230 results about "Lunar soil" patented technology

The invention belongs to the technical field of solar photo-thermal power generation, and discloses a tower type solar power generation system based on lunar soil particle moving bed heat exchange, which utilizes local materials of lunar soil to prepare solid heat storage particles as a heat transfer and heat storage medium, greatly reduces the mass and volume of the system and the cost and risk of transporting materials from the earth, and improves the energy efficiency. The efficient particle moving bed heat exchanger combining the particle receiver and the heat collector utilizes direct efficient contact heat exchange between solid particles and between the particles and a heat exchange working medium, has the characteristics of high heat exchange efficiency, small heat loss and compact structure, and is particularly suitable for space vacuum and microgravity environments; it is ensured that heat is reliably and stably transmitted to the Brayton cycle power generation system from concentrated solar energy, and power is generated through the Brayton cycle power generation system.

The invention discloses a transmission electron microscope sample preparation method for a lunar soil space weathered surface and application, and the method comprises the following steps: pasting target lunar soil particles on a carbon conductive adhesive tape, and enabling the target flat surfaces of the target lunar soil particles to be placed back to the carbon conductive adhesive tape; plating a layer of carbon film on the surface of the target lunar soil particle to obtain a scanning electron microscope sample of the target lunar soil particle; screening out a plurality of target research areas on the carbon film corresponding to the target flat surface; uniformly plating a layer of gold film on the carbon film corresponding to the target lunar soil particle scanning electron microscope sample; deposition operation of a research area protection layer is carried out on the gold film corresponding to the target research area through an electron beam and an ion beam in sequence; and performing slicing operation perpendicular to the target flat surface on the target lunar soil particle scanning electron microscope sample to obtain the target lunar soil particle transmission electron microscope sample. According to the method, lunar soil space weathering characteristics can be truly reserved, and an accurate and reliable sample is provided for lunar soil space weathering research.

The invention relates to the technical field of space exploration and lunar soil experiments, in particular to a melting centrifugal type mineral particle morphology remodeling device and a lunar soil glass ball preparation method. The device comprises a mineral protolith high-temperature melting system, a mineral melting slurry conveying system, a centrifugal mineral particle size control system and a mineral particle cooling and morphology remodeling system. The preparation method of the lunar soil glass ball comprises the following steps: adding basalt mineral powder and mineral melting additive powder into a melting centrifugal mineral particle morphology remodeling device to obtain simulated lunar soil glass balls with different particle sizes, and performing morphology transformation on the simulated lunar soil glass balls with different particle sizes by using an ion beam gun. And the lunar soil glass ball state of the impact melting history is reduced. According to the method, high-precision engineering mass production of components, morphology and mechanical properties of the lunar soil glass balls is realized through a fusion centrifugal forming and ion beam surface control composite process, and the problem of soil mechanical behavior deviation caused by morphology distortion of existing simulated lunar soil is solved.

The invention relates to an intelligent particle identification method for lunar soil particle screening, which comprises the following steps of: acquiring an optical signal, image data and a surface electrical signal of the same lunar soil sample particle to form a multi-modal feature set of each lunar soil sample particle; carrying out standardization processing on the multi-modal feature set; constructing a multi-modal deep learning neural network model based on a CNN + MLP + splicing fusion module structure; performing supervised learning training on the multi-modal deep learning neural network model to obtain a trained multi-modal deep learning neural network model; and inputting the standardized data into the trained multi-modal deep learning neural network model to realize particle classification. According to the method, an intelligent identification integrated deep learning model is adopted, the functions of particle shape distinguishing, component identification, particle size sorting and the like are carried out by utilizing an intelligent algorithm, automatic classification, clustering and attribute prediction can be realized, manual marking one by one is not needed, and the working efficiency is effectively improved.

