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The work discussed in this paper concerns automation of excavation or automation of loading particulate media by an excavating machine. Based on the analysis of the process, knowledge of the force of cutting/digging is required for feedback purposes. The lack of a reliable and well established model for the force in question dictates the primary work of the development of such a model. This interaction force is a function of a large number of parameters. Up to 32 parameters have been proposed. In addition to the large number of the parameters an analytical formulation of such a model is less likely possible, as can be seen from the past work. The complexity of the matter, therefore, calls for an empirical formulation, based on the results of experiments that must be carried out. This calls for a huge number of tests. It is important to reduce, as much as possible, the number of experiments to be performed. Also, if the material is categorized in a logical manner, various media can be prepared by mixtures of only a finite number of materials. The objective of the present paper is to define a generic function for the mathematical model and a plan for the tests that must be performed on soil type material. This leads to increased efficiency and helps to reduce duplications and unnecessary work before spending time on experiments. Based on this systematic approach the experiments can be arranged in a logical order, and the results can be later plugged in at their proper places.

Procedure Design for Experiments Towards Modeling of the Cutting Force in Excavation of Bulk Media