What Does a Flight Specialist Do?

Liu Yong, male, 34 years old ^[1] , leader of the orbital room control group of the Beijing Aerospace Flight Control Center ^[1] , chief designer of the orbital room of the Chang'e-3 mission ^[2] . In December 2010, he was awarded the "Chinese Youth May Fourth Medal" by the Communist Youth League Central Committee. ^[1]

Liu Yong

(Space flight expert)

Liu Yong, male, born in 1976, is the leader of the orbit room control group of Beijing Aerospace Flight Control Center. He went through 7 times "

In 1998, Liu Yong graduated with honors from Beijing University of Aeronautics and Astronautics, came to Beijing Aerospace Flight Control Center, and began to prepare for the manned aerospace engineering technology. At that time, his first task was to develop attitude determination software for the Shenzhou spacecraft.

There are seven major systems for manned spaceflight in China. The Beijing Center is the "nerve center" for manned spaceflight control. During the implementation of the flight control mission, attitude calculation is an important task that reflects the accuracy of the flight control and provides the basis for decision-making.

At that time, at the beginning of the establishment of the Beijing Center, the attitude calculation was blank. What's more, the fledgling Liu Yong didn't know the task status, and had no practical experience. During the intensive preparations, a series of strange words constantly struck his mind: filter fixed position, double vector fixed position ... Sometimes Liu Yong was in a cloud and fog, confused.

Facing the challenge, Liu Yong, like a fully-armed warrior, launched an onslaught on difficult problems. He supplemented his knowledge of attitude and trajectory control systems while conducting solution research and software development. Astronomy, aerodynamics, computational mathematics, dozens of monographs, in just two years, he has accumulated millions of words of learning materials and hundreds of thousands of words of study notes.

At 18:59 on October 1, 2010, China's second lunar exploration satellite "Chang'e-2" was successfully launched. Under the precise control of the Beijing Aerospace Flight Control Center, the satellite successfully completed its mission after a number of key actions such as midway correction, recent month acquisition, and orbit control.

In December 2010, Liu Yong, a 34-year-old young science and technology expert from the Beijing Space Flight Control Center, was awarded the "National May 4th Youth Medal" by the Communist Youth League Central Committee in recognition of his important contribution to space flight control.

For a young expert engaged in track measurement and control, all this did not come easily. Born from a local university as an outstanding space flight control expert, Liu Yong has gone through seven "Shenzhou" missions and two "Chang'e" missions. He climbed relentlessly during the magnificent journey to conquer space. ^[3]

His excellent work helped the Chang'e-2 satellite cancel the two mid-orbital corrections originally planned;

His outstanding performance enabled Chang'e 2 to safely enter the orbit only 15 kilometers away from the moon in a "blind control" state.

Over the years, Liu Yong s research on spacecraft lift-in reentry control technology and attitude determination technology has played an important role in previous Shenzhou spacecraft missions; his independently developed spacecraft visual mission analysis system has become the orbit control of previous missions. Practical software; he broke through the key technologies of attitude calculation and viewpoint control and filled the gaps in the attitude calculation of Beijing Center; the "attitude ball" he developed provided strong support for quickly and accurately judging the state of the aircraft and implementing mission decisions. ^[3]

In December 2010, he was awarded the "Chinese Youth May Fourth Medal" by the Communist Youth League Central Committee ^[1] ;

Winner of the National Science and Technology Progress Award Special Prize ^[2] ;

Outstanding contributors to the Chang'e-2 mission of the Lunar Exploration Project ^[2] .

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