Research on unmanned aerial vehicle modeling and control based on intelligent algorithms
Advances in Mechanical Engineering, 2019 This article designs an automatic flight control system for an unmanned aerial vehicle helicopter. The differential evolution intelligent algorithm is used for a state-space model identification; the differential evolution method has an advantage of ...
Peng Liu +4 more
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Loop Shaping-Based Attitude Controller Design and Flight Validation for a Fixed-Wing UAV
DronesThis study presents a loop-shaping methodology for the attitude control of a fixed-wing unmanned aerial vehicle (UAV). The proposed controller design focuses on achieving desired frequency–domain characteristics—such as specified phase and gain margins ...
Nai-Wen Zhang, Chao-Chung Peng
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Quantization Noise Shaping for Information Maximizing ADCs
, 2013 ADCs sit at the interface of the analog and digital worlds and fundamentally determine what information is available in the digital domain for processing.
Redfern, Arthur J., Shi, Kun
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Loop Shaping with Scaled Relative Graphs
, 2022 The Scaled Relative Graph (SRG) is a generalization of the Nyquist diagram that may be plotted for nonlinear operators, and allows nonlinear robustness margins to be defined graphically. This abstract explores techniques for shaping the SRG of an operator in order to maximize these robustness margins.
Chaffey, Thomas +2 more
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A loop structure allows TAPBPR to exert its dual function as MHC I chaperone and peptide editor
eLife, 2020 Adaptive immunity vitally depends on major histocompatibility complex class I (MHC I) molecules loaded with peptides. Selective loading of peptides onto MHC I, referred to as peptide editing, is catalyzed by tapasin and the tapasin-related TAPBPR.
Lina Sagert +3 more
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Torque Ripple Minimization in a Switched Reluctance Drive by Neuro-Fuzzy Compensation
, 2000 Simple power electronic drive circuit and fault tolerance of converter are specific advantages of SRM drives, but excessive torque ripple has limited its use to special applications.
Branco, P. J. Costa +4 more
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H-Infinity Loop-Shaping Controller for Load Frequency Control of a Deregulated Power System
, 2016 Load frequency control is an essential component of Automatic Generation Control of power systems. Deregulated power system isa highly complex and uncertain system because of multiple bilateral transactions taking place.
R. Davidson, S. Ushakumari
semanticscholar +1 more source
The Caltech helicopter control experiment [PDF]
, 1996 This report describes the Caltech helicopter control experiment. The experiment consists of an electric model helicopter interfaced to and controlled by a PC. We describe the hardware and software.
van Nieuwstadt, Michiel, Zhu, Xiaoyun
core
A Robust H∞ Controller for an UAV Flight Control System
The Scientific World Journal, 2015 The objective of this paper is the implementation and validation of a robust H∞ controller for an UAV to track all types of manoeuvres in the presence of noisy environment. A robust inner-outer loop strategy is implemented.
J. López +3 more
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Controlled Lagrangians and the stabilization of mechanical systems. I. The first matching theorem [PDF]
, 2000 We develop a method for the stabilization of mechanical systems with symmetry based on the technique of controlled Lagrangians. The procedure involves making structured modifications to the Lagrangian for the uncontrolled system, thereby constructing the
Bloch, Anthony M. +2 more
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