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时空道宇科技 Space Time Daoyu Technology – Zhejiang Spacetime Daoyu Technology Co., Ltd. Zhejiang Spacetime Daoyu Technology Co., Ltd. Geely GeeSpace is Located 10th Floor, Building 1, Xinglian Technology Park, No. 1535 Hongmei Road, Xuhui District, Shanghai Ultra Mega City, China, People’s Republic of China. .. Is a technology innovation enterprise strategically invested by Geely. Founded in 2018, it is committed to becoming a global leading AICT infrastructure and application solution provider. SpaceSpace is a technology innovation company under Geely Holding Group. It was founded in 2018 and is committed to becoming a global leading provider of aerospace information and communication infrastructure and application solutions. SpaceSpace is committed to promoting the commercialization and upgrading of China’s satellite industry chain and the commercialization and application of China’s aerospace technology.
SpaceTime Aerospace focuses on constellation business, satellite manufacturing, and satellite application fields, providing highly competitive, safe and reliable products and services. In the field of satellite manufacturing, through self-developed general-purpose satellite platforms of various scales, as well as low-cost, highly reliable satellites and supply chain products, one-stop in-orbit delivery from satellite development to satellite mass production AIT is achieved. In the field of satellite applications, SpaceTime Aerospace provides global medium- and low-speed satellite communication services, satellite-based high-precision positioning services, and satellite remote sensing AI services through future travel constellations and its own ground systems. It deeply integrates aerospace technology with automobile manufacturing, future travel, and artificial intelligence, and cooperates with ecological partners in an open manner to continuously create value for customers and build a new generation of aerospace digital economy.
Through the construction of the future travel constellation, Spacetime Daoyu will create a “future travel” ecosystem with full coverage, combining multi-dimensional carriers such as automobiles and consumer electronics products to empower smart travel, unmanned systems, smart cities and other fields, and create a future travel technology ecosystem.
Host: Mr. Wang, this satellite on the screen is your target, right?
Wang Yang: Yes. What we are doing is to send satellites into space and build a global low-orbit communication constellation. We are currently launching 72 satellites into a 600-kilometer low-altitude orbit. After these 72 satellites are deployed, they can provide satellite network signal coverage anywhere in the world except the North and South Poles.
Host: What is the difference between this low-orbit satellite and an ordinary satellite?
Wang Yang: For example, the live broadcast signals of the current Paris Olympics are generally transmitted via high-orbit satellites. From the surface of the earth, there is a geosynchronous orbit about 36,000 kilometers above the earth, and three high-orbit satellites can cover the entire surface of the earth. However, with the development of technology, we have found that satellites can play a greater role in the low-orbit area of 300 to more than 1,000 kilometers. For example, it may take 240 milliseconds of delay to communicate with a high-orbit satellite, but it only takes 20 milliseconds to communicate with a low-orbit satellite. The overall transmission efficiency and delay of a low-orbit satellite are even better than those of ground optical fibers. At the same time, it can cover places that our ground base stations cannot cover.
Host: Mr. Wang, you just said that three high-orbit satellites can cover the world, so is it necessary for us to build 72 (low-orbit satellites)?
Wang Yang: It is precisely because the cost of high-orbit satellites is too high. We need at least 1 billion RMB to build a high-orbit satellite, and its launch cost is also very expensive. If it is a low-orbit satellite, its price will drop by one or two orders of magnitude, and it is safer. The failure of any satellite will not affect the reliability of the entire communication. The capacity of low-orbit satellites will be larger and the speed will be faster. One of the problems we often encountered before is that the human ground network is so perfect, with optical fiber, base stations, and core networks. The ground network it has established can even provide network signals at the base camp in the Himalayas. But the real situation is that 94% of the world has no signal coverage. In the world, our understanding of the blue planet is still far from enough.
Host: Is it worth it for us to spend money to provide radio signals to places where there are not many people?
Wang Yang: This should be an inevitable trend. Humans will continue to expand the boundaries of space, such as conquering uninhabited areas, and even going beyond the Earth to travel to the stars. With satellites, whether our friends are in the desert, on the island farthest from the mainland, or even traveling in the future, our mobile phones, cars, and aircraft can all be connected to data everywhere.
