Novel linear motor driven by piezostack pump

TANG Ke-hong; KAN Jun-wu; PENG Tai-jiang; ZHU Guo-ren; GAO Jun-feng

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Novel linear motor driven by piezostack pump

Article | 更新时间：2020-08-12

- Novel linear motor driven by piezostack pump
- Optics and Precision Engineering Vol. 17, Issue 1, Pages: 145-150(2009)
- 作者机构：
  
  1. 吉林大学机械科学与工程学院,吉林长春,130025
  2. 深圳大学机电与控制工程学院,广东深圳 518060
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH38;TN384
- Received：15 March 2008，
  
  Revised：15 July 2008，
  
  Published：2009
- 稿件说明：
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唐可洪, 阚君武, 彭太江, 朱国仁, 高俊峰. 压电叠堆泵驱动的新型直线马达[J]. 光学精密工程, 2009,17(1): 145-150

TANG Ke-hong, KAN Jun-wu, PENG Tai-jiang, ZHU Guo-ren, GAO Jun-feng. Novel linear motor driven by piezostack pump[J]. Editorial Office of Optics and Precision Engineering, 2009,17(1): 145-150
唐可洪, 阚君武, 彭太江, 朱国仁, 高俊峰. 压电叠堆泵驱动的新型直线马达[J]. 光学精密工程, 2009,17(1): 145-150 DOI：

TANG Ke-hong, KAN Jun-wu, PENG Tai-jiang, ZHU Guo-ren, GAO Jun-feng. Novel linear motor driven by piezostack pump[J]. Editorial Office of Optics and Precision Engineering, 2009,17(1): 145-150 DOI：

摘要

提出一种利用压电叠堆泵驱动的新型直线马达(简称压电液压马达)

介绍了其系统构成及工作原理

并进行了理论及试验研究。理论分析结果表明

压电液压马达的性能是由压电振子／泵腔／截止阀／液压缸的结构尺寸、负载及工作频率等多种要素共同决定的

只有当相关要素合理配置时才能实现压电液压马达的预期功能。在其他参数确定的情况下

当负载为其最大驱动力的二分之一时输出功率和能量最大。利用尺寸为4 mm4 mm80 mm的压电叠堆制作了腔体直径为30 mm的压电泵

并对其直接输送流体及驱动液压缸时的流量、压力及功率等性能进行了测试与对比分析。结果表明

采用直径为15 mm的液压缸时

压电液压马达的最大速度、推力及功率分别为12.5 mm/s、32 N和93 mW。

Abstract

A novel linear hydraulic motor driven by piezostack pump (piezohydraulic motor) was presented

and its structure and working principle were introduced. With establishing the static-state model

the influence factors of the piezohydraulic motor were picked up and analyzed. The theoretic results show that the output capability of the piezohydraulic motor depends on the structure and size of the piezostack/pump-chamber/check-valve/cylinder

the driving frequency and even the external load. The desired performance of piezohydraulic motor will not be achieved unless the relative parameters are matched well. Moreover

when an applied load is equal to half of the blocking force

the maximal output power can be obtained. A piezostack pump with 30 mm chamber-diameter was fabricated using a piezostack in 4 mm4 mm80 mm

and the experiments on the unattached pump and the overall piezohydraulic motor were carried out for comparison on their flowrates

pressures and output powers. Analyzed results show that the maximal thrust

velocity and the power of the piezohydraulic motor are 32 N

12.5 mm/s and 93 mW

respectively

when a cylinder with chamber diameter of 15 mm are utilized.

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references

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