Results 21 to 30 of about 327,715 (248)
Command Transmission In Power Control Centers [PDF]
SPIE Proceedings, 1987 Se presenta un estudio sobre seguridad en la transmisión de comandos en sistemas complejos. El objetivo principal es garantizar tasas de error menores de los límites recomendados por las organizaciones internacionales, manteniendo la ocupación canal de comunicación lo más bajo posible.
Luque Rodríguez, Joaquín +1 more
openaire +3 more sources
Research On Active Power Online Optimal Control for Hydrostatic Transmission Wind Turbine
IEEE Access, 2022 Wind has been admitted as one of the most promising renewable energy resources in multinational regionalization policies. However, due to the randomness and volatility of wind energy and the rigid transmission of traditional wind turbines, it is ...
Gao Wei +4 more
doaj +1 more source
IEEE Access, 2022 In order to optimize the energy efficiency and action coordination of negative control excavators, a secondary control circuit of main valve is proposed, which sets an electric proportional pressure reducing valve between joystick-pilot valve and main ...
Wenbo Fu +3 more
doaj +1 more source
Compound Impedance Control of a Hydraulic Driven Parallel 3UPS/S Manipulator
Chinese Journal of Mechanical Engineering, 2020 The hydraulic parallel manipulator combines the high-power density of the hydraulic system and high rigidity of the parallel mechanism with excellent load-carrying capacity.
Lihang Wang +3 more
doaj +1 more source
Research on modelling and simulation of a new variable displacement oil pump
The Journal of Engineering, 2018 A new variable displacement oil pump has been modelled and simulated by using AMESim. Through the comparison and analysis of the simulation curve and the test data of this pump, it is found that the volume efficiency of it is unsatisfactory when the ...
Wei Zhang +5 more
doaj +1 more source
Research on Maneuverability Optimization of Negative Control Excavator
IEEE Access, 2022 In order to improve the swing braking stability and flow distribution characteristics of negative control excavator, this paper proposes a hybrid electro-hydraulic main valve, which sets a pressure reducing valve in each of the two control chambers of ...
Wenbo Fu +3 more
doaj +1 more source
Joint generation and voyage scheduling for photovoltaic integrated all-electric ships
The Journal of Engineering, 2019 with the onboard diesel generators and energy storage system to meet the propulsion and service load, the all-electric ship (AES) can be viewed as a ‘mobile microgrid’.
Sidun Fang +3 more
doaj +1 more source
IET Generation, Transmission & Distribution, 2021 Voltage source converter‐based DC systems face severe overcurrent problem under DC line faults, which causes significant influence on security, reliability and stability of the power system. As the theoretical basis for relay coordination and protection,
Zhengguang Xiao +6 more
doaj +1 more source
Actuators, 2023 Motion control of truck-mounted concrete pump booms is an important part of concrete construction work. The quality of the boom movement will affect the efficiency and safety of construction operations.
Huiming Bao +5 more
doaj +1 more source
Enhanced Grid-Connected Phase-Locked Loop Based on a Moving Average Filter
IEEE Access, 2020 Moving average filter (MAF)-based phase-locked loops (PLLs) have received considerable attention in recent years due to their attractive features. Indeed, they are able to completely eliminate the unwanted effect of harmonics, dc offset, and unbalanced ...
Cong Liu +3 more
doaj +1 more source