After the project is completed, it will play a leading role in the whole country. Photo courtesy of the interviewee.
Top News Henan Business Daily reporter Wang Fangxian
In 2023, the development of smart and green transformation will be comprehensively promoted, and the transportation industry in Henan Province will implement action plans such as scientific and technological innovation, digital transformation and green and low-carbon transformation. Among them, promoting the pilot construction of Zhengzhou BRT autopilot application is an important content to accelerate the digital transformation.
Top News Henan Business Daily reporter learned that Zhengzhou BRT pilot application will build a 24.5-kilometer L3 self-driving BRT bus line (referred to as "East Third Ring Road Self-driving Bus Line") on the East Extension Line of North Third Ring Road-East Third Ring Road. At present, four L3-class self-driving vehicles have been put into operation for line joint debugging test, and it is expected to be put into operation before the end of the year.
Compared with the self-driving bus line 1 in Zhengdong New District, what are the technical improvements of the self-driving bus line in East Third Ring Road? On March 7th, the reporter of Henan Business Daily, the top news, had a pre-emptive test ride experience.
Traffic lights automatically adjust signals to make way for self-driving buses.
On the morning of the same day, a Yutong "Black King Kong" pure electric bus slowly pulled into the parking spot of Ping ‘an Avenue in the East Third Ring Road. The appearance of bright gray body, full-screen front and integrated LED headlights reflected the sense of modern technology everywhere.
According to the on-board technician, the bus put into use on the automatic driving line is equipped with an intelligent network connection system, which can realize L3-level automatic driving.
The so-called L3 automatic driving means that the driver no longer needs hands and feet to stand by, and the car can complete all driving operations independently, but the driver still needs to keep his attention in order to cope with possible situations that artificial intelligence can’t cope with at any time.
In the test ride experience, after the bus started slowly, the driver switched to the automatic driving mode and freed his hands. When the vehicle turns left on the East Third Ring Road and the North Third Ring Road, the steering wheel turns left for one and a half turns, and the vehicle turns smoothly; Walking to a traffic light intersection in the North Third Ring Road, the bus voice system reminds that "the bus is given priority and the red light is shortened by 22 seconds"; When you go to a bus stop, the bus automatically slows down, enters the station, stops and leaves the station …
The top news reporter noticed that the vehicle is equipped with three electronic display screens, which respectively show the real-time monitoring of the bus cab, the integrated road information of the bus AI system and the physical model of digital twin information. A series of automatic driving operations of the above buses can be directly seen on the big screen inside the car.
In terms of vehicle speed and comfort adjustment, the technician introduced: "In the automatic driving mode, the fastest speed of the bus can reach 50 km/h. During driving, the vehicle will calculate and control the speed according to information such as road conditions and traffic lights, and the sense of frustration is greatly reduced compared with that in the manual driving mode."
From software to hardware, technology and fashion coexist.
In fact, as early as two years ago, Zhengzhou has opened a self-driving bus line.
In August 2020, the self-driving bus line 1 in Zhengdong New District was opened for operation, and many citizens have already experienced it.
"There are 32 intersections in the East Third Ring Road self-driving bus line. The line is under the elevated East Third Ring Road, with many blind spots and complicated road conditions." Tang Bo, deputy director of the maintenance department of Zhengzhou Public Transport Group, said that compared with the self-driving bus line 1 in Zhengdong New District, the self-driving bus line in the East Third Ring Road has been significantly improved in terms of signal priority system, blind spot detection system and high-precision positioning system.
The high-value platform of this line is also worth looking forward to. On March 7th, the reporter of Henan Business Daily, the top news, saw at the construction site of Ping ‘an Avenue Station that the bus platform with the shape of "time tunnel" and full of sense of science and technology had just appeared. Compared with the existing BRT platform, the new platform was more simple and fashionable.
Yang Liu, deputy director of the Infrastructure Management Department of Zhengzhou Public Transport Group, said that the project adopts all digital platforms. The passenger information service system on the platform consists of electronic stop signs, guide screens, LED hoisting screens, entrance and exit prompt screens, etc., and provides passengers with travel information such as line inquiry, waiting time, transfer information and in-vehicle comfort through big data.
It will be opened to traffic before the end of the year and will be a pilot demonstration in the country.
In recent years, Zhengzhou bus has been updated from fuel vehicles and gas vehicles to new energy vehicles and pure electric double-decker vehicles; From coin-in to mobile payment … Zhengzhou East Third Ring Road self-driving bus line will realize the "intelligent" iterative upgrade of bus again. Many citizens are always paying attention to the construction progress of this project.
"At present, the installation of intelligent networking equipment in this project has been basically completed, the automatic charging station has been completed, and the main construction of the whole platform has been basically completed, and it has entered the stage of decoration." Yang Liu told reporters that in the second half of this month, the equipment in the platform will enter the debugging stage, and the project will be fully completed in the first half of the year and will be put into operation before the end of the year.
The completion of this project will not only strengthen the bus connection between Zhengdong New District and the North-South Development Axis of Economic Development Zone, but also strengthen the traffic connection between the main city and Zhengzhou East Station, Beilonghu, Finance Island, Wisdom Island and other regions, give full play to the role of public transportation in leading urban development, and promote the continuous development of regional economy and society.
It is worth mentioning that after the project is completed, it will play a leading and exemplary role in the whole country.
It is understood that in November 2021, the Ministry of Transport issued a notice and decided to organize the pilot work of autonomous driving and intelligent shipping pilot applications.
In August, 2022, the "Zhengzhou BRT Autopilot Application Pilot Project" recommended by Henan Provincial Department of Transportation, led by Zhengzhou Public Transport Group Co., Ltd., and participated by the Research Institute of the Ministry of Transport and Yutong Bus Co., Ltd. was selected into the "List of the First Pilot Projects of Intelligent Transportation Application (Autopilot and Intelligent Shipping Direction)" of the Ministry of Transport.
According to the construction goal, before December 2023, Zhengzhou BRT pilot application will be set up on the 24.5-kilometer bus line of the East Extension Line of North Third Ring Road-East Third Ring Road-East Extension Line of South Third Ring Road, with 24 stations along the way and 40 self-driving BRT vehicles, with a cumulative mileage of not less than 160,000 kilometers and a service of not less than 20,000 passengers.
At the same time, the project will form a summary report on the pilot work, and no less than three standards, specifications or technical guidelines will be formed around the operation scenario of autonomous driving BRT, which will provide reference for the construction and operation management of autonomous driving BRT system in the industry.
Automatic classification of automobile driving
L0 (emergency assistance) system can’t continuously perform the lateral or longitudinal motion control of vehicles in dynamic driving tasks, but it has the ability to continuously detect and respond to some targets and events in dynamic driving tasks.
L1 (partial driving assistance) system continuously performs the lateral or longitudinal motion control of vehicles in dynamic driving tasks under its designed operating conditions, and has the ability to detect and respond to some targets and events that are suitable for the lateral or longitudinal motion control of vehicles.
L2 (Combined Driving Assistance) system continuously performs the lateral and longitudinal motion control of vehicles in dynamic driving tasks under its designed operating conditions, and has the ability to detect and respond to some targets and events that are suitable for the lateral and longitudinal motion control of vehicles.
L3 (Conditional Autopilot) system continuously performs all dynamic driving tasks under its designed operating conditions.
The L4 (highly autonomous driving) system continuously performs all dynamic driving tasks and automatically executes the minimum risk strategy under its designed operating conditions.
The L5 (fully automatic driving) system continuously performs all dynamic driving tasks and automatically executes the minimum risk strategy under any driving conditions.
Cartography/Chief Editor Yang Fangfang