The invention belongs to the technical field of lunar exploration equipment, and provides a step-by-step laser-assisted rock breaking drilling tool and method for a lunar-based extreme environment, the drilling tool comprises a conversion disc, a rock drilling tool and a laser head, the laser head and the rock drilling tool are integrated in the same drilling tool structure through the conversion disc, laser or mechanical rock breaking modes can be switched according to working conditions, and the laser or mechanical rock breaking modes can be switched according to the working conditions. And step-by-step rock breaking is realized. The drilling tool is suitable for extreme environments such as low gravity, vacuum, high dust and severe temperature change of the moon, has the advantages of being compact in structure, flexible in switching and high in energy utilization rate, and can be widely applied to tasks such as lunar soil stripping, lunar rock mining, underground structure detection and lunar base construction.

The invention discloses a method and device for preparing metallic iron and oxygen through electro-deposition of lunar soil in a three-electrode fused salt system, and belongs to the technical field of metallurgy. The device comprises a threaded pipe sealing structure, a gas inlet and outlet structure, a reaction cavity, a crucible, a reaction cavity sealing cover and a three-electrode potential control system. The method comprises the following steps: adding chloride molten salt, a cosolvent and lunar soil / simulated lunar soil into a crucible; raising the temperature to a drying temperature in a simulated moon atmosphere, and keeping the temperature to remove moisture; continuously raising the temperature to the electro-deposition temperature, so that iron-containing components in the lunar soil / simulated lunar soil are fully dissolved; a three-electrode system is adopted for electro-deposition, high-purity metal iron is obtained at a working electrode, and oxygen is efficiently separated out at an auxiliary electrode. The reduction potential is accurately regulated and controlled through a three-electrode system, and synchronous and efficient separation of metal iron and oxygen in lunar soil / simulated lunar soil is achieved.

The invention relates to a lunar-like soil simulant preparation method which comprises the following steps: determining preparation raw materials according to chemical element information of a lunar soil sample, and drying the preparation raw materials; according to particle size distribution data of the lunar soil sample, performing jet milling operation on the dried preparation raw materials; performing grading screening on the crushed particles to obtain particles with different particle sizes; and according to the grading curve and density data of the lunar soil sample, uniformly mixing the particles with various particle sizes in proportion to obtain the simulated sample. Compared with the prior art, the lunar-soil-like simulant prepared by the method can effectively retain original corner angles and structural characteristics of particles.

A method for inverting true mass content of water ice in lunar soil using a lunar soil water molecule analyzer (LSWMA) includes: obtaining weight data of a lunar soil sample, temperature data of a sample receiving container that receives the lunar soil sample, and duration of a transfer process of the lunar soil sample; obtaining measurement data of total pressure of the water vapor; calculating a sublimation loss based on a sublimation rate and the duration of the transfer process, and estimating a relative sublimation loss rate; correcting the measurement data of the total pressure of the water and obtaining true pressure data of the water vapor; and calculating, based on the true pressure data of the water vapor, mass of the water vapor, and further calculating mass content of water ice in lunar soil.

The invention relates to the technical field of lunar cabin section assembly and butt joint, and discloses a large-deformation flexible inflation channel for lunar cabin section assembly and butt joint, which comprises a sealed flexible channel and at least two groups of deformation control air bags, the two ends of the sealed flexible channel are respectively connected with a butt joint frame and a butt joint ring, and the deformation control air bags are arranged on the outer side of the sealed flexible channel; the deformation control air bag controls the overall pose and rigidity of the sealed flexible channel through inflation and deflation so as to compensate pose deviation between the butt joint cabin sections and balance internal loads generated by butt joint, the large-deformation flexible inflation channel is assembled on the lunar surface cabin sections in a butt joint mode, and the large-deformation flexible inflation channel can be folded and unfolded on the lunar surface in a lossless, efficient and repeated mode. Multiple properties such as wear resistance and puncture resistance and good air tightness are achieved, and multiple times of connection, separation and reconstruction of the cabin section can be achieved; the air bag can be controlled through deformation to balance the internal pressure load, prevent the cabin section from overturning and the like according to the posture change and the load; and the method also has high reliability and long-term service capability, and adapts to pose changes caused by lunar soil settlement.

