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本文由理论上叙述了以钻进成本为准则的目标函数,其重要特点:一次、二次可微性,凸性,可行集;并在分析诸特点的基础上,提出了最优钻进措施的寻求部位和解题方法。 为了充分利用钻进目标函数这一数学概念,解决生产实际问题,提出了在现场条件下使用目标函数等值图的想法。文内分析了钻进成本等值面族在各个典型截面上的特点,并指明了其有意义部分所在。从实用角度出发,认为组合等值图是具有实际意义的,它可以说明每一种钻压转速配合下,所可能取得的最大经济效益,为各个矿区改进技术措施提供理论依据。
In this paper, the objective function which is based on the drilling cost is described theoretically. The important features of the objective function are primary and secondary differentiability, convexity and feasible set. Based on the analysis of various characteristics, the optimal drilling measures The search for parts and solutions to problems. In order to make full use of the mathematics concept of drilling objective function and solve the practical problems of production, the idea of using the objective function contour map under field conditions was put forward. In this paper, the characteristics of drilling surface cost equivalent family of facets on each typical cross section are analyzed and their meaningful parts are pointed out. From a practical point of view, the combination contour is considered to be of practical significance. It can explain the maximum economic benefit that can be achieved with the cooperation of each weight-press speed and provide a theoretical basis for improving technical measures in each mining area.