Results 21 to 30 of about 15,717,904 (337)

Application of flexible recipes for model building, batch process optimization and control [PDF]

open access: yes, 1993
Unlike the traditionally fixed recipes in batch process operation, flexible recipes allow the adjustment of some of its relevant recipe items. These adjustments can either be predefined in cases of planned experimentation, or suggested by a formal ...
Keesman, Karel J.
core   +13 more sources

Dynamic Effect of Input-Voltage Feedforward in Three-Phase Grid-Forming Inverters

open access: yesEnergies, 2020
Grid-connected and grid-forming inverters play essential roles in the utilization of renewable energy. One problem of such a converter system is the voltage deviations in the DC-link between the source and the inverter that can disrupt the inverter ...
Matias Berg, Tomi Roinila
doaj   +1 more source

Direct data-driven control approach of reference shaping for two degree of freedom control

open access: yesSICE Journal of Control, Measurement, and System Integration, 2022
In this study, we propose a novel data-driven approach for control of two degrees of freedom systems. The proposed method uses one-shot experimental data to derive the reference governor for improving control performance.
Motoya Suzuki, Osamu Kaneko
doaj   +1 more source

Training Reflexes Using Adaptive Feedforward Control

open access: yesIEEE Open Journal of Control Systems, 2023
We consider the problem of mixed feedforward and feedback based disturbance rejection, where the feedforward measurement only provides a partial reconstruction of the disturbance.
Erick Mejia Uzeda, Mireille E. Broucke
doaj   +1 more source

Adaptive Feedforward Control of a Pressure Compensated Differential Cylinder

open access: yesApplied Sciences, 2020
This paper presents the design, simulation and experimental verification of adaptive feedforward motion control for a hydraulic differential cylinder. The proposed solution is implemented on a hydraulic loader crane. Based on common adaptation methods, a
Konrad Johan Jensen   +2 more
doaj   +1 more source

Distributed LQG control of a water delivery canal with feedforward from measured consumptions [PDF]

open access: yes, 2012
This work addresses the design of distributed LQG controllers for water delivery canals that include feedforward from local farmer water consumptions. The proposed architecture consists of a network of local control agents, each connected to one of the ...
Lemos, João   +3 more
core   +1 more source

Research on VIENNA rectifier based on optimized feedforward control

open access: yesDianzi Jishu Yingyong, 2018
Based on the traditional average current control voltage loop, this paper proposed an optimized feedforward control scheme. The voltage control loop introduced the load feedforward control and the grid voltage feedforward control to reduce the voltage ...
Dong Feiju, Shao Ruping, Wang Da
doaj   +1 more source

Feedforward Control of Electrical Drives - Rules and Limits

open access: yesAdvances in Electrical and Electronic Engineering, 2011
Nowadays, there are several application in the field of position controlled electric drives, such as high speed cutting, where traditional cascade control structures provide insufficient accuracy.
Michal Malek   +2 more
doaj   +1 more source

An Improved Synchronization Stability Method of Virtual Synchronous Generators Based on Frequency Feedforward on Reactive Power Control Loop

open access: yesIEEE transactions on power electronics, 2021
The synchronization stability of the virtual synchronous generator (VSG) under grid fault is an important issue for maintaining stable operation in the power system.
Xiaoling Xiong, Chao Wu, F. Blaabjerg
semanticscholar   +1 more source

Formal Systems Architectures for Biology [PDF]

open access: yes, 2011
When the word "systems" is used in systems biology, it invokes a variety of assumptions about what defines the subject under investigation, which in turn can lead to divergent research outcomes.
Bradly Alicea
core   +2 more sources

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