27-02-2013, 10:05 AM
Controller Area Network (CAN) Abstract
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ABSTRACT
Since the early 1940s, automakers have continually improved their vehicles technology by integrating an increasing amount of electronic components. As technology progressed, the vehicles became more complex as electronic components replaces mechanical systems and provided additional comforts, convenience and safety features. Up until the release of CAN BUS, vehicles contain enormous amounts of wiring which was necessary to interconnect all of the various electronic components. This paper summarizes CAN, the Controller Area Network (CAN) serial bus system which is used in a broad range of embedded as well as automation control systems and which has quickly gained acceptance into the automotive and aerospace industries. CAN is a serial bus protocol to connect individual systems and sensors as an alternative to conventional multi-wire looms. A CAN node can be implemented with low cost, low pin count devices, using an I/O limited microcontroller and a stand-alone CAN protocol controller provides a very flexible and effective solution for a variety of applications. A combination of time-to-market pressures, wiring overhead, interaction complexity, and economy of scale pressures have driven manufacturers and suppliers to standardize on digital buses, such as Controller Area Network (CAN). Today, CAN is widely accepted for its high performance and reliability, and is used in a broad range of fields from FA devices and ships to medical and industrial equipment.