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Application of reconfigurabie machine tools in the capacity control of job shop systems

机译:可重构机床在车间系统容量控制中的应用

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摘要

In today's market, demand fluctuation is a big challenge for manufacturers. They have to respond quickly and flexibly to satisfy customers' demands to improve competitiveness. Moreover, it renders the production systems complex and dynamical. In this paper, we use capacity adjustment to deal with the fluctuation in demand. We derive an extended mathematical model of a typical job shop manufacturing system by introducing reconfigurable machine tools (RMTs) to analyse the impact of this new class of machine tools on the dynamic behaviour of the system. To improve the ability of capacity adjustment, we include the operations of RMTs into the classical proportional integral derivative (PID) controller. Simulation results of a four-workstation job shop system demonstrate the proposed method can adjust the capacity effectively and show the potential of RMTs in the context of Industry 4.0.
机译:在当今市场中,需求波动对制造商来说是一个巨大的挑战。他们必须快速灵活地做出响应,以满足客户提高竞争力的需求。而且,它使生产系统复杂而动态。在本文中,我们使用容量调整来应对需求波动。通过引入可重构机床(RMT)来分析这种新型机床对系统动态行为的影响,我们得出了典型车间制造系统的扩展数学模型。为了提高容量调整的能力,我们将RMT的操作包含在经典比例积分微分(PID)控制器中。四工作站车间系统的仿真结果表明,该方法可以有效地调整产能,并在工业4.0的背景下显示出RMT的潜力。

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