{"title":"Investigation of two concepts for piezo- electrically driven bistable hydraulic switching valves","authors":"Philipp Albrecht-Zagar, Rudolf Scheidl","doi":"10.1016/j.mechatronics.2024.103138","DOIUrl":null,"url":null,"abstract":"<div><p>This paper deals with the investigation of two actuation concepts for hydraulic switching valves which utilizes a piezo stack and a bistable mechanism. The goal of this work is to show concepts with which small and compact light-weight hydraulic valves can be designed and to pave the way for their integration in exoskeleton applications. The paper shows modeling and design aspects of a valve prototype and discusses measurements which were taken throughout the design process as well as final measurements of the valve’s switching behavior. Finally, possible improvements for robustness, miniaturization and increased dynamics are suggested.</p></div>","PeriodicalId":49842,"journal":{"name":"Mechatronics","volume":"98 ","pages":"Article 103138"},"PeriodicalIF":3.1000,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0957415824000035/pdfft?md5=472752ae577c740174b2a14e2ac9e7e6&pid=1-s2.0-S0957415824000035-main.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Mechatronics","FirstCategoryId":"94","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0957415824000035","RegionNum":3,"RegionCategory":"计算机科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"AUTOMATION & CONTROL SYSTEMS","Score":null,"Total":0}
引用次数: 0
Abstract
This paper deals with the investigation of two actuation concepts for hydraulic switching valves which utilizes a piezo stack and a bistable mechanism. The goal of this work is to show concepts with which small and compact light-weight hydraulic valves can be designed and to pave the way for their integration in exoskeleton applications. The paper shows modeling and design aspects of a valve prototype and discusses measurements which were taken throughout the design process as well as final measurements of the valve’s switching behavior. Finally, possible improvements for robustness, miniaturization and increased dynamics are suggested.
期刊介绍：
Mechatronics is the synergistic combination of precision mechanical engineering, electronic control and systems thinking in the design of products and manufacturing processes. It relates to the design of systems, devices and products aimed at achieving an optimal balance between basic mechanical structure and its overall control. The purpose of this journal is to provide rapid publication of topical papers featuring practical developments in mechatronics. It will cover a wide range of application areas including consumer product design, instrumentation, manufacturing methods, computer integration and process and device control, and will attract a readership from across the industrial and academic research spectrum. Particular importance will be attached to aspects of innovation in mechatronics design philosophy which illustrate the benefits obtainable by an a priori integration of functionality with embedded microprocessor control. A major item will be the design of machines, devices and systems possessing a degree of computer based intelligence. The journal seeks to publish research progress in this field with an emphasis on the applied rather than the theoretical. It will also serve the dual role of bringing greater recognition to this important area of engineering.
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