Review of innovative design and application of hydraulic compressed air energy storage technology

B Yang, D Li, Y Zhang, X Fu, H Wang, R Gong… - Journal of Energy …, 2024 - Elsevier
Owing to the rapid increase in the scale of grid connections of uncertain energy sources,
such as wind and solar, the regulation capacity of grids has been challenged, and the …

Supramammillary regulation of locomotion and hippocampal activity

JS Farrell, M Lovett-Barron, PM Klein, FT Sparks… - Science, 2021 - science.org
Locomotor speed is a basic input used to calculate one's position, but where this signal
comes from is unclear. We identified neurons in the supramammillary nucleus (SuM) of the …

A novel hydraulic transmission solution to large offshore wind turbine: Design and control strategy

F Wang, J Chen, M Cheng, B Xu - Ocean Engineering, 2022 - Elsevier
As a comparative solution to gearbox transmission, the hydrostatic transmission has
potential to improve offshore wind turbine reliability. However, drivetrain efficiency of …

A novel collaborative control algorithm for maximum power point tracking of wind energy hydraulic conversion system

L Chen, J Li, L Zhang, W Gao, C Ai, B Ding - Wind Energy, 2023 - Wiley Online Library
Wind has been admitted as one of the most promising renewable energy resources in
multinational regionalization policies. However, the energy conversion and utilization are …

Nie–Tan fuzzy method of fault‐tolerant wind energy conversion systems via sampled‐data control

N Gunasekaran, YH Joo - IET Control Theory & Applications, 2020 - Wiley Online Library
In this study, the stabilisation of fault‐tolerant control problem for the variable speed wind
turbine (VSWT) model has been investigated with actuator faults by incorporating a Takagi …

Sensorless maximum power extraction control of a hydrostatic tidal turbine based on adaptive extreme learning machine

X Yin, X Zhao - IEEE Transactions on Sustainable Energy, 2019 - ieeexplore.ieee.org
In this paper, a hydrostatic tidal turbine (HTT) is designed and modeled, which uses more
reliable hydrostatic transmission to replace existing fixed ratio gearbox transmission. The …

Design and implementation of an intelligent digital pitch controller for digital hydraulic pitch system hardware-in-the-loop simulator of wind turbine

VL Narayanan, R Ramakrishnan - International Journal of Green …, 2021 - Taylor & Francis
Digital hydraulics is a potential technology for the Hydraulic Pitch System (HPS) in Wind
Turbine (WT). Digital Hydraulics Pitch System (DHPS) uses Digital Flow Control Units …

Application of the feedback linearization in maximum power point tracking control for hydraulic wind turbine

C Ai, W Gao, Q Hu, Y Zhang, L Chen, J Guo, Z Han - Energies, 2020 - mdpi.com
Taking the hydraulic wind turbine as the research object, the method is studied to improve
the utilization ratio of wind energy for hydraulic wind turbine, when the wind speed is lower …

Challenges with respect to control of digital displacement hydraulic units

NH Pedersen, P Johansen, TO Andersen - 2018 - mic-journal.no
This paper investigates the many complications arising when controlling a digital
displacement hydraulic machine with non-smooth dynamical behavior. The digital hydraulic …

Feedback control of pulse-density-modulated digital displacement transmission using a continuous approximation

NH Pedersen, P Johansen… - … /ASME Transactions on …, 2020 - ieeexplore.ieee.org
Feedback control of digital displacement machines is complicated due to the nonsmooth
digital behavior. Full-stroke operated digital displacement machines are characterized by …