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第36届中国控制会议

作者： Chengxin Fan zhiqiang long Fengshan Dou College of Mechatronics Engineering and Automation National University of Defense Technology

ISBN: (纸本)9781538629185

Maglev train is a new type of green environmental protection urban rail *** security and reliability are the key issues which must be considered in the future *** this paper,the working principle of the braking system in maglev train is comprehensively *** analyzing the characteristics of the braking system,the fault tree（FT） is employed to establish the fault model of braking *** on this fault model,the potential source of risk is easily *** ranking the values of different importance,the weak links of the key components which lead to the failure of the braking system are *** score of each risk factor is obtained by weighted sum of the result of comprehensive risk *** results of probabilistic risk assessment provide an important basis of the subsequent fault diagnosis and maintenance:the resources can be effectively allocated to the main risk factors to optimize the maintenance decision for maglev train.

关键词： maglev train braking system probabilistic risk assessment fault tree

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Analysis and Research on performance parameters of contactless power supply system of medium speed maglev 32

Analysis and Research on performance parameters of contactle...

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第32届中国控制与决策会议

作者： JIANG Chenglong DAI Chunhui YANG Biao long zhiqiang National University of Defense Technology Harbin Institute of Technology

ISBN: (数字)9781728158556

ISBN: (纸本)9781728158563

Electric power transmission system is an important part of medium-speed maglev train. Contactless power supply is the general trend of maglev train energy supply system in the future. The maglev train will be more economical and easier to maintain after using contactless power supply system. In this paper, several system parameters affecting system performance in contactless power supply system are analyzed, and the influence of system parameters on system performance is judged from the simulation results. Finally, the importance of system parameters is arranged according to the simulation results

关键词： Contactless Power Supply Parameter Analysis System Simulation

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Research on signal processing problems based on particle filter for medium-speed maglev train location and speed detection system 36

Research on signal processing problems based on particle fil...

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第36届中国控制会议

作者： Lei Tan Dai Chunhui Guibin Luo zhiqiang long National University of Defense Technology Mechanical and Electrical Institute

ISBN: (纸本)9781538629185

Medium-speed maglev train location and speed detection system based on induction loop-cable works in the complex magnetic *** is vulnerable to the interference of suspended magnetic field,traction current and electric *** variation of the excitation coil’ height and the crosstalk between the signal lines will cause the distortion of the signal,which will affect the positioning precision of the *** particle filter has the ability to filter non Gauss noise,which is suitable for this *** results of simulation and experiment show that the particle filter has a good effect in the induction loop system,and can effectively filter out the strong magnetic interference component in the signal.

关键词： Maglev Train Particle filter Inductive loop Sensor

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Analysis of the Influence of Levitation Control Parameters on the Coupled Vibration of Medium and Low-Speed Maglev Train and Bridge

Analysis of the Influence of Levitation Control Parameters o...

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第43届中国控制会议

作者： Zhou Fei long zhiqiang College of Intelligence Science and Technology National University of Defense Technology

In recent years,medium and low-speed maglev transportation has developed rapidly in China,and in the engineering application of medium and low-speed maglev transportation,the coupling vibration between maglev vehicles and bridge has always been the focus and difficult problem restricting its promotion and *** from wheel-rail vehicles,the interaction between low and medium-speed maglev vehicles and the track is realized by the active and dynamically varying electromagnetic force provided by the suspension control *** this paper,the influence of the parameters of the levitation control system on the coupling vibration of the vehicle and the bridge is simulated and analyzed by establishing the coupling model of maglev vehicle-control system-bridge,so as to provide a reference for reducing the coupling vibration between the maglev vehicle and the track.

关键词： Medium and low speed maglev train Train-bridge coupling vibration Suspension control system

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防喷孔及气水渣动态分离一体化装置研究与应用

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煤炭技术 2025年第1期44卷 190-193页

作者：陈滔龙志强肖国圣王奇飞蒋文筠刘立梁王超湖南省瓦斯治理和利用工程研究中心有限公司长沙410007 湖南煤业股份有限公司长沙410004 黄牛岭矿业有限公司湖南郴州423000 平顶山市安泰华矿用安全设备制造有限公司河南平顶山467000

为解决煤矿井下施工钻孔过程中喷孔问题,使用传统防喷装置气水渣分离效率低,现场环境污染严重,水渣混合物转运不方便、运渣劳动强度大等问题,特设计出一种防喷孔及气水渣动态分离一体化装置,此装置包含孔口收集系统、气水渣分离系统、... 详细信息

为解决煤矿井下施工钻孔过程中喷孔问题,使用传统防喷装置气水渣分离效率低,现场环境污染严重,水渣混合物转运不方便、运渣劳动强度大等问题,特设计出一种防喷孔及气水渣动态分离一体化装置,此装置包含孔口收集系统、气水渣分离系统、防喷孔冗余系统、瓦斯抽采系统、煤岩渣运输系统,利用此5个系统分别完成喷孔防治、气水渣收集与分离、煤岩渣运输,实现环保、高效、经济的处理喷孔问题。并经煤矿井下现场试验与分析,表明了该装置具备使用成本低、操作简单、可靠性高、气水渣分离效果好、环境污染小等特点,取得了良好的应用效果。

关键词：防喷孔气水渣动态分离高效清渣

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维普期刊数据库

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Design of Model Reference Adaptive Controller for Active Guidance System of High Speed Maglev Train

Design of Model Reference Adaptive Controller for Active Gui...

