多工序生产过程中时间组织问题的图解优化模型

Graphic Method of the Multi-Step Production Process of Time Organizational Issues

产品在加工过程中往往无法在一台设备或工序上完成,在不同设备或工序之间移动的时候涉及移动方式的选择问题。流行的加工方式分别为顺序移动、平行移动和平行顺序移动等三种,各自的加工总时间的计算公式各不相同。研究并分析这些方法的不足,提出通过图解法求总生产周期、各工序生产周期、开始时间矩阵和结束时间矩阵等有用信息。通过实例计算证明PT图解法的可行性和有效性,并给出了便于用计算机实现的程序伪代码,为处理大批量数据提供了切实可行的方法 。

This paper begins with a brief introduction to the concept of moving the processed products in the process, and gives the current formula to calculate the total processing time. By analyzing the deficiencies of existing methods, a new graphical method is given, the total production cycle can be determined by the graphic method, the production cycle of each step, the start time matrix and end time matrix and more other useful information can be calculated at the same time, which has some significance in the decision-making process. Finally, an example shows the feasibility and effectiveness of the proposed method, and the pseudo-code easy to use computer-implemented program is given, which provides a practical method to handle large amounts of data.