In the steelmaking and continuous casting （SMCC） production process, operation time delay may lead to casting break or processing conflict so that the initial scheduling plan becomes unrealizable. Existing research ...In the steelmaking and continuous casting （SMCC） production process, operation time delay may lead to casting break or processing conflict so that the initial scheduling plan becomes unrealizable. Existing research meth- ods are difficult to guarantee the accuracy of the model and successful application to actual applications. The resched- uling problem in response to operation time delay is firstly analyzed. This is then followed by the establishment of a novel multi-obiective nonlinear programming model （MONPM）. In specifications, a three-stage rescheduling method is proposed including the batches splitting （BS）, forward scheduling method （FSM） and backward scheduling meth- od （BSM）. As a result, the real-time application shows that the proposed rescheduling method efficiently ensures the continuous casting and dramatically shortens the redundant waiting time for molten steel in very short rescheduling time.展开更多
介绍了VC++环境下利用Pro/Toolkit的接口函数进行Pro/E二次开发的环境设置,论述了通过建立VC对话框实现压铸模CAPP(Computer Aided Process Plan)系统中压铸机选择的方法和代码,所生成的压铸机选择人机对话框为确定压铸工艺及设计模具...介绍了VC++环境下利用Pro/Toolkit的接口函数进行Pro/E二次开发的环境设置,论述了通过建立VC对话框实现压铸模CAPP(Computer Aided Process Plan)系统中压铸机选择的方法和代码,所生成的压铸机选择人机对话框为确定压铸工艺及设计模具提供快捷实用的参考。展开更多
基金Sponsored by National Basic Research Program of China(2009CB320601)National Natural Science Foundation of China(61104174,61174187)
文摘In the steelmaking and continuous casting （SMCC） production process, operation time delay may lead to casting break or processing conflict so that the initial scheduling plan becomes unrealizable. Existing research meth- ods are difficult to guarantee the accuracy of the model and successful application to actual applications. The resched- uling problem in response to operation time delay is firstly analyzed. This is then followed by the establishment of a novel multi-obiective nonlinear programming model （MONPM）. In specifications, a three-stage rescheduling method is proposed including the batches splitting （BS）, forward scheduling method （FSM） and backward scheduling meth- od （BSM）. As a result, the real-time application shows that the proposed rescheduling method efficiently ensures the continuous casting and dramatically shortens the redundant waiting time for molten steel in very short rescheduling time.
