Results 21 to 30 of about 4,326 (249)

Control Parameters Optimization of Accumulator in Hydraulic Power Take-Off System for Eccentric Rotating Wave Energy Converter

open access: yesJournal of Marine Science and Engineering, 2023
To improve the efficiency and stability of an eccentric rotating wave energy converter (ERWEC), the adaptive hydraulic power-take-off (PTO) system with an accumulator is designed and developed.
Gang Xue   +4 more
doaj   +1 more source

Experimental analyses of two‐body wave energy converters with hydraulic power take‐off damping in regular and irregular waves

open access: yesIET Renewable Power Generation, 2021
A flume experimental study of a two‐body wave energy converter (WEC) with a hydraulic power take‐off (PTO) was conducted under the conditions of both regular and irregular waves.
Shuang Wu, Yanjun Liu, Jian Qin
doaj   +1 more source

Modeling Simulation and Validation of a Tractor Wet Clutch Controlled by Proportional Valve

open access: yesInternational Journal of Automotive Science and Technology, 2021
Wet clutch is a widely used machine element in the agricultural machines be-cause it allows the transmission of high torque with a more user-friendly turn on/off.
Ali Yel, Haydar Li̇vatyalı
doaj   +1 more source

Comparative Analysis of Hybrid Electric Architectures for Specialized Agricultural Tractors

open access: yesEnergies, 2022
In this work, a comparative numerical analysis between the performance of a conventional specialized orchard tractor and those of three different hybrid electric tractor configurations is presented.
Francesco Mocera   +2 more
doaj   +1 more source

An Improved Hydraulic Energy Storage Wave Power-Generation System Based on QPR Control

open access: yesEnergies, 2023
According to the inherent characteristics of the hydraulic power take-off (PTO) system, the output power of a generator tends to be intermittent when the wave is random.
Zhigang Liu   +5 more
doaj   +1 more source

Transmission systems in agricultural tractors marketed in Brazil [PDF]

open access: yesCiência Rural, 2021
: In a tractor, the transmission system transmits the power generated in the engine to the driving wheels, hydraulic systems, and power take-off (PTO).
Daniela Herzog   +4 more
doaj   +1 more source

Dynamic performance of key components for hydraulic power take‐off of the wave energy converter [PDF]

open access: yesIET Renewable Power Generation, 2019
Since the input power of the real waves varies continuously and periodically, how to stabilise the operation and generation during wave energy utilisation has become an inevitable and significant topic. This study focuses on the wave energy converter of a hydraulic power take‐off (HPTO) connected to a pendulum and studies the influences of the key ...
Chen Qijuan   +5 more
openaire   +1 more source

Modeling Innovative Power Take-Off Based on Double-Acting Hydraulic Cylinders Array for Wave Energy Conversion

open access: yesEnergies, 2015
One of the key systems of a Wave Energy Converter for extraction of wave energy is the Power Take-Off (PTO) device. This device transforms the mechanical energy of a moving body into electrical energy.
Juan Carlos Antolín-Urbaneja   +5 more
doaj   +1 more source

Generating The Electrical Energy from Sea Waves [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2019
The wide coverage and the untapped tremendous energy amount stored by the oceans makes the harness of ocean waves for electricity-generating is promising. Most techniques of wave energy converters (WECs) include a pneumatic or hydraulic interface between
H. El-Mors, Z. Ismail, Ahmed Sherif
doaj   +1 more source

Design, Optimization and Evaluation of a New Cylinder Attachment Geometry to Improve the Hopping Height of the Bionic One-Legged Robot

open access: yesApplied Sciences, 2021
Due to the high power-to-weight ratio and robustness, hydraulic cylinders are widely used in the actuation area of the legged robot systems. Most of these applications are focused on the motion stability, gait planning, and impedance control.
Donglai Zhao   +4 more
doaj   +1 more source

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