Wang Xu-ping

Taiyuan University of Technology

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Man Lu

University of Electronic Science and Technology of China

Liu Cheng-gang

Heilongjiang University of Chinese Medicine

Xiaomeng Li

Beijing Normal University

XU Xiaoqing

Taiyuan University of Technology

Yang Sheng-lin

Ministry of Education of the People's Republic of China

Xiaoli Li

Chinese Academy of Fishery Sciences

Boyan Li

Suzhou University of Science and Technology

Yang Sheng-lin

Shandong Institute of Food and Drug Inspection

Haseeb Yar Hiraj

Taiyuan University of Technology

Yang Xiaoian

Cooperative Institutions

Dalian University of Technology

Chinese Academy of Sciences

Taiyuan University of Technology

Shandong University

Sichuan University

University of Chinese Academy of Sciences

Zhejiang University

Shanghai Jiao Tong University

Nanjing University of Science and Technology

South China University of Technology

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Review on disruption management model and its algorithm

Systems Engineering - Theory & Practice (2008)

Wang Xu-ping

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Review and prospect of the emergency resource coordination under unconventional emergencies

Wang Xu-ping Chen Mingtian Dong Li

The coordination of emergency resources in the event of unconventional emergencies and large-scale disasters is of vital importance in emergency resource management. This paper discusses the main research content and the objective of resource coordination problem and to properly grasp the research trend, this study overviews and analyzes the research status of this field in detail through the identification of the resource coordination problem in literature that is mainly categorized into literature related to resource facility location problem, emergency resource allocation problem, and emergency resource scheduling problem. The formulation models are also summarized and the prospect for future research directions is finally addressed.

Limited resources

10.1109/icsssm.2011.5959505

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Advance on isolation and purification of xanthohumol from hops(Humulus lupulus L.)

Shipin yu Fajiao Gongye (2013)

Wang Xu-ping Xiaoli Li Lei Yang Yang Xiaoian Tao Li

Humulus lupulus

Xanthohumol

Isolation

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New High Performance Electro-hydraulic Proportional Valve and Its Performance

Journal of Mechanical Engineering (2020)

XU Xiaoqing Long Quan Wang Xu-ping

Abstract：Moving-iron proportional electromagnet is the mainstream electro-mechanical converter of electro-hydraulic proportional valve.Its electromagnetic force is not constant to the displacement of iron core.Constancing the force is one of the key jobs for researchers.And because of the existence of iron core, the coil inductance is very large, which is disadvantageous to improve the response speed of the circuit.In order to develop high-performance electro-hydraulic proportional valve / servo proportional valve, A high-performance moving coil proportional electromagnet has been developed based on the study of the moving coil proportional electromagnet and its related theories in the early study stage.A structural scheme of electro-hydraulic proportional valve composed of moving coil proportional electromagnet is proposed.The main performance of electro-hydraulic proportional valve based on the scheme is analyzed.The corresponding experimental research scheme of dynamic and static performance is proposed, and the structural scheme is studied with the test system.The research results show that the structural scheme of moving coil proportional valve that is developed has high dynamic and static performance.The proportional electromagnet has very strict constant force characteristics.The step response time of spool displacement to the 100% input signal is less than 15 ms in the open loop.The research results are beneficial to develop high performance electro-hydraulic servo proportional valve.

10.3901/jme.2020.04.233

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The static analysis of moving coil linear permanent magnet Oscillatory motor

Mechanical and Electrical Equipment (2006)

Wang Xu-ping

Based on describing the structure of the motor and the feature of the motor movement, this paper analyzes the air field and the static thrust characteristics by the finite element,and the curve of force vs.stroke is obtained by experiments.The analyses offer the theoretical basis for the design and the dynamic study.

Basis (linear algebra)

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Research on Emergency Logistics System and Its Emergent Response Mechanism

Wang Xu-ping

The characteristics, types of emergency logistics and their impacts on the design of emergency logistics system are analyzed, and the elements, characteristics and design principles of the system are also analyzed. The framework and emergent response mechanism of the system are put forward, including the aim, restrictions, supporting environments, four hierarchies of the framework, functions and feedback control mechanism of the system.

Emergency Response

Disaster Response

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Citations (16)

An Evaluation Model for Chinese Software Enterprises Based on CMM

Wang Xu-ping

As Chinese software enterprises face many problems of financing, technology and enterprise culture while assessing CMM, an evaluation model based on CMM and its assessing method for Chinese software enterprises are presented in this paper. Its economic benefits, practicality and suitability are indicated by applying this model in two software enterprises in Dalian city.

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Fusion Diagnosis of Feature Levels Based on Genetic Neural Network for Hydraulic Gear Pump

Machine Tool & Hydraulics (2013)

Wang Xu-ping

According to the limitations of BP neural network,an improved adaptive genetic neural network algorithm was proposed by introducing the adaptive genetic algorithm.This algorithm can increase the global searching capacity of BP network and avoid the local minimum of BP algorithm.The experimental results of hydraulic gear pump indicate that this algorithm can be applied to fusion diagnosis of feature levels with powerful pattern recognition ability.

Feature (linguistics)

Gear pump

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Research on Fault Simulation Methods of Hydraulic System

Machine Tool & Hydraulics (2009)

Wang Xu-ping

Based on the forms of hydraulic system fault and characteristic of the multifunctional hydraulic test stand.The simulation methods hydraulic system faults such as hydraulic pump abrasion,hydraulic cylinder leakage,hydraulic cylinder crawl,cavitation,pollution and the method of hydraulic system faults acceleration were researched.All faults were simulated on hydraulic test stand.

Telescopic cylinder

Leakage (economics)

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Citations (1)

A Modified Variable Neighborhood Search Algorithm for the Multi Depot Vehicle Routing Problem with Time Windows

Zhongguo guanli kexue (2011)

Wang Xu-ping

The Multi Depot Vehicle Routing Problem with Time Windows(MDVRPTW) is an important variant of the Vehicle Routing Problem(VRP),which is extremely complex and still not resolvedr well.To solve the problem,mathematical model of the MDVRPTW is constructed and a modified variable neighborhood search algorithm is proposed.In the algorithm,a clustering algorithm is utilized to allocate customers in the initial solution construction phase,a hybrid operator is applied in the local search phase to come up with a local optimal solution,a post optimization procedure is incorporated to further improve the best found solutions,the idea of simulated annealing is introduced to take control of the acceptance of new solutions.The performance of the proposed algorithm is tested on the benchmark instances proposed by Cordeau and compared with other algorithms in the literature.The results indicate that the proposed algorithm is effective in solving the MDVRPTW and showes some advantage both in stability and runtime.And finally most of the old optimal solutions are updated.

Vehicle Routing Problem

Benchmark (surveying)

Variable neighborhood search

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Citations (7)