lyapunov redesign of model reference adaptive control systems

Ngày tải lên: 01/01/2014, 18:08

... involved one. Adaptive Control Systems 13 lence principle of adaptive control is used to combine a robust adaptive law with robust internal model controllers to obtain adaptive internal model control ... and 2 Adaptive internal model control Adaptive Control Systems time invariant. Furthermore, for the adaptive H 2 and H  designs, this can be done using a single đxed Fs. Proof The proof of this ... reference control The objective in model reference control is to design a dierentiator-free controller so that the output y of the controlled plant Ps asymptotically tracks the output of a stable reference...

Ngày tải lên: 18/04/2014, 12:29

... Access Point to point control of fractional differential linear control systems Andrzej Dzieliński * and Wiktor Malesza * Correspondence: adziel@ee.pw. edu.pl Institute of Control and Industrial Electronics ... study control systems described by the Riemann-Liouville derivatives and in Sect. 3 systems expressed by means of the Caputo derivatives. In each of these sections, we consider three cases of linear ... consider three cases of linear control systems: in the form of an integrator of fractional order a,intheform of sequential na-integrator, and finally, in a general (controllable) vector state space form....

Ngày tải lên: 21/06/2014, 02:20

Ngày tải lên: 26/01/2014, 07:20

... P. Groover: Automation, Production Systems, and Computer Integrated Manufacturing. Printice-Hall, 1987. 2. Yoram Koren: Computer Control of Manufacturing Systems. McGraw-Hill, 1983. 3. Japanese ... 2 loại: (1) điều khiÓn thÝch nghi tèi −u (Adaptive Control With Optimization - ACO) và (2) điều khiển thích nghi theo điều kiện giới hạn (Adaptive Control With Constraints - ACC). Hệ ACO điều ... còn có thể gây nên sự cố kỹ thuật. Trong công nghệ cắt gọt kim loại, điều khiển thích nghi (Adaptive Control - AC) đợc hiểu là hệ thống có khả năng thờng xuyên giám sát sự thay đổi của các thông...

Ngày tải lên: 10/12/2013, 13:16

... proposes an adaptive control method of partially known system and shows its application result to control of a two-wheeled welding mobile robot. The controlled system is designed using Lyapunov ... [17] N. Sarkar, X. Yun and V. Kumar, Control of Mechanical Systems With Rolling Constrains: Application to Dynamic Control of Mobile Robots”, The Int. Journal of Robotics Research, Vol. 13, No. ... K.T. Song, C.H. Lee and C.C. Teng, “Tracking Control of Unicycle-Modeled Mobile Robots Using a Saturation Feedback Controller”, IEEE Trans. on Control Systems Technology, Vol. 9, No. 2, pp. 305-318,...

Ngày tải lên: 10/12/2013, 13:16

Ngày tải lên: 01/01/2014, 17:47

Ngày tải lên: 01/01/2014, 18:43

Ngày tải lên: 26/01/2014, 07:20

... 28 4.3 Simulation of a Model of the F8 Aircraft The purpose of this example is to illustrate the effects of multiple saturations on the directions of the controls and consequently ... its control signals. For multivariable systems, a major problem that arises (because of saturations) is the fact that control saturations alter the direction of the control ... are illustrated in the simulation of an academic example and the simulation of the multivariable longitudinal control of a modified model of the F-8 aircraft. This research...

Ngày tải lên: 18/02/2014, 10:20

... or autophagy Control of Innate and Adaptive Immune Responses during Infectious Diseases 31 2 Mechanisms of Host Protection and Pathogen Evasion of Immune Response… 2.4 Evasion of Immune Response 2.4.1 ... death of the 5-lipoxygenase-deficient hosts (Aliberti et al. 2002b). 1.3.7 Redundancy and Control of Inflammation IL-10, IL-27, TGF-E and lipoxins share several biological functions in terms of controlling ... lung form of cystic fibrosis. The relevance of pathogen- derived 15-lipoxygenase given the lack of lipoxin generation in the lungs of patients with cystic fibrosis and the severity of disease...