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第32届中国控制与决策会议

作者： Bowen Li Xiaolong Li zhiqiang long College of Intelligence Science and Technology National University of Defense Technology

The electromagnetic suspension type high-speed maglev train guidance system is an unstable system and requires active *** the train passes the curve or is subjected to cross wind,the vehicle body will be greatly *** order to ensure that the guidance control system maintains good control performance,a model reference adaptive controller is ***,a model of a dual electromagnet guidance system was *** design of the current loop reduces the response delay of the electromagnet and reduces the order of the *** on Lyapunov stability theory,an adaptive mechanism is designed so that the gap state of the controlled object can follow the gap state of the reference *** results show that the system can maintain good control performance under different disturbance dynamics.

关键词： High speed maglev train Guidance system Model Reference Adaptive Controller

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Levitation Control of PEMS High Speed Maglev Train Considering the Coupling Effects Within a Joint Structure

Levitation Control of PEMS High Speed Maglev Train Consideri...

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第30届中国控制与决策会议

作者： zhiqiang Wang Cuicui Huang Xiaolong Li zhiqiang long Mingda Zhai School of mechatronics Engineering and Automation National University of Defense Technology

High speed maglev train is designed for long distance intercity transportation with a maximum speed of600 km/*** fundamental levitation component in a high speed maglev train is a joint structure which consist of two single-point levitation subsystems connected by a rigid levitation *** for ease of computation and analysis,researches are constrained on the the single-point levitation subsystem which neglect the mutual coupling of the two adjacent single-points in a joint *** improve the riding performance of high speed maglev train,first a model of the entire joint structure levitation system is *** a controller is designed based on classic LQR *** the end the performance of the decoupling controller is compared with the traditional controller via simulation.

关键词： High speed maglev Decoupling PEMS Joint Structure

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高速磁浮列车搭接结构悬浮系统仿真分析

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西南交通大学学报 2024年第3期59卷 590-599页

作者：王志强龙志强李晓龙国防科技大学智能科学学院湖南长沙410073

为模拟高速磁浮列车悬浮系统运动过程并分析不同条件下的系统响应,本文围绕悬浮系统建模、控制器设计和仿真分析展开研究.首先,介绍以搭接结构为基本单元的高速磁浮列车悬浮系统的基本结构与工作原理,通过机理分析方法构建理想情况下的... 详细信息

为模拟高速磁浮列车悬浮系统运动过程并分析不同条件下的系统响应,本文围绕悬浮系统建模、控制器设计和仿真分析展开研究.首先,介绍以搭接结构为基本单元的高速磁浮列车悬浮系统的基本结构与工作原理,通过机理分析方法构建理想情况下的悬浮系统数学模型;然后,对悬浮系统模型进行合理简化,并针对简化模型设计标称控制器;最后,仿真验证了标称控制器的控制效果,并对比分析仿真和实验条件下永磁电磁混合悬浮系统的起浮降落过程.研究结果表明:仿真得到的悬浮间隙、悬浮电流等物理量的变化情况与实际系统的变化趋势吻合,稳态时误差小于5%.

关键词：高速磁浮列车悬浮系统仿真分析

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维普期刊数据库

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Performance evaluation of medium and low speed electromagnetic suspension control system based on improved R index

Performance evaluation of medium and low speed electromagnet...

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第43届中国控制会议

作者： Xingyu Zhou Xiaolong Li Jiaxin Jiang zhiqiang long zhiqiang Wang College of Intelligence Science and Technology National University of Defense Technology

In this paper, the improved R index is introduced into the field of levitation control system performance evaluation,and the feasibility test of the data-driven control loop performance evaluation method is carried out based on the measured running data of medium and low speed maglev trains. The results show that the performance evaluation based on the improved R index can effectively evaluate the performance of the control loop of the electromagnetic suspension system, and it has the excellent characteristics of real-time monitoring and online evaluation compared with the traditional evaluation method.

关键词： Medium and low speed maglev train suspension control system performance evaluation data-driven approach

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基于漏检率的磁浮列车悬浮系统异常检测

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西南交通大学学报 2023年第4期58卷 903-912页

作者：周旭温韬龙志强国防科技大学智能科学学院湖南长沙410073

为实现中速磁浮列车悬浮系统的数据驱动异常检测,首先,引入基于参数化残差的异常检测方法;然后,针对当前悬浮系统的异常先验信息非常缺乏的问题,建立悬浮系统健康数据置信集和异常数据置信集,确定悬浮系统的异常检测评估函数与阈值;接着... 详细信息

为实现中速磁浮列车悬浮系统的数据驱动异常检测,首先,引入基于参数化残差的异常检测方法;然后,针对当前悬浮系统的异常先验信息非常缺乏的问题,建立悬浮系统健康数据置信集和异常数据置信集,确定悬浮系统的异常检测评估函数与阈值;接着,异常误报率固定时以最小化异常漏检率为设计目标,从数理角度设计满足该目标的最优参数向量,并以此构建基于最低漏检率的悬浮系统异常检测算法;最后,以长沙磁浮快线的悬浮系统运行数据为例,对悬浮系统的间隙突变异常、砸轨异常和加速度传感器异常进行分析和检测.结果表明,在异常误报率为5%时,所提出的方法能够实现3种典型异常的全部检测,不存在对3种异常的漏检和对正常数据段的误检,最大异常检测滞后0.2 s.

关键词：悬浮系统参数化残差异常检测最低漏检率.

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维普期刊数据库

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