전체 글 썸네일형 리스트형 Easter Snow in Germany BW April 2nd 2022, I got snow today in Germany Stuttgart and Ludwigsburg area. 더보기 21 Lessons for the 21st Century I have bought at Stuttgart train station waiting for the train heading Frankfurt airport on the way to Suzhou, China for a conference. Like his second book Homo Deus, this book also gave me full insights to world view. It is really amazing to see and feel his way of understanding the world and human history. His message 'we have to do something now to deal wirh the three self-made challenges, ne.. 더보기 PCU Powertrain Control Unit During cleaning up my study room, I have found a very old PCU which my project team has developed for Hyundai's A-segment sedan in 2007. This is the scrap after PCB heat-up test, the burnt damage can still be seen in the copper connection between PCB and connector. Nowdays, the size of control unit is much smaller than this one and number of integrated functions are tens of times increased. It i.. 더보기 Siracusa in Sicilia It was the first time for me to touch Sicilia. It has shown me surprisingly old history of medeterian see there with the Siracusa Cathedral, Greece Theater, and Aprollo temple. Prices and weather are warm enougn to enjoy... 더보기 End of Globalization & Automotive Industry Since the end of 2020, the automobile industry has faced many difficulties because the supply chain of various parts that despise semiconductors does not work as before. At first, it was predicted that it would be a temporary situation due to the Covid-19 virus pandemic, but the situation has not improved until a year and a half later. The superficially visible situation shows that large tier-1s.. 더보기 Coolant Temperature Sensor Our human body has to keep a certain range of temperature (37deg C) for healthy daily life. Like our body, an internal combustion engine is designed to be operated optimally under a certain temperature condition. In general, the coolant temperature stays around 90 deg C for an optimal operation of an engine. If the operation temperature stays out of this designed range, the engine can show sever.. 더보기 Sensors_General A power control system in vehicles works as a system composed with sensors, controller and actuators. We can easily compare any system with our body system. We have sensors, such as, eyes to see, nose to smell, tongue to taste, etc. Our brain analyze the signals from our sensors and make and order to the actuators (our hand, leg, foot, any kind of muscle in our body) for a planned purposes. Nowa.. 더보기 Autonomous Driving_Map The navigation function will be an essential part of autonomous driving system in addition to the “control” function. The route calculation from the start point to the destination is a normal service supported from the current navigation system, but the current map information is far away from the required quality of map for autonomous driving. For autonomous driving all the information on the m.. 더보기 이전 1 2 3 4 5 다음