Host: When will we be able to achieve the goal of launching 72 satellites?
Wang Yang: We should be able to complete the deployment of 72 satellites in about 12 months. (After the deployment of the third-orbit satellite is completed) we will provide commercial services to the world. In fact, we have reached a stage where applications are being put into practice.
Host: (Compared to the long cycle of other future industries) Yours only takes one year?
Wang Yang: Actually not. We have experienced 10 years of continuous entrepreneurship, and most of our team members have accumulated nearly 20 years of experience in the entire aerospace field.
Host: Do you have any longer-term goals?
Wang Yang: In the second phase, we will focus on the establishment of a low-orbit communication constellation of 300 satellites. The low-orbit space is already very crowded, with more than 6,000 Starlink satellites operating at 300 to 500 kilometers, so it is urgent to occupy the frequency and orbit positions in the entire space.
Host: We have the impression that artificial satellite technology is relatively mature. Are there any scientific shortcomings in your field that need to be addressed?
Wang Yang: In fact, aerospace itself is a system engineering, not a theoretical study. For example, the theoretical system of all the aircraft designs we are involved in now was very complete 100 years ago, and the current engineering cycle is just different.
Host: If you want to widen the gap with your peers, do you need to build a moat in certain areas?
Wang Yang: This is indeed necessary. We have established our own moat in the layout of the industrial chain of commercial aerospace and the commercialization of the landing. The landing of large-scale commercial applications has always been a difficulty in the development of commercial aerospace companies. We have taken the lead in achieving breakthroughs in this regard. I brought a self-developed satellite communication chip, which uses the industry-leading 22nm process. This chip is actually used in our current mobile phones. We have launched a constellation of low-orbit communication satellites for satellite communications. How do we use it on the ground and how do we demodulate our signals? We will implant this 4mm chip into existing mobile phones, and use the mobile phone antenna to transmit satellite data.
Host: It sounds like our goals are very ambitious. Can other industries or other supporting facilities keep up? Are they too advanced?
Wang Yang: I think what we are doing now is actually achievable based on China’s entire industrial foundation. Our team used to have many people from the national team, as well as some experts from the Chinese Academy of Sciences. At the beginning of the business, we repeatedly reminded ourselves that the probability of scientists dying in entrepreneurship is extremely high, and it may even be a disaster to some extent. Therefore, when we consider the entire business rhythm, it must be consistent with the underlying logic of commercialization.
Back to the information and communication industry, it is actually very clear. Since the beginning of 2000, the 3G era has come, and at that time we had mobile Internet. In the last decade, the 4G era came, and we have the current digital economy era. So what is this decade? We see China’s 5G and the United States’ Starlink. The information and communication industry will definitely be able to achieve full coverage from 5G to 6G, meeting all our human travel requirements from the surface to low altitude and then to space. Of course, I think 8G should be the era of interstellar immigration. We will have network signals all the way from here to Mars, and it will become a reality.
Moderator: Capital participation requires a valuation and calculation. Can you give us a calculation for the field you are engaged in? How much money do you think it will cost based on the future development potential and the technology we have invested in?
Wang Yang: We have invested billions in research and development in the past six years. In our industry, whether it is a rocket company, a satellite company, or now a more advanced constellation networking company, its valuation will definitely exceed 10 billion.
Host: Regarding policies, what kind of policy soil is needed to plan for future industries?
Wang Yang: Considering the characteristics of low-orbit communication constellations in commercial aerospace, I think we should encourage the globalization of China’s commercial aerospace in the foreign trade sector, that is, the “going global” of the entire technology products and services. We look forward to the introduction of some national standards in this regard. We used to study some Western industry-university-research behaviors. In China’s system, from districts, cities, provinces to the country, the entire industrial policy support and innovation encouragement for each industry are very complete, but in fact, the real technology will eventually fall on commercial realization. This should be the government holding the baton, and then through the market economy, that is, the role of leading enterprises, to drive the innovation of engineering and original technology. This is actually a logical cycle. If we only mention one end, this matter will definitely be biased.
Host: What will our lives be like when this field develops to a mature stage?
Wang Yang: Let me make a creative summary. I believe that humans will always have the need to communicate with the outside world in the social system, so the implementation of all technologies and engineering around human communication will continue to develop iteratively. Like what we are doing in aerospace now, no matter where humans are now or where humans will explore in the future, we will ensure that there is network connection and communication methods. This is my wish.
