This is an open access article published by the IET under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
To improve the accuracy of torque control for vector control of interior permanent-magnet synchronous machine (IPMSM), this study proposes a torque-sensorless control method based on cascaded sliding mode observer (SMO). First, the active flux model is discussed, which converts the model of IPMSM into the equivalent model of surface-mounted permanent-magnet synchronous machine. Second, to reduce chattering caused by system parameters variations and external disturbances, the cascaded observer is designed, which is composed of a variable gain adaptive SMO and an active flux SMO. The variable gain adaptive SMO is designed to estimate the speed, rotor position and stator resistance in the d–q reference frame. The active flux SMO is designed to estimate the active flux and torque in the α–β reference frame. Global asymptotic stability of the observers is guaranteed by the Lyapunov stability analysis. Finally, simulations and experiments are carried out to verify the effectiveness of the proposed control scheme.
References
-
-
1)
-
20. Zhang, C.F., Liao, H.J., Li, X.F., et al: ‘Fault reconstruction based on sliding mode observer for current sensors of PMSM’, J. Sens., 2016, 2016, pp. 1–9.
-
2)
-
6. Zhang, C.F., He, J., Jia, L., et al: ‘Virtual line-shafting control for permanent magnet synchronous motor systems using sliding-mode observer’, IET Control Theory Appl., 2015, 9, pp. 456–464 (doi: 10.1049/iet-cta.2014.0477).
-
3)
-
8. Kim, S.I., Im, J.H., Song, E.Y., et al: ‘A new rotor position estimation method of IPMSM using all-pass filter on high-frequency rotating voltage signal injection’, IEEE Trans. Ind. Electron., 2016, 63, pp. 6499–6509 (doi: 10.1109/TIE.2016.2592464).
-
4)
-
21. Rubio, J.J.: ‘Hybrid controller with observer for the estimation and rejection of disturbances’, ISA Trans., 2016, 65, pp. 445–455 (doi: 10.1016/j.isatra.2016.08.026).
-
5)
-
8. Preindl, M., Bolognani, S.: ‘Optimal state reference computation with constrained MTPA criteria for PM motor drives’, IEEE Trans. Power Electron., 2015, 30, (8), pp. 4524–4535 (doi: 10.1109/TPEL.2014.2354299).
-
6)
-
27. Ancuti, M.C., Tutelea, L., Andreescu, G.D., et al: ‘Practical wide-speed-range sensorless control system for permanent magnet reluctance synchronous motor drives via active flux model’, Electr. Power Compon. Syst., 2014, 42, pp. 91–102 (doi: 10.1080/15325008.2013.842617).
-
7)
-
15. Boldea, I., Paicu, M.C., Andreescu, G.D.: ‘‘Active flux’ DTFC-SVM Sensor Less Control of IPMSM’, IEEE Trans. Energy Convers., 2009, 24, pp. 314–322 (doi: 10.1109/TEC.2009.2016137).
-
8)
-
13. Zhao, K.H., Chen, T.F., Zhang, C.F., et al: ‘Online fault detection of permanent magnet demagnetization for IPMSMs by non-singular fast terminal-sliding-mode observer’, Sensors, 2014, 14, pp. 23119–23136 (doi: 10.3390/s141223119).
-
9)
-
32. Spurgeon, S.K.: ‘Sliding mode observers: a survey’, Int. J. Syst. Sci., 2008, 39, pp. 751–764 (doi: 10.1080/00207720701847638).
-
10)
-
26. Liu, J.B., Nondahl, T.A., Schmidt, P.B., et al: ‘Rotor position estimation for synchronous machines based on equivalent EMF’, IEEE Trans. Ind. Appl., 2011, 47, pp. 1310–1318 (doi: 10.1109/TIA.2011.2125935).
-
11)
-
33. Krishna, M., Daya, F.J.L.: ‘Adaptive speed observer with disturbance torque compensation for sensorless induction motor drives using RT-Lab’, Turk. J. Elec. Eng. Comp. Sci., 2016, 24, pp. 3792–3806 (doi: 10.3906/elk-1502-198).
-
12)
-
15. Nguyen, D., Dutta, R., Rahman, M.F., et al: ‘Performance of a sensorless controlled concentrated-wound interior permanent-magnet synchronous machine at low and zero speed’, IEEE Trans. Ind. Electron., 2016, 63, pp. 2016–2026 (doi: 10.1109/TIE.2015.2506138).
-
13)
-
5. Zhu, Y., Wu, S.B., Wu, Z.H., et al: ‘Precise torque control method of IPMSM in vehicle’, Trans. Chin. Soc. Agric. Mach., 2014, 45, pp. 8–13.
-
14)
-
31. Ren, J.J., Liu, Y.C., Wang, N., et al: ‘Sensorless control of ship propulsion interior permanent magnet synchronous motor based on a new sliding mode observer’, ISA Trans., 2015, 54, pp. 15–26 (doi: 10.1016/j.isatra.2014.08.008).
-
15)
-
13. Zhang, X.G., Li, Z.X.: ‘Sliding-mode observer-based mechanical parameter estimation for permanent magnet synchronous motor’, IEEE Trans. Power Electron., 2016, 31, pp. 5732–5745 (doi: 10.1109/TPEL.2015.2495183).
