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1. This paper also discusses SI engine idle speed control.

2. The automobile engine idle speed system and the drive circuit of DC motor were designed based on 80C196KC microprocessor, extend ROM, I/O and communication port.

3. A fuzzy controller of idle speed is designed according to structural characters of EFI engine.

4. Then basic calibration such as ECU I/O calibration, idle speed calibration, cold start calibration, ignition advance calibration, air fuel ratio calibration, boost pressure calibration are conducted.

5. The effects of converter position(http://Sentencedict.com), ignition timing and idle speed on catalytic converter light-off behavior were studied on an electronically controlled LPG injection engine.

6. Idle speed control is an important part of Engine Electronic Control System. The control result affects the stability, fuel economy and emission directly.

7. The proceedings of idle speed are so complex that it is very difficult to design a good controller based on the mathematical model of gasoline engine idling condition.

8. This paper describes the idle speed control stepper motor type composition, Stepper Motor Idle Control Valve on the main structure, Idle Speed Control Stepper Motor Control Principle of the device.

9. At the same time often idle speed, the air flow into the engine is small, so to carbon flushing action of the weak, will promote carbon deposition.

10. After the adjustment, the idle speed may (or: might) be too high.

11. The model of engine idle speed is the base of engine control.

12. Engine idle speed is no power output of external conditions.

13. For autorotation practice, the throttle will be set to give a safe idle speed.

14. The seat combination is an essential part used on NF50 motorcycle engine, which influences the starting ability, fuel consumption and idle speed fluctuating rate of the engine.

15. The software of the engine management system includes 5 main models. The models are intake model, ignition control model, injection model, idle speed model, diagnosis and emergence operation model.

16. The letting characteristic of HC and CO when gasoline engine using carburettor in idle speed, studying the way of administer, a new purify device had been designed.

17. By using the collection data in training the neural network, this paper establishes the proper engine idle speed neural network model.

18. Therefore, the engine in various operating conditions to automatically adjust the idle speed is of great significance.

19. In this dissertation, the stability control simulation of engine idle speed was studied on the basis of electronic throttle control with the characteristics of idle condition.

20. Simulation and tested results show that the designed control strategies of idle speed control can meet the control demands of electronic unit pump system.

21. The present saving oil purifier for a petrol engine can not well solve the problem of causing air pollution in an idle speed state.

22. He should also check ignition wires and connections, adjust idle speed and replace PCV valve. Attention to these service functions will improve engine performance and fuel economy.

23. The result shows that the DMC algorithm is adaptable for the engine idle speed control.

24. By using the founded neural network model and DMC predict control algorithm, simulation research has been completed on the idle speed control in this pape.

25. By off - line parameters identification, dynamic model is built width and output variable is idle speed.

26. The engine control system is composed of ignition control system, fuel injection control system, idle speed control system, emission control system and etc.

27. By taking account of nonlinearity, time variation and unsteadiness of idle process in engines, this paper studies the application of fuzzy control theory for idle speed control.

28. Experimental results show that the position of the converter nearer to the exhaust port, the retard ignition timing and the higher idle speed can promote the catalytic converter light-off.