外文翻译---利用基于计算机的测量系统对液压泵的参数进行选择的方法.docxVIP

附录三英文文献MEASUREMENT SCIENCE REVIEW, Volume 1, Number 1, 2001MEASUREMENTS OF SELECTED PARAMETERS OF A HYDRAULICPUMP BY MEANS OF A COMPUTER-BASED MEASURING SYSTEMTadeusz Zloto 1), Zygmunt Biernacki 2), Marek Kurkowski 2),1) Institute of Machine Technology and Production Automation,CzestochowaTechnical University,Al. Armii Krajowej 21, 42-200Czestochowa, Poland, e-mail:zloto@itm.pcz.czest.pl2) Institute of Electronics and Control Systems, CzestochowaTechnicalUniversity,Al. Armii Krajowej 17, 42-200 Czestochowa, Poland,e-mail: biernac@el.pcz.czest.pl , marekekb@poczta.onet.plAbstract: The basic characteristic parametersof the pump operation are presented. Theparameters are monitored by a computer-basedmeasuring system at a hydraulic stand. Thestructure of the measuring system and the constructionof the measuring converters applied inthe system are described.1 INTRODUCTIONDue to their important advantages, hydraulicdrives and controls are commonly applied ina number of fields of mechanical engineering.The still increasing demand for hydraulic drivesencourages research on new constructional solutionsintended to improve operatingparameters,efficiency and to lower production cost.Each hydrostatic system has adisplacementpump as a basic part. The pump changes mechanicalenergy into the energy of pressure ofa liquid operating agent. Then, the latter kind ofenergy is transmitted to ahydraulic engine whereit is changed back into mechanical energy.At present, it is axial multipiston pumpswhich are the most often applied in high-pressuresystems. The compact construction of multipistonpumps makes it possible to obtain higherefficiency per unit of volume. Because of that theweight of machines in which multipiston pumpsare used may be lighter. In many respects, suchas reliability, efficiency, energy saving andautomation of industrial processes, the requirementson pumps areincreasing. Intensive researchon the construction of pumps will certainlybring about new developments.2 CHARACTERI