The development times and cost of control strategy software have been under intense scrutiny by automotive manufacturers and suppliers. The time required to produce, optimise, calibrate, and verify a vehicle's control software has become inhibiting for deploying proof-of concept vehicles. To eliminate this bottleneck the vehicle manufacturers and suppliers are turning to sophisticated graphical modelling and code generation tools to accelerate control software development programs. In addition, vehicle manufacturers are also increasing the use of distributed controllers which also allow for simultaneous development of various control systems and thereby reduce the total control system development time. This paper describes how a specific modelling tool, MATRIXx, from Integrated Systems, Inc., can be applied to rapidly develop automotive control software for a family of rapid prototype controllers from Motorola's Automotive Industrial Electronics Group. It is demonstrated how the modelling tool can be used to specify communication between the distributed controllers using CAN and J1850 standards. In addition to supporting communications interfaces, the modelling tools and controller hardware also support additional advanced features, such as low-power operating modes, storing and moving data to and from non-volatile memory, and also interfacing to sophisticated automotive calibration tools.
Graphical modeling and code generation for distributed automotive control systems
Graphische Modellbildung und Programmentwicklung für dezentrale Regelungssysteme in Kraftfahrzeugen
2000
10 Seiten, 11 Bilder, 1 Tabelle, 14 Quellen
Aufsatz (Konferenz)
Englisch
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