The invention relates to a lunar soil microwave heating effect evaluation method. The method comprises the following steps: establishing a microwave cavity model enclosed by a metal boundary; calculating electric field distribution of the lunar soil according to the magnetic conductivity and the complex dielectric constant of the lunar soil; a plurality of sampling bodies are arranged in the target area, and microwave energy absorbed by each sampling body is calculated according to electric field distribution of lunar soil; determining the specific heat capacity of the lunar soil along with the temperature change, and calculating the temperature change rate in each sampling body according to the microwave energy; calculating the standard deviation and the average value of the temperature change rates of all the sampling bodies, and obtaining a variable coefficient along with the temperature change; and when the temperature of the lunar soil is balanced, judging the microwave heating uniformity of the lunar soil according to the variable coefficient. In the process of analyzing the lunar soil microwave heating effect, starting from the first principle, the characteristic that the specific heat capacity of the lunar soil changes along with the temperature is considered, the physical reality that the lunar soil absorption energy changes along with the temperature in the process of converting the lunar soil absorption energy into the temperature is fitted, and the accuracy of lunar soil microwave heating effect analysis is improved.

The application discloses a complex lunar surface scattering coefficient image simulation method and system based on multiple data jointing, and the method comprises the following steps: firstly, terrain camera data is used to acquire terrain height data of a special geological structure of the moon as model geometric information input; secondly, a lunar soil weathering layer electromagnetic scattering model is established by using a vector radiation transfer theory and a lunar surface stone double-component method to simulate the interaction between electromagnetic waves and lunar rocks, the lunar surface, weathering layer particles and the subsurface; finally, a radar imaging mechanism is simulated based on a mapping projection algorithm, the scattering coefficient on each scattering facet is calculated by using the electromagnetic scattering model, and the scattering coefficient is mapped to an imaging area by using a ray tracing method, a shadow judgment method and the like, so that the scattering echo of each region of the complex lunar surface is rapidly estimated, and the fast scattering coefficient image simulation is realized.

The present invention discloses a system for testing the transmission return accuracy of a drive mechanism for lunar soil and water ice detection, comprising a turntable, a fixing frame, a support seat, a reflector assembly, an autocollimator, a multi-dimensional adjustment table, a base plate, and a drive mechanism. The drive mechanism is mounted on the turntable via the support seat and the fixing frame, and the relative positions of the autocollimator and the reflector assembly are adjusted so that the optical axis of the autocollimator is perpendicular to the reflector. During testing, the turntable is rotated in the reverse direction to compensate for the angle of rotation of the drive mechanism in the forward direction, so that the reflected image of the autocollimator is always within the test field of view, thereby achieving the transmission return accuracy test of the drive mechanism. The system has a simple structure and convenient and effective testing, and can be used for the transmission return accuracy test of the drive mechanism for water ice detection in lunar soil water molecule analyzers.

This invention discloses an in-situ lunar regolith thermal energy storage and controllable utilization device, relating to the field of lunar surface thermal energy storage technology. The invention includes: a lunar regolith thermal storage body, formed by high-temperature melting of in-situ lunar regolith for storing thermal energy; a heat spreader plate, disposed on the lower surface of the lunar regolith thermal storage body, serving as a channel for energy exchange between the lunar regolith thermal storage body and the outside; and a heat expansion component, fixedly connected to the heat spreader plate, used to improve the heating efficiency of the lunar regolith thermal storage body during the heating process. This invention achieves efficient storage of solar energy and redundant electrical energy during lunar daytime by combining the lunar regolith thermal storage body with a high-efficiency heat expansion component, and achieves stable energy release and cascaded utilization through a controllable heat release component, thereby realizing peak shifting and valley filling of lunar surface energy in both time and space dimensions.

The invention discloses a design method of a high-integration PGNAA element detector for deep space exploration, aiming at the optimization design of a PGNAA device, each module assembly is designed and combined through a compact structure, a moderator structure of a conventional PGNAA element detector is removed, the function of a moderator is replaced by a detection sample, and the design of the high-integration PGNAA element detector for deep space exploration is realized. According to the invention, the quality factor Q is used as an optimization criterion, and the size of the neutron shielding body is optimized, so that the PGNAA element detector has the advantages of high integration, small size, good portability and the like, and can be mounted on a mechanical arm of the lunar vehicle to measure the type, content and distribution of lunar soil elements along with the movement of the lunar vehicle.

