نتایج جستجو برای: fractional order control

تعداد نتایج: 2176850  

Journal: :Fractal and fractional 2023

Currently, a two-level voltage source inverter (2L-VSI) is regarded as the cornerstone of modern industrial applications. However, control VSIs challenging task due to their nonlinear and time-varying nature. This paper proposes employing fractional-order controller (FOC) improve performance model-free predictive (MFPC) 2L-VSI in uninterruptible power supply (UPS) In conventional MFPC based on ...

Journal: :Iet Control Theory and Applications 2023

This paper proposes an adaptive observer-based scheme to control fractional-order chaotic micro-electro-mechanical-systems (MEMS). The model of a system exhibits the dynamic behaviour physical more accurately than similar integer-order one. An considering unknown parameters is presented for micro-electro-mechanical-system. To handle existence parameters, law consists both estimated and also sta...

2010
Mohammed Salah Abd-Elouahab Nasr-Eddine Hamri Junwei Wang

Fractional-order financial system introduced by W.-C. Chen 2008 displays chaotic motions at order less than 3. In this paper we have extended the nonlinear feedback control in ODE systems to fractional-order systems, in order to eliminate the chaotic behavior. The results are proved analytically by applying the Lyapunov linearization method and stability condition for fractional system. Moreove...

2015
Abhaya Pal Singh Himanshu Agarwal

In this paper we propose a Fractional Order Controller for an under-actuated system (POAC). This system has two degrees-of-freedom and one control input. The model of the system is derived using Euler Lagrange method and the stabilization is achieved with constraints using Fractional Order Controller. To validate the control law, simulation are performed and compared with Integer Order Controll...

In this article, we develop the distributed order fractional hybrid differential equations (DOFHDEs) with linear perturbations involving the fractional Riemann-Liouville derivative of order $0 < q < 1$ with respect to a nonnegative density function. Furthermore, an existence theorem for the fractional hybrid differential equations of distributed order is proved under the mixed $varphi$-Lipschit...

Journal: :International Journal of Differential Equations 2012

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