adaptive control of a gantry system

... model serves as a valuable tool in gaining a deep understanding of the intricate interplay between various parameters and the fuel cell's behavior Additionally, our team has made significant strides ... comprehensive research efforts, we have achieved milestones in the development of a fuel cell model capable of accurately simulating its performance across a wide range of temperatures and membrane water ... control is to design a suitable control law for the fuel cell stack system under external disturbances and model uncertainties The control law is a combination between an equivalent control and

Ngày tải lên: 11/06/2024, 22:02

... grid voltage can be recovered rapidly without an external STATCOM after fault clearance The generator active power can be absorbed fully by the ESS and the BC during the voltage sags In addition, ... inertia Table Parameters of MW- PMSG Parameter Value Rated power [MW] Grid voltage 690 [V] Stator voltage/frequency 690[V]/60[Hz] Stator resistance 0.008556[] d-axis inductance 0.00359[H] q-axis ... Akhmatov V - Analysis of dynamic behavior of electric power systems with large amount of wind power, Ph.D dissertation, Department of Electrical Power Engineering, Technical University of Denmark, Kongens

Ngày tải lên: 16/05/2020, 00:10

... International Journal of Advanced Robotic Systems ARTICLE Adaptive Backstepping Self-balancing Control of a Two-wheel Electric Scooter Regular Paper Nguyen Ngoc Son1,* and Ho Pham Huy Anh2 Faculty ... self-balancing and yaw control However, a neural network control needs considerable training time, a large amount of memory and they sometimes fall into a local optimum In this paper, an adaptive ... design of stable control applied to a special class of nonlinear dynamic systems A backstepping control method based on the Lyapunov design approach was efficiently applied when there was a higher

Ngày tải lên: 08/11/2022, 14:59

... approach is a fast approximation of Singular Value Decomposition (SVD) Experimental results also demonstrate that this approach enjoys the benefit of nonparametric approaches as well as alleviating ... that A is a real m × n matrix Select a target rank k ≥ and an oversampling parameter p ≥ 2, where k + p ≤ {m, n} Execute the proto-algorithm with a standard Gaussian test matrix to obtain an ... state-dependent) actions A (As ), a dynamical system model comprised a of the transition probabilities Pss specifying the probability of transition to state s from state s under action a, and a

Ngày tải lên: 04/12/2022, 15:01

... request data from the database. These operators make calls to fetch data from the DBMS’ Trans- actional Storage Manager (Figure 1.1, bottom), which man- ages all data access (read) and manipulation ... failure If the data is damaged or otherwise corrupted by hardware... large shared data structure available to all database threads and/or processes When a thread needs a page to be read ... OS threads. [...]... as coarse-grained as full database redundancy nor as fine-grained as chained declustering The shared-nothing architecture is fairly common today, and has unbeatable scalability

Ngày tải lên: 20/02/2014, 05:21

... complex for- mation and ET, by using a heterologous system that consists of cyanobacterial FNR and adrenal bovine Adx. Anabaena PCC 7119 FNR contains a noncovalently bound FAD group and its main physiological ... 1A) , was taking place over a period of time of at least 1000 s and therefore can be analysed under steady- state conditions. Moreover, upon analysing the reaction at shorter time scales an absorbance ... recorded after addition of CYP1 1A1 to an anaerobic CO-saturated sample containing the reaction mixture FNR rd /Adx ox gave rise to a peak at 450 nm together with absorbance decreases at 390, 430 and 480

Ngày tải lên: 31/03/2014, 07:20

... Principal components analysis based control of a multi-dof underactuated prosthetic hand Giulia C Matrone1*, Christian Cipriani2, Emanuele L Secco3, Giovanni Magenes1, Maria Chiara Carrozza2 Abstract ... Principal Components Analysis (PCA) and using common patterns of actuation called eigenpostures [31] Ciocarlie et al [32] used PCA to design an Page of 13 automatic grasp planning system for integration ... Ferrata 1, 27100 Pavia, Italy 2ARTS Lab, Scuola Superiore Sant’Anna, V.le Piaggio 34, 56025 Pontedera (PI), Italy 3EUCENTRE Foundation, Via Ferrata 1, 27100 Pavia, Italy Page 12 of 13 Authors’ contributions