The application relates to the technical field of aerospace equipment, in particular to a stretchable release mechanism for separating a lunar soil penetration projectile communication antenna, which comprises a main body, the main body comprising a first mounting surface and a second mounting surface, the first mounting surface being arranged obliquely to the second mounting surface; an antenna oscillator arranged on the first mounting surface and provided with a locking ring for locking the antenna oscillator; a super-elastic conductive member sleeved on the second mounting surface; and a fuel line release mechanism arranged on the super-elastic conductive member, one end of the fuel line release mechanism being connected with the locking ring and the other end being connected with one end of the second mounting surface away from the first mounting surface. The arrangement of the fuel line release mechanism avoids the risk of failure of the stretchable release mechanism for separating the lunar soil penetration projectile communication antenna.

The invention discloses a remote high-depth-of-field LIBS self-focusing detection device for a lunar soil environment, and the device comprises a variable-curvature primary mirror which is provided with a central light through hole, and one side of the variable-curvature primary mirror is sequentially provided with a beam expanding assembly, a low-pass dichroscope, a focusing system, and a spectrometer; the multi-secondary-mirror zooming structure is arranged on the other side of the curvature-variable primary mirror; wherein the low-pass dichroscope corresponds to the transmitting end of the pulse laser; the variable-curvature primary mirror comprises a plurality of reflectors which are sequentially stacked from left to right, wherein the curvatures of the reflectors are sequentially increased. The multi-mirror zoom structure comprises a guide rail capable of rotating and axially moving; and the plurality of secondary mirrors with different curvature radiuses are sequentially arranged on the guide rail through the electronic clutch, and the secondary mirrors can diverge and reflect the light beams. According to the invention, the super-large depth of field with the axial depth of 1.5 cm is constructed by using the variable-curvature primary mirror, and the large-range coverage of the full life cycle area of the expanded plasma is realized.

This application discloses an integrated intelligent control system for heat storage and extraction used in a lunar base, relating to the field of energy and temperature control technology for lunar bases. The system includes: a linear Fresnel heat collection subsystem, a water-ice-sintered lunar soil composite heat storage subsystem, and a temperature control subsystem. The linear Fresnel heat collection subsystem collects solar energy and converts it into heat energy. The water-ice-sintered lunar soil composite heat storage subsystem stores and releases heat energy through a water-ice energy storage medium. The temperature control subsystem adjusts the heat collection state of the linear Fresnel heat collection subsystem and the heat extraction rate of the water-ice-sintered lunar soil composite heat storage subsystem according to the light intensity and cabin temperature, thereby maintaining the cabin temperature of the enclosed compartments in the lunar base within a preset temperature range. This application can achieve stable temperature maintenance of the living and working compartments for astronauts in the lunar base within a comfortable range, reduce dependence on Earth-Moon transportation, improve the system's economy and reliability, and ensure the feasibility of long-term stays in the lunar base.

The application discloses a kind of cementitious materials based on lunar soil calcination-quenching modification and its preparation method and application, belong to building material technical field.The cementitious material, by mass fraction, including 90~100 portions modified lunar soil powder, 1.5~8 portions alkali activator and 0.1~1 portions admixture;Wherein: modified lunar soil powder is prepared by vacuum calcination of lunar soil at 700~1500 ℃ temperature, then vacuum quenching at-20~‑50 ℃, crushing, grinding.The cementitious material is obtained by mixing and mixing uniformly by modified lunar soil powder, alkali activator and admixture.The application uses lunar soil as main raw material, only a small amount of alkali activator and admixture are needed to obtain high activity, high strength cementing system, which significantly reduces the amount of traditional curing agent such as cement, activator and other traditional curing agent from earth transportation, and the process is simple, which can be directly produced on the surface of the moon, suitable for in-situ construction engineering on the moon, greatly reduces transportation cost, and has wide application prospect.

