电渣重熔过程中两相区的识别
The Identification of the Two-Phase Region in An Electro-Slag Remelting Process
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摘要: 本文利用热传导方程中参数识别方法,将电渣重熔过程中两相区的识别问题化为最优控 制问题来解决.根据脉冲变分原理,给出了识别参数的梯度公式及计算方法,最后的仿真结 果说明了该方法的可行性.Abstract: In this paper, a new method to determine the interface of molten metal and ingot in an electro-slag remelting process (ESR) is presented. This method is based on the principle of pulse variation given by References [1, 2]. And the identification problem is transferred into an optimal control problem. Examples are given to show the efficiency and feasibility of this method.
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Key words:
- Electro-slag remelting /
- two-phase region /
- identification /
- pulse variation
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