(Original title: China successfully developed the world's first intelligent rail express train)
On the 2nd of the month, at the signing ceremony of the “Intangible, Practical, Intelligent†Rapid Track System (ART) conference and demonstration line signing ceremony, the first column of the world's intelligence was independently developed by Zhuzhou CSR. The track express train (hereinafter referred to as the “Jingdao Trainâ€) was officially launched and announced the establishment of the first demonstration operation line in Zhuzhou. This new traffic operation with the advantages of trams and buses will soon become the new coordinate of urban rail transit, and it is expected to be put into commercial operation in 2018, providing new transportation options for cities including Guangdong.
Seemingly no track, but actually there are "tracks"
The train tracks seem to be indifferent, but in fact there are "tracks". They only use a proprietary technology called virtual track following control developed by Zhuzhou Zhuzhou. It uses the sensor to recognize the virtual track on the road and sends the information to the train's "brain" (central control unit), and adjusts the state of the train's traction, braking, steering etc. in real time according to the instructions of the "brain" to ensure that all the wheels are traveling exactly in the same direction. On the trajectory, trains can run intelligently.
The long-distance rail train is more than 30 meters long and is definitely the "giant" on the road, but it is a flexible "fat." Where are the mysteries? The secret is that the train adopts a multi-axle steering system to track and control the trajectory, so that the turning radius of the train is controlled within 15 meters, which is equivalent to ordinary buses. This solves the problem of turning caused by the long body. At the same time, the train tracks use double-front design, eliminating the hassle of turning around.
The speed of the train design of the train is 70 kilometers per hour. Compared with traditional trams, it has many advantages. Its construction period is only one year and it can be put into use quickly. At the same time, as a power-storage type vehicle, the train has the characteristics of zero emission and no pollution of rail trains such as light rail and subway, and can also support multiple power supply modes. When using energy storage battery power supply, it can run for 15 minutes each time and can run 20 times. Kilometers.
Due to the adoption of the high-speed railway flexible grouping mode, the Zhiliu train can also adjust its capacity according to changes in passenger flow. In the standard three-section formation, the train can carry more than 300 passengers. When five sections are grouped, it can carry more than 500 passengers, which can effectively solve the problem of small bus traffic.
Tailor-made to solve "urban diseases"
“The train of thoughts is a cross-border work in the field of rail transportation.†Dr. Feng Jianghua, deputy general manager and chief engineer of CRRC Zhuzhou Institute, introduced the Autonomous-Rail 燫apid candlestick with the use of a master train as its core vehicle. RANsit (referred to as ART) has the advantages of short construction period, small investment in infrastructure, high urban adaptability, and strong comprehensive transport capacity. It is a medium-traffic rail transportation system solution that combines transport capacity with investment.
Feng Jianghua calculated an account for the reporter. At present, China's subway construction costs about 400 million yuan - 100 million yuan / km, light rail is about 300-500 million yuan / km, tram line engineering cost is about 30 million yuan / Kilometers, while the Zhi Lu train can share road rights with passenger cars, and can be put into use only with simple modifications. Judging from the cost of vehicle purchase, taking a 100% low-floor rail car as an example, the unit price of a 30-meter-long train is 25 million yuan, and the price of each train is 15 million yuan, assuming that 10 kilometers of lines use 10 columns. Rail trains and light vehicle purchases can save 100 million yuan. Coupled with the cost of infrastructure construction, Zhijian trains can save nearly 400 million yuan. It can be said that compared with the existing rail trains, the Zhi Lu train has an absolute advantage in terms of cost.
According to statistics, by the year 2020, with the development of urbanization, the country will add about 80 million prefecture-level cities, but in the course of overall urbanization, 80% of small and medium-sized cities cannot afford the existing track. The high construction cost of transportation equipment and the long construction period, using traditional public transportation, have led to urban congestion “urban diseasesâ€. In order to solve the problem of medium-traffic transportation, it is necessary to plan and construct a traffic volume transportation line with a total mileage of nearly 8,000 kilometers, with a total investment of over one trillion yuan, and the market has great potential.
The Smart Track Express System is tailor-made for solving “urban diseasesâ€. It can be used as a complement to the first-tier cities, rail transit, and can also be used as the main body of passengers in second- and third-tier cities. It can also undertake the transportation of new routes from new districts to new districts, centers, and tourist areas, and can be fully integrated with existing public transportation systems. The combination creates a three-dimensional underground transportation network on the ground, on the ground and in the air, and provides a brand-new solution to solve the transportation problems in modern cities.
(Original title: China successfully developed the world's first intelligent rail express train)
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