessor message transfer. The system was used to simulate a spark-ignition internal combustion engine in real time. The simulation provides manifold pressure, net torque, engine speed in response to throttle angle, spark advance, exhaust gas recirculation, and load torque inputs. The engine simulation model was decomposed into four sections: carburetor, intake manifold, combustion, and dynamics. Potential applications of the engine simulator include the development of control algorithms and engine designs.
A real-time engine simulator using multiple microcomputers
Ein Realzeit-Motorsimulator mit mehreren Mikrocomputern
IEEE Transactions on Industrial Electronics ; 30 , 2 ; 117-126
1983
10 Seiten, 12 Bilder, 5 Tabellen, 24 Quellen
Aufsatz (Zeitschrift)
Englisch
SIMULATION , MIKROCOMPUTER , RECHNERSIMULATION , MODELLSIMULATION , MOTOR , MEHRRECHNERSYSTEM , REALZEITBETRIEB , SYSTEMANTWORT , VERBRENNUNGSMOTOR , PARALLELRECHNERSYSTEM , DIREKTZUGRIFF , DATENSPEICHER , RECHENZEIT , OTTO-MOTOR , ZUENDUNG , ZUENDWINKEL , ABGAS , ALGORITHMUS , REGELUNGSTHEORIE , DIGITALSIMULATION , MODELL , DROSSELVENTIL , VENTIL , RECHNERARCHITEKTUR , RAM (DIREKTZUGRIFFSSPEICHER) , EPROM (FESTWERTSPEICHER) , INTERRUPT (DV) , SOFTWARE , ZENTRALEINHEIT (RECHNER)
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