Focus on Smart Civil Aviation | Xiamen Aerospace Plan Flight Plan System: "Smart Egret" to travel the world independently

Video Smart Civil Aviation Guide (Production: Wu Yuxuan)

On May 16, 2022, the new generation of domestic flight plan system -Tianshu Flight Planning System -officially launched by Xiamen Airlines — officially launched. The first flight plan named for the first star of Beidou Seven Stars is the first domestic flight plan that supports global operations that supports global operation. Controlled. What is the significance of the flight plan system for airlines and even the entire civil aviation industry? Why does the emergence of the domestic flight plan system have a profound impact? Let's answer these questions on the road to the birth of the building space hub flight plan.

Independent innovation technology climbing

How much oil should be carried in one flight to ensure that the aircraft is sufficient to deal with various complex situations? In the era when computers have not been introduced in the aviation industry, this problem requires people to carry out manual calculations in combining the actual operating conditions such as meteorological conditions, navigation conditions, and carrying conditions of the flight operation, as well as the performance and navigation data of the aircraft. As the operation of the flight is becoming more and more complicated, and the requirements for security and economy are getting higher and higher, this traditional manual method can no longer meet the airline's flight operation needs from computing accuracy and computing efficiency. As a result, the computer flight plan system came into being, and as the information revolution continued to update iteration, it has the functions of increasingly rich and more important.

Today, the flight plan system used by domestic airlines can plan the optimal route through scientific and reasonable computing models such as bureau standards and corporate policies, aircraft performance, high -altitude ground meteorological prediction, navigation intelligence restrictions, karma and other information. , Select the optimal preparation and the best cruise high level that meets the safety standards, and calculate the flight time and the required fuel amount. A stable, reliable, efficient and accurate flight plan system can reduce fuel consumption, reduce carbon emissions, maximize the performance advantages of aircraft, and create good social and economic benefits. For airlines, this is the core ring to ensure flight safety, ensure efficient operation and improve efficiency. not

For a long time, the civil aviation flight plan system was monopolized by European and American countries. Most of the domestic airline's flight plan systems are introduced from foreign manufacturers, paying high fees each year, and continuous technical upgrades can only rely on foreign parties, and independent innovation is imminent. However, the algorithm involved in the flight plan system is complex, the data types are large, and the amount of data is huge. This technology has long been monopolized and blocked by European and American countries. It is extremely difficult to develop independently.

The computer flight plan system has continued to update and iterates with the information revolution, and has more and more important functions (drawing/Wang Shixin)

The road is long, but there are no shortage of brave pedestrians. On May 16 this year, Xiamen Airlines officially opened the Tianshu Flight Planning System independently developed, breaking a number of monopolies from Europe and the United States in this field, and completed the "Fourteenth Five -Year Plan" deepening of civil aviation reform work. "Hurry up and promote the independent research and development of the airline operation control system". Behind this breakthrough is a technology climb for more than 20 years. not

From nothing to breaking the monopoly

As early as 2000, Xiamen Airlines proposed a new idea of ​​abandoning the "extensive" fixed oil volume and promoting the autonomous "dynamic evaluation". However, this new idea requires an advanced flight plan system as a support, and the cost of introducing systems from abroad is very high. As a result, we made every effort to develop a real domestic flight plan to become the goal of the Xiamen Airlines people who vowed to achieve.

In 2008, the Xiamen Airlines FPS flight plan was developed and launched the following year. Its launch broke the technical monopoly of foreign manufacturers in this field. In 2009, the system was well -known experts from the Institute of Software of the Chinese Academy of Sciences and well -known experts from Tsinghua University, Beijing Normal University, China Civil Aviation University and other universities, as well as Xiamen Air Traffic Management Station, Southern Airlines, Shanghai Airlines, Shenzhen Airlines, Shandong Airlines and other majors. The appraisal committee composed of people has confirmed that the system is the first computer flight plan system independently developed and successfully applied to the airline operation management of my country, filling the gap in the field in this field, and the flight plan capacity has reached the international advanced level.
In 2014, Xiamen Airlines introduced the Boeing 787 model to operate international routes including intercontinental routes. During this period, due to the underlying intelligence data of the FPS system and the lack of ETOPS operation (delayed operation), the second release algorithm, Xiamen Airlines had to introduce the operational support of foreign flight planning systems for intercontinental routes. not

