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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.
Recently, most automakers have been working on the development of advanced driver assistance systems with an emphasis on driver safety. Conventional BSD is a blind zone warning system, and most of them use radar equipment for obstacle detection. However, BSD systems using radar equipment are still difficult to popularize in terms of price. Therefore, there is a need to reduce costs by developing a multi-function using a popularized driver-assisted system sensor. In this paper, we propose an ultrasonic BSD warning system which has a blind zone warning function by using ultrasonic sensor for parking assist system.
Recently products based on in-vehicle display(ex, vehicle navigation, telematics service, DMB, etc.)rapidly expand in market. because of driver for vehicle IT product increase supplying in the demand. Bacause the policy has been focused on limiting the commercial advertisement which has been always core interest of companies, the study on actual driver distraction and efficiency of advertisement has been also limited. Assuming that the commercial advertisement using in-vehicle display system can be allowed in the near future, as a base study for safety and efficiency, a set of experiments with various advertising text was conducted using the vehicle simulator system in KATECH(Korea Automotive Technology Institute). According to it distinguishes to method of efficiency advertisement a plan, in-vehicle will be used to total studying advertisement safety and approval in based on fundermental data.
Vibration of real vehicle originates an engine drive and form of road surface. It begins a fatigue accumulation of vehicle driver, with technology for restraint to vibration of vehicle is going to research and application. The vehicle seat vibrator is a simulator for vibration of real vehicle reappears. Vehicle vibration generated of virtual experiment a driver feel in vibration area. The oil pressure type vehicle seat vibrator of preexistence is limiting a vibration test plan of small scale for make because of high cost; with vehicle seat vibrator using single electric actuator develops. It study analyses systems limit and dynamics of vehicle seat vibrator. And control algorithms apply electric actuator for vibration test.
협력 필터링(Collaborative Filtering)은 상품추천, 영화추천 등에 사용되는 대표적인 방법으로서, 사용자들의 사용이력에 기반해서 유사도가 높은 항목들을 찾아낸다. 본 연구에서는 상용 IPTV 서비스에 협력 필터링을 적용했을 때 만들어지는 모델을 분석하여 어떤 요소들이 협력 필터링 모델의 생성에 영향을 끼치는지 분석했다. 이를 통해 IPTV 영역에 협력 필터링을 적용했을 때 영향을 끼치는 요소들과 다른 영역과는 다르게 고려해야 할 사항들을 알 수 있었다.