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大采深大倾角沿空回采工作面动态加架技术研究 被引量:1
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作者 董桂锋 高鹏 《山东煤炭科技》 2020年第5期128-130,133,共4页
阳城煤矿3303工作面呈梯形布置,采深-800^-985m,辅助轨顺为沿空巷道,围岩变形量大,推进过程中需在轨顺逐步增加正常液压支架及前后部溜槽。3303工作面动态加设支架方案研究,对减少顶板事故、提高资源回收率、缩短加架时间具有重要意义,... 阳城煤矿3303工作面呈梯形布置,采深-800^-985m,辅助轨顺为沿空巷道,围岩变形量大,推进过程中需在轨顺逐步增加正常液压支架及前后部溜槽。3303工作面动态加设支架方案研究,对减少顶板事故、提高资源回收率、缩短加架时间具有重要意义,为下一步回采类似工作面提供科学依据及技术保证。 展开更多
关键词 沿空巷道 大采深 动态加架 液压支
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Multi-objective integrated optimization based on evolutionary strategy with a dynamic weighting schedule 被引量:2
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作者 傅武军 朱昌明 叶庆泰 《Journal of Southeast University(English Edition)》 EI CAS 2006年第2期204-207,共4页
The evolutionary strategy with a dynamic weighting schedule is proposed to find all the compromised solutions of the multi-objective integrated structure and control optimization problem, where the optimal system perf... The evolutionary strategy with a dynamic weighting schedule is proposed to find all the compromised solutions of the multi-objective integrated structure and control optimization problem, where the optimal system performance and control cost are defined by H2 or H∞ norms. During this optimization process, the weights are varying with the increasing generation instead of fixed values. The proposed strategy together with the linear matrix inequality (LMI) or the Riccati controller design method can find a series of uniformly distributed nondominated solutions in a single run. Therefore, this method can greatly reduce the computation intensity of the integrated optimization problem compared with the weight-based single objective genetic algorithm. Active automotive suspension is adopted as an example to illustrate the effectiveness of the proposed method. 展开更多
关键词 integrated design multi-objective optimization evolutionary strategy dynamic weighting schedule suspension system
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