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Automobile Using Evc

In: Science

Submitted By Danagovardhan
Words 896
Pages 4
KUMARAGURU COLLEGE OF TECHNOLOGY

AUTOMOBILES USING ELECTRONIC VALVE CONTROL

PRESENTED BY

S.MADHUVANTH (3rd MCE)

(vanth7@gmail.com)

(9940899266)

&

S.ASWIN KUMAR (3rd MCE)

(aswin_634@gmail.com)

(9894635982)

ABSTRACT:

Since cars have become an integral part of human life, there is a need for increasing the overall efficiency of the cars. Thus it includes increasing the fuel efficiency, performance, pickup, etc. In this paper we are introducing the electronic control of closing and opening of the valves in the engine. In the conventional car engines, opening and closing of the valves are controlled using a overhead cam shaft. We are replacing it by electronically controlled actuators.

INTRODUCTION:

An electronic valve control (EVC) system replaces the mechanical camshaft, controlling each valve with actuators for independent valve timing. The EVC system controls the opening and closing time and lift amount of each intake and exhaust valve with independent actuators on each valve. Changing from a mechanical camshaft driven valve into independently controlled actuator valves provides a huge amount of flexibility in engine control strategy. Conventional internal combustion engines includes a camshaft and associated linkages to open and close intake and exhaust valves during operation. Since the valve timing is determined during design and manufacturing and remains constant throughout the engine life, there is no room for engine performance enhancement based on variable valve timing. The fixed valve timing selected for a particular engine generally requires a compromise between performance ,fuel economy and emissions. It is desirable to dynamically vary the valve timing based on current engine operating parameters to optimize engine performance, fuel economy and emissions , as well as to provide engine braking

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