What is Fengyun-3 satellite?
Fengyun-2 was the satellite with the largest payload among the Earth observation satellites in China at that time, which required high precision, complicated technology and was difficult to develop.
Gao Volcano is fearless, and with the determination of "loving Fengyun satellite all his life and never giving up until he reaches his goal", he led the developers of Fengyun satellite to launch an impact on another satellite with great pride.
Gaohuoshan participated in the overall design and test of Fengyun 1 satellite measurement and control system, and successfully completed this project.
The A and B stars of 1 Fengyun in 19981failed to meet the design life and encountered setbacks.
In the face of setbacks and pressures at home and abroad, Gao Volcano, commander-in-chief of the General Administration of Satellites, asked developers to advance despite difficulties.
Gao Huoshan and his colleagues made a comprehensive reflection on the design, production and quality control, adopted a series of measures to ensure the quality of satellites, and implemented them one by one.
When developing the "Fengyun1"C star, the scientific and technical personnel are holding back their strength and are bent on making a comeback.
At that time, he was the deputy director of the three scientific research departments in charge of satellite models. Gao Volcano not only helped the "two general managers" to improve the design quality and control the source, but also urged relevant parties to formulate norms and eliminate management hidden dangers in view of the problems and phenomena existing in model management.
High volcano often goes deep into the factory to help analyze the problems, find out the reasons and make serious rectification.
In the days before Fengyun 1' s C star left the factory, she often worked until 23 o'clock in the evening to think of going home.
After working overtime for a long time, I feel that I can't eat the high volcanic rice with serious physical exhaustion and can't sleep well. Tired, he bought American ginseng buccal tablets and put them in his mouth to boost his spirits and continue his work.
When the satellite finally left the factory, he was relieved and followed the "Fengyun1"C-star test team to the launch site to carry out the launch mission.
Before the test team set off, Gao Volcano found that he often had a foreign body sensation in his throat, and he couldn't cough it up and swallow it. He simply took some medicine and got on the special train to the launch site.
Unexpectedly, a day later, Gao Volcano's throat was burning, itchy, stinging and sometimes hoarse. He spoke with all his strength, but his voice was low and he had difficulty swallowing.
During the meeting on the special train, Gao Volcano turned the sound to the highest level and turned it up as loud as possible so that the players sitting in the last row could hear it.
After arriving at the launch site, Gao Volcano overcame pharyngitis and commanded the team members to make preparations before launch. The leader advised him to go to the hospital for treatment, but he neglected it and devoted himself to his work.
On the eve of the satellite launch, high volcano acute pharyngitis developed into chronic pharyngitis, and taking medicine and injection alone had no effect. After the successful completion of the launch mission, Gao Volcano was ecstatic.
After returning to Shanghai, the doctor told him that if acute pharyngitis is not treated in time, it will soon develop into chronic pharyngitis, which will also damage the vocal cords as a breakthrough, cause inflammation of other respiratory organs, and even break out systemic diseases.
In view of the severity of chronic pharyngitis caused by high volcano, many doctors in hospitals invariably wrote long sick leave notes, advising him to talk less and stay in bed for several months.
The high volcano, which can break down from overwork, has no time to rest, and is also responsible for the work of "Fengyun1"D star and its follow-up tasks.
Gaohuoshan spent more than 20,000 yuan to treat chronic pharyngitis, which has never been cured. Until now, if he talks for a little longer, his throat will be dry and itchy, causing a dry cough.
In 2000, Gao Volcano served as the commander-in-chief of Storm Knight Satellite. China began to develop a new generation of meteorological satellites.
Due to the weak foundation of China's electronic industry, the quality of some electronic components in China has been flawed for a long time. Components used in satellites have extremely demanding quality requirements.
In order to ensure the long life and high reliability of satellites, we must first ensure the high quality of components.
"Fengyun1"A star and B star "died" one after another shortly after launch, which deeply hurt the hearts of scientific and technological personnel.
Under the leadership of Meng Zhizhong, the chief commander and chief designer of the satellite at that time, starting from the "Fengyun1"C star, they always placed equal importance on improving the quality, reliability and performance indicators of satellite products, and took a series of effective measures in component selection, single machine stress screening, environmental test and high temperature aging test.
They eliminated early-failed products in components, exposed weak links and quality hidden dangers in advance, and took effective measures in time to improve the reliability of satellite products.
Especially on Fengyun1C satellite, the concept of power-on aging test for the whole satellite before leaving the factory is put forward for the first time, which provides a good reference for other satellites in the future.
Since Gao Huoshan took over as the commander-in-chief of Fengyun Satellite, he has not only inherited and carried forward the fine style of his predecessor, but also attached great importance to the quality management of components, taking this as a breakthrough to comprehensively improve the quality management level of satellite models, so that the quality of satellite components and other products has been greatly improved on the original basis.
High volcano, together with scientific and technical personnel, always aims at long life and high reliability in the development of Fengyun 1 satellite. In the design, all kinds of factors affecting the reliability of the satellite are fully analyzed, the weak links are found, and various reliability design methods are adopted to effectively improve the reliability of each system and single machine on the satellite.
Among them, the key point is to improve the reliability of the interface and eliminate the single point of failure of key components.
Therefore, scientific and technical personnel have taken a series of technical measures in the aspects of component quality, environmental pollution prevention, anti-radiation effect of space particles, electromagnetic compatibility and so on. And sufficient ground verification and reliability growth tests have been carried out, thus improving the life and reliability of the satellite.
"Fengyun 1" satellite was powered on and aged for the first time one month before leaving the factory, which played an important role in improving the quality of the satellite and ensuring that there were no problems when leaving the factory.
