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A consideration on quantitative evaluation of machine responsiveness based on control engineering approach

A lot of Industrial equipments need operations. Equipments such as excavators and cranes are evaluated by sensory evaluations of the specific evaluator at the design stage. Designs and evaluations of operated equipments depend on subjective evaluations. However, subjective evaluations require the skill of evaluation or a lot of sample data. In this paper, a quantitative evaluation is considered about the responsiveness for the machine operation. Based on the control engineering approach, the system which needs the operation are approximated by the first order lag system. System parameters of the dead time and the time constant are considered as the numerical responsive evaluation for the operated machine like a excavator.