The invention discloses a thermal performance analysis method for a protective layer of a lunar base and a protective layer structure. The method comprises the following steps: establishing a thermal balance equation including solar radiation, lunar internal heat, non-blackbody radiation and lunar albedo radiation; performing thermal analysis based on a heat transfer theory basic theory equation and a heat balance equation to obtain a thermodynamic micro-equation of the lunar surface and the protective layer; solving the obtained thermodynamic micro-equation to obtain temperature field distribution; determining the relationship between the lunar soil protective layer thickness and temperature fluctuation based on finite element analysis; and determining the thickness of the lunar soil protective layer based on the relationship between the thickness of the lunar soil protective layer and temperature fluctuation, and constructing the protective layer based on the determined thickness of the lunar soil protective layer. By adopting the method and the protective layer, the protective capability of the protective layer structure is improved.

The invention discloses an in-situ lunar soil microwave regular sintering device based on microwave heating, starting from the properties of lunar soil, since the lunar soil contains a high dielectric loss component with a considerable proportion, the lunar soil has high-efficiency absorption capability on microwaves, and the microwaves are utilized to realize high-efficiency heating and regular forming of the lunar soil. The penetrating type heating of the lunar soil is realized by adopting microwaves, the efficient temperature rise, melting and sintering of the lunar soil can be realized, and the device can adapt to the change of the particle size and component of the lunar soil at different sampling points and has practicability. A multi-mode resonant cavity heating system can greatly improve the electric field intensity in the lunar soil so as to efficiently heat the lunar soil, meanwhile, the capability utilization rate can be improved, and thousand-DEG C heating and melting of the lunar soil under hundred-watt-level power consumption are achieved. The medium mold is arranged in the heating cavity, the lunar soil heating uniformity is improved by constructing the preceding-stage homogenizing cavity, the non-silicon-based medium mold can achieve constrained shaping of lunar soil sintering and smooth demolding of the sintered body, then preparation of the regular lunar soil sintered body is achieved, and the requirement for large-scale preparation of building base materials of lunar station building is met.

The invention belongs to the technical field of forming equipment, and particularly relates to an additive-free lunar soil continuous forming device. The additive-free lunar soil continuous forming device comprises a box body, a double-shaft platform, a heat insulation ceramic plate, a heat insulation ceramic cylinder, an induction coil, a crucible, a plunger and a feeding pipe. The box body has an inner cavity. The double-shaft platform is installed in the inner cavity and located at the bottom of the box body. The heat insulation ceramic plate is installed on the double-shaft platform. The heat insulation ceramic cylinder is installed in the inner cavity. And the induction coil is wound on the peripheral surface of the heat insulation ceramic cylinder. The crucible is coaxially installed in the heat insulation ceramic cylinder, a nozzle is arranged at the bottom of the crucible, and the nozzle is located above the heat insulation ceramic plate and used for spraying lunar soil onto the heat insulation ceramic plate. One end of the plunger is slidably arranged in the crucible, and the other end extends out of the inner cavity. One end of the feeding pipe extends out of the inner cavity, and the other end is close to the top of the crucible; the embodiment of the invention provides an additive-free lunar soil continuous forming device which can facilitate lunar soil and can realize continuous forming of the lunar soil without an additional adhesive or additive.

The invention discloses a small vacuum low-temperature water loss calibration test system and a test method, relates to the field of aerospace, and solves the problem that the loss amount of water and ice in lunar soil cannot be measured in the lunar surface sampling process of a sampling device. A sampling device of the quantitative sampling unit is arranged in a vacuum tank; the low-temperature vacuum environment creating unit comprises a low-temperature environment creating unit and a vacuum environment creating unit; a hollow liquid nitrogen tank of the low-temperature environment creating unit is arranged in a vacuum tank, a lunar soil tank is arranged in the hollow liquid nitrogen tank, and a sampling device samples lunar soil in the lunar soil tank; the vacuum environment creating unit is communicated with the vacuum tank; the induction heating extraction unit is communicated with the vacuum tank, and the collected lunar soil is fed into the induction heating extraction unit to be heated. The lunar soil water-ice sampling task under different sampling regulations and environmental conditions can be completed, the water-ice loss amount in the sampling process under different sampling regulations and environmental conditions can be accurately marked, and the water-ice content in the lunar surface in-situ lunar soil can be accurately measured subsequently.

