Explanipedia

Element-free rope pulley calculations: Advancing deployable skeleton performance optimization Open

Bin Xia, Hui Qiu, Zhuoran Huang, Bindi You, Cheng Wei · 2025

Objects in rope-driven multibody systems are controlled via embedded pulleys and ropes, and these systems are widely utilized in large deployable structures, aircraft interception systems, robots, cranes, and other mechanical systems. Howe…

Fast automatic docking control for electric tractors Open

Pengpeng Li, Yu Bai, Weihua Li, Bowen Chen, Bindi You , et al. · 2024

In this study, we investigate the automatic docking of an electric tractor with a semi-trailer in narrow and long-distance scenarios. We propose an automatic docking method based on a multi-sensor fusion high-precision positioning algorith…

Research on the Hobbing Processing Method of Marine Beveloid Gear Open

Jianmin Wen, Haoyu Yao, Hui Li, Bindi You · 2024

Due to the particular structure of the beveloid gear, it cannot be directly hobbed by an ordinary gear hobbing machine. The existing processing method is complex and has a high cost. Therefore, the mass production and industrialization of …

Research on the Hobbing Processing Method of Marine Beveloid Gear Open

Jianmin Wen, Haoyu Yao, Hui Li, Bindi You · 2023

Due to the particular structure of the beveloid gear, it can’t be hobbed directly by an ordinary gear hobbing machine. The existing processing method is complex and high-cost. Therefore, the mass production and industrialization of beveloi…

Research on Time-Varying Meshing Stiffness of Marine Beveloid Gear System Open

Jianmin Wen, Haoyu Yao, Qian Yan, Bindi You · 2023

Beveloid gears have the advantages of compensating for axial error, providing smooth transmission, and eliminating turning error. Therefore, they are widely used in applications that require high transmission accuracy and stability. Howeve…

Research on Nonlinear Vibration Characteristics of Internal Beveloid Gear Transmission System Open

Jianmin Wen, Chenqi Fu, Hong Zhang, Bindi You · 2023

The internal beveloid gear has good scientific research value and a broad application field. However, there is a lack of research on the nonlinear vibration characteristics of internal beveloid gears. The present study establishes a nonlin…

Research on Time-Varying Meshing Stiffness of Marine Bevoloid Gear System Open

Jianmin Wen, Haoyu Yao, Qian Yan, Bindi You · 2023

As a new type of gear, bevoloid gears have the advantages of compensating axial error, smooth transmission, and eliminating turning error, and they are widely used in applications requiring high transmission accuracy and stability. However…

Climbing Strategy of Variable Topology Cellular Space Robots Considering Configuration Optimization Open

Xiaomeng Liu, Bindi You, Rui Wang, Jianmin Wen, Dexiao An , et al. · 2023

In optimizing the energy consumption of a cellular space robot (CSR) climbing in orbit, traditional trajectory planning methods do not include the configuration as a decision variable; thus, it is difficult to obtain an effective energy-op…

An LEO Constellation Early Warning System Decision-Making Method Based on Hierarchical Reinforcement Learning Open

Yu Cheng, Cheng Wei, Shengxin Sun, Bindi You, Yang Zhao · 2023

The cooperative positioning problem of hypersonic vehicles regarding LEO constellations is the focus of this research study on space-based early warning systems. A hypersonic vehicle is highly maneuverable, and its trajectory is uncertain.…

Intention Prediction of a Hypersonic Glide Vehicle Using a Satellite Constellation Based on Deep Learning Open

Yu Cheng, Cheng Wei, Yongshang Wei, Bindi You, Yang Zhao · 2022

Tracking of hypersonic glide vehicles (HGVs) by a constellation tracking and observation system is an important part of the space-based early warning system. The uncertainty in the maneuver intentions of HGVs has a non-negligible impact on…

Deployment dynamics for flexible deployable primary mirror of space telescope with paraboloidal and laminated structure by using absolute node coordinate method Open

Bindi You, Liang Dong, Xiangjie Yu, Xiaolei Wen · 2020

A nonlinear dynamic modeling method for primary mirror of Flower-like Deployable Space Telescope (F-DST) undergoing large deployment motion is proposed in this paper. To ensure pointing accuracy and attitude stability of the paraboloidal p…

Spatial cellular robot in orbital truss collision-free path planning Open

Ye Dai, Zhaoxu Liu, Yunshan Qi, Hanbo Zhang, Bindi You , et al. · 2020

Aiming at the problem of moving path planning of a cellular robot on trusses in space station, a triangular prism truss is taken as the research object, and an optimized ant colony algorithm incorporating a gravitational search algorithm i…

Vibration Characteristics Analysis of Planetary Gears with a Multi-Clearance Coupling in Space Mechanism Open

Huibo Zhang, Chaoqun Qi, Jizhuang Fan, Shijie Dai, Bindi You · 2018

Multi-clearance is the main cause for the performance and reliability decline of complicated mechanical systems. The increased clearance could induce contacts and impacts in joints, and consequently affect control accuracy. A nonlinear dyn…

Dynamic positioning accuracy of dual-axis drive mechanism of satellite antenna with multi-clearance coupling Open

Chaoqun Qi, Huibo Zhang, Bindi You, Jizhuang Fan, Shijie Dai · 2018

The dual-axis drive mechanism of satellite antenna as a typical multi-joint aerospace mechanism consists of azimuth axis and pitch axis. The multi-clearance contained within those drive joint cause contact and impact in joint, and conseque…

Nonlinear coupled dynamics of planetary rover mast mechanism considering geometric non-linearity and laminated structure characteristics Open

Bindi You · 2018

The nonlinear dynamic response of the end of the planetary rover mast with laminated composite materials undergoing attitude adjustment motion, including displacement, velocity and acceleration data.

Coupling Dynamic Behavior Characteristics of a Spacecraft Beam with Composite Laminated Structures and Large-Scale Motions Open

Bindi You, Zhihui Gao, Jianmin Wen, Yiming Sun, Peibo Hao , et al. · 2018

A nonlinear dynamic modeling method for a spacecraft body composed of a laminated composite beam undergoing large rotation is proposed in this paper. To study the characteristics of a laminated composite beam attached to a spacecraft body …

Load Distribution Calculation of Flexible Ball Bearing with Elliptical Cam Wave Generator Open

Bindi You, Jianmin Wen · 2016

Flexible ball bearing is used as a component in wave generator of a harmonic drive gear system.During the revolution of the flexible bearing, the races of the bearing are subjected to elastic deformation by the shape of the elliptical cam.…

Analysis of Nonlinear Vibration Behavior of the Spacecraft Cable with Coupling Constraints Open

Bindi You, Jianmei Liu, Jianmin Wen, Binjiu Yang · 2015

In order to avoid the problem that cables are divorced from constraints during spacecraft launching, rules of nonlinear vibration behavior of laying cables need to be analyzed, so the common restriction condition of cables inside the space…

Heat-Structure Coupling Analysis of Harmonic Drive under Different Thermal Loading Open

Tongliang Liu, Bindi You, Peixiang Wang, Binjiu Yang, Lei Liu · 2015

Harmonic drive is a kind of new gear drives developed in the past decades, and it consists of flexspline, circular spline and wave generator.Due to thermal deformations and additional strains by the effects of temperature in harmonic drive…

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