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A major trend in modern vehicle control is the increase of complexity and interaction of formerly autonomous systems. In order to manage the resulting network of more and more integrated (sub)systems Bosch has developed an open architecture called CARTRONIC for structuring the entire vehicle control system. Structuring the system in functionally independent components improves modular software development and allows the integration of new elements such as integrated starter/generator and the implementation of advanced control concepts as drive train management. This approach leads to an open structure on a high level for the design of advanced vehicle control systems. The paper describes the integration of the spark-ignition (SI) engine management system (EMS) into a CARTRONIC conform vehicle coordination requiring a new standard interface between the vehicle coordination and the EMS level.

For about 20 years now, legislation for emission standards has become more and more strict. Main current standards are LEVII legislation for US- and EU4 for the European Market. Many emerging markets like e.g. China, India, Russia adopt EU regulations (directly or modified. Mid of 90's discussions began on restrictions and legislation for CO2 emissions. The European commission recently proposed concrete legislation standards for 2012 and 2020. These will have strong influence on the strategies of the Car Manufacturers. Single measures like start stop will be of general interest. But for reaching the fleet average combinations of measures in a single engine configuration will be necessary. Bosch system solutions for engine- and power-train management are available for the whole span of world car segments, ranging from value concepts optimized for emerging markets up to high feature solutions for most stringent requirements world wide.