Nonlinear object

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Summary of Doctoral Thesis Electrical: Adaptive dynamic surface trajectory tracking control for the four-wheeled omnidirectional mobile robot

Research Objective: Research and propose a novel adaptive trajectory tracking algorithm for FWOMR ‘s nonlinear uncertain model which is influenced by the change of robot parameters and the effect of noise when operating on another plane. Construct the physical model of FWOMR and the controller based on the microchip and embedded programming technique to experiment with the proposed algorithms.

27p extraenglish 24-05-2021 27 7 Download

Summary of Doctoral Thesis in Solid Mechanics: Analysis of nonlinear vibrations by weighted averaging approach

The objectives of the thesis: The thesis has developed a technique by combining the equivalent linearization method and the weighted averaging value to analyze the responses of some undamped free nonlinear vibrations.

31p extraenglish 24-05-2021 14 3 Download

Abstract of doctoral thesis in physics: Study of spontaneous symmetry breaking in some nonlinear optical systems

The studied object is the Kerr nonlinear optical systems and optical resonator tworing systems linear coupling with the presence of linear gain and nonlinear loss.

26p prisonbreak123 21-05-2021 12 4 Download
Dissertation summary: Determination of nonlinear heat transfer laws and sources in heat conduction

Research objectives: Using boundary integral observations or observations on a part of the boundary instead of point-wise observations are new approaches to setting the inverse problem and have physical and practical meanings.

27p change03 06-05-2016 47 6 Download
Dissertation summary: Redundancy of bridges in Vietnam

Research objectives: To form a direct, simple and easy-to-use methodology to determine the redundancy of bridge’s structure. Form a finite element method in order to take into account the nonlinear behavior of the structure, when one or some of the main structure part is failure.

19p change03 06-05-2016 53 1 Download
Tóm tắt Luận án Tiến sĩ: Researching and building model predictive control algorithms for continuous nonlinear object

The aim of the dissertation is study and propose a new algorithm for solving the optimal problem in nonlinear model predictive control MIMO system.

28p change01 05-05-2016 37 3 Download
Đề tài " Existence of conformal metrics with constant Qcurvature "

Given a compact four dimensional manifold, we prove existence of conformal metrics with constant Q-curvature under generic assumptions. The problem amounts to solving a fourth-order nonlinear elliptic equation with variational structure. Since the corresponding Euler functional is in general unbounded from above and from below, we employ topological methods and min-max schemes, jointly with the compactness result of [35]. 1.

48p dontetvui 17-01-2013 59 7 Download