On the 21ST April 2024 in CNSA _China National Space Administration -China – People’s Republic of China 0745 hours Hong Kong –Beijing Time China- People’s Republic of China launch the Chang Zheng Long March 2-D carrier rocket successfully launched the Yaogan 42-02 satellite at the Xichang Satellite Launch Center Star, the launch mission was a complete success. The star arrows are all developed by the Shanghai Aerospace Technology Research Institute of China Aerospace Science and Technology Corporation
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The Chang Zheng Long March 2-D carrier rocket (CZ-2D) rocket is about 41 meters long (equipped with a standard fairing diameter of 3.35 meters), with a diameter of 3.35 meters for the first and second stages, a take-off mass of 250 tons, a take-off thrust of 302 tons, and a low-Earth orbit (LEO) ) transport capacity 4 tons. This rocket is equipped with a fairing with a diameter of 3.35 meters and adopts a new flight control algorithm, which further improves the reliability of the rocket flight.
The Chang Zheng – Long March 2D Carrier Rocket launch vehicle is a normal-temperature liquid two-stage launch vehicle with a take-off thrust of about 300 tons and a corresponding capacity of 1.3 tons in a 700-kilometer sun-synchronous circular orbit. It has single satellites and satellites in different orbits at the three satellite launch centers of Jiuquan, Taiyuan, and Xichang. Multi-satellite launch capability.
The Yaogan 42-02 satellite at the Xichang Satellite Launch Center Star, the launch mission was a complete success. The star arrows are all developed by the Shanghai Aerospace Technology Research Institute of China Aerospace Science and Technology Corporation.
Since the successful first flight from the Jiuquan Satellite Launch Center on August 9, 1992, the ” Chang Zheng Long March 2-D carrier rocket ” rocket has been successfully launched 89 times, continuing to set a record for consecutive successful launches of a single-type launch vehicle in China.
This launch is the 4th launch of the ” Chang Zheng Long March 2-D carrier rocket ” in 2024, the 6th launch from the Xichang Launch Site, the 17th launch in China, and the 76th launch in the world.
Beijing Zhongke Aerospace Exploration Technology Co., Ltd. is the first domestic aerospace enterprise with mixed ownership, and it is also the target enterprise that Oriental Aerospace Port focuses on introducing. Relying on the scientific research strength and resource advantages of the Institute of Mechanics of the Chinese Academy of Sciences and the Aerospace Flight Technology Center of the Chinese Academy of Sciences, China Aerospace Science and Technology has been committed to the research and development and integration of space technology and aerospace vehicles as a platform for the transformation of major national scientific research projects, as well as the transformation and provision of technological achievements. Aerospace launch service. The Lijian-1 rocket project also adds a brand-new name card to the Oriental Space Port, which will surely promote the construction of the Oriental Space Port to take a solid step forward.
At 12:03 Hong Kong SAR- Beijing Time today, the Zhongke Lijian-1 Yao Three commercial launch vehicle was launched from the Jiuquan Satellite Launch Center in China, People’s Republic of China. , carrying the Taijing-103 satellite and Taijing-202 satellite. Five satellites, including Xing/04, Taijing 3-02, and Taijing 4-03, were successfully put into predetermined orbits, and the flight test mission was a complete success. also deployed a Cup of Chinese instant Noodles among with the
Y1 looks at the rocket, Y2 looks at the ground, Y3 looks at the aesthetics, Lijian’s aesthetic is still online btw, today is a good day.
35 years ago today, the Asian satellite launch contract was signed, opening the door for China’s aerospace industry to enter the international commercial launch service market. I hope Lijian will open more launch doors in the future. In the Year of the Dragon, 120 years ago, Comrade Xiaoping was born. China finally opened the door to reform and opening up, and this door will open wider and wider. It’s the Jiachen Year of the Agricultural Year again. Lijian Happy Spring Festival and the “Auspicious Dragon” wish everyone a happy Spring Festival and auspicious New Year
深蓝航天 Deep Blue Limited – Deep Blue Aerospace One of sixty Chinese private space Carrier Rocket Companies in China-People’s Republic of China… As many of sixty plus Private Rocket Deep Blue Aerospace Co., Ltd. was established in 2017. The company is mainly a high-tech aerospace enterprise that focuses on the direction of liquid recovery and reusable launch vehicles and provides users with commercial launch services. Deep Blue Aerospace Co., Ltd. is headquartered in Nantong City, Jiangsu Province. At the same time, the company has rocket general and liquid engine R&D centers in Yizhuang, Beijing and Xi’an, Shaanxi, respectively, and a rocket power system test base in Tongchuan, Shaanxi…..
