Excavation depth and crush process for an excavation-type demining robot

We have proposed a design of an excavation-type demining robot that rids land of mines efficiently and safely. This robot is, however, not all-powerful for all environments. The main target area for our robot is the place that becomes the farmland after demining. For example, the areas are plains or past farmland. In the dangerous area, the robot automatically takes in soil in which mines are laid. The entire soil surface, including mines, is crushed, separated and discharged. Therefore, the demining ratio is high; also, the soil becomes clean and cultivated. In this paper, the proper depth of the excavation and the crush process are discussed.