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Improvement of motion accuracy and energy consumption for industrial feed drive systems using adaptive sliding mode control.
ISA Transactions ( IF 7.3 ) Pub Date : 2020-07-21 , DOI: 10.1016/j.isatra.2020.06.025
Abdallah Farrage 1 , Naoki Uchiyama 2
Affiliation  

Increasing of consumed energy is the dominating challenge in many industrial fields, especially in computer numerical controlled (CNC) machines. Therefore, reducing even a small amount of the consumed energy can lead to a significant reduction in the world’s energy consumption. Control techniques, which are used to manufacture industrial parts using higher controller gains can generally enhance motion accuracy of feed drive systems; however they increase the energy consumption. This paper proposes a new adaptive sliding mode control (ASMC), in which energy saving and motion accuracy of industrial machines can be effectively enhanced. The adaptation strategy allows control gains to be adaptively updated based on tracking performance. Once the resultant errors increase due to disturbance, the control gains are simultaneously modified to generate adequate control signals and achieve the precise track to the desired reference. The proposed adaptive gains can be flexibly changed during reaching and sliding phases, and therefore motion accuracy and energy reduction are improved. In order to confirm the effectiveness, the proposed adaptive law was compared with different adaptation approaches in several previous studies using a circular motion trajectory. Experimental results show a significant enhancement on the motion accuracy and energy saving for the feed drives.



中文翻译:

使用自适应滑模控制提高工业进给驱动系统的运动精度和能耗。

在许多工业领域,尤其是在计算机数控(CNC)机器中,消耗能量的增加是主要的挑战。因此,即使减少少量的消耗能量也可以导致世界能源消耗的显着减少。用于以更高的控制器增益制造工业零件的控制技术通常可以提高进给驱动系统的运动精度;但是它们增加了能耗。本文提出了一种新型的自适应滑模控制(ASMC),可以有效提高工业机械的节能和运动精度。自适应策略允许基于跟踪性能来自适应地更新控制增益。一旦由于干扰导致的错误增加,同时修改控制增益,以生成足够的控制信号并实现对所需参考的精确跟踪。可以在到达和滑动阶段灵活地更改建议的自适应增益,因此可以提高运动精度和降低能耗。为了确认有效性,在以前的一些研究中,使用圆周运动轨迹将拟议的自适应律与不同的自适应方法进行了比较。实验结果表明,进给驱动器的运动精度和节能显着提高。在先前的一些研究中,使用圆周运动轨迹将拟议的自适应律与不同的自适应方法进行了比较。实验结果表明,进给驱动器的运动精度和节能显着提高。在先前的一些研究中,使用圆周运动轨迹将拟议的自适应律与不同的自适应方法进行了比较。实验结果表明,进给驱动器的运动精度和节能显着提高。

更新日期:2020-07-21
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