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Trionic is an engine management system developed by Saab Automobile, consisting of an engine control unit (ECU) that controls 3 engine aspects: # Ignition timing, # Fuel injection # Acts as a boost controller. Hence the numerical prefix 'Tri' in Trionic. 'Ion' comes from the fact that it uses ion current as a sensor for knock, misfire and synchronization detection Since Trionic 7, the throttle and thereby the air charge is electronically controlled, but the name "Trionic" was not changed accordingly. == History == The SAAB Trionic engine management system was developed for the 9000 and 'New Generation' 900 turbocharged engines. The engine management system was first utilized on the Saab B204 and B234 "H" engines to monitor and control the fuel injection system and turbocharging pressure control. The Trionic 5.2 and 5.5 systems utilized the manifold absolute pressure (MAP) sensor and the intake air charge temperature sensor to calculate the fuel injection curves, while the Trionic 7 and 8 systems are mass air flow type. The two have substantial differences that prevent utilization of components between the two. Generally speaking, engine tuners prefer the easier to work with Trionic 5 systems over the Trionic 7 and 8 which are more restrictive in what can be manipulated in the software. The intellectual rights to the Trionic 5 and 7 systems were sold to BAIC, along with the Saab H Engine that it was designed for, in 2009 as part of Saab's restructuring and transfer of ownership from General Motors to Spyker. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Trionic」の詳細全文を読む スポンサード リンク
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