IMPLEMENTATION OF OPTIMIZED ADAPTIVE CONTROL FUNCTIONS - A PROBLEM IN MULTIVARIATE FUNCTION APPROXIMATION

1963 ◽  
Author(s):  
RICHARD VANCE
Keyword(s):  
Adaptive Control ◽  
Function Approximation ◽  
Multivariate Function ◽  
Control Functions

Function approximation-based sliding mode adaptive control

2008 ◽  
Vol 54 (3) ◽  
pp. 223-230 ◽  
Author(s):  
Yanyang Liang ◽  
Shuang Cong ◽  
Weiwei Shang
Keyword(s):  
Adaptive Control ◽  
Function Approximation ◽  
Sliding Mode

scholarly journals Solutions to Increase PV Hosting Capacity and Provision of Services from Flexible Energy Resources

2020 ◽  
Vol 10 (15) ◽  
pp. 5146
Author(s):  
Hannu Laaksonen ◽  
Chethan Parthasarathy ◽  
Hossein Hafezi ◽  
Miadreza Shafie-khah ◽  
Hosna Khajeh ◽  
...  
Keyword(s):  
Adaptive Control ◽  
Smart Grids ◽  
Reactive Power ◽  
Distribution Network ◽  
Energy Resources ◽  
Related Services ◽  
Control Functions ◽  
Provision Of Services ◽  
Network Operation ◽  
Technical Services

Future smart grids will be more dynamic with many variabilities related to generation, inertia, and topology changes. Therefore, more flexibility in form of several active and reactive power related technical services from different distributed energy resources (DER) will be needed for local (distribution network) and whole system (transmission network) needs. However, traditional distribution network operation and control principles are limiting the Photovoltaic (PV) hosting capacity of LV networks and the DER capability to provide system-wide technical services in certain situations. New active and adaptive control principles are needed in order to overcome these limitations. This paper studies and proposes solutions for adaptive settings and management schemes to increase PV hosting capacity and improve provision of frequency support related services by flexible energy resources. The studies show that unwanted interactions between different DER units and their control functions can be avoided with the proposed adaptive control methods. Simultaneously, also better distribution network PV hosting capacity and flexibility services provision from DER units even during very low load situations can be achieved.

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