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Special Issue 'Intelligent Data Acquisition and Smart Sensors Systems'

Vol.8, February 2010, pp. 54-64

 

 

Bullet

 

Testing of CAN Based Automotive Distributed Systems Using a Flexible Set of IP Functions

 

Jiří NOVÁK

Czech Technical University in Prague, FEE, Department of Measurement,

 Technická 2, Prague 6, 166 27 Czech Republic

Tel.: +420 224352807

E-mail: jnovak@fel.cvut.cz

 

 

Received: 28 January 2010   /Accepted: 15 February 2010   /Published: 26 February 2010

 

Abstract: An increasing number of Electronic Control Units in passenger cars and high communication traffic have led the car manufacturers to splitting a single CAN network into several dedicated sub-networks running concurrently. Test and evaluation tools for CAN based networks are available for years, but they are mostly focused on test scenarios with up to two CAN networks, often based on the standard CAN hardware with a limited test functionality. They usually rely on the extensive support provided by a PC running a Windows based application software, which in many cases limits accurate test timing, especially when real-time response on the bus events is required. This paper presents a set of three unique instruments (CAN generator, CAN trigger unit, CAN controller) designed in form of IP functions. Arbitrary number of the IP functions can be used in FPGA based test tools supporting real-time test scenarios over “unlimited” number of CAN sub-networks simultaneously.

 

Keywords: Vehicle, CAN, Communication testing, IP function

 

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