The pyroprocessing operation-modelling is characterized as complicated batch type operation and tangled material flow logic, and handling many numbers of chemical elements. Discrete event system modeling was performed to build an integrated operation model, a simulation of which showed that a dynamic material flow was implemented. All data related to a dynamic material flow were recorded in database tables, and used for verification and validation in terms of material balance. Compared to equilibrium material balance, dynamic mass balance showed that the amount of material transported upstream and downstream in the unit process satisfied the mass balance equation at every batch operation. This study also showed that a dynamic material flow, which is a basic framework for an integrated pyroprocessing simulator, was well working. The integrated model built thus far will be improved in a few years toward an integrated simulator with safeguards assessment, technical feasibility, and economic feasibility modules.

This paper describes a design of a tactile sensor, which can measure three components forces. The bio-mimetic tactile sensor, alternative to human’s finger, is composed of 100 micro force sensors, and its size being 10 mm x 10 mm. Each micro force sensor has a square membrane, and its force capacity is 0.3 N in the three-axis directions. On the other hand, the measuring method of three-component force signals without interference was suggested in case of four strain gages and the number of minimum data lines. We have fabricated the tactile sensor using flexible MEMS technology based on polymer material.