Design, test and implementation of a single piston rotary valve engine control unit

Journal article

Authors/Editors

Chuma, Joseph

Research Areas

ENGINEERING AND TECHNOLOGY (Frascati classification)

Publication Details

Subtitle: Design, test and implementation of a single piston rotary valve engine control unit

Author list: Chuma, Joseph

Publisher: ROMANIAN SOC CONTROL TECH INFO

Publication year: 2014

Volume number: 47

Issue number: 3

Start page: 5665

End page: 5670

Number of pages: 6

ISSN: 1454-8658

URL: https://www.sciencedirect.com/science/article/pii/S1474667016424973

Languages: English-United States (EN-US)

View on publisher site

Abstract

A prototype rotary valve engine has been built from a conventional single piston generator. In this study, an engine control unit, ECU, is designed, tested and implemented for the purpose of carrying out the primary engine functions of sparking, fuelling and valve events control. The rotary valve engine has no camshaft, therefore, only a crankshaft (optical) sensor is required. The controller has also the advantage of turning the engine in either direction, removing the need for a reverse gear. Full control over valve events, together with crank motion independent sparking, removes the need for a throttle valve and a mechanical starter. With the valve turning freely, no feedback sensing is necessary. The proposed ECU has been designed, successfully tested and implemented on ALTERA's UP1 prototyping board. The FPGA programmable device used is the EPM7064SLC44-5.

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