-
16)
-
25. Foo, G., Rahman, M.F.: ‘Sensorless vector control of interior permanent magnet synchronous motor drives at very low speed without signal injection’, IET Electr. Power Appl., 2010, 4, pp. 131–139 (doi: 10.1049/iet-epa.2009.0024).
-
17)
-
4. Zheng, Z.D., Li, Y.D., Fadel, M., et al: ‘A rotor speed and load torque observer for PMSM based on extended Kalman filter’. IEEE Int. Conf. Industrial Technology, Bombay, India, 2006, pp. 1057–1062.
-
18)
-
28. Zhao, Y., Zhang, Z., Qiao, W., et al: ‘An extended flux model-based rotor position estimator for sensorless control of salient-pole permanent-magnet synchronous machines’, IEEE Trans. Power Electron., 2015, 30, pp. 4412–4422 (doi: 10.1109/TPEL.2014.2358621).
-
19)
-
3. Zheng, Z.D., Li, Y.D., Xiao, X., et al: ‘Load torque observer of permanent magnet synchronous motor’, Trans. Chin. Electrotech. Soc., 2010, 25, pp. 30–36.
-
20)
-
9. Wang, G.L., Yang, L., Zhang, G.Q., et al: ‘Comparative investigation of pseudorandom high-frequency signal injection schemes for sensorless IPMSM drives’, IEEE Trans. Power Electron., 2017, 32, pp. 2123–2132 (doi: 10.1109/TPEL.2016.2569418).
-
21)
-
29. Kalluf, F.J.H., Isfanuti, A.S., Tutelea, L.N., et al: ‘1-kW 2000–4500 r/min ferrite PMSM drive: comprehensive characterization and two sensorless control options’, IEEE Trans. Ind. Appl., 2016, 52, pp. 3980–3989 (doi: 10.1109/TIA.2016.2574776).
-
22)
-
30. Haitham, A.R., Atif, I., Jaroslaw, G.: ‘High performance control of AC drives with Matlab/Simulink models’ (Wiley, 2012).
-
23)
-
12. Saadaoui, O., Khlaief, A., Abassi, M., et al: ‘A sliding-mode observer for high-performance sensorless control of PMSM with initial rotor position detection’, Int. J. Control, 2017, 90, pp. 377–392 (doi: 10.1080/00207179.2016.1181788).
-
24)
-
14. Song, X., Fang, J., Han, B., et al: ‘Adaptive compensation method for high-speed surface PMSM sensorless drives of EMF-based position estimation error’, IEEE Trans. Power Electron., 2016, 31, pp. 1438–1449 (doi: 10.1109/TPEL.2015.2423319).
-
25)
-
1. Jarzebowicz, L., Karwowski, K., Kulesza, W.J.: ‘Sensorless algorithm for sustaining controllability of IPMSM drive in electric vehicle after resolver fault’, Control Eng. Pract., 2017, 58, pp. 117–126 (doi: 10.1016/j.conengprac.2016.10.004).
-
26)
-
7. Huang, W.Q., Zhang, Y.T., Zhang, X.C., et al: ‘Accurate torque control of interior permanent magnet synchronous machine’, IEEE Trans. Energy Convers., 2014, 29, pp. 29–37 (doi: 10.1109/TEC.2013.2290868).
-
27)
-
16. Comanescu, M.: ‘Sensorless rotor position estimation of PMSM by full-order and sliding mode EMF observers with speed estimate’, Int. J. Veh. Auton. Syst., 2013, 11, pp. 157–189 (doi: 10.1504/IJVAS.2013.053778).
-
28)
-
11. Yang, S.C., Hsu, Y.L.: ‘Full speed region sensorless drive of permanent-magnet machine combining saliency-based and back-EMF-based drive’, IEEE Trans. Ind. Electron., 2017, 64, pp. 1092–1101 (doi: 10.1109/TIE.2016.2612175).
-
29)
-
17. He, J., Zhang, C.F., Mao, S., et al: ‘Demagnetization fault detection in permanent magnet synchronous motors based on sliding observer’, J. Nonlinear Sci. Appl., 2016, 9, pp. 2039–2048.
-
30)
-
23. Aguilar-Ibanez, C.: ‘Stabilization of the PVTOL aircraft based on a sliding mode and a saturation function’, Int. J. Robust Nonlinear Control, 2017, 27, pp. 843–859 (doi: 10.1002/rnc.3601).
-
31)
-
22. Rubio J., de Jesus: ‘Sliding mode control of robotic arms with dead zone’, IET Control Theory Appl., 2017, 11, pp. 1214–1221 (doi: 10.1049/iet-cta.2016.0306).
-
32)
-
19. Huang, G., Luo, Y.P., Zhang, C.F., et al: ‘Current sensor fault diagnosis based on a sliding mode observer for PMSM driven systems’, Sensors, 2015, 15, pp. 11027–11049 (doi: 10.3390/s150511027).
-
33)
-
13. Foo, G., Rahman, M.F.: ‘Sensorless sliding-mode MTPA control of an IPM synchronous motor drive using a sliding-mode observer and HF signal injection’, IEEE Trans. Ind. Electron., 2010, 57, (4), pp. 1270–1278 (doi: 10.1109/TIE.2009.2030820).
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