Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 106 for “"linear dynamic"”.
-
Non-linear dynamic modeling using component mode synthesis
Dynamic simulations provide insight into the operation of complex mechanisms under dynamic loading conditions. These types of analyses are important to understand design margins and assure that a product meets its functional requirements during all operational environments. Rigid body dynamic …
-
Asymptotic orders of reachability in linear dynamic systems
Thesis (Elec. E)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1987.
-
A failure detection algorithm for linear dynamic systems
Thesis (Sc.D.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1985.
-
Learning augmented recursive estimation for unceratin non-linear dynamic systems
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.
-
Algorithms for the Identification of the Parameters of Linear Dynamic Systems
Made available in DSpace on 2014-12-10T19:06:59Z (GMT). No. of bitstreams: 1 7219844.pdf: 1539163 bytes, checksum: 86f458158a08f467cc547b9485aa2433 (MD5) Previous issue date: 1972
-
Model order reduction of linear dynamic systems with application to power system control
An approach for approximating linear time-invariant system models of high order by simplified models of low order is developed. The problem of approximating systems having no unstable modes is investigated first. An iterative scheme for minimizing a quadratic fractional of the error between the …
-
Non-linear Dynamic Transformer Modelling and Optimum Control Design of Switched-mode Power Supplies
… model-based controller design. Therefore, a non-linear dynamic model, which allows an accurate representation of both linear dynamics and non-linear core behaviour in a practical transformer, is proposed. The parameters of the proposed transformer model are obtained using time-domain system …
-
Adaptive methods for linear dynamic systems in the frequency domain with application to global optimization
… is developed that capitalizes on any presence of dynamic uncoupling between modifications. The net effect of this work is to allow designers and researchers to develop new dynamic systems and perform analyses faster and more efficiently than ever before.
-
Robust recursive estimation of the state of a discrete-time stochastic linear dynamic system in the presence of heavy-tailed observation noise
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mathematics, 1989.
-
Análise dinâmica linear de cascas axissimétricas com um elemento finito curvo
Linear dynamic analysis based on the theories of LOVE and FLÜGGE is presented for axisymmetric thin shells under the action of arbitrary loads including temperature effects. The general equilibrium equations and the corresponding boundary conditions are obtained from the Principle of Virtual work. …
-
Linearization of a pulse width modulated power amplifier
… The challenge of this architecture is creating linear dynamic range. In simulations, feedback improved the pulse width modulated power amplifier linear dynamic range to 23dB.
-
Nonlinear Dynamics of Electrostatically and Magnetically Actuated MEMS
… for MEMS a challenging area. Besides, the non-linear coupling between the different physical domains in MEMS can give rise to interesting non-linear dynamic properties. These non-linear dynamic/chaotic properties of MEMS can be exploited for various applications like chaotic micro-fluidic …
-
Global dynamic optimization
… the exact state bounds for the solution of a linear dynamic system. Given a nonzero tolerance, the method is rigorously shown to converge to the global solution in a finite time. An implementation is developed, and via a collection of case studies, the technique is shown to be very efficient …
-
Optimal nonlinear control and estimation using global domain linearization
… continuous sensory-motor signals. Sensorimotor dynamics are well-represented by nonlinear differential equations. A possible construction of symbols could be based on equilibria. Language is a symbol system and is one of the highest expressions of cognition. Much of this comes from spatial …
-
Vibrações de estruturas aporticadas espaciais estaiadas
A numerical tool for geometric nonlinear static and linear dynamic analysis of stayed spatial frame structures is presented. The numerical procedures and modelling technics are developed towards near future analysis of long span stayed bridges. The developed approach mapes use of well established …
-
Neural network enhanced self tuning adaptive control application for non-linear control of dynamic systems
… of neutral networks to control uncertain and non-linear control systems. This involves the control of continuous time, discrete time, hybrid and stochastic systems with input, state or output constraints by ensuring good performances. A great part of this project is devoted to the opening of …
-
Um estudo sobre métodos de integração direta para a análise dinâmica não-linear de estruturas
… aspects of direct integration algorithms for non-linear dynamic analysis by the Finite Element Method. Included here are the Newmark Method, the Central Difference Method and also the treatment of the non-linear terms as pseudo-forces. Some criteria based on energy conservation concepts which are …
-
A técnica da linearização equivalente no cálculo da resposta permanente de plataformas marítimas fixas
… of this work is to present the equivalent linearization technique as well as to analyse such approximation in order to obtain the steady state response of fixed offshore platforms under cyclic loads. The linearization is applied to local non linearity arising from hysteretic soil structure …
Page 1 of 6