Hybrid control strategy applied to chaos synchronization: new control design and stability analysis

2017 ◽  
Vol 6 (2) ◽  
pp. 809-816 ◽  
Author(s):  
Alireza Alfi ◽  
Ali Akbarzadeh Kalat ◽  
Farzaneh Farrokhnejad
Keyword(s):  
Stability Analysis ◽  
Control Strategy ◽  
Chaos Synchronization ◽  
Hybrid Control ◽  
Control Design

Application of Combined Feedforward and Feedback Controller With Shaped Input to Benchmark Problem

2010 ◽  
Vol 132 (2) ◽  
Author(s):  
Young Joo Shin ◽  
Peter H. Meckl
Keyword(s):  
Feedback Control ◽  
Control Strategy ◽  
Control Strategies ◽  
Control Design ◽  
Single Frequency ◽  
Benchmark Problems ◽  
Control Force ◽  
Benchmark Problem ◽  
Advantages And Disadvantages ◽  
Robust Control Design

Benchmark problems have been used to evaluate the performance of a variety of robust control design methodologies by many control engineers over the past 2 decades. A benchmark is a simple but meaningful problem to highlight the advantages and disadvantages of different control strategies. This paper verifies the performance of a new control strategy, which is called combined feedforward and feedback control with shaped input (CFFS), through a benchmark problem applied to a two-mass-spring system. CFFS, which consists of feedback and feedforward controllers and shaped input, can achieve high performance with a simple controller design. This control strategy has several unique characteristics. First, the shaped input is designed to extract energy from the flexible modes, which means that a simpler feedback control design based on a rigid-body model can be used. In addition, only a single frequency must be attenuated to reduce residual vibration of both masses. Second, only the dynamics between control force and the first mass need to be considered in designing both feedback and feedforward controllers. The proposed control strategy is applied to a benchmark problem and its performance is compared with that obtained using two alternative control strategies.

Control Strategy and Stability Analysis of Impedance Isolated Medium Voltage UPS in Off-grid Operation

2021 ◽  
Author(s):  
Ganghua Zhang ◽  
Yaoyao Xiao ◽  
Mingyu Han ◽  
Wenping Zuo ◽  
Meng Zhou ◽  
...  
Keyword(s):  
Stability Analysis ◽  
Control Strategy ◽  
Medium Voltage ◽  
Grid Operation

The CRONE Suspension: Modelling and Stability Analysis

2003 ◽  
Author(s):  
Xavier Moreau ◽  
Olivier Altet ◽  
Alain Oustaloup
Keyword(s):  
Stability Analysis ◽  
Transfer Function ◽  
Design Methodology ◽  
Control Design ◽  
Internal Stability ◽  
Function Modelling ◽  
Robust Control Design ◽  
Force Displacement ◽  
Crone Suspension ◽  
Transfer Function Modelling

The CRONE suspension, French acronym of “suspension a` Comportement Robuste d’Ordre Non Entier”, results from a traditional suspension system whose spring and damper are replaced by a mechanical and hydropneumatic system defined by a fractional (so-called non-integer) order force-displacement transfer function. Modelling, frequency-domain robust control design methodology and internal stability analysis are presented in this paper.

scholarly journals Experimental investigation of T-foil hybrid control strategy for ship motion reduction in head seas

2022 ◽  
Vol 243 ◽  
pp. 110251
Author(s):  
Yichen Jiang ◽  
Junyu Bai ◽  
Shijie Liu ◽  
Zhi Zong ◽  
Peng Li
Keyword(s):  
Experimental Investigation ◽  
Control Strategy ◽  
Hybrid Control ◽  
Ship Motion
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