Technique of optimal vibration control with exponential decay rate and simulation for vehicle active suspension systems is developed. Mechanical model dynamic system a class tracked established the corresponding state space form described. In order to prolong working life improve ride comfort, based on devices using approach, an controller designed. Numerical simulations are carried out, effects ordinary proposed compared. results illustrate effectiveness technique.

A technique for enterprise financial risk optimal control with exponential decay rate and simulation is developed in industry environment. The factors of environment risks to activities are considered, based on the evaluation method taking into both subjectivity objectivity, seven kinds influencing chosen as state variables, dynamical system model established first time. In order reduce activity subjected environment, an average performance index systems. Using approach, vibration controller...

Abstract Technique of approximate optimal vibration control and simulation for vehicle active suspension systems are developed. Considered the nonlinear damping springs, mechanical model a dynamic system class tracked established corresponding state space form is described. To prolong working life improve ride comfort, based on devices using approach, an controller designed, algorithm presented controller. Numerical results illustrate effectiveness proposed technique.

The vibration control problem of offshore jacket platforms is studied. model lumped masses with nonlinear interactions the pile-soil affected by wave load disturbances established. are estimated using Morison equation. Based on successive approximation approach, we propose a feedforward and feedback scheme for platforms. Numerical simulations illustrate effectiveness proposed approach.

Based on the modified Hermitian and skew-Hermitian splitting (MHSS) preconditioned MHSS (PMHSS) methods, a generalized (GPMHSS) method for class of complex symmetric linear systems is presented. Theoretical analysis gives an upper bound spectral radius iteration matrix. From practical point view, we have analyzed implemented inexact GPMHSS (IGPMHSS) iteration, which employs Krylov subspace methods as its inner processes. Numerical experiments are reported to confirm efficiency proposed methods.

Technique of feedforward and feedback optimal vibration control simulation for long-span cable-bridge coupled systems is developed. Buffeting loading structure are constructed by weighted amplitude wave superposition method. Nonlinear model system established the corresponding state space form described. In order to reduce buffeting influence wind-induced improve robust performance control, based on semiactive devices approach, a controller designed, an algorithm presented controller....

Vibration control for the offshore platforms with delayed under irregular wave forces is investigated. By a transformation, original system time delay reduced into free system. The unknown external load disturbances are supposed to be generated by an exosystem which estimated using Morison equation and ocean theory. feedforward feedback optimal active law includes memory term can guarantee performance stability of delay. effectiveness feasibility presented demonstrated numerical example...

The vibration active control problem of offshore jacket platforms with tuned mass damper (TMD) is studied. A single degree freedom (SDOF) nonlinear dynamical model affected by the wave loading disturbances established. Based on sensitivity approach (SA), an approximate optimal controller developed for structures under first time. Numerical simulations illustrate effectiveness proposed controller.

The vibration optimal control with exponential decay rate problem of the offshore jacket platform is studied. An controller designed for system affected by wave load expressed as disturbances produced exosystems. Numerical simulations illustrate effectiveness proposed controller.