Results 21 to 30 of about 14,845,610 (249)
Controller design for load frequency control: Shortcomings and benefits
, 2023 The controller is the key element of a control system to compare the controlled value to the desired value. From the comparison, if any deviation exists, the controller adjusts it.
Mishra, DK +7 more
core +1 more source
Multivariable Repetitive-predictive Controllers using Frequency Decomposition [PDF]
, 2012 Repetitive control is a methodology for the tracking of a periodic reference signal. This paper develops a new approach to repetitive control systems design using receding horizon control with frequency decomposition of the reference signal.
Rogers, E +7 more
core +2 more sources
Friction and Wear Performances of Stainless Steel Archwires After Corrosion in Oral Care Products
LubricantsTo elucidate the corrosion mechanism of orthodontic archwire in fluoride-containing environments, the friction and wear behavior of archwires following corrosion in fluoride-containing oral care products was investigated.
Cong Zhang +3 more
doaj +1 more source
Modelling, Implementation, and Assessment of Virtual Synchronous Generator in Power Systems
Journal of Modern Power Systems and Clean Energy, 2020 As more and more power electronic based generation units are integrated into power systems, the stable operation of power systems has been challenged due to the lack of system inertia. In order to solve this issue, the virtual synchronous generator (VSG),
Meng Chen, Dao Zhou, Frede Blaabjerg
doaj +1 more source
NanomaterialsTo mitigate the adverse effects of immersion in fluoride-containing solutions on the surface corrosion of orthodontic stainless steel archwires, carbon films were fabricated on these archwires under various deposition times and substrate bias voltages ...
Pengfei Wang, Minghui Hao, Shiqi Cheng
doaj +1 more source
Grid Impact of Frequency Regulation Provided by V2Gs Aggregated at HV, MV, and LV Level
IEEE Access, 2023 Vehicle-to-Grid chargers (V2Gs) are currently considered a key component for supporting future power systems in primary and especially secondary frequency regulation.
Marta Bernal-Sancho +4 more
doaj +1 more source
Design of a Fixed IF Down-Conversion Double-Balanced Mixer for UHF Band Applications
SensorsThis paper presents a new SiGe HBT-based high dynamic range double-balanced down-conversion differential mixer. Operating within the 0.5 GHz to 1.8 GHz range, the suggested mixer is appropriate for a variety of applications, such as cellular base ...
Trusha Kared +4 more
doaj +1 more source
Fast frequency response for effective frequency control in power systems with low inertia
The Journal of Engineering, 2019 The increasing penetration of renewable generation has led to the decrease of power systems’ overall inertia, which introduces significant challenges to frequency stability.
Qiteng Hong +8 more
doaj +1 more source
Frequency Modulation Control of an FMCW LiDAR Using a Frequency-to-Voltage Converter
Sensors, 2023 An FMCW LiDAR (frequency-modulated continuous-wave light detection and ranging) is a sensor that can measure distance using optical interference frequency (fb).
Jubong Lee, Jinseo Hong, Kyihwan Park
doaj +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Loneliness is associated with adverse physical and mental health outcomes and remains understudied in children and adolescents undergoing cancer therapy. Pediatric oncology patients may be at increased risk due to medical isolation and disruption of social networks.
Charlotte N. Stahlfeld +5 more
wiley +1 more source