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The demands for effective and efficient management of commercial vehicles and freight transport have led to the increasing needs for sophisticated fleet management systems (FMS) for reducing the operation cost of commercial vehicle operation, improving custom service and asset management as well as maintaining the safety and security. The availability and declining costs of telecommunications and information technologies afford opportunities for using real-time information to achieve these targets and the emergence of internet technology make it possible to transfer updated real-time information through more widely available communication media. This paper introduces the web-based remote-access concept for the real-time information acquisition, which has been used to enhance functionality of a dynamic fleet management system.

A new tool set has been developed to assist the design of In-Vehicle Networks and Diagnostic Interfaces. The paper describes a methodology by which a number of networks may be simulated simultaneously and how the new tool set can be used to develop diagnostic communications for a vehicle which supports CAN and Keyword Protocol 2000.