텔레매틱스 장치 개발을 위한 차량 시뮬레이터 기반의 평가 방법 개발

For development Telematics devices and software, traditional development methods including unit function test, compatibility test and T-car test often show limitations. The state of art Telematics devices have various functions including navigation, wireless communication, self diagnostics, DMB, audio & video and even vehicle control implying that the interactions among three major factors of automotive electronics - the vehicle, the device and the driver - need to be considered together whenever possible. This paper shows the virtual reality based test environment with KAAS(Katech Advanced Automotive Simulator). The two characteristics of the test systems are the CAN(Controller Area Network) protocol providing the real-time vehicle status and the real-time GPS signal indicating the current position of the vehicle. Therefore, the Telematics devices can be simulated in the virtual environment as if the devices are installed in a vehicle while the vehicle is driving simulator. The GPS simulator receives the vehicle status data such as vehicle position in the 3D virtual space in real time, computes the location of the GPS satellites above the vehicle, and sends the GPS RF signal of each satellite through the RF antenna mounted on the KAAS.