The first test of 200 km / h expressway and maglev vehicle technology in China

Thanks to CTOnews.com netizen grass Luo Yuzi for the clue delivery! CTOnews.com Sept. 8, China's current highway speed limit is 120km / h, there is a lot of discussion about whether the highway should increase speed, and with the progress of technology, speed increase is also expected to be realized step by step.

According to Jiangsu Radio and Television head Station, on September 6, the technology of China's 200 km / h highway was tested in Jiangsu, and the maximum speed of real cars was once close to 230 km / h. The test was conducted within 7.9 kilometers of the Jiangsu section of Gao-Xuan Expressway, which covers multi-stage speed limits such as 140-160-200 kilometers per hour. Eight vehicles were tested, including 5 new energy vehicles and 3 conventional energy vehicles, and 8 drivers of different ages and genders were recruited from social channels.

This test is not aimed at car performance, but on road design and use standards. The test results standardize the design standards of the horizontal, vertical and transverse sections of the expressway under the corresponding speed conditions, and develop new safety protection measures under the condition of ultra-high speed, which provides an important guarantee for the safe and efficient operation of the 200 km / h expressway.

In addition, a maglev vehicle test was carried out at the test site of Gaoxuan Expressway in Jiangsu Province, which was developed by Southwest Jiaotong University. The maglev vehicle is modified on the traditional vehicle structure by installing a permanent magnet array for levitation guidance and laying a good conductor track on the ground, so that the car can be suspended on the road surface. The project puts forward the technology of linear maglev vehicle and rotating maglev vehicle, develops the integrated control system of levitation, drive and guidance, and carries out real vehicle transformation and testing experiments. After testing, the domestic test target of suspension weight of 2.8 tons and suspension clearance of 35 mm has been successfully achieved for the first time in China.

CTOnews.com learned that the Hangzhou-Shaoyang-Ningbo Expressway, which is about to be opened in China, is exploring the speed level for the first time. Zhejiang Hangzhou-Shaoyong Expressway is designed to run at a speed of 120 kilometers per hour, but a speed of 140 kilometers per hour is reserved. There are no technical problems if the speed is to be increased in the future.