sliding mode control for systems with time delay

... the unforced solutions are uniformly bounded for all time independent of the delays Also, the total solutions for admissible bounded controls are also bounded for all time independent of the delays ... problems of dynamic systems such as time- delay and continuous -time/ digital hybrid systems and in those involving switches among different parameterizations This paper is concerned with the investigation ... dynamic systems, ” International Journal of Systems Science, vol 14, no 4, pp 367–383, 1983 25 M De la Sen and N Luo, “On the uniform exponential stability of a wide class of linear time- delay systems, ”...

Ngày tải lên: 21/06/2014, 05:20

... complete the theory for CNF control for continuous -time and discrete -time, SISO or MIMO linear systems with state feedback or measurement feedback control Thus, it is possible for control engineers ... Chapter CNF Control for Continuous -Time Systems with Input Saturation 42 1.5 Controlled Output 0.5 −0.5 −1 −1.5 10 10 Time (seconds) 1.5 Time (seconds) Control Input 0.5 −0.5 −1 −1.5 Time (seconds) ... CNF Control for Continuous -Time Systems with Input Saturation In this chapter, I will present a design procedure of composite nonlinear feedback control for general multivariable systems with...

Ngày tải lên: 15/09/2015, 22:15

... unstable This is true for both ÿnite and inÿnite continuous delays 3.2 A competition model As a second application we consider the Volterra–Lotka competition model with time delays: ut − L1 u = ... Dynamics of nonlinear parabolic systems with time delays, J Math Anal Appl 198 (1996) 751–779 [13] C.V Pao, Systems of parabolic equations with continuous and discrete delays, J Math Anal Appl 205 ... unstable (in the sense of Lyapunov stability) Moreover, for ÿnite continuous or discrete time delays, including the case r1 = r2 = without time delays, the constant (c1∗ ; c2∗ ) is globally asymptotically...

Ngày tải lên: 29/10/2015, 14:19

... odd Analysis of Closed-Loop Performance for Sliding Mode Control Systems 61 with either ReJr−int (ω) being zero for all odd r = n − m or ImJr−int (ω) being zero for even r Take magnitudes of the ... = Cx0 (26) For the most common case being the autonomous mode analysis (f ≡ 0) the reduced-order model is as follows: Analysis of Closed-Loop Performance for Sliding Mode Control Systems x0 = ... = 26.60 for option A and Fig The LPRS plots of the linear part (actuator, plant and sliding surface) Analysis of Closed-Loop Performance for Sliding Mode Control Systems 65 kn = 104.17 for option...

Ngày tải lên: 01/07/2015, 09:37

... behaviors of sliding mode control systems with matched uncertainties In: Proc WCICA 2006, Dalian, China (2006) 15 Rubio, J.D., Yu, W.: A new discrete -time sliding mode control with time- varying ... Structure Systems, Sliding Mode and Nonlinear Control Lecture Notes in Control and Information Sciences, vol 274 Springer, New York (1999) Misawa, E.A.: Discrete time sliding mode control: The ... A.S.I.: Sliding mode control of discrete time systems ASME Journal of Dynamic Systems, Measurement, and Control 122, 793–802 (2000) 12 Fridman, L.M., Levant, A.: Higher order sliding modes In:...

Ngày tải lên: 01/07/2015, 10:07

... boundary layer in sliding mode for sampled-data systems IEEE Transactions on Automatic Control 45, 482–485 (2000) Utkin, V.I.: Sliding mode control in discrete -time and difference systems In: Zinober, ... estimate dk based on output information will be given in subsection 4.3 Output Tracking with Discrete -Time Integral Sliding Mode Control 4.2 253 Stability Analysis With the controller design, the stability ... (89) Output Tracking with Discrete -Time Integral Sliding Mode Control 261 If the discontinuity occurs at k = kd during a certain time interval then ξ kd ∈ O(T ), and ξ k ∈ O(T ) for all other sampling...

