SAMPLE PROJECTS

Coltec Engine Development

 

 

 

 

 

Performance Electronics was commissioned by Coltec, Inc. in conjunction with Cummins Engine Company and the U.S. Navy to develop a custom engine control system for a revolutionary experimental engine. The rotary power plant’s novel combustion concept required customer software and hardware to control fuel delivery and spark ignition. Performance Electronics delivered the controller hardware and software, plus engine hardware, system calibration, and firmware update tools. The system provided to Coltec, Inc. is described below:

System Details

Complete Adjustability – All system parameters adjust using a PC-based, custom monitoring program.

Fuel Control – The Electronic Control Unit (ECU), via direct injection, controls fueling based on engine load, RPM, engine temperature, battery voltage, and air temperature.

Ignition Control – The ECU adjusts and controls ignition timing and dwell. In addition, a special feature allows the ignition to be suspended during certain segments of the operating range.

Additional Control – Another unique feature of this system is the ability to “drive by wire”. The ECU electronically controls the throttle valve allowing its closed-loop operation as a function of  other engine parameters. The fuel pump and several status indicators are similarly controlled by the ECU.

Off-Site Firmware Updates – Because this project involved the development of a new engine technology, Performance Electronics, Ltd. provided Coltec, Inc. with the necessary hardware for remote firmware upgrades. This allowed Performance Electronics, Ltd. engineers to add features to control the system after delivery without physically having the hardware.

Total Package Solution – Performance Electronics, Ltd. supplied the Total Engine Control Solution, which included the electronic control unit, wire harness, throttle body, air filter, ignition coil, relay box, programming box, and complete system manual.

Single Cylinder Engine Controller

This is the single-cylinder engine control system. All of the electronics are sealed within the water-tight enclosure. This system was designed for a two stroke motorcycle engine. The ECU is small, lightweight, rugged and it controls all of the fueling and ignition responsibilities of the engine. This system had many of the same features as some of our standard engine control products. The benefits of adding an engine management system to a 2-stroke include: increased low and mid RPM torque due to better fuel and ignition control, improved all around drive-ability, reduced exhaust emissions.

Please contact us!

Performance Electronics, Ltd. would be happy to answer any questions regarding our current products or how we may be of assistance in the design and development of a custom system.

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