作者机构：
[陈磊; 王坚; 李晓华] School of Electronic Science and Engineering, Southeast University, Nanjing, China;[夏振平] College of Electronic and Information Engineering, Suzhou University of Science and Technology, Suzhou, China;[陈磊] School of Physics Science and Technology, Yangzhou University, Yangzhou, China
通讯机构：
School of Electronic Science and Engineering, Southeast University, Nanjing, China
期刊：
Computer Modelling and New Technologies,2014年18(10):462-467 ISSN：1407-5806
通讯作者：
Yuan, Fengwei
作者机构：
[Yuan, Fengwei; Zou, Jiazhu; Deng, Qian] College of Mechanical Engineering, University of South China, Hengyang, Hunan, China
摘要：
Due to the complex structure of nuclear facilities in a high irradiation environment, people are hard to approach it, In view of these situation a fault diagnosis method based on HMM (Hidden Markov Model) of capturing the audio signal while facilities are operating is proposed. With the strong modelling ability, HMM can be applied to analysing such as audio signal non-stationary time signal. By using this method, the original mechanical structures of nuclear facilities are not destroyed. The proposed sensors were needed as few as possible by the whole diagnosis system and which has a simple structure, low cost structure, the fault diagnosis rate is high and so on. State monitoring and fault diagnosis system of complex nuclear power equipment can timely and effective to provide running status and potential failure information for operating personnel, which has a vital significance for the safe and reliable operation of nuclear power equipment.
摘要：
研究在γ射线辐射剂量率为2 k Gy/h,不同辐照剂量下对液压油运动黏度、倾点、酸值等理化指标的影响。结果表明:辐照剂量对液压油的运动黏度影响比较小,随着辐照剂量的增加,液压油的运动黏度小幅增加;随着辐照剂量的增加液压油的倾点降低,即辐照使得液压油的低温流动性变得更好;辐照剂量对液压油的酸值影响较大,随着辐照剂量的增加液压油的酸值大幅增加;随着辐照剂量的增加,液压油的色度增大,透光率变差。
期刊：
MACHINERY ELECTRONICS AND CONTROL ENGINEERING III,2014年441:631-634 ISSN：1662-7482
通讯作者：
Liu, Yongxia
作者机构：
[Liu, Yongxia; He, Zhifeng; Yan, Liang; Zou, Shuliang] Univ South China, Sch Mech Engn, Hengyang, Peoples R China.
通讯机构：
[Liu, Yongxia] U;Univ South China, Sch Mech Engn, Hengyang, Peoples R China.
会议名称：
3rd International Conference on Machinery Electronics and Control Engineering (ICMECE 2013)
会议时间：
NOV 29-30, 2013
会议地点：
Jinan, PEOPLES R CHINA
会议主办单位：
[Liu, Yongxia;Zou, Shuliang;He, Zhifeng;Yan, Liang] Univ South China, Sch Mech Engn, Hengyang, Peoples R China.
会议论文集名称：
Applied Mechanics and Materials
关键词：
Nuclear Radiation;Manipulator;Modeling and Simulating;Structural Design
摘要：
By using modeling and simulation technology, motion simulation and structural analysis were carried out on hydraulic manipulator's structure working in the radiation environment. The results of motion simulation can test the manipulator's kinematics characteristic, and provide a basis for structural optimization design.Structural analysis could be used to validate manipulator's s tructure is able to withstand the movement of stress, strain or not. Manipulator's structure design can be properly improved by use of the structural analysis.
