Results 21 to 30 of about 163,328 (296)
Journal 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
Analysis of electrical drive speed control limitations of a power take-off system for wave energy converters [PDF]
, 2017 The active control of wave energy converters with oil-hydraulic power take-off systems presents important demands on the electrical drives attached to their pumps, in particular on the required drive accelerations and rotational speeds.
Calvário, Miguel +7 more
core +1 more source
Modelling, control and Pontryagin Maximum Principle for a two-body wave energy device [PDF]
, 2011 Frequency domain analysis is applied to a wave energy device composed by two coaxial axisymmetric bodies. For each frequency optimal damping coefficient values which maximize absorbed power are obtained.
Cândido, J., Justino, Paulo Alexandre
core +1 more source
IET 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
International 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
Innovative solution for reducing the run-down time of the chipper disc using a brake clamp device [PDF]
, 2017 Wood-chippers are widely used machines in the forestry, urban and agricultural sectors. The use of these machines implies various risks for workers, primarily the risk of contact with moving and cutting parts.
Cecchini, Massimo +6 more
core +1 more source
Comparative Analysis of Hybrid Electric Architectures for Specialized Agricultural Tractors
Energies, 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
Energies, 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
Set-based approach to passenger aircraft family design [PDF]
, 2016 Presented is a method for the design of passenger aircraft families. Existing point-based methods found in the literature employ sequential approaches in which a single design solution is selected early and is then iteratively modified until all ...
Guenov, Marin D. +2 more
core +2 more sources
Transmission systems in agricultural tractors marketed in Brazil [PDF]
Ciência 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