On December 1st 2023, the Blue Arrow Aerospace Zhuque Suzaku- 2 Yaosan liquid oxygen methane carrier rocket was successfully transferred to the launch area and is preparing to select an opportunity to carry out the launch mission in the near future. The launch is sponsored by PopMart ..
POP MART is a market-leading character-based entertainment company and a global champion of designer toy culture.
The world’s liquid oxygen methane rocket successfully entered orbit for the second time! Zhuque-2 takes the lead in entering the commercial launch stage
At 07:39 Hong Kong SAR- Beijing time on December 9th , 2023, the ” Suzaku -Zhuque-2″ Yao-3 carrier rocket carrying the three satellites “Honghu”, “Tianyi 33” and “Honghu-2” was ignited from the Jiuquan Satellite Launch Center Blue Arrow Space Launch Site Launched, the satellite was successfully placed into a sun-synchronous orbit (SSO) at an altitude of 460 kilometers.. Launching from酒泉卫星发射中心Jiuquan Satellite launch Center, Inner Mongolia, China, People’s Republic of China .
The “Honghu” satellite is a 50-kilogram-class space science experimental satellite independently developed by Tianyi Research Institute. It is mainly equipped with a comprehensive electronic load, a xenon Hall propulsion load, and a krypton Hall propulsion load. It will complete the Hall propulsion orbit control function and Performance verification, comprehensive electronic load device and switch life verification and other tasks. The “Tianyi 33” satellite is a 50-kilogram space science experimental satellite jointly developed by the Tianyi Research Institute and Hunan University of Science and Technology. It is equipped with a remote sensing camera module and a number of new technology payloads.
“Honghu 2” is an experimental satellite developed by Shanghai Blue Arrow Hongqing Technology Co., Ltd. for low-orbit satellite constellation networking. It is equipped with a Hall electric propulsion system (xenon and krypton), a satellite integrated electronic system, and a new solar array. Innovative technologies such as self-developed products, on-orbit verification of large-scale orbit changes of satellites, high computing power operations on satellites, and new solar technologies provide technical support for my country’s satellite constellation networking.
Honghu satellite is a 50kg space science experimental satellite independently developed by Tianyi Research Institute. The satellite is mainly equipped with a comprehensive electronic payload, a xenon Hall propulsion load, and a krypton Hall propulsion load developed by Shanghai Blue Arrow Hongqing Technology Co., Ltd. It will complete the Hall propulsion orbit control function and performance verification, comprehensive electronic payload devices and Tasks such as switch machine life verification. This launch will be the first time that my country has used xenon and krypton permanent magnet electric propulsion systems to achieve a cumulative 100-kilometer-level orbit control test. It also plans to complete nearly 3,000 hours of on-orbit ignition testing and a 10,000-time switch life of the Hall electric propulsion system. verify.
The Honghu satellite is also equipped with the “Xingcheng II” argon ion thruster developed by Xingcheng Huiyu (Beijing) Technology Co., Ltd.
The cost of this type of thruster is much lower than that of xenon and krypton. It is developed based on ion propulsion technology, with ionization and acceleration separated. The specific impulse can reach 1500s and the thrust adjustment range is large. At the same time, due to its integrated and centralized layout Designed for easier satellite installation and control. This type of thruster has high reliability and cost-effectiveness, and can be widely used in orbit control scenarios such as orbit entry, network attitude adjustment, and deorbiting of micro-satellites, which can significantly reduce the deployment cost of satellite constellations. This flight is the second on-orbit verification of this type of thruster. It mainly conducts on-orbit tests such as electromagnetic control, ignition, working and shutdown processes, and temperature measurement and control under long-term working conditions. It will provide support for the development and application of subsequent products. Provide technical support.
