[Cuihong, W. (2012). New delay-dependent stability criteria for descriptor systems with interval time delay, Asian Journal of Control 14(1): 197-206.10.1002/asjc.287]Search in Google Scholar
[Dodig, M. and Stosic, M. (2009). Singular systems state feedbacks problems, Linear Algebra and Its Applications 431(8): 1267-1292.10.1016/j.laa.2009.04.024]Search in Google Scholar
[Dai, L. (1989). Singular Control Systems, Springer, Berlin.10.1007/BFb0002475]Search in Google Scholar
[Duan, G.R. (2010). Analysis and Design of Descriptor Linear Systems, Springer, New York, NY.10.1007/978-1-4419-6397-0]Search in Google Scholar
[Fahmy, M.M. and O’Reill, J. (1989). Matrix pencil of closed-loop descriptor systems: Infinite-eigenvalues assignment, International Journal of Control 49(4): 1421-1431.10.1080/00207178908559713]Search in Google Scholar
[Gantmacher, F.R. (1959). The Theory of Matrices, Chelsea, London.]Search in Google Scholar
[Kaczorek, T. (1992). Linear Control Systems, Wiley, New York, NY.]Search in Google Scholar
[Kaczorek, T. (2001). Full-order perfect observers for continuous-time linear systems, Bulletin of the Polish Academy of Sciences: Technical Sciences 49(4): 549-558.]Search in Google Scholar
[Kaczorek, T. (2004). Infinite eigenvalue assignment by an output feedback for singular systems, International Journal of Applied Mathematics and Computer Science 14(1): 19-23.]Search in Google Scholar
[Kaczorek, T. (2008). Fractional positive continuous-time linear systems and their reachability, International Journal of Applied Mathematics and Computer Science 18(2): 223-228, DOI: 10.2478/v10006-008-0020-0.10.2478/v10006-008-0020-0]Search in Google Scholar
[Kaczorek, T. (2011a). Positive linear systems consisting of n subsystems with different fractional orders, IEEE Transaction on Circuits and Systems 58(7): 1203-1210.10.1109/TCSI.2010.2096111]Search in Google Scholar
[Kaczorek, T. (2011b). Selected Problems of Fractional Systems Theory, Springer, Berlin.10.1007/978-3-642-20502-6]Search in Google Scholar
[Kaczorek, T. (2012a). Checking of the positivity of descriptor linear systems with singular pencils, Archives of Control Sciences 22(1): 77-86.10.2478/v10170-011-0013-3]Search in Google Scholar
[Kaczorek T. (2012b). Positive fractional continuous-time linear systems with singular pencils, Bulletin of the Polish Academy of Sciences: Technical Sciences 60(1): 9-12.10.2478/v10175-012-0002-0]Search in Google Scholar
[Kaczorek, T. (2013). Descriptor fractional linear systems with regular pencils, Asian Journal of Control 15(4): 1051-1064.10.1002/asjc.579]Search in Google Scholar
[Kaczorek, T. (2014a). Fractional descriptor observers for fractional descriptor continuous-time linear systems, Archives of Control Sciences 24(1): 27-37.10.2478/acsc-2014-0002]Search in Google Scholar
[Kaczorek, T. (2014b). Reduced-order fractional descriptor observers for fractional descriptor continuous-time linear systems, Bulletin of the Polish Academy of Sciences: Technical Sciences 62(4): 889-895.10.2478/bpasts-2014-0098]Search in Google Scholar
[Kaczorek, T. (2015). Perfect observers of fractional descriptor continuous-time linear systems, in K. Latawiec, et al. (Eds.), Advances in Modeling and Control of Non-integer Orders Systems, Springer, Cham, pp. 3-12.10.1007/978-3-319-09900-2_1]Search in Google Scholar
[Kaczorek, T. (2016a). Perfect nonlinear observers of descriptor discrete-time nonlinear systems, Asian Journal of Control, (submitted).10.1515/fca-2016-0041]Search in Google Scholar
[Kaczorek, T. (2016b). Perfect nonlinear observers of fractional descriptor continuous-time nonlinear systems, Fractional Calculus and Applied Analysis 19(3): 775-784.10.1515/fca-2016-0041]Search in Google Scholar
[Kaczorek, T. (2016c). Positivity and stability of fractional descriptor time-varying discrete-time linear systems, International Journal of Applied Mathematics and Computer Science 26(1): 5-13, DOI: 10.1515/amcs-2016-0001.10.1515/amcs-2016-0001]Search in Google Scholar
[Kaczorek, T. (2016d). Reduced-order fractional descriptor observers for a class of fractional descriptor continuous-time nonlinear systems, International Journal of Applied Mathematics and Computer Science 26(2): 277-283, DOI: 10.1515/amcs-2016-0019.10.1515/amcs-2016-0019]Search in Google Scholar
[Kociszewski, R. (2013). Observer synthesis for linear discrete-time systems with different fractional orders, Pomiary Automatyka Robotyka 17(2): 376-381.]Search in Google Scholar
[Kucera, V. and Zagalak, P. (1988). Fundamental theorem of state feedback for singular systems, Automatica 24(5): 653-658.10.1016/0005-1098(88)90112-4]Search in Google Scholar
[Lewis, F.L. (1983). Descriptor systems, expanded descriptor equation and Markov parameters, IEEE Transactions on Automatic Control 28(5): 623-627.10.1109/TAC.1983.1103285]Search in Google Scholar
[Luenberger, D.G. (1977). Dynamical equations in descriptor form, IEEE Transactions on Automatic Control 22(3): 312-321.10.1109/TAC.1977.1101502]Search in Google Scholar
[Luenberger, D.G. (1978). Time-invariant descriptor systems, Automatica 14(5): 473-480.10.1016/0005-1098(78)90006-7]Search in Google Scholar
[N’Doye, I., Darouach, M., Voos, H. and Zasadzinski, M. (2013). Design of unknown input fractional-order observers for fractional-order systems, International Journal of Applied Mathematics and Computer Science 23(3): 491-500, DOI: 10.2478/amcs-2013-0037.10.2478/amcs-2013-0037]Search in Google Scholar
[Oldham, K.B. and Spanier, J. (1974). The Fractional Calculus, Academic Press, New York, NY.]Search in Google Scholar
[Ostalczyk, P. (2008). Epitome of the Fractional Calculus: Theory and Its Applications in Automatics, Ł´od´z University of Technology Publishing House, Ł´od´z, (in Polish).]Search in Google Scholar
[Podlubny, I. (1999). Fractional Differential Equations, Academic Press, New York, NY.]Search in Google Scholar
[Sajewski, Ł (2016). Descriptor fractional discrete-time linear system with two different fractional orders and its solution, Bulletin of the Polish Academy of Sciences: Technical Sciences 64(1): 15-20.10.1515/bpasts-2016-0003]Search in Google Scholar
[Van Dooren, P. (1979). The computation of Kronecker’s canonical form of a singular pencil, Linear Algebra and Its Applications 27: 103-140.10.1016/0024-3795(79)90035-1]Search in Google Scholar
[Vinagre, B.M., Monje, C.A. and Calderon, A.J. (2002). Fractional order systems and fractional order control actions, IEEE Conference on Decision and Control, Las Vegas, NV, USA, pp. 2550-2554.]Search in Google Scholar
[Virnik, E. (2008). Stability analysis of positive descriptor systems, Linear Algebra and Its Applications 429(10): 2640-2659.10.1016/j.laa.2008.03.002]Search in Google Scholar