Results 21 to 30 of about 22,219,137 (274)
Input-output linearization and fractional robust control of a non-linear system [PDF]
, 2001 This article deals with the association of a linear robust controller and an input-output linearization feedback for the control of a perturbed and non-linear system.
Oustaloup, Alain +7 more
core +1 more source
Analysis of D-Q small-signal impedance of back-to-back frequency converter
Frontiers in Energy Research, 2023 The back-to-back frequency converter plays a vital role in the formation of the fractional frequency transmission system Despite their numerous advantages, however, impacted by the unique impedance characteristics of power electronics, the wide-band ...
Zhongqi Cai +5 more
doaj +1 more source
Stability of closed-loop fractional-order systems and definition of damping contours for the design of controllers [PDF]
, 2012 Fractional complex order integrator has been used since 1991 for the design of robust control-systems. In the CRONE control methodology, it permits the parameterization of open loop transfer function which is optimized in a robustness context.
Oustaloup, Alain +2 more
core +1 more source
Low-complexity LSMR equalisation of FrFT-based multicarrier systems in doubly dispersive channels [PDF]
, 2011 The discrete fractional Fourier transform (FrFT) has been suggested to enhance performance over DFT-based multicarrier systems when transmitting over doubly-dispersive channels.
Weiss, Stephan +7 more
core +1 more source
Start control of an M^3C-based FFTS
The Journal of Engineering, 2019 The fractional frequency transmission system (FFTS) can multiply increase transmission capacity by using a lower frequency to reduce the reactance of the AC transmission system. The modular multi-level matric converter (M^3C) as the new generation of the
Xiaoliang Zhang +5 more
doaj +1 more source
Event-Triggered State Estimation for Fractional-Order Neural Networks
Mathematics, 2022 This paper is concerned with the problem of event-triggered state estimation for a class of fractional-order neural networks. An event-triggering strategy is proposed to reduce the transmission frequency of the output measurement signals with guaranteed ...
Bingrui Xu, Bing Li
doaj +1 more source
Chirp-based multicarrier modulation [PDF]
, 2012 In this paper we demonstrate that in doubly-dispersive environments, a multicarrier (MC) system based on a fractional Fourier transform (FrFT) can achieve a better concentration of power near the main diagonal of the equivalent channel matrix compared to
Weiss, Stephan +2 more
core +3 more sources
IET Power Electronics, 2022 Based on the modular topology and the traditional voltage‐sourced converter (VSC) model, this paper presents an isolated modular multi‐level AC/AC converter with high‐frequency (HF) link and pulse flip circuit for fractional frequency transmission system
Yongqing Meng +5 more
doaj +1 more source
IET Generation, Transmission & Distribution, 2022 Based on a practical long‐distance large‐capacity transmission engineering case, the small‐signal stability of fractional frequency transmission system (FFTS) with Y‐connected modular multi‐level converter (Y‐MMC) is mainly researched in this paper ...
Yongqing Meng +6 more
doaj +1 more source
A Review of Recent Advances in Fractional-Order Sensing and Filtering Techniques
Sensors, 2021 The present manuscript aims at raising awareness of the endless possibilities of fractional calculus applied not only to system identification and control engineering, but also into sensing and filtering domains.
Cristina I. Muresan +4 more
doaj +1 more source