Ngày tải lên: 01/07/2015, 10:08

... backstepping control and sliding mode backstepping control were developed for a class of nonlinear systems which can be converted to the parametric strict feedback form The systems may have unmodelled ... = xn − αn−1 − yr with αn−1 obtained from (11) for k = n Then the time derivative of the error variable zn is Flatness, Backstepping and Sliding Mode Controllers for Nonlinear Systems n−1 zn = ... θ −6 10 6 0 Control action 5 −5 −5 Sliding function −10 t −5 t Fig Tracking responses with sliding control (37) for PSF system with K = 10 and W =0 reduced and also the reaching time is shorter...

Ngày tải lên: 01/07/2015, 09:13

... notion of sliding mode control has been extended and the concept of 2 -Sliding Mode and higher order sliding modes (HOSM) has been developed [2], [15] With these controllers, a sliding control of ... Nonlinear Control Systems, 2nd edn Springer, New York (1989) High Order Sliding Mode Neurocontrol 197 11 Khan, M.K., Spurgeon, S.K., Levant, A.: Simple output-feedback 2 -sliding controller for systems ... Single-InputSingle-Output (SISO) Sliding- Mode Controllers With Finite -Time Convergence IEEE Transactions on Automatic Control 46, 1447–1451 (2001) 16 Levant, A.: Higher-order sliding modes, differentiation...

Ngày tải lên: 01/07/2015, 09:14

... second-order sliding mode controllers for linear plants with dynamic actuators Automatica 42, 833–839 (2006) 10 Bondarev, A.G., Bondarev, S.A., Kostylyeva, N.Y., Utkin, V.I.: Sliding Modes in Systems with ... Nonlinear Control Systems, 3rd edn Springer, Berlin (1995) 21 Levant, A.: Sliding order and sliding accuracy in sliding mode control Int J Contr 66, 1247–1263 (1993) 22 Levant, A.: Higher order sliding ... 2 -sliding control algorithm for nonlinear uncertain systems Int J Contr 74, 718–731 (2001) Bartolini, G., Pisano, A., Punt, E., Usai, E.: A survey of applications of second order sliding mode control...

Ngày tải lên: 01/07/2015, 09:18

... sliding mode control methods are presented The analysis is developed for sliding mode control of order two, thus obtaining second order regularization results of sliding mode control systems ... Regularization of Second Order Sliding Mode Control Systems 15 Sliding Error Estimates In this section we consider sliding mode control systems (1) the dynamics of which are affine in the control variable, ... [21] for first and second order sliding methods Regularization of Second Order Sliding Mode Control Systems First Order Approximability: Definitions and Results We consider sliding mode control...

Ngày tải lên: 01/07/2015, 10:09

... adaptive control methods have been developed for discretetime systems with time- invariant parametric uncertainties, such as [166] for parametricstrict-feedback form, [39, 74] for unknown control ... learning-type control approaches for nonlinear dynamic systems with repetitiveness The main contributions lie in the following aspects: AC design for systems with periodic repetitiveness in parametric form, ... properly in spatial control for the plant with highly nonlinear components (2) In Chapter 3, a concise discrete -time adaptive control approach suitable for nonlinear systems with periodic parametric...

Ngày tải lên: 11/09/2015, 10:15

... an improved performance Therefore, in this paper, we investigate the memory controller design for the exponential stabilization of linear singular time delay systems with control delay To the best ... idea, the finite -time stabilization problem was developed in [9-12] for linear control systems with delays, and its solutions provide sufficient conditions for designing state feedback controller via ... implementing LMI approach for designing memory feedback controllers in stabilization problem in Lyapunov sence of linear control state -delay systems without control delays In this paper, we propose...

Ngày tải lên: 12/10/2015, 10:29

... food-limited population model with delay: a numerical study, WSEAS Trans on Systems (2004), 1313–1317 Boushaba, K and Ruan, S., Instability in diffusive ecological models with nonlocal delay effects, ... attractors for population dynamics models with infinite time delay, Discrete Contin Dyn Syst Ser B (2006), 1051–1076 Cavaterra, C and Grasselli, M., Asymptotic behavior of population dynamics models with ... (2.4) Vol 7, 2007 Reaction-diffusion problems with time delays 655 This implies the existence of E ∗ – an exponential attractor for ( n , X ) – together with the estimate (see [35, Theorem 1]) ln...