Tianyi 33 satellite is a 50kg space science experimental satellite jointly developed by Tianyi Research Institute and Hunan University of Science and Technology. The satellite is equipped with a remote sensing camera module and a number of new technology payloads, and for the first time adopts a number of Tianyi independent research and development platform technologies, which can provide more reliable temperature control, thermal protection and energy guarantee conditions for the normal on-orbit work of the payload. In particular, the satellite adopts newly developed thermal control technology to achieve precise temperature control of the satellite in the restricted space of space. The temperature control accuracy design value is better than 0.5°C. The temperature control energy consumption is expected to be reduced by more than 50%, and it can achieve high temperature Sensitive scientific research loads provide reliable environmental protection. At the same time, high-performance composite materials are also applied to the multiple layers of the Tianyi 33 satellite, which further improves the satellite’s radiation protection capabilities.
In terms of power supply, the Tianyi 33 satellite adopts the high-power long-term power supply technology independently developed by Tianyi for the first time, which enables the satellite to support the normal startup of high-current loads and meet the needs of uninterrupted on-orbit testing of the load. The Tianyi 33 satellite is also equipped with a scientific research load independently developed by Beijing University of Posts and Telecommunications based on the open source real-time dual-core operating system RROS as the underlying architecture and based on the Rust language. This load will complete general tasks represented by tensorflow/k8s and real-time tasks represented by real-time file system and real-time network transmission on the satellite, and ensure the normal execution of upper-layer applications and scientific research tasks, such as satellite-to-ground delay measurement, Live video broadcast, satellite-based web chat service, pseudo-ssh experiment, etc. This marks the world’s first dual-core operating system written in Rust to be officially applied in satellite scenarios. While taking into account versatility and real-time performance, RROS achieves high security and low power consumption, better adapts to satellite scenarios and supports the complex application requirements of satellite payloads, and provides operating system guarantees for the next generation of standardized and universal satellite platforms.
“ZhuQue-2” (ZhuQue-2) is a medium-sized two-stage dual-cryogenic liquid launch vehicle independently developed by Blue Arrow Aerospace Company. The first and second stages all use liquid oxygen methane engines. The rocket is equipped with four “Tianque-12” (TQ-12) engines in the first stage, with a single thrust of 658.5 kilonewtons (about 67 tons) at sea level and a sea level specific impulse of 286 seconds. The four “Tianque-12” engines are combined in parallel. The body code is “Tianque-13” (TQ-13); the secondary main engine is a “Tianque-12” (TQ-12) engine, with a vacuum thrust of 776.5 kN (about 79 tons) and a vacuum specific impulse of 350 seconds. , equipped with a swimming engine “Tianque-11”, using a four-combustion chamber design, a vacuum thrust of 80 kN (about 8.2 tons), a vacuum specific impulse of 333 seconds, a “Tianque-12” and a “Tianque-12” The Que-11 combination is codenamed “Tianque-16” (TQ-16).
TheZhuque Suzaku- 2 Yaosan liquid oxygen methane carrier rocket is 49.5 meters long, with a diameter of 3.35 meters for the first and second stages and a fairing. It has a take-off mass of 220 tons (not including payload), a take-off thrust of 268 tons, and a 500-kilometer sun-synchronous orbit (SSO) capacity of 1.5 tons. It is an improved version. The 500-kilometer sun-synchronous orbit capacity will be increased to 4 tons, which can meet the needs of satellite deployment and spacecraft launch in low-Earth orbit.
Zhuque Suzaku- 2 Yaosan liquid oxygen methane carrier rocket Yaosan is the third rocket of the first batch of “Suzaku-2”. The three test arrows fully verified the correctness and coordination of the overall and sub-system plans of the “Zhuque-2”, and accumulated flight samples and a good data basis for subsequent design improvements and reliability improvements of rocket and engine products. , laying a solid foundation for the development of the “Suzaku-3” reusable liquid oxygen methane launch vehicle. This launch is the world’s first official commercial launch of a liquid oxygen methane rocket.
This launch is the second launch of the “Suzaku-2” rocket in 2023, the 31st launch of the Jiuquan Satellite Launch Center, the 58th launch of China, and the 201st launch of the world.
