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首页> 外文期刊>The International Journal of Advanced Manufacturing Technology >The high response and high efficiency velocity control of a hydraulic injection molding machine using a variable rotational speed electro-hydraulic pump-controlled system
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The high response and high efficiency velocity control of a hydraulic injection molding machine using a variable rotational speed electro-hydraulic pump-controlled system

机译：使用变速电动液压泵控制系统的液压注塑机的高响应和高效速度控制

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摘要

High response and high efficiency velocity control of a hydraulic injection molding machine (HIMM) is requested especially for the process of high-tech industries, such as CD and DVD disks, plastic optical lens, light guide plates, etc. Instead of the hydraulic valve-controlled systems that have the problem of low energy efficiency but have been used widely in today’s HIMMs, the paper develops a high response and high energy efficiency electro-hydraulic pump-controlled system driven by a variable rotational speed AC servo motor for achieving high response and high efficiency velocity control in HIMMs. A constant displacement axial piston pump combined with the AC servo motor is developed in this research as the high response electro-hydraulic pump-controlled system for the HIMMs. For that, the control strategy, signed-distance fuzzy sliding mode control (SD-FSMC) is developed to simplify the fuzzy rule base through the sliding surface for practical applications. The developed high response variable rotational speed electro-hydraulic pump-controlled system controlled by SD-FSMC is implemented and verified experimentally for velocity control with various velocity targets and external loading conditions. Furthermore, the energy efficiencies of different experiments are analyzed and compared precisely by the power quality recorder used to measure the electrical power consumed by the AC servo motor.
机译：特别是对于CD和DVD光盘，塑料光学透镜，导光板等高科技行业的过程，要求对液压注塑机（HIMM）进行高响应和高效的速度控制。代替液压阀控制系统存在能源效率低的问题，但已在当今的HIMM中广泛使用，本文开发了一种高响应，高能效的电动液压泵控制系统，该系统由变速AC伺服电动机驱动，以实现高响应HIMM中的高效速度控制。在这项研究中，开发了一种与交流伺服电动机相结合的恒定排量轴向柱塞泵，作为用于HIMM的高响应电液泵控制系统。为此，针对实际应用，开发了控制策略有符号距离模糊滑模控制（SD-FSMC），以简化通过滑面的模糊规则库。由SD-FSMC控制的已开发的高响应可变转速电液泵控制系统已实现并通过实验验证了在各种速度目标和外部负载条件下的速度控制。此外，通过用于测量交流伺服电机所消耗电能的电能质量记录仪，可以精确地分析和比较不同实验的能效。

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