Results 21 to 30 of about 508,384 (268)

Robust Cascade Control inside a New Model-Matching Architecture

open access: yesMathematics, 2023
Whenever additional states of a plant can be measured, closing nested feedback loops can be exploited in a variety of ways. The goal here is to reduce the bandwidth of feedback controllers and thus reduce the amplification of sensor noise that can ...
Javier Rico-Azagra   +1 more
doaj   +1 more source

Compliant Joints for the Improvement of the Dynamic Behaviour of a Gantry Stage with Direct Drives

open access: yesJournal of Machine Engineering, 2020
Gantry stages, which consist of two parallel acting servo drives, are commonly used in machine tools. One drawback of this concept is the crosstalk between both drives due to the structural coupling that can cause stability issues and therefore limits ...
Patrick PÖHLMANN   +4 more
doaj   +1 more source

Research on Real-time Intelligent Load Control Technology among Giant Hydropower Station Group under High-intensity Peak-load and Frequency Regulation Demand

open access: yesMATEC Web of Conferences, 2018
The paper conducts an in-depth study on the real-time dispatching involved in joint operation among giant cascade hydropower stations with high-intensity peak-load and frequency regulation demand, and proposes anintelligent load control technology for ...
Luo Wei, Zhong Qingxiang, Gu Faying
doaj   +1 more source

An Improved Whale Optimization Algorithm Based PIDF–(1+PI) Cascade Automatic Generation Control for Multi-Area Multi-Source Power System With Capacitive Energy Storage

open access: yesIEEE Access, 2023
Modern power system has complex composition structure and high stability operation requirements. While the emergence of various new energy sources and the uncertainty of external disturbances bring a great challenge to the Automatic Generation Control ...
Jingfeng Mao   +4 more
doaj   +1 more source

Shareholding Cascades: The Separation of Ownership and Control in Belgium [PDF]

open access: yesSSRN Electronic Journal, 2000
Abstract This paper analyses the control of Belgian listed companies. The analysis reveals that control of listed companies in Belgium is highly concentrated. Business groups, holding companies, and voting pacts play an important role in bringing about this concentration.
Chapelle, Ariane   +2 more
openaire   +7 more sources

Reactor Temperature Compound Control Strategy Based on Disturbance Observer

open access: yesIEEE Access, 2023
A Smith-Dynamic Matrix Control(DMC)-PID(SDP)control method based on disturbance observer is devised for the temperature regulation of a reactor with high lag and nonlinear features. This results in poor system stability and low control precision.
Xiaowei Tang, Bing Xu
doaj   +1 more source

Equivalence Analysis of Cascade Control for a Class of Cascade Integral Systems

open access: yesIEEE Access, 2023
A class of generalized proportional-integral-derivative (PID) control with feedforward compensation (FFC) is obtained for a class of cascade integral systems by equivalence analysis of the cascade control and such the analysis is obtained by using the information of the model and outermost loop feedback.
Ping Lin   +2 more
openaire   +2 more sources

Digital Twin-Based Optimization for Ultraprecision Motion Systems With Backlash and Friction

open access: yesIEEE Access, 2019
A digital twin-based optimization procedure is presented for an ultraprecision motion system with a flexible shaft connecting the motor to the (elastic) load, which is subject to both backlash and friction.
Rodolfo Haber Guerra   +4 more
doaj   +1 more source

Precision Cascade Force Control of Multi-DOF Hydraulic Leg Exoskeleton

open access: yesIEEE Access, 2018
Hydraulic exoskeleton is a kind of the human robot interaction system, which can augment the human performance in the application of heavy load carrying.
Shan Chen, Zheng Chen, Bin Yao
doaj   +1 more source

Carbene-controlled regioselectivity in photochemical cascades

open access: yesOrganic & Biomolecular Chemistry, 2023
The discovery of an efficient regioselective photochemical flow process towards complex polycyclic scaffolds is reported.
Mara Di Filippo, Marcus Baumann
openaire   +2 more sources

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