In the first week of the whole satellite aging test, the C satellite Fengyun 1 exposed two quality problems. If it is not eliminated in time, the satellite will not work normally.
High volcano, they put forward countermeasures in time, according to the requirements of "double five articles", and finally eliminated the fault and ensured the reliability of the satellite.
High volcano attaches great importance to bringing the wisdom of old scientific and technological personnel into play.
A few years ago, an old expert who has been working full-time for components for decades in a research institute of Shanghai Institute of Aerospace Technology retired. Gao Volcano has a good eye for treasures, so he was hired as the component quality administrator of Storm Knight satellite to help deal with the component quality problems and ensure the component quality.
This was not available in many satellite models of the Eighth Academy at that time. The old expert is conscientious, devoted to his duties, and has made contributions to improving the development quality of Fengyun satellite.
The scientific and technical personnel working with Gao Volcano said: "Gao Volcano's work style has' three realities', that is, simplicity, pragmatism and solidity."
In the years of developing storm knight satellite, Gaohuo, together with all scientific and technological personnel, has overcome one key technical problem after another. At the end of 2002, the development of storm knight satellite scheme was completed, and the prototype of storm knight satellite was completed in June 2005 and February 2005.
In this way, under the guidance of high volcano, China's "Storm Knight" satellite gradually took shape, getting closer and closer to the launch site.
12, May, 2008, 14: 28, Tian Hua, the filler of the first rocket propellant filling drill in Taiyuan Launch Center, was performing the Storm Knight mission with his colleagues. Suddenly, he felt that the whole world was shaking. He thought he felt something was wrong, and he was too nervous during the task drill to be careless, so he didn't think much.
The launch of "Storm Knight" meteorological satellite needs the full cooperation of rocket development units, satellite development units, meteorological users and the center, involving more than 2,000 majors and posts in five systems, including launch, measurement and control, communication, meteorology and service guarantee.
According to the procedure of "competing for posts" for satellite missions, all posts and professions should be based on the actual launch, and do a good job in targeted training and pre-war assessment of launch missions from strict to difficult to ensure the post quality of trainees.
According to the "double zeroing" standard of satellite launch technology and management problems, all professionals repeatedly carry out post self-inspection and professional mutual inspection, insisting on not missing a data, ignoring a doubt and not letting go of a hidden danger.
The weather at the launch site in May is changeable, and there are many hidden dangers in power supply safety. Liang Jianzhong, the person in charge of power supply specialty, led more than 20 backbones to fight continuously for 10 days, and comprehensively inspected more than 30 power supply lines to ensure smooth power supply lines.
In accordance with the requirements of "seamless connection" of various units, systems and specialties, the center went hand in hand and conducted joint debugging and testing for seven times in order to solve all problems and hidden dangers before the satellite entered the state of imminent launch.
On May 25th, all participating units were organized to carry out the first simulated launch, and all posts and specialties in the center achieved zero failure, zero hidden dangers and zero errors, and reached the requirement of "launching at any time at the command".
On the morning of May 27th, 2008, the weather in Taiyuan Satellite Launch Center on the Loess Plateau was bad and gloomy. A layer of yellow dust raised in the air enveloped the busy but orderly launch site, and from time to time several magpies chattered overhead.
Bathed in the pale yellow sunlight passing through the dust, the meteorological satellite Storm Knight and its carrier rocket Long March 4 C-Star Arrow combination stand high on the towering tower in the northwest Shanxi Plateau, leaning against the sky and ready to go.
"Storm Knight" satellite is equipped with 10 kinds of international advanced detection instruments, which can be used for global detection. Based on Fengyun 1, it has achieved a qualitative improvement and created a number of firsts:
The number of airborne payloads is the first. It is the first time for a domestic satellite to adopt a new satellite platform and carry 1 1 high-performance payload detector.
The number of single moving parts is the first. Its 20 single machines have 35 moving parts, which is the largest number of moving parts in domestic satellites.
Meteorological satellite observation function is the first. Its remote sensing instrument has a complete observation spectrum from vacuum ultraviolet ray, ultraviolet ray, visible ray, infrared ray to microwave frequency band, including optical remote sensing and microwave remote sensing, which can realize all-weather, all-day, multi-spectral, stereoscopic and quantitative detection, and is at the same development level as the new generation meteorological satellites in Europe and America.
Experts vividly said:
For example, Fengyun1d presents a black-and-white picture, while the picture presented by Storm Knight is not only color, but also three-dimensional.
"Storm Knight" satellite represents the development trend of Dangdang's highest level meteorological satellite.
Storm Knight satellite, together with Fengyun-2 C and D satellites in orbit at that time, provided accurate meteorological services for the Beijing Olympic Games.
Although the weather is bad, Taiyuan Satellite Launch Center has made full preparations, so this will not affect the launch at all.
One minute preparation time ...
Twenty seconds ...
5、4、3、2、 1
Ignition! Take off!
Beijing time 1 1: 02, with the command of commander zero of the launch site, the thick and magnificent rocket spewed a huge orange flame from the bottom, and the satellite boomed into the sky. ...
About 19 minutes after the launch of the rocket, the data from TT&C Center of Xi 'an Satellite showed that the meteorological satellite "Storm Knight" had successfully entered space and booked a sun-synchronous orbit.
After entering the scheduled orbit, the satellite will scan the world twice a day with a scanning width of 2900 kilometers. No matter day or night, it can form a three-dimensional color image more than 30 kilometers above the ground, and the weather forecast is extremely precise and accurate. It can not only provide high-quality meteorological services for the Beijing Olympic Games, but also make it possible for China to make mid-term digital weather forecast.