23 Result(s)
within
Chunjie **ang
Engineering
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Chapter and Conference Paper
Optimal Design and Landing Simulation of an Asteroid Probe with Variable Stiffness Legs
Attachment mechanisms are used and usually firmly connected to the main body of the asteroid probe to maintain the attitude and ensure the following sampling work. However, the probe with rigid connections has...
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Article
Corrosion Resistance of N-(Hydroxymethyl)acrylamide Cross-Linked Nano-Graphene Oxide/Epoxy Resin Composite Coating on Magnesium Alloy
A new N-(hydroxymethyl)acrylamide (HAM) cross-linked graphene oxide (NGO) has been fabricated through in situ polymerization of HAM in nano-graphene oxide (GO) sheets in order to improve the dispersibility in ...
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Article
Open AccessA novel density-based clustering method for effective removal of spurious intersections in bearings-only localization
In bearings-only localization, clustering-based methods have been widely used to remove spurious intersections by fusing multiple bearing measurements from different observation stations. Existing clustering m...
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Chapter and Conference Paper
Accuracy Analysis of a Redundantly Actuated Parallel Mechanism Considering Passive Joint Clearances
This paper develops a geometric alternative to estimate the positioning and orientation errors of a 3-RSU-U parallel mechanism (PM). Clearances of the passive spherical and universal joints are considered. Fir...
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Chapter and Conference Paper
An Experimental Study on Extraction Method of Tobacco Color Distribution Feature
The color distribution of tobacco leaves is highly correlated with the grade purity of tobacco leaves, which is an important index for the sorting of primary flue-cured tobacco leaves. In this paper, the metho...
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Article
Accuracy analysis and error compensation for Tricept machine tool under load
This paper provides an efficient way to estimate the accuracy performance of the Tricept machine tool under load. Both joint clearances and link flexibility are considered. Clearances of the spherical joints a...
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Article
Two-dimensional Off-Grid DOA Estimation with Improved Three-Parallel Coprime Arrays on Moving Platform
In this paper, two-dimensional (2-D) direction-of-arrival (DOA) estimation issue is investigated by constructing array model on moving platform. Based on the moving array model, we propose two improved three-p...
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Chapter and Conference Paper
Image Recognition Based on Super-Resolution Wasserstein Generative Adversarial Nets with Gradient Penalty
Generative adversarial networks (GAN) are currently a hotly debated research topic in the field of machine vision; however, they possess various shortcomings that cannot be overlooked, such as unstable generat...
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Chapter and Conference Paper
A Pole Extraction Algorithm Based on Sliding Windowed Matrix Pencil Method
This paper proposes a pole extraction algorithm for robust radar target recognition based on Sliding Windowed Matrix Pencil Method (SW-MPM). The time domain scattering data of the target are windowed and the p...
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Article
Open AccessHierarchical Optimization of Landing Performance for Lander with Adaptive Landing Gear
A parameterized dynamics analysis model of legged lander with adaptive landing gear was established. Based on the analysis model, the landing performances under various landing conditions were analyzed by the ...
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Chapter and Conference Paper
The Control of Sensing Performance of CeO2-Sm2O3 Humidity Sensor
The humidity sensitive characteristics of CeO2-Sm2O3 sensor was evaluated in detail in the relative humidity range of 11–95% with various frequencies (20 Hz–100 kHz) under room temperature (25 °C), and compared w...
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Chapter and Conference Paper
Intelligent Water Environment Monitoring System
In recent years, water pollution in China has become a serious problem to be solved. The intelligent water environment monitoring device is designed to solve the problem of water quality information monitoring...
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Chapter and Conference Paper
An Analysis and Research of Network Log Based on Hadoop
With the rapid development of the internet technology, we have entered the era of big data, people product massive amount of data on the internet. Through the analysis and data mining of Web logs, we can dig o...
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Chapter and Conference Paper
Design of Self-balancing Vehicle System
Intelligent balancing two-wheeled vehicle system is designed to maintain balance and move automatic in the specified path. The balancing vehicle system adopts modular design idea, including MCU minimum system,...
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Chapter and Conference Paper
The Design of Intelligent Energy Consumption Acquisition System Based on Narrowband Internet of Things
This design develop an energy consumption acquisition system based on narrowband Internet of Things using stm32 series low-power microcontroller stm32f407 produced by STMicroelectronics [1]. The system consists o...
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Article
Accuracy analysis of a parallel positioning mechanism with actuation redundancy
A forward accuracy analysis method based on Lie-group theory and screw theory is proposed to analyze the pose error of parallel mechanisms with actuation redundancy. Both the input uncertainty and components s...
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Article
On the orthogonal similarity transformation (OST)-based sensitivity analysis method for robust topology optimization under loading uncertainty: a mathematical proof and its extension
The main purpose of this work is to provide a mathematical proof of our previously proposed orthogonal similarity transformation (OST)-based sensitivity analysis method (Zhao et al. Struct Multidisc Optim 50(3...
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Chapter and Conference Paper
Research on the Design Method of Lightweight Lattice Sandwich Structure for Additive Manufacturing
Three-dimensional lattice sandwich material has the dual role of function and structure, is considered to be light, one of the most promising ultra tough versatility of structural materials, especially metal a...
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Article
Dynamic response topology optimization in the time domain using model reduction method
The dynamic response topology optimization problems are usually computationally expensive, so it is necessary to employ the model reduction methods to reduce computational cost. This work will investigate the ...
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Article
Robust structural topology optimization under random field loading uncertainty
A new approach to solving the robust topology optimization problem considering random field loading uncertainty was developed. The Karhunen-Loeve expansion was employed to characterize the random field as a re...
