Tesis sobre el tema "Time delayed feedback control (TDFC)"
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Al-Mousa, Amjed A. "Control of Rotary Cranes Using Fuzzy Logic and Time-Delayed Position Feedback Control". Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/36024.
Texto completoMaster of Science
Kurudamannil, Jubal J. "Improved Robust Stability Bounds for Sampled Data Systems with Time Delayed Feedback Control". The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1419012522.
Texto completoYamasue, Kohei. "Studies on time-delayed feedback control of chaos and its application to dynamic force microscopy". 京都大学 (Kyoto University), 2007. http://hdl.handle.net/2433/136231.
Texto completoMasoud, Ziyad Nayif. "A Control System for the Reduction of Cargo Pendulation of Ship-Mounted Cranes". Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/26022.
Texto completoPh. D.
Perreira, Das Chagas Thiago. "Stabilization of periodic orbits in discrete and continuous-time systems". Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00852424.
Texto completoOmar, Hanafy M. "Control of Gantry and Tower Cranes". Diss., Virginia Tech, 2003. http://hdl.handle.net/10919/26044.
Texto completoPh. D.
Henry, Ryan J. "Cargo Pendulation Reduction on Ship-Mounted Cranes". Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/10037.
Texto completoMaster of Science
Cooman, Peter. "Nonlinear Feedforward-Feedback Control of an Uncertain, Time-delayed Musculoskeletal Arm Model for use in Functional Electrical Stimulation". Case Western Reserve University School of Graduate Studies / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=case1386229121.
Texto completoKratz, Jonathan L. "Robust Control of Uncertain Input-Delayed Sample Data Systems through Optimization of a Robustness Bound". The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1429149093.
Texto completoKhůlová, Jitka. "Stabilita a chaos v nelineárních dynamických systémech". Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-392836.
Texto completoKhristenko, Ustim. "Méthodes mathématiques et numériques pour la modélisation et le calcul des états établis cycliques en mécanique non-linéaire". Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLX001.
Texto completoThis work is focused on fast techniques for computing the steady cyclic states of evolution problems in non-linear mechanics with space and time periodicity conditions. This kind of problems can be faced, for instance, in the beating heart modeling. Another example concerns the rolling of a tyre with periodic sculptures, where the cyclic state satisfies "rolling" periodicity condition, including shifts both in time and space. More precisely, the state at any point is the same that at the corresponding point observed at the next sculpture one time period ago.Direct solvers for such problems are not very convenient, since they require inversion of very large matrices. In industrial applications, in order to avoid this, such a cyclic solution is usually computed as an asymptotic limit of the associated initial value problem with arbitrary initial data. However, when the relaxation time is high, convergence to the limit cycle can be very slow. In such cases nonetheless, one is not interested in the transient solution, but only in a fast access to the limit cycle. Thus, developing methods accelerating convergence to this limit is of high interest. This work is devoted to study and comparison of two techniques for fast calculation of the space-time periodic solution.The first is the well-known Newton-Krylov shooting method, looking for the initial state, which provides the space-time periodic solution. It considers the space-time periodicity condition as a non-linear equation on the unknown initial state, which is solved using Newton-Raphson technique. Since the associated Jacobian can not be expressed explicitly, the method uses one of the matrix-free Krylov iterative solvers. Using information stored while computing the residual to solve the linear system makes its calculation time negligible with respect to the residual calculation time. On the one hand, the algorithm is a shooting method, on the other side, it can be considered as an observer-controller method, correcting the transient solution after each cycle and accelerating convergence to the space-time periodic state.The second method, considered in this work, is an observer-controller type modification of the standard evolution to the limit cycle by introducing a feedback control term, based on the periodicity error. The time-delayed feedback control is a well-known powerful tool widely used for stabilization of unstable periodic orbits in deterministic chaotic systems. In this work the time-delayed feedback technique is applied to an a priori stable system in order to accelerate its convergence to the limit cycle. Moreover, given the space-time periodicity, along with the time-delay, the feedback term includes also a shift in space. One must then construct the gain operator, applied to the periodicity error in the control term. Our main result is to propose and to construct the optimal form of the gain operator for a very general class of linear evolution problems, providing the fastest convergence to the cyclic solution. The associated control term can be mechanically interpreted.Efficiency of the method increases with the problem's relaxation time. The method is presented in a simple predictor-corrector form, where correction is explicit and numerically cheap. In this later form, the feedback control has been also adapted and tested for a nonlinear problem.The discussed methods have been studied using academic applications and they also have been implemented into the Michelin industrial code, applied to a full 3D tyre model with periodic sculpture in presence of slip-stick frictional contact with the soil, and then compared to the standard asymptotic convergence
Yu, Shin-Chiuan y 余心權. "Optimal Time-Delayed Direct Acceleration Output Feedback Control of Discrete-Time Systems". Thesis, 2001. http://ndltd.ncl.edu.tw/handle/12353782309432950513.
Texto completoChen, Jyun-Yuan y 陳俊元. "Decentralized State Feedback Control of Complex Uncertain Time-delayed System". Thesis, 2009. http://ndltd.ncl.edu.tw/handle/40472160778694819308.
Texto completo國立高雄應用科技大學
電機工程系
97
The problem of designing decentralized state feedback controller for a class of complex uncertain time-delay systems is studied in this thesis. Based on the new Lyapunov-Krasovskii functional adopted in [14], and the lemmas in the litarature [4, 11], we offer an alternated design method. A less conservative delay- independent linear matrix inequality (LMI) criterion is obtained compared to the litarature. We also design a state feedback controller such that the closed -loop uncertain system is asymptotically stable and also guarantees an -norm bound constraint on the disturbance attenuation for all admissible uncertainties. At the end of each subsection, practical examples are given to illustrate the effectiveness of the proposed approach.
Lu, Kuo-Haw y 呂國華. "Optimal Time-delayed Direct Output Feedback Control of tructural Systems". Thesis, 1993. http://ndltd.ncl.edu.tw/handle/00005638364627134380.
Texto completoLoewenich, Clemens von [Verfasser]. "Zeitverzögerte Rückkopplungskontrolle torsionsfreier periodischer Orbits = Controlling torsion-free periodic orbits by time-delayed feedback control / von Clemens von Loewenich". 2010. http://d-nb.info/1001484533/34.
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