The application provides a parallel solar photo-thermal chemical coupling lunar surface resource utilization system and method, which mainly comprises a solar light condensing and heat collecting system, a solar light splitter, a thermal chemical reactor, a photochemical reactor, a lunar soil-based thermal chemical circulation oxygen carrier material, a lunar soil-based photochemical catalyst, a heat recovery regulation unit and a vacuum collector. The solar light condensing and heat collecting system and the solar light splitter converge the sunlight irradiated on the lunar surface and supply the sunlight to the thermal chemical reaction and the photochemical reaction, respectively. The high-temperature waste heat of the thermal chemical part is distributed by the heat recovery regulation unit, water decomposition for hydrogen and oxygen production and metal material acquisition are realized by using the lunar soil material, and lunar resource acquisition and efficient utilization are realized.

The present invention discloses a device for real-time monitoring and analysis of the lunar soil drilling process. The device comprises a drill rod having an inner and outer sandwich structure, comprising, from the inside out, a transparent layer, a micro-device mounting layer, and a rigid protective surface. The transparent layer houses a sampling chamber, which is equipped with a central piston and a central piston controller disposed at the top of the sampling chamber. The central piston controller is capable of controlling the upward and downward movement of the central piston within the sampling chamber. A sidewall image recognition sensor is mounted on the inner side of the micro-device mounting layer, and a top image recognition sensor is mounted within the sharp corner of the central piston. A foldable baffle is also provided at the bottom of the drill rod. The device can monitor the velocity field, displacement field, and stratigraphic information of the lunar soil particle flow in real time during lunar soil drilling, providing reference information for astronauts' drilling operations and thus guiding them in optimizing the sampling process in real time.

The invention discloses an autonomous control method for lunar soil water ice drilling and mining, which comprises the following steps of: judging modes in sequence: judging a drilling mode which should be used at present according to the states of a rotary motor and a feed motor; rotation adjustment, wherein the starting time and the rotation speed of a rotation motor are controlled based on the current drilling mode and the current drilling progress; feeding adjustment is conducted, specifically, based on the current drilling mode and the drilling progress, the starting time of a feeding motor is controlled, and the feeding speed is controlled according to the drilling pressure variance and the rotation torque variance; impact adjustment: when the drilling mode is judged to be the water-containing lunar soil breakthrough mode, the impact frequency is adjusted according to the feeding speed; and when the drilling mode is judged to be the drilling blocking mode, the drilling tool assembly is made to be separated from the drilling blocking mode. According to the invention, lunar water-ice sampling can be completed under the conditions of environment deep hypothermia characteristics, target high-fidelity sampling requirements and low counterforce constraints, and the water-ice drilling requirements of the polar region of the lunar are met.

The application discloses a high-solid-content simulated moon soil paste with excellent rheological and retention characteristics and a preparation method thereof. The high-solid-content simulated moon soil paste comprises a premixed liquid and a simulated moon soil powder, and the weight ratio of the premixed liquid to the simulated moon soil powder is 1:(78-82). The premixed liquid comprises 90-95 parts of photosensitive resin, 5-10 parts of wetting dispersant, 3-5 parts of water, 3-5 parts of defoaming agent and 1-5 parts of photoinitiator. The high-solid-content simulated moon soil paste is based on the emulsification principle of two mutually insoluble liquids, a certain proportion of aqueous solution is introduced, under the action of the wetting dispersant, the water and the resin interface form a directional molecular layer and are emulsified to reduce the surface tension, according to the Gibbs adsorption formula, the problem that the high solid phase is difficult to reduce the viscosity is better solved, and in combination with the SLA photocuring technology, the photocuring printing of the simulated moon soil paste with the solid content of 62vol% is realized.

