Using VT System for Automated Testing of ECU
Journal Title: IOSR Journals (IOSR Journal of Computer Engineering) - Year 2016, Vol 18, Issue 3
Abstract
This paper presents an automated method of testing an Electronic control unit (ECU) of a car headlamp by simulating the loads and sensors that the ECU is built to control. Testing of an ECU in every phase of development is very important as the ECU is produced for performing many complex and critical tasks related to particular loads and sensors. And it is cheaper and easier to correct errors detected in early stages than those detected in later stages of development. So the ECU must undergo in-depth and comprehensivetesting. The simulation of the loads and sensors are done using a Vector tool called VT System. It is important for the ECU to be in an environment that closely resembles that of the real vehicle. VT System fulfills theseneeds. The VT System is a modular I/O system that drives ECU inputs and outputs for functionality related testing with CANoe. It is able to create faults which should be detected by the ECU and display an error code.This is a way of partly testing an ECU. The use of software tool CANoe for simulation of other ECUs in a car is well-suited for tests on all development levels, due to its high scalability and flexibility. Automated testingincludes faster test execution, higher accuracy and the reusability of tests. The ECU's I/O lines and any necessary sensors and actuators are connected to the VT System modules. The PC with CANoe is connected to the real-time Ether CAT via the computer's Ethernet port. This lets users set up flexible test systems with little integration or wiring effort.
Authors and Affiliations
Shruthi T S , K H Naz Mufeeda
Keywords
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