{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T20:40:48Z","timestamp":1777927248351,"version":"3.51.4"},"reference-count":20,"publisher":"SAGE Publications","issue":"8","license":[{"start":{"date-parts":[[2019,11,5]],"date-time":"2019-11-05T00:00:00Z","timestamp":1572912000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"Shanxi Province special fund to promote the implementation of patent promotion","award":["20171006"],"award-info":[{"award-number":["20171006"]}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["51875381"],"award-info":[{"award-number":["51875381"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Youth Science Foundation of China","doi-asserted-by":"crossref","award":["51605322"],"award-info":[{"award-number":["51605322"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering"],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:p>Hydraulic systems are widely used in construction machinery and equipment. However, the energy efficiency of hydraulic system is low. In many cases, hydraulic systems output energy to lift the working device. During the lowering process, the potential energy is commonly wasted through the throttling loss of the control valve. Recovering the potential energy is an efficient way to improve the hydraulic system efficiency. In this article, theoretical analysis, simulation calculation, and experimental verification were used to study the energy recovery efficiency of a differential cylinder system controlled by variable displacement asymmetric axial piston pump. Meanwhile, the influence of the load, motor speed, variable displacement asymmetric axial piston pump swashplate angle, accumulator pressure and capacity, and other key parameters on the potential energy recovery efficiency and system performance was analyzed. The results show that the system energy consumption can be reduced effectively by using the potential energy recovery system. When the load, motor speed, pre-charge pressure and capacity of the accumulator, and swashplate angle are 440 kg, 1000 r\/min, 2.5 MPa, 1.6 L, and \u00b15\u00b0, respectively, the system\u2019s energy-saving effect can be up to 39.25%. Considering that only the vertical motion of the differential cylinder controlled by variable displacement asymmetric axial piston pump was analyzed, in future work, the corresponding parameter optimization and control strategy will be carried out to obtain good energy recovery effect, and the influence of accumulator pre-charge pressure on the energy-saving effect will be conducted.<\/jats:p>","DOI":"10.1177\/0959651819885208","type":"journal-article","created":{"date-parts":[[2019,11,5]],"date-time":"2019-11-05T07:29:18Z","timestamp":1572938958000},"page":"875-887","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":3,"title":["Potential energy recovery scheme with variable displacement asymmetric axial piston pump"],"prefix":"10.1177","volume":"234","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2483-411X","authenticated-orcid":false,"given":"Aihong","family":"Wang","sequence":"first","affiliation":[{"name":"School of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhenfeng","family":"Lv","sequence":"additional","affiliation":[{"name":"School of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6693-1647","authenticated-orcid":false,"given":"Youshan","family":"Gao","sequence":"additional","affiliation":[{"name":"School of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan, China"},{"name":"Key Laboratory of Advance Transducers and Intelligent Control System, Ministry of Education, School of Mechanical Engineering, Taiyuan University of Technology, Taiyuan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Long","family":"Quan","sequence":"additional","affiliation":[{"name":"Key Laboratory of Advance Transducers and Intelligent Control System, Ministry of Education, School of Mechanical Engineering, Taiyuan University of Technology, Taiyuan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8042-2155","authenticated-orcid":false,"given":"Jiahai","family":"Huang","sequence":"additional","affiliation":[{"name":"Key Laboratory of Advance Transducers and Intelligent Control System, Ministry of Education, School of Mechanical Engineering, Taiyuan University of Technology, Taiyuan, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2019,11,5]]},"reference":[{"key":"bibr1-0959651819885208","unstructured":"Stelson KA. Saving the world\u2019s energy with fluid power. In: Proceedings of the 8th JFPS international symposium on fluid power, Okinawa, Japan, 25\u201328 October 2011, pp. S-1, http:\/\/jfps.or.jp\/souko\/proceedings\/okinawa2011\/pdf\/S-1.pdf"},{"key":"bibr2-0959651819885208","doi-asserted-by":"publisher","DOI":"10.3390\/en9121002"},{"key":"bibr3-0959651819885208","unstructured":"Joo C, Stangl M. Application of power regenerative boom system to excavator. In: Proceedings of the 10th international fluid power conference, Dresden, 8\u201310 March 2016, pp. 175\u2013184, http:\/\/tud.qucosa.de\/api\/qucosa%3A29389\/attachment\/ATT-0\/"},{"key":"bibr4-0959651819885208","unstructured":"Dumont T. Energy on demand and its recovery (Mobile 2012, Hydraulic Hybrid Solutions, pp. 132\u2013143), https:\/\/topslide.net\/view-doc.html?utm_source=energy-on-demand-and-its-recovery"},{"key":"bibr5-0959651819885208","doi-asserted-by":"publisher","DOI":"10.1016\/j.ejcon.2018.11.005"},{"key":"bibr6-0959651819885208","doi-asserted-by":"publisher","DOI":"10.1007\/s12555-018-0593-9"},{"issue":"8","key":"bibr7-0959651819885208","first-page":"363","volume":"228","author":"Minav TA","year":"2015","journal-title":"Proc IMechE, Part D: J Automobile Engineering"},{"key":"bibr8-0959651819885208","first-page":"693","volume-title":"Proceedings of the 52nd national conference on fluid power","author":"Zimmerman J"},{"key":"bibr9-0959651819885208","first-page":"30","volume-title":"The 13th Scandinavian international conference on fluid power (SICFP2013)","author":"Hippalgaonkar R"},{"key":"bibr10-0959651819885208","doi-asserted-by":"publisher","DOI":"10.3901\/CJME.2012.03.498"},{"key":"bibr11-0959651819885208","first-page":"291","volume-title":"Bath ASME symposium on fluid power and motion control (FPMC2008)","author":"Williamson C"},{"key":"bibr12-0959651819885208","doi-asserted-by":"crossref","unstructured":"Hippalgaonkar R, Zimmerman J, Ivantysynova M. 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