Ngày tải lên: 29/10/2015, 14:19

... model-free control method On the other hand, the required control forces for Controller force boundary Error boundary in x-axis 15 4.1 Tracking control with uncertainty and noise Controller force ... tracking performances with uncertainties (a) Control results in the x-axis for both shapes, (b) control results in the y-axis for ellipse shape and (c) control results in the y-axis for eight curve ... PD–SMC, a case with varying friction and mass (loading) at different time is simulated and compared with other control laws It is assumed Controlled force for different boundary layer Error for different...

Ngày tải lên: 24/11/2016, 00:04

Ngày tải lên: 24/04/2014, 17:25

... Institute of Automatic Control, Technical University of Łódź Poland XI Part Sliding Mode Control in Power Electronics Sliding Mode Control and Fuzzy Sliding Mode Control for DC-DC Converters Kamel ... Order Sliding Mode Control 307 Christian Tournes, Yuri Shtessel and David Foreman Chapter 17 High Order Sliding Mode Control for Suppression of Nonlinear Dynamics in Mechanical Systems with Friction ... www.intechopen.com Contents Preface Part Chapter IX Sliding Mode Control in Power Electronics Sliding Mode Control and Fuzzy Sliding Mode Control for DC-DC Converters Kamel Ben Saad, Abdelaziz Sahbani...

Ngày tải lên: 20/06/2014, 04:20

... when sliding mode is enforced The control law based on this surface is given by: 49 Sliding Mode Control for Industrial Controllers u= ⎧0 if s < ( − sign ( s ) ) = ⎨1 if s < ⎩ (13) Fig Sliding Mode ... 52 Sliding Mode Control Fig Simulation SM PID Control of DC-DC buck converter with SM observer Fig Simulation SM PID Control of DC-DC buck converter with SM observer 53 Sliding Mode Control for ... single-phase boost converter with resistive load is shown in Fig Sliding Mode Control for Industrial Controllers 55 Fig Sliding Mode PID Control of buck converter with asymptotic observer Simple...

Ngày tải lên: 20/06/2014, 04:20

... converters Sliding Mode Control for Industrial Controllers 75 References Al-Hosani, K., & Utkin, V I (2009) Multiphase power boost converters with sliding mode Multi-conference on Systems and Control ... field 3.1 The fundamental principle of sliding mode Control Sliding mode control is a control method in changing structure control system Compared with normal control, it has a switching characteristic ... studied systems are presented and a dynamic model of the overall system is given in a state space 88 Sliding Mode Control model The control of the whole system is based on nonlinear sliding mode control...

Ngày tải lên: 20/06/2014, 04:20

... different DFIG model is considered to conceive the control of each of those two cases, and a rst-order sliding- mode controller is accordingly synthesized for each of them 114 Sliding Mode Control In ... principle To ensure proper functioning for the three modes, we have used a sliding mode control strategy for the DC-DC converter Here, we define a sliding surface S, for the first hybrid * source, as ... the DC link voltage VDL for transient responses obtained for a transition from the normal mode to the discharge mode applying using sliding mode control The test is performed by changing sharply...

Ngày tải lên: 20/06/2014, 04:20

... feedback PI control of the field oriented control technique for better performance Basically, the sliding mode control objectives consist mainly of the following steps: 158 Sliding Mode Control 3.1 ... field-oriented control (IFOC) u* d i* d ω ω * uq ρ i d iq * iq λ λ Fig bloc diagram of IFOC for the IM Cascade sliding mode control From the above IFOC structure, the sliding mode control mechanisms for ... New York, USA Levant, A (1993) Sliding order and sliding accuracy in sliding mode control, International Journal of Control 58(6): 1247–1263 Ogata, K (2001) Modern Control Engineering, Prentice...

Ngày tải lên: 20/06/2014, 04:20