{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,10]],"date-time":"2026-01-10T06:05:42Z","timestamp":1768025142110,"version":"3.49.0"},"reference-count":28,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2022,11,15]],"date-time":"2022-11-15T00:00:00Z","timestamp":1668470400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"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":[[2023,3]]},"abstract":"<jats:p> To study the mechanism of the deflector jet servo valve under temperature shock, a complete temperature theoretical model is proposed in this article. The temperature change affects the performance change of the torque motor by affecting the drift of the air gaps\u2019 thickness, the permanent magnets\u2019 reluctance, and the magnetomotive polarization force. Moreover, the temperature variation will act on the flow coefficient of the pilot stage, the size of the deflector, and jet pan, which influences the performance of the pilot stage hydraulic amplifier. Furthermore, the armature components, including the stiffness of the spring tube, the stiffness of the feedback rod, and the armature\u2019s arm of force, are also related to the temperature variation. Comprehensively, considering the interaction influence of these factors, by analyzing the electromagnetic characteristics of the torque motor, the fluid mechanics\u2019 characteristics of the pilot stage hydraulic amplifier, and the temperature performance of the armature assembly, the temperature drift model of deflector jet servo valve is constructed, which is represented as a ninth-order nonlinear equation. Based on the equation, the influence of temperature on the control precision of the servo valve is analyzed. The calculation results show that in the range of 20\u00b0C\u2013250\u00b0C, the impact of temperature on the control accuracy will exceed 30%, the flow coefficient is the most significant affecting on the control accuracy, followed by the structural deformation of the pilot stage is the second factor affecting the temperature drift, and other factors have little effect. Comparison with the experimental results, the temperature drift model of the deflector jet servo valve can predict the control accuracy caused by temperature and provide a theoretical foundation for the optimization of the deflector jet servo valve. <\/jats:p>","DOI":"10.1177\/09596518221132457","type":"journal-article","created":{"date-parts":[[2022,11,15]],"date-time":"2022-11-15T13:51:18Z","timestamp":1668520278000},"page":"462-478","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Temperature drift mechanism of deflector jet servo valve under temperature shock"],"prefix":"10.1177","volume":"237","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8505-7350","authenticated-orcid":false,"given":"Li","family":"Ma","sequence":"first","affiliation":[{"name":"School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2385-8950","authenticated-orcid":false,"given":"Hao","family":"Yan","sequence":"additional","affiliation":[{"name":"School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing, China"},{"name":"Key Laboratory of Vehicle Advanced Manufacturing, Measuring and Control Technology, Beijing Jiaotong University, Ministry of Education, Beijing, China"}]},{"given":"Cunkun","family":"Cai","sequence":"additional","affiliation":[{"name":"Beijing Institute of Precision Mechatronics and Controls, Beijing, China"}]},{"given":"Yukai","family":"Ren","sequence":"additional","affiliation":[{"name":"School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing, China"}]}],"member":"179","published-online":{"date-parts":[[2022,11,15]]},"reference":[{"key":"bibr1-09596518221132457","unstructured":"Yin YB. Theory and application of advanced hydraulic component. In: Yaobao Y (ed) Deflector jet servo valve. Shanghai, China: Shanghai Scientific & Technical Publishers, 2017, p.79."},{"key":"bibr2-09596518221132457","unstructured":"GB150.5A:2009. Laboratory environmental test methods for military equipment: part 5: temperature shock test."},{"key":"bibr3-09596518221132457","doi-asserted-by":"publisher","DOI":"10.1243\/095965106X78211"},{"key":"bibr4-09596518221132457","doi-asserted-by":"publisher","DOI":"10.1243\/09596518JSCE238"},{"key":"bibr5-09596518221132457","first-page":"310","volume-title":"Proceedings of the 2012 4th international conference on intelligent human-machine systems and cybernetics","author":"Pham XHS"},{"issue":"4","key":"bibr6-09596518221132457","first-page":"269","volume":"30","author":"Pham XHS","year":"2013","journal-title":"J Donghua Univ Eng Ed"},{"key":"bibr7-09596518221132457","doi-asserted-by":"publisher","DOI":"10.1063\/1.5038402"},{"key":"bibr8-09596518221132457","doi-asserted-by":"publisher","DOI":"10.1088\/0964-1726\/23\/11\/115001"},{"key":"bibr9-09596518221132457","doi-asserted-by":"publisher","DOI":"10.1177\/0959651813478288"},{"key":"bibr10-09596518221132457","first-page":"725","volume-title":"Proceedings of the ASME conference","author":"Somashekhar SH"},{"key":"bibr11-09596518221132457","doi-asserted-by":"publisher","DOI":"10.1016\/j.sna.2016.04.048"},{"key":"bibr12-09596518221132457","doi-asserted-by":"publisher","DOI":"10.1016\/j.cja.2019.11.016"},{"key":"bibr13-09596518221132457","doi-asserted-by":"publisher","DOI":"10.1088\/1674-1056\/26\/4\/044701"},{"issue":"2","key":"bibr14-09596518221132457","first-page":"180","volume":"32","author":"Yan H","year":"2019","journal-title":"Chin J Mech Eng"},{"key":"bibr15-09596518221132457","doi-asserted-by":"publisher","DOI":"10.1016\/j.cja.2019.09.011"},{"key":"bibr16-09596518221132457","doi-asserted-by":"publisher","DOI":"10.3901\/JME.2006.supp.231"},{"key":"bibr17-09596518221132457","doi-asserted-by":"publisher","DOI":"10.1115\/1.4040500"},{"key":"bibr18-09596518221132457","doi-asserted-by":"publisher","DOI":"10.3901\/CJME.2015.0417.045"},{"key":"bibr19-09596518221132457","volume-title":"Fluid-structure interaction analysis of orifice flapper assembly and temperature field analysis of electro-hydraulic servo valve","author":"Zhou SL","year":"2014"},{"key":"bibr20-09596518221132457","doi-asserted-by":"publisher","DOI":"10.5293\/IJFMS.2017.10.4.328"},{"key":"bibr21-09596518221132457","first-page":"257","volume":"3","author":"Zhang X","year":"2010","journal-title":"Proc IEEE"},{"key":"bibr22-09596518221132457","doi-asserted-by":"publisher","DOI":"10.1243\/09544062JMES709"},{"key":"bibr23-09596518221132457","volume-title":"Study on characteristics of pilot stage flow field of jet deflector servo valve under temperature impulse","author":"Mao QY","year":"2021"},{"key":"bibr24-09596518221132457","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2019.2922135"},{"key":"bibr25-09596518221132457","doi-asserted-by":"publisher","DOI":"10.1063\/5.0049045"},{"key":"bibr26-09596518221132457","first-page":"98","volume-title":"Mathematical model and simulation of deflector jet servo valve","author":"Li YS","year":"2020"},{"key":"bibr27-09596518221132457","first-page":"60","volume":"5","author":"Jiang JH","year":"1997","journal-title":"Lubr Eng"},{"key":"bibr28-09596518221132457","unstructured":"China Aeronautical Materials Handbook Editorial Committee. 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