The conceptual model of China's future double-deck high-speed rail EMU developed by the Chinese Academy of Sciences was disclosed by the media, causing concern. What is the current research and development situation of double-decker high-speed EMUs in the world? What technology is the most economical and safe? According to Zhang Weihua, a professor at Southwest Jiaotong University, the next generation of high-speed trains in Germany and France advocate the use of double-decker EMU technology. The goal is to improve passenger capacity, provide transportation capacity, and improve economy.

As we all know, around the Spring Festival every year, there will always be an explosive increase in passenger flow between the southeast coast and the mainland, and the citizens are also suffering from the difficulty of high-speed rail tickets. Therefore, high-speed railways urgently need to increase transportation capacity. This double-deck high-speed rail EMU makes full use of space, and adding a layer of seats is undoubtedly the most feasible solution to increase transportation capacity.

Retaining the streamlined design of the Harmony and Fuxing, the biggest advantage of the double-deck EMU is that it can increase the passenger capacity. Especially during peak travel times such as holidays, it can effectively alleviate the problem of tight capacity.

According to reports, the double-decker EMU car is aimed at the international market, with a speed of 160 kilometers per hour as the basic technology platform. The core components such as the car body and bogie are designed and verified in accordance with the standards of the high-speed EMU. The technology can be upgraded according to different needs to reach a speed of 160 kilometers per hour. Multiple speed levels above kilometers. At the same time, the whole vehicle adopts lightweight design, compound brake control, safety, energy saving and environmental protection.

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