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In the present contribution, a scheme to solve transient cost-related optimization problem of dynamic transient procedure for copper flash smelting process is investigated. Taking the actual copper flash smelting process at a Smelter in China as the research object, the transient costrelated optimization problem is presented by integrating transient time, transient resources consumption and the state fluctuation constraint. Then, it was considered as the operational parameters trajectories optimization problem that generates minimum-time and minimum-resources consumption during dynamic transient procedure. The dynamic relationship and the working state fluctuation are constructed in the form of constraints in the resulting optimization problem formulation. The Legendre Pseudospectral method is used to solve the constrained, nonlinear optimization problem. The results of numerical experiments of dynamic transient procedure for copper flash smelting process are given to illustrate the proposed scheme. © 2013 The Japan Institute of Metals.

Solving the Transient Cost-Related Optimization Problem for Copper Flash Smelting Process with Legendre Pseudospectral Method