Now showing items 21-30 of 2660
Optimal linear control driven for piezoelectric non-linear energy harvesting on non-ideal excitation sourced
Non-linear energy harvesting system was project to enhance interaction to ambient vibration that is wide band and low power which difficult the design for resonant solution. To improve efficiency of a non-linear design it ...
Estabilização de sistemas fuzzy T-S incertos usando realimenta̧ão derivativa
In some practical problems, for instance, in the suppression of vibration in mechanical systems, the state-derivative signals are easier to obtain than the state signals. Thus, a method for state-derivative feedback design ...
Fixed-point DSP implementation of nonlinear H(infinity) controller for large gap electromagnetic suspension system
(PERGAMON-ELSEVIER SCIENCE LTD, 2009)
Electromagnetic suspension systems are inherently nonlinear and often face hardware limitation when digitally controlled. The main contributions of this paper are: the design of a nonlinear H(infinity) controller. including ...
Kinematic nonlinear controller for a miniature helicopter via Lyapunov techniques
This work proposes a kinematic nonlinear controller for an autonomous miniature helicopter that generates saturated reference velocity commands for accurate waypoint trajectory tracking. The control law design is based on ...
Remarks on an Optimal Linear Control Design Applied to a Nonideal and an Ideal Structure Coupled to an Essentially Nonlinear Oscillator
(Asme-amer Soc Mechanical Eng, 2013)
On the response at the excitation frequency of a two degrees of freedom nonlinear oscillator
This paper presents an overview of the main theoretical advances and experimental analyses, achieved by the authors in recent years of collaborative research in the field of nonlinear dynamics of coupled oscillators. The ...
Parametric uncertainty and disturbance attenuation in the suboptimal control of a non-linear electrochemical process
(John Wiley & Sons Ltd, 2007-12)
The optimal control of the hydrogen evolution reactions is attempted for the regulation and change of setpoint problems, taking into account that model parameters are uncertain and I/O signals are corrupted by noise. ...
A comparative study between two relaxed LMI-based fuzzy control designs
A comparative study, with theoretical analysis and digital simulations, of two conditions based on LMI for the quadratic stability of nonlinear continuous-time dynamic systems, described by Takagi-Sugeno fuzzy models, are ...
Nonlinear Control of a Buck Converter Feeding a Constant Power Load
(Institute Of Electrical And Electronics Engineers, 2014-08)
In this paper a nonlinear control strategy for controlling a dc/dc Buck converter feeding a constant power load is proposed. A feedback controller is combined with a feedforward strategy. A nonlinear reduced order observer ...