Ngày tải lên: 19/06/2014, 08:20

... Existence of solutions of a new system of gener- alized variational inequalities in Banach spaces Somyot Plubtieng ∗ and Tipphawan Thammathiwat Department of Mathematics, Faculty of Science, Naresuan ... and wrote the article All authors defined the research theme, read and approved the manuscript References 1 Baiocchi, C, Capelo, A: Variational and Quasi -Variational Inequalietis, Application ... and quasiconcave on B for all a ∈ A, then inf a? ? ?A max b∈B p (a, b) = max b∈B inf a? ? ?A p (a, b). Definition 2.6 (KKM mapping). Let K be a nonempty subset of a linear space E. A set-valued mapping

Ngày tải lên: 20/06/2014, 21:20

... the associated matrix A has an eigenvalue λ such that −λ is also an eigenvalue Since A is a × square matrix, this Advances in Difference Equations obviously implies that the trace of A is also an ... Plane ´ Ignacio Bajo,1 Daniel Franco,2 and Juan Peran2 Departamento de Matem´ tica Aplicada II, E.T.S.E Telecomunicaci´ n, a o Universidade de Vigo, Campus Marcosende, 36310 Vigo, Spain Departamento ... mapping a1 /ak , a2 /ak , , ak /ak for a1 , a2 , , ak ∈ Rk with given by q a1 , a2 , , ak k k a1 , a2 , , ak , , it is shown in such ak / and : R → R is given by a1 , a2 , , ak

Ngày tải lên: 21/06/2014, 05:20

... (eberdahl@ccrma.stanford.edu) Claude Cadoz (Claude.Cadoz@imag.fr) Nicolas Castagne (Nicolas.Castagne@imag.fr) ISSN 1687-4722 Article type Research Submission date 20 April 2011 Acceptance date ... instrument Edgar Berdahl ∗ (edgar.berdahl@imag.fr), Claude Cadoz (claude.cadoz@imag.fr) and Nicolas Castagn´e (nico- las.castagne@imag.fr) Association pour la Cr´eation et la Recherche sur les ... For example, Ajay Kapur has designed a robotic drummer that automatically plays along with real human performers, such as sitar play- ers [4]. Similarly, researchers at the Georgia Institute of

Ngày tải lên: 21/06/2014, 17:20

... n →∞ .A? ??xedpointE is a global attractor on a set ᏷ if E is an attractor and ᏷ is a subset of the basin of attraction of E.IfF is differentiable at a? ??xedpointE, and if the Jacobian J F (E) has one ... equilibrium of this system which is the graph of an increasing curve. We show that the stable manifold of this system separates the positive quadrant of initial conditions into basins of attraction of ... dimensional linear fractional c c system of difference equations,... and J F Selgrade, On a system of rational difference equations, c Journal of Difference Equations and Applications

Ngày tải lên: 22/06/2014, 22:20

... variances are equated. A beamforming application is also simulated where the actual angle -of? ??arrival of the signal is 4 ◦ and the initial es- timate is 0 ◦ . Figure 10 shows the convergence of ... with amplitudes which are of the orders of 1/N,1,andN. Hence, the amplitude A can be approximately obtained as A = a ∗ (N +1) 4sinθ s a. (A. 9) O. Kukrer and A. Hocanin 9 The covariance σ XY can ... signal and achieve faster convergence [3, 4]. Also, in certain applica- tions, the filter length required for a satisfactory performance is large. The adaptive IIR filter, also known as the adaptive

Ngày tải lên: 22/06/2014, 23:20

... X, Safa AR: RNA helicase A in the MEF1 transcription factor... 2',5'-oligoadenylate synthesis (2-5OAS) pathway that typically results in RNAseL activation and cleavage of viral doublestranded ... genome-length RNA [5]. Results of in vitro translation assays determined that Gag can modulate translation of a reporter RNA that contains the HIV-1 5' UTR [6]. The translational output of the tran- ... interferon-treated HeLa cells and assays that used... translational control is that an RNA structural motif interacts with viral or cellular protein to modulate balanced levels of structural and

Ngày tải lên: 13/08/2014, 05:21

... tools, assays and experimental design chosen and established herein were designed and characterized to facilitate this determination and preliminary data demonstrated the utility of this approach ... fields of mammalian developmental biology and regenerative medicine A further limitation is a reduced ability to study the molecular mechanisms and sequelae of disease at the cellular ... reprogramming of somatic cells was possible utilizing a genetic approach 1.3 Advantages of direct reprogramming over indirect reprogramming There are several advantages a orded

