关于工学结合教育若干问题的思考     

张继红  安大伟 《内蒙古电大学刊》2010,(6):92-92,100

分析了目前高职院校开展工学结合工作的困难,提出通过提高认识、狠抓管理、加强与企业合作,多途径开展工学结合教育,保证高职教育健康发展。  相似文献   

纳兰常安与《沈水三春集》     

安大伟 《兰台世界》2016,(19):98-102

《沈水三春集》是清代著名文学家纳兰常安,在乾隆四年至五年担任盛京兵部侍郎时期,所写就的一部关于盛京地区自然景观、人文风貌的诗文专著。古代文人学者记述东北地区社会文化、民风民俗的作品很少,且此文献是国家图书馆仅存的孤本,点校出版不久,弥足珍贵。从文献学角度出发,对作者生平、著述和文集体裁内容作以介绍,并探讨其对研究盛京地区各方面情状之价值。  相似文献   

Genetic optimization algorithm of PID decoupling control for VAV air-conditioning system   总被引：1，自引：0，他引：1  

王江江  安大伟  张春发  荆有印 《天津大学学报(英文版)》2009,15(4):308-314

Variable-air-volume (VAV) air-conditioning system is a multi-variable system and has multi coupling control loops. While all of the control loops are working together, they interfere and influence each other. A multivariable decoupling PID controller is designed for VAV air-conditioning system. Diagonal matrix decoupling method is employed to eliminate the coupling between the loop of supply air temperature and that of thermal-space air temperature. The PID controller parameters are optimized by means of an improved genetic algorithm in floating point representations to obtain better performance. The population in the improved genetic algorithm mutates before crossover, which is helpful for the convergence. Additionally the micro mutation algorithm is proposed and applied to improve the convergence during the later evolution. To search the best parameters, the optimized parameters ranges should be amplified 10 times the initial ideal parameters. The simulation and experiment results show that the decoupling control system is effective and feasible. The method can overcome the strong coupling feature of the system and has shorter governing time and less over-shoot than non-optimization PID control.  相似文献   

渤海大学图书馆藏本《辽左见闻录》勘误     

安大伟 《兰台世界》2017,(5):114-118

《辽左见闻录》是清康熙年间文士王一元在旅居沈阳时所写的见闻笔记,是研究清前期东北地方史的重要史料.流传过程中各个版本均有一些错误,目前所见校勘最精的本子是2012年沈阳文史研究馆刊本,本文以文史馆本为底本,对所见渤海大学所藏清抄本进行校勘,同时也发现文史馆本的几条错误.  相似文献