Results 21 to 30 of about 477,598 (318)
Research on parameter selection method of gas-charged accumulator
Hangkong gongcheng jinzhan, 2023 Volume and pre-charge gas pressure are the key parameters of the gas-charged accumulator, which are of great influence on its dynamic performance(the output performance of pressure and flow under working conditions).
ZHU Hailong +3 more
doaj +1 more source
Energy Efficiency Comparison of Hydraulic Accumulators and Ultracapacitors
Energies, 2020 Energy regeneration systems are a key factor for improving energy efficiency in electrohydraulic machinery. This paper is focused on the study of electric energy storage systems (EESS) and hydraulic energy storage systems (HESS) for energy regeneration ...
Jorge Leon-Quiroga +4 more
doaj +1 more source
Calculation of design parameters of the bulldozer hydraulic drive [PDF]
Научно-технический вестник Брянского государственного университетаOne of the main parameters of the hydraulic drive for moving the working element of road construction machines is the speed of movement of the hydraulic cylinder piston.
Letopolsky A.B., Teterina I.A.
doaj +1 more source
Analysis of Damping Characteristics of a Hydraulic Shock Absorber
Shock and Vibration, 2021 In the present study, a hydraulic shock absorber is proposed. Since the damper is mainly used in suspension energy recovery system, the damping characteristics of the damper under no-load state are studied in this paper. Structural design is conducted so
Zhifei Wu +3 more
doaj +1 more source
High - speed power hydraulic actuator of reciprocating motion [PDF]
E3S Web of Conferences, 2023 As an object of research in this paper, we use a hydro-mechanical system of high-speed technological equipment with reciprocating movement of the output link on the example of a cyclic perforating press hammer with a force of 1600 kN and a speed of up to
Golubeva Olesya +2 more
doaj +1 more source
IEEE Access, 2018 The relief valve overflowing energy loss is considered impossible to solve. This paper proposes a new type of proportional relief valve (PRV) with a hydraulic energy regeneration unit (HERU) connected to its outlet. The mathematical model of the proposed
Tianliang Lin +3 more
doaj +1 more source
Analysis and Countermeasures of Abnormal Operation of Unloading Circuit [PDF]
E3S Web of Conferences, 2021 Taking the two position two way valve unloading circuit, accumulator unloading circuit, double pump unloading circuit, liquid control sequence valve unloading circuit as examples, the paper analyses the reason of abnormal operation of several hydraulic ...
Mei Xue, Huili Lin, Xiaoli Zheng
doaj +1 more source
Analysis of studies of work processes of energy-saving hydraulic drives and devices of highly loaded technological machines and equipment [PDF]
E3S Web of Conferences, 2023 The analysis of studies of the work processes of energy-saving hydraulic drives and devices was carried out in order to identify effective ways to reduce the dynamic loading and energy intensity of highly loaded technological machines and equipment. When
Popikov Petr +8 more
doaj +1 more source
Applied Sciences, 2020 The hydraulic servo actuator with passive compliance (HPCA) is designed for hydraulically-driven quadruped robots. It is characterized by an accumulator that connects to the piston chamber of the hydraulic cylinder to buffer impact forces between a robot&
Zisen Hua +5 more
doaj +1 more source
Temperature sensitive controller performance of MR dampers [PDF]
, 2009 Magnetorheological (MR) dampers can experience large temperature changes as a result of heating caused by energy dissipation, but control systems are often designed without consideration of this fact.
Batterbee, D., Sims, N.D.
core +1 more source