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Development of Electronic Control Unit Prototype for CNG Engine

MA Yong-fu

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Abstract

In order to re-equip a compressed natural gas(CNG) single-fuel engine based on NQ120 diesel engine,the injection and ignition system were deeply studied.An electronic control unit with ignition and injection function was designed,including hardware and software.Also an ECU online calibration software based on the serial communication module of Labview was developed.Test results show that the designed ECU prototype can control the ignition timing and injection volume accurately.And the ECU can be used in real application after further improvement.

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What this paper is about

In order to re-equip a compressed natural gas(CNG) single-fuel engine based on NQ120 diesel engine,the injection and ignition system were deeply studied.An electronic control unit with ignition and injection function was designed,including hardware and software.Also an ECU online calibration software based on the serial communication module of Labview was developed.Test results show that the designed ECU prototype can control the ignition timing and injection volume accurately.And the ECU can be used in real application after further improvement.

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Available abstract

In order to re-equip a compressed natural gas(CNG) single-fuel engine based on NQ120 diesel engine,the injection and ignition system were deeply studied.An electronic control unit with ignition and injection function was designed,including hardware and software.Also an ECU online calibration software based on the serial communication module of Labview was developed.Test results show that the designed ECU prototype can control the ignition timing and injection volume accurately.And the ECU can be used in real application after further improvement.

Key concepts: Electronic control unit, Engine control unit, Automotive engineering, Compressed natural gas, Ignition system, Software, Diesel engine, Fuel injection

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