A5057433196- Planetary Science and Exploration
- Spacecraft and Cryogenic Technologies
- Astro and Planetary Science
- Soil Mechanics and Vehicle Dynamics
- Granular flow and fluidized beds
- High-Velocity Impact and Material Behavior
- Drilling and Well Engineering
- Electromagnetic Launch and Propulsion Technology
- Scientific Research and Discoveries
- Space Exploration and Technology
- Advanced Surface Polishing Techniques
- Geotechnical Engineering and Soil Mechanics
- Isotope Analysis in Ecology
- Gear and Bearing Dynamics Analysis
- Arctic and Antarctic ice dynamics
- Mineral Processing and Grinding
- Geotechnical and Geomechanical Engineering
- Methane Hydrates and Related Phenomena
- Fluid Dynamics Simulations and Interactions
- Tribology and Wear Analysis
- Soil Moisture and Remote Sensing
- Energetic Materials and Combustion
- Machine Fault Diagnosis Techniques
- Laser Material Processing Techniques
- Belt Conveyor Systems Engineering
Harbin Institute of Technology
2013-2024
State Key Laboratory of Robotics and Systems
2024
Ningbo University
2024
China Academy of Space Technology
2022
Northwestern University
2018-2019
A new screw conveyor with flexible discrete spiral blades is proposed to solve the problem of particle material gathering between and tube wall in traditional conveyor. With a theoretical analysis, power consumption model built. Then, its practicability verified by simulation experimental testing. The results show that increase angle will raise transportation speed particles. diameter raises testing analysis results.
Some type of penetration into a subsurface is required in planetary sampling. Drilling and coring, due to its efficient penetrating cuttings removal characteristics, has been widely applied previous sampling missions. Given the complicated mechanical properties regolith, suitable drilling parameters should be matched with different formations properly. Otherwise, faults caused by overloads could easily happen. Hence, it necessary establish load model, which able reveal relationships among...
Drilling and coring, due to their efficient penetrating cutting removal characteristics, have been widely applied planetary sampling returning missions. In most autonomous drilling, there are not enough prior seismic surveys on sites' geological information. Sampling drills may encounter uncertain formations of significant differences in mechanical properties. Additionally, given limited orbital resources, a stuck fault under inappropriate drilling parameters. Hence, it is necessary develop...
Drilling and coring, as effective ways to obtain lunar regolith along the longitudinal direction, are widely applied in sampling field. Conventionally, modeling of drill-soil interaction was divided into soil cutting screw conveyance processes, ignoring differences mechanical properties between them. To improve accuracy, a hypothesis that divides four parts: cuttings conveyance, extruding, bulldozing, situ simulant cutting, is proposed establish novel model based on passive earth pressure...
The nitrogen isotopic compositions of lunar soil have important implications for the sources volatiles and even evolution moon. At present, research on is mainly based meteorites samples brought back by Apollo Luna missions. However, adsorbed surface may be lost due to changes in temperature pressure, as well vibration shock effects when sample returned. same time, case low N content sample, since main component earth’s atmosphere, it easily affected atmosphere during analysis process....
Martian rocks contain crucial information about the genesis of Mars and historical evolution climate change. Consequently, extracting examining are pivotal in advancing our comprehensive understanding red planet. However, current core drill string is prone to wear tear, samples susceptible thermal denaturation. To address these challenges, we introduce two novel types bits, conical straight junk slot spiral slot, both employing impregnated diamond as primary material. Comparative experiments...
Drilling & coring is considered as an effective way to acquire deep sample on the moon. Since lunar regolith environment in depth unknown, sampling drill should be developed adapt undetermined drilling medium Once mechanical system of robot was finished, control strategy a key realize high-efficiency process. composition complicated, it's not easy evaluate all physical parameters judge difficulty level. This paper proposes novel idea drillability which established rate penetration under...
China is endeavoring to implement the lunar exploration mission, namely Chang'e. In Phase III of project, aim focusing on acquiring soil sample and bringing them back earth. Due high efficiency drilling in granular substance, a coring device selected as sampling tool acquire along vertical direction. A novel flexible-tube method adopted design device. flexible tube mounted inside hollow auger wrap central into closed space. Two steps are included whole sample-acquiring process: coring. order...
The collection of lunar regolith with complete stratigraphic information is the key to analyzing evolution and composition moon. To keep each sample’s stratification for further analysis, a sampling method called flexible-tube coring has been adopted Chinses explorations. Given uncertain physical properties regolith, drilling force core lift should be adjusted immediately in piercing process. Otherwise, only small amount could sampled, overload faults occur correspondingly. Due fact that...
摘要: 嫦娥五号探测器通过表取和钻取的方式分别采集了表层和剖面月壤,并将月壤样品返回地球。月面钻进取芯过程的遥测数据直接反映了采样钻具与剖面月壤之间的相互作用状态,对其进行分析与解译能提高月面钻取采样任务的科学价值。基于嫦娥五号钻取采样装置的系统构成、工作原理和性能指标,从遥测数据中辨识出代表性钻进取芯工况。结合机-壤相互作用机理以及地面钻取采样试验数据,分析钻进取芯过程及其负载波动状态的月壤组构致因,并对全钻进剖面的月壤层序状态进行机理性解译。研究表明,嫦娥五号钻进点月壤剖面至少具有三个明显的层序结构,钻进剖面内存在着毫米级尺度月壤颗粒;钻取采样装置面对非确知月壤剖面已充分发挥其预定效能,并针对我国后续拟实施的星壤剖面采样探测技术做出了展望。