In fact, such an encounter has strengthened the determination and belief of Xia Xia's adherence to independent innovation and firmly holding key technologies "Niu Ni". Through in -depth cooperation with AVIC Navigation Technology Company, Xiamen Airlines's domestic underlying data framework was established in early 2021. The new generation of flight plan system research and development project officially launched, and the first star "Tianshu" in the North Dou Qixing Essence not

Under the command and deployment of the company's main leadership, the Building Shipping Risk Control Department and the Digital Committee set up a project team to Nanjing University of Aeronautics and Astronautics to discuss algorithm design with the professional professor team, and collect first -line user opinions and suggestions in the industry, analyze and compare foreign manufacturers The advantages and disadvantages of the system. After more than a year of development, testing and verification trial operation, Xia Xia's domestic and near -foreign international flights will be officially launched from 15:00 on May 16th.

The Xiamen Aerospace Flight Plan system has a calculation function covering the global model flight plan. It is the first domestic flight plan system that supports international operations and the first domestic flight plan system led by airlines. Xiamen Airlines has therefore taken the lead in achieving the key core technology of the flight plan production and controlling the "card neck" problem. In addition, the Xiamen Aerospace Plan Flight Planning System also realizes the "ecological" application such as the visualization of the flight plan, the increase in the operation rate of the operation, and the automatic optimization of the route section and the departure field, which greatly improves the efficiency and efficiency of the system use and the efficiency and efficiency of the system use. accuracy. not

Continuously improved from one to strong

From the system function to the comprehensive upgrade of the core algorithm, in the continuous update and improvement, the Tianshu flight plan system has achieved a number of technical breakthroughs.

The first is the development of full -function flight plan algorithms. The project team proposed the method of secondary fuel calculation and the iteration of the second release point, as well as the method of solving and key fuel solutions for the time operation of the extension operation. The international operation of the flight has achieved zero breakthroughs. not

The second is the application of fuel optimization technology. The project team applies a number of fuel optimization technologies, and has developed the optimization algorithm based on a variety of strategies. The intelligent recommendation is the best high profile that meets the operating conditions. Intelligent optimization of fuel computing in all directions, and strive to achieve refined fuel cost control on the basis of stable and safe. not

Finally, the technical architecture is fully upgraded. The project team comprehensively adopts the open source technology framework for research and development, realizing the front -end and back -end separation architecture, supports K8S deployment, flexibly scalable according to the demand of resource, and supports domestic server deployment operations. The system effectively improves the flight planning rate through secondary cache, pre -load, estimated calculation, and optimization calculation process. not

On the basis of improving the underlying intelligence data construction of Europe, South America, and North America, on July 25 this year, the Xiamen Aerospace Hub Flight Plan (Intercontinental) was launched on the line, marking the first time that Xiamen Airlines had independently grasped the ETOPS entry point, At the time of the time, the key fuel and the secondary release of the air, and have the functions of air -to -air change, route planning, and high -level optimization based on China's civil aviation operation rules, have achieved new breakthroughs.

Tianshu Flight Planning System from scratch, from weak to strong, from lack of rectification (drawing/Wang Shixin)

From scratch, from weak to strong, the research and development process of Xiamen Airlines Flight Plan System is Xiamen Airlines the first of the three major driving force for the development of the company. Prevention of pilot engineering. In terms of organizational structure, Xiamen Airlines integrates the Science and Technology and Information Commission directly led by the company's chairman and general manager, forming a digital construction and technological innovation of science and technology and informatization committee coordinating leadership, digital committee led, and joint participation of various units. Organizational management system. Under the traction of the new organizational structure, Xiamen Airlines adheres to its own research and development with safety and innovation. "It has laid the technical foundation for autonomy and continues to contribute" Xiamen Airlines Wisdom "to the construction of a strong civil aviation power. (China Civil Aviation News reporter Liu Shaobin) (This article was published in the 5th edition of China Civil Aviation News on August 17, 2022)

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