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Adaptive control of the dynamic behavior of the rotor in active magnetic bearings

Keywords:

Т. A. Izosimova – Post-graduate Student. E-mail: ta_iz@mail.ru
Yu. K. Evdokimov – Dr.Sc. (Eng.), Professor, Head of Department. E-mail: evdokimov@tre.kstu-kai.ru


Main task of a control system of active magnetic bearings is to provide specified shaft position and vibration level at variable loads and different speeds. To achieve this goal it should take in to account changes of the rotor eigenfrequencies with dynamic characteristics of the supports. This paper proposes the method of synthesis an adaptive control system of active magnetic bearings. Main feature of that method is to provide access to the rotor operating regime without overcoming flexural critical frequency. An example of the synthesis the adaptive control system for magnetic suspension experimental rig based on the proposed methodology is shown. The results can be used to synthesis the adaptive control systems of compressor machines with active magnetic bearings.
References:

  1. Rukovitsyn I.G. Osobennosti upravleniya aktivnymi elektromagnitnymi podshipnikami gazoperekachivayushchikh agregatov s gibkimi rotorami. // Voprosy elektromekhaniki. Tr. NPP VNIIEM. 2009. T. 113. S. 13-18.
  2. Amerikanskiy standart API 5CT/ISO 11960–2001. Trebovaniya k obsadnym i nasosno-kompressornym trubam.
  3. Davydov A.V. Matematicheskoe modelirovanie i analiz rotornykh sistem s magnitnymi oporami: dis. … k.t.n. M. 2013. S. 73–75.
  4. Yevdokimov Yu.K., Izosimova T.A., Davydov A.V. Issledovanie dinamicheskikh kharakteristik rotora, kak ob''ekta sistemy avtomaticheskogo upravleniya aktivnym magnitnym podvesom // Izvestiya VUZov. Aviatsionnaya tekhnika. Vyp. 3. Kazan'. 2014.
  5. Yevdokimov Yu.K., Izosimova T.A. Sintez sistemy avtomaticheskogo upravleniya aktivnym magnitnym podvesom // Trudy respublikanskogo nauchnogo seminara AN RT «Metody modelirovaniya». Vyp. 5. Kazan': Izd-vo «Fen» («Nauka»). 2013. S. 178-191.
  6. GOST ISO 7919-1 – 2002. Vibratsiya. Kontrol' sostoyaniya mashin po rezul'tatam izmereniy vibratsii na vrashchayushchikhsya valakh. Obshchie trebovaniya. M. 2002. 21 s.
  7. Yevdokimov Yu.K., Toguzov S.A., Izosimova T.A. Avtomatizirovannyy stend dlya issledovaniya magnitnykh podshipnikov vysokoenergeticheskikh ustanovok // Materialy VI Mezhdunar. nauchno-tekhnich. konf. T. 1. Kazan': Izd-vo KGTU. 2011. S. 308(313.

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