Ngày tải lên: 05/03/2014, 23:20

... several groups of allosteric interactions: inhibition of both activities of bifunctional AK-HSDH (two isoforms: AKI-HSDHI and AKII-HSDHII) by Thr (G-II), inhibition of the isoforms of monofunc- tional ... modular representation of the system, there is a small number of explicit variables and of module rates, resulting in a small number of control coefficients. This set of con- trol coefficients quantifies the control ... that a change in the rate of the demand of S for Y synthesis has on the flux that produces Y. A high value of this flux control coefficient, in a wide range of values of rate change r 2 , indicates...

Ngày tải lên: 14/03/2014, 23:20

... not part of the control loop of this servomechanism. The output of each of these sources is a constant function of time, and can be accounted for in the mathematical description of the input ... the terminals of an inductor is equal to the time rate of change of flux linkages. (A flux linkage is defined as one line of magnetic flux linking one turn of the winding of the inductor.) ... 2.4 BLOCK DIAGRAMS OF DISCRETE-TIME (SAMPLED-DATA, DIGITAL) COMPONENTS, CONTROL SYSTEMS, AND COMPUTER-CONTROLLED SYSTEMS A discrete-time (sampled-data or digital) control system was defined...

Ngày tải lên: 01/04/2014, 11:13

... 16 Liquid Level Control 16.1 Introduction 16.2 Level Control of Simple Vessels 16.3 Level Control of Overhead Condenser Receiver Via Top- 16.4 Level Control of Overhead Condenser ... pressure control via manipulation of inert gas and vent valves Reduction of signal flow diagram of Figure 17.7 Signal flow diagram for column pressure control via manipulation of inert ... variables listed may also exert control on five or six other valves. To provide automatic control of this sort, we make extensive use of “variable configuration” controls that are usually...

Ngày tải lên: 01/04/2014, 11:24

... features of the dynamics will be preserved. 2.1 The Hodgkin-Huxley model As an example of such a model reduction, we look again at the HH model which models the space-clamped squid giant axon. This model ... Application to a model of intracellular calcium dynamics To see how these results apply to a specific model with two fast and one slow vari- ables, we consider a simplified version of a model of calcium ... original model of Atri et al. [30], the SERCA and plasma membrane pumps were modelled as saturating Hill functions of the calcium concentration. In addition, release of calcium through the IPR was modelled...

Ngày tải lên: 20/06/2014, 23:20

... 10 shows the convergence behavior of QM model coefficients adaptation, and the corresponding parameters estimation of IQ imbalance as a function of the number of iterations. According to these ... the performance of power amplifier (PA) linearization systems, in particular in adaptive digital predistorters (PDs). In this paper, we first analyze the effect of IQ imbalance on the performance of a memory ... an OBO of 4.7 dB. We have set the parameters of the MOP PD to K = 5and Q = 1 for the order of orthogonal polynomial and length ofmemory,respectively.Moreover,wechoseaforgetting factor of λ =...

Ngày tải lên: 21/06/2014, 20:20

... stabilization of control systems is one of the most important properties of the systems and has been studied widely by many reseachers in control theory; see, e.g., 1– 11 and the references ... discrete-time systems, ” IEEE Transactions on Automatic Control, vol. 41, no. 6, pp. 903–907, 1996. 12 E. N. Chukwu, Stability and Time-Optimal Control of Hereditary Systems, vol. 188 of Mathematics ... Journal of Control, vol. 74, no. 6, pp. 547–551, 2001. 9 F. Alabau and V. Komornik, “Boundary observability, controllability, and stabilization of linear elastodynamic systems, ” SIAM Journal on Control...

Ngày tải lên: 21/06/2014, 20:20

... D cx ìD cz . In this case, our neuroadaptive controller guarantees semiglobal ultimate boundedness. An identical assumption is made in the proof of Theorem 5.1. B. Proof of Theorem 5.1 In this appendix, ... time and the control signal versus time. 5. Neuroadaptive control for discrete-time nonlinear nonnegative uncertain systems with nonnegative control As discussed in the introduction, control source ... compartmental dynamical systems, ” International Journal of Control, vol. 76, no. 18, pp. 1845–1861, 2003. 20 W. M. Haddad and V. Chellaboina, Nonlinear Dynamical Systems and Control: A Lyapunov- Based Approach,...

Ngày tải lên: 22/06/2014, 11:20

Ngày tải lên: 22/06/2014, 23:20

Ngày tải lên: 06/08/2014, 18:21