29 Jan '15, 6am

Raspberry Pi Learns how to Control a Combustion Engine

Raspberry Pi Learns how to Control a Combustion Engine

For his PhD at the University of Michigan, [Adam] designed a Raspberry Pi-based system that controls an HCCI engine, a type of engine which combines the merits of both diesel and gasoline engines. These engines exhibit near-chaotic behavior and are very challenging to model, so he developed a machine learning algorithm on a Raspberry Pi that adaptively learns how to control the engine. [Adam]’s algorithm needs real-time readings of cylinder pressures and the crankshaft angle to run. To measure this data on a Raspberry Pi, [Adam] designed a daughterboard that takes readings from pressure sensors in each cylinder and measures the crankshaft angle with an encoder. The Pi is also equipped with a CAN transceiver that communicates with a low-level engine control unit. [Adam]’s algorithm calculates engine control parameters in real-time on the Pi based on the pressure readings an...

Full article: http://hackaday.com/2015/01/28/raspberry-pi-learns-how-to...

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