I Have a Little Black Hole

Because the moon has no atmosphere, parachutes cannot be used to decelerate. It can only be landed while using a variable thrust engine to reduce the speed. The difference between the landing of the four best detectors of Chang'e-3 is that the Infinite Gravity Group's Moon Palace Exploration Roadrunner '1 probe landed with more weight!

This makes the landing of the 'Moon Palace Pathfinder' 1 probe more stringent on the performance of the variable thrust engine, not only for greater thrust, but also for the accuracy of the engine's thrust variation!

Of course, it does not mean that a good variable thrust engine can ensure the smooth landing of the probe. This is a very systematic project, and there are many technologies involved.

The dynamic descent process of the probe is a process with a short time and a large speed change, which cannot be controlled by the ground in real time. In this regard, Infinite Gravity Group designed and customized a special guidance, navigation and control system with the help of the national Chang'e engineering and technical team.

Special sensors are designed for this guidance, navigation and control to conduct speed measurement, ranging and terrain recognition on the moon to ensure that the probe is autonomously guided, navigated and controlled in the landing segment.

The equipment used in this system includes inertial measurement units (IMUs) such as autonomous navigation, laser ranging sensors, microwave ranging sensors, microwave speed sensors, optical imaging sensors, laser 3D imaging sensors, and image data processing. Computers, horizontal maneuvering thrusters, etc.

The most important thing is to design a special obstacle avoidance program for this system, which includes the approach section, the hover section, the obstacle avoidance section and the slow descent section.

With the help of four moon-orbiting exploration satellites named 'Clover' by female scientists of the Deep Space Laboratory, the Infinite Gravity Group not only digested and absorbed the detailed satellite detection data of the moon brought by the National Chang'e Project , and further verified these data with the company's more advanced detection satellites.

The research team fully considered the impact of the physical and mechanical properties of the lunar soil on the impact and stability of the landing, as well as the physical and chemical properties of the lunar dust, and adopted special materials, designs and processes to develop a new landing buffer system to solve the above problems and ensure that the probe During the implementation of the soft landing, it will not overturn or fall within a certain attitude range, and provide firm support for the detector to work.

Scientific research is not tolerated at all. Even if everyone knows that the data provided by the National Lunar Exploration Project will not be a big problem, but the data provided by others and the data detected by themselves are two different things, the company's team of scientists still believes in themselves. Detected data!

Regarding this point, the experts sent by the National Lunar Exploration Project to the company to conduct cooperative research are not only not angry, but are particularly pleased and supportive, and at the same time they praise the scientific research of the Infinite Gravity Group. It is not unreasonable to make progress in such a short period of time. of.

Of course, what I admire more is the wealthy appearance of the Infinite Gravity Group. In order to save the time for data detection, 4 'Clover' orbiting satellites were launched at once, and the detection data came back every day. It is rumored that even they do not have a lot of data and information. After all, the detection satellite technology of the Infinite Gravity Group is a lot higher than the detection satellites they have launched before.

And this is also an important reason why the National Lunar Exploration Project is willing to cooperate with the Infinite Gravity Group. The scale of investment and technological transformation of the Infinite Gravity Group is too fast. If you don’t give help at the beginning, if you cooperate again later, the treatment will definitely be It's different.

With sufficient data support, the technical advantages of the Infinite Gravity Group were immediately demonstrated. The simulated landing test of the artificial intelligence system allowed the protest team to clearly grasp all possible accidents during the descending process.

These possible unexpected situations are preset in the control system to ensure that there will be no accidents during the entire lander's autonomous descent.

When the live video of the surveillance camera of the No. 1 probe of the Moon Palace Pathfinder is connected to the live connection, everyone knows that the most important moment is coming!

Switch to the autonomous landing system! With the commander's order, the landing officially began!

The entire 'Moon Palace Pathfinder' No. 1 probe started to enter the set landing program, and then started the ignition of the variable thrust engine under the autonomous control of the program!

In order to control the descending process of the detector more accurately, the number of variable thrust engines is subdivided into 12 engines, 8 of which are attitude control engines distributed in 4 diagonals, and the rest are the bottom ones. The main engine is 4, and the reason why there are so many is that the weight of the 'Moon Palace Pathfinder' No. 1 probe is too heavy!

Of course, even with such a large weight, with the engine technology of the Infinite Gravity Group, two main engines are enough, but if one engine or two engines are used, the engine of the probe fails during the landing process. , then its landing will fail, which represents the failure of the launch mission.

Because of the super high precision and super function of the variable thrust engine, it can only accurately perform a high-precision variable speed descent task. If it fails or is used again, some precision parts need to be replaced, but we Everyone knows that there is no way to perform such an operation on the moon, which is 380,000 kilometers away.

Therefore, the Deep Space Laboratory team that conducted the lunar exploration mission for the first time deeply understood the crazy design of the probe's backup system by its own boss, and designed two backup engines for the main landing engine, because the company's 'Giant' The carrying capacity of this recoverable rocket allows them to have sufficient design margins!

Of course, it does not mean that the design of the two spare engines is completely useless. After all the detection tasks of the probe are completed, it is possible to use these two engines to conduct an experiment, that is, the probe on the lunar surface. Lift-off test, technical verification for the next probe recovery mission!

After all, like the country's lunar exploration project, the third step of the Infinite Gravity Group's initial lunar exploration plan is to carry out the recovery operation of the detector, and such technical verification is also required.

At this time, two of the thrust-variable engines at the bottom of the screen began to spew blue flames, and the landing program began to let the probe begin to decelerate towards the pre-explored scheduled landing site, and the eight attitude adjustment engines also began to Under the control of the program, do point spray to adjust the attitude of the detector and aim at the landing point!