The invention discloses a dynamic monitoring device for thermal vacuum bearing performance of a lunar soil forming part and a crack analysis method, relates to the technical field of aerospace engineering and defect detection, and solves the problems that detection equipment cannot simulate and adapt to lunar surface vacuum and high and low temperature environments, and is too large in size, low in integration level, single in detection index and small in number of objects detected at a time. The device comprises a rack system, a plurality of loading systems, a sample table system and a camera system, the loading systems and the sample table system are arranged in a vacuum tank of the rack system and connected with the rack system, a sample is placed on the sample table system, the loading systems load the sample, and the camera system monitors the sample loading process. According to the invention, the stress-strain and surface crack characteristics of the lunar soil brick are measured through uniaxial compression, so that high-throughput test evaluation of the lunar soil brick is realized; by simulating the high and low temperature environment of the lunar surface on the ground and measuring the mechanical and crack characteristics of the lunar soil brick under pressurization, the blank of mechanical test of the lunar soil brick by simulating the lunar surface environment on the ground is filled.

The invention discloses a manned lunar vehicle elastic wheel traction performance rapid evaluation method and device, and the method comprises the steps: building a virtual lunar soil model based on a discrete element method, and obtaining the ground mechanics parameters of the interaction of lunar soil and wheels through a virtual pressing plate test and a virtual shear test; on the basis of the terramechanics parameters and the wheel parameters, the wheel soil acting force is calculated through an improved semi-empirical model, so that the traction performance of the wheels is evaluated; solving a wheel soil contact parameter by adopting an iteration mode, and evaluating the traction performance of the wheel according to the calculated wheel soil acting force; wherein the improved semi-empirical model divides the contact area of the wheel and the lunar soil into an elastic contact area with elastic deformation and a rigid contact area without deformation, the wheel soil acting force in the two areas is calculated respectively, and the wheel structure parameters and the lunar soil parameters are analyzed in a simulation mode according to the wheel structure parameters and the lunar soil parameters. And the traction performance such as hook traction force, rolling resistance and rolling efficiency of the elastic wheel can be quickly calculated.

The invention provides a lunar surface drilling method based on a high-energy electron beam technology, which comprises the following steps of: adopting a high-energy electron beam as a non-contact heat knife, melting lunar soil in situ through annular or conical cutting, and condensing to form a high-strength vitrification lining internally packaged with a lunar soil sample; the high-strength vitrification lining is used as an in-situ generated vitrification sleeve to tightly wrap and solidify the lunar soil sample which is not influenced by heat inside to form a lunar soil sample monomer protected by the high-strength vitrification lining, so that in-situ packaging of the lunar soil sample is realized. The invention relates to a lunar surface drilling and in-situ packaging sampling method based on a high-energy electron beam technology, in particular to a method for drilling, sampling and melting hole forming on the surface of the moon by using the high-energy electron beam technology, which is suitable for scientific detection of the moon, in-situ resource utilization and base construction. And more technical means are provided for detection and exploitation of lunar mineral resources.

This invention relates to the field of extraterrestrial in-situ resource utilization technology, and particularly to a millimeter-wave vacuum lunar soil sintering apparatus and control method. The apparatus includes a vacuum chamber module, a sample support platform, a millimeter-wave feed module, and a densification monitoring module. The vacuum chamber module has a viewing window. The sample support platform is located inside the vacuum chamber, and its support portion is made of a transparent material. The output end of the millimeter-wave feed module faces the sample support platform. The densification monitoring module is located outside the vacuum chamber, and its acquisition end obtains the sample height change through the viewing window and the support portion. By real-time acquisition of temperature distribution, reflected power, and sample height change, the control module dynamically adjusts the millimeter-wave output power and sample spatial position, and determines the sintering endpoint based on the height change rate. This invention achieves synchronous monitoring and closed-loop control of the temperature field and densification state during vacuum millimeter-wave sintering, significantly improving the uniformity of lunar soil sintering and the consistency of product density.