Mine rescue capsule is a typical emergency equipment in a coal mine.It provides a safe and confined space for miners when mining disasters occurred.The length of the passenger survival cell is suitable to be adjusted ...Mine rescue capsule is a typical emergency equipment in a coal mine.It provides a safe and confined space for miners when mining disasters occurred.The length of the passenger survival cell is suitable to be adjusted with several predefined modular cells according to various numbers of passengers.Aiming at the shortage of guidance rules for the modular combination design of mine rescue capsule,the configuration situations of survival cells are experimented with static and impact load analysis in ANSYS Workbench.The length range of a single cell,the combination schemes of miner survival section,and the effectiveness proof of assembled rescue capsules were solved sequentially by simulated load analysis on constructed structural models.The modular combination rules of the survival section are developed for variant passenger number ranging from 8 to 20.It also provides a reference for the optimal selection of rescue capsules with the same capacity.The proposed modular rules are effective for the rapid configuration design for mine rescue capsule driven by the number of passengers.展开更多
为提高矿井供电稳定性、确保煤矿的安全生产,阐述了无功补偿在矿井供电系统中的意义。以山东某矿井为例,分析当前供电系统现状,根据静止无功发生器(Static Var Generator,SVG)原理,确定SVG控制方法与装置容量。结果表明,SVG就地无功补...为提高矿井供电稳定性、确保煤矿的安全生产,阐述了无功补偿在矿井供电系统中的意义。以山东某矿井为例,分析当前供电系统现状,根据静止无功发生器(Static Var Generator,SVG)原理,确定SVG控制方法与装置容量。结果表明,SVG就地无功补偿能够显著降低谐波含量,稳定电网电压。综合矿井情况,建议矿井结合供电系统制订无功补偿方案,满足设备运行需求。展开更多
This paper is about the application of ANN (artificial neural networks) theory in evaluation of mine design schemes and a quantified evaluation method based on a three\|layer neural network is given. It studies the st...This paper is about the application of ANN (artificial neural networks) theory in evaluation of mine design schemes and a quantified evaluation method based on a three\|layer neural network is given. It studies the structure of the three\|layer neural network, its learning process, its operating algorithm to realize the evaluation of mine design schemes in a computer and a practical example is also involved in it.展开更多
基金National Natural Science Foundation of China(No.51475459)Fundamental Research Funds for the Central Universities of China(No.2017XKQY040)Priority Academic Program Development of Jiangsu Higher Education Institutions of China(No.PAPD)
文摘Mine rescue capsule is a typical emergency equipment in a coal mine.It provides a safe and confined space for miners when mining disasters occurred.The length of the passenger survival cell is suitable to be adjusted with several predefined modular cells according to various numbers of passengers.Aiming at the shortage of guidance rules for the modular combination design of mine rescue capsule,the configuration situations of survival cells are experimented with static and impact load analysis in ANSYS Workbench.The length range of a single cell,the combination schemes of miner survival section,and the effectiveness proof of assembled rescue capsules were solved sequentially by simulated load analysis on constructed structural models.The modular combination rules of the survival section are developed for variant passenger number ranging from 8 to 20.It also provides a reference for the optimal selection of rescue capsules with the same capacity.The proposed modular rules are effective for the rapid configuration design for mine rescue capsule driven by the number of passengers.
文摘为提高矿井供电稳定性、确保煤矿的安全生产,阐述了无功补偿在矿井供电系统中的意义。以山东某矿井为例,分析当前供电系统现状,根据静止无功发生器(Static Var Generator,SVG)原理,确定SVG控制方法与装置容量。结果表明,SVG就地无功补偿能够显著降低谐波含量,稳定电网电压。综合矿井情况,建议矿井结合供电系统制订无功补偿方案,满足设备运行需求。
文摘This paper is about the application of ANN (artificial neural networks) theory in evaluation of mine design schemes and a quantified evaluation method based on a three\|layer neural network is given. It studies the structure of the three\|layer neural network, its learning process, its operating algorithm to realize the evaluation of mine design schemes in a computer and a practical example is also involved in it.
