Methodical Aspects of VHDL-based Field Bus Modelling with a Controller Area Network
نویسندگان
چکیده
Methodical aspects are described to develop VHDL models of field bus systems. Field bus systems used in automatic control engineering are examples of distributed computing systems. Modelling of such a system is demonstrated with a Controller Area Network (CAN). The consideration ranges from the process to the control devices. Targets are functional verifications as well as performance predictions. Since the bus is a decisive component modelling is focused on questions concerning the signal abstraction and the protocol used. VHDL code formulation is based on Statecharts. A design and simulation environment including the Synopsys VHDL simulator is presented.
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