Ngày tải lên: 24/08/2014, 12:37

... Using a Saturation Feedback Controller, IEEE Trans on Control Systems Technology, Vol 9, No 2, pp 305-318, March 2001 [10]T Fukao, H Nakagawa and N Adachi, Adaptive Tracking Control of a Nonholonomic ... Control, pp 38053810, USA, Dec 1995 [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 ... IEEE Int Conf on Systems, Man, and Cybernetics, Vol V, pp 690-696, 1999 [12] A Tayebi and A Rachid, Backstepping-based Discon-tinuous Adaptive Control Design for the Stabilization of Nonholonomic...

Ngày tải lên: 10/12/2013, 13:16

... Raja Ismail, M .A Ahmad, M.S Ramli, F.R.M Rashidi, Nonlinear Dynamic Modeling and Analysis of a 3-D Overhead Gantry Crane System with Payload Variation, ems, pp.350354, 2009 Third UKSim European ...  sa   a  Caa      (15) where    τ a  M am q rm   M aa q   Cam q rm    Caa q   G a (q) We can be expressed τ m and τ a as in term of a known matrix ω m , ω a and ... Sway angle q (t ) Sway angle f(t ) In this paper, a 5-DOF dynamic model of the 3D overhead crane was developed under the effects of friction forces and the unknown parameters A nonlinear adaptive...

Ngày tải lên: 16/08/2015, 15:47

... Definition A controller, consisting of an adaptation law (2.30), a feedback law (2.31), and an internal model (2.32) is called a universal adaptive tracking controller for the class of systems Σ and ... study of adaptive neural control of uncertain nonlinear systems with unknown nonlinearities, and a great deal of progress has been made both in theory and practical applications The idea of employing ... following intermediate control law and parameter adaptation law as z1 a, 1 ˆT z1 − a, 1 Fa,1 − pa,1 a, 1 tanh( ˆ ) 4k1 ˆ = Γθ1 (Fa,1 z1 − σθ1 a, 1 ) z1 a, 1 = γp1 z1 a, 1 tanh( ) − σp1 pa,1 ˆ α1 = −c1...

Ngày tải lên: 17/09/2015, 17:20

... user a full information for the hardware and software interface The humanoid robot weighs 6kg and stands 48cm tall It has a total of 20 Degree of Freedom (DOF) - DOF each leg and DOF each arm ... fire disaster area, or radiation in the nuclear plant, etc Taking advantage of the advancement in bipedal walking control, several humanoid robots, namely the Honda Asimo (Hirai, 1998) and Sony Qrio ... human joints The slave robot must then have the same kinematic equations as the human arm One advantage of this approach is that it is relatively easy to design an exoskeleton that can track...

Ngày tải lên: 04/10/2015, 10:25

... [19] Hasnain, S.M., Alawaji, S.H., A1 -Ibrahim, A and Smiai, M.S (1999), Application of Thermal Energy Storage in Saudi Arabia International Journal of Energy Research, vol 23, pp 117-124 [20] Zaheer-uddin, ... department of Mechanical Engineering and Materials Science at Washington University in St Louis, MO, USA He is a Fellow of ASME, AIAA, IEEE, and SAE E-mail address: rka@wustl.edu Huijun Gao received ... was created to simulate the temperature of the exterior wall of the room This temperature curve simulated the exterior surface and was assumed to be at a constant value of 320K A 3-D Cartesian...

Ngày tải lên: 05/09/2013, 16:11

... Calcium enhances heparin catalysis of the antithrombin-Factor Xa reaction by a template mechanism: Evidence that calcium alleviates Gla domain antagonism of heparin binding to Factor Xa J Biol ... Heparin cofactor II activation by dermatan sulfate Ann N Y Acad Sci 556, 116–122 60 Maimone MM & Tollefsen DM (1990) Structure of a dermatan sulfate hexasaccharide that binds to heparin cofactor ... to GAGs (Table 1) However, the GAG specificity of HC-II is much less discriminating than that of AT While both heparin ⁄ heparan sulfate and dermatan sulfate GAGs are physiological activators of...

Ngày tải lên: 20/02/2014, 02:21