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黎湛铁路动车组与货物车辆运行交会安全的研究 被引量:1
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作者 柯向喜 《铁道货运》 2017年第6期15-18,共4页
为保障动车组列车与装有散堆装货物车辆的列车运行交会安全,结合黎湛铁路根竹至玉林段动货混跑实例,分析黎湛铁路动车组与货物车辆运行交会目前存在的问题,即相关规章制度不完善、颗粒矿装载状态严重影响运行交会安全、货车状态不良问... 为保障动车组列车与装有散堆装货物车辆的列车运行交会安全,结合黎湛铁路根竹至玉林段动货混跑实例,分析黎湛铁路动车组与货物车辆运行交会目前存在的问题,即相关规章制度不完善、颗粒矿装载状态严重影响运行交会安全、货车状态不良问题突出和货运安全监控管理有待完善,提出完善规章制度、加强散堆装货物装卸源头控制、加强优质敞车使用、增加货运安全监控管理和开展动货列车交会动态试验等安全防范措施,为全路动货混跑货运安全管理提供参考实例和依据。 展开更多
关键词 铁路 动货共线 运行交会 散堆装货物 安全
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Run-to-run Optimization for Fed-batch Fermentation Process with Swarm Energy Conservation Particle Swarm Optimization Algorithm 被引量:7
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作者 王建林 薛尧予 +1 位作者 于涛 赵利强 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2010年第5期787-794,共8页
An iterative optimization strategy for fed-batch fermentation process is presented by combining a run-to-run optimization with swarm energy conservation particle swarm optimization (SEC-PSO). SEC-PSO, which is designe... An iterative optimization strategy for fed-batch fermentation process is presented by combining a run-to-run optimization with swarm energy conservation particle swarm optimization (SEC-PSO). SEC-PSO, which is designed with the concept of energy conservation, can solve the problem of premature convergence frequently appeared in standard PSO algorithm by partitioning its population into several sub-swarms according to the energy of the swarm and is used in the optimization strategy for parameter identification and operation condition optimization. The run-to-run optimization exploits the repetitive nature of fed-batch processes in order to deal with the optimal problems of fed-batch fermentation process with inaccurate process model and unsteady process state. The kinetic model parameters, used in the operation condition optimization of the next run, are adjusted by calculating time-series data obtained from real fed-batch process in the run-to-run optimization. The simulation results show that the strategy can adjust its kinetic model dynamically and overcome the instability of fed-batch process effectively. Run-to-run strategy with SEC-PSO provides an effective method for optimization of fed-batch fermentation process. 展开更多
关键词 run-to-run optimization fed-batch process particle swarm optimization swarm energy conservation particle swarm optimization
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