Results 41 to 50 of about 638,968 (154)
Present Status and Prospect of High-Frequency Electro-hydraulic Vibration Control Technology
Chinese Journal of Mechanical Engineering, 2019 Electro-hydraulic vibration equipment (EHVE) is widely used in vibration environment simulation tests, such as vehicles, weapons, ships, aerospace, nuclear industries and seismic waves replication, etc., due to its large output power, displacement and ...
Yi Liu +3 more
doaj +1 more source
Investigation of a Digital Hydraulic Valve Operated by Servo Motors
, 2021 This paper describes a new type of digital hydraulic valve run by two servo motors. Digital hydraulics is a cutting edge technology, which saves more exhausted energy than conventional hydraulic valves.
Cetin, Muhammet Huseyin +7 more
core +3 more sources
A Digital Hydraulic Valve, Actuated Using a Piezoelectric Linear Motor [PDF]
, 2011 Proportional control in hydraulics is widely utilized. The most widely used current types of proportional valves utilize solenoid technology. While this technology has been around for decades and has been proven an effective means of control, there is ...
Bevill, Brian C
core
Heliyon, 2023 An electro-hydraulic servo pump control system (hereinafter referred to as EHSPCS) is a volume servo control unit that is highly integrated with servo motors, fixed-displacement pumps, hydraulic cylinders and functional valve groups.
Mingkun Yang +4 more
doaj +1 more source
International Journal of Mechanical System Dynamics, EarlyView.ABSTRACT In this study, a robust position control strategy is presented for a two‐stage electro‐hydraulic actuator system using a fractional‐order proportional–integral–derivative (FOPID) controller tuned by Kirchhoff's law algorithm (KLA). Electro‐hydraulic systems exhibit strong nonlinearities, parameter uncertainties, and external disturbances ...
Ridvan Firat Cinar +8 more
wiley +1 more source
CommunicationsHydraulic motion platforms are widely utilized in various environments due to their capacity to bear heavy loads and provide long actuator strokes. The predominant control system employed for hydraulic motion platforms is the electro-hydraulic servo ...
Ezz Eldin Ibrahim +4 more
doaj +1 more source
Machines, 2023 During the operation of valve-controlled cylinder position systems, there are some problems, such as uncertainty and time-varying of the system parameters, imprecise modeling, and external interference.
Bingwei Gao +3 more
doaj +1 more source
Real‐Time Fractional Control of an Electrohydraulic System Using Low‐Cost Technology
International Journal of Mechanical System Dynamics, EarlyView.ABSTRACT Advances in control methods for electrohydraulic systems (EHS) improve performance by addressing nonlinearities and unknown parameters, although most studies are limited to numerical simulations. Furthermore, research with experimental validation often relies on high‐performance computing equipment, specialized data acquisition cards, and ...
Edgar H. Robles‐Sauceda +5 more
wiley +1 more source
Meta‐Rod Mechanical Metamaterials With Programmable Reconfiguration
Advanced Functional Materials, Volume 36, Issue 40, 18 May 2026.Existing mechanical metamaterials achieve programmable large deformations in planar square or cubic configurations, restricted by required complex boundary conditions. This research proposes a 1D metamaterial, Meta‐rod, with linear, bending, twisting, area, and volume deformation modes.
Atharva Pande, Lyes Kadem, Hang Xu
wiley +1 more source
Design and Analysis of Electro-Hydraulic Servo System for Speed Control of Hydraulic Motor
Journal of Engineering, 2023 In this study, the electro-hydraulic servo system for speed control of fixed displacement hydraulic motor using proportional valve and (PID) controller is investigated theoretically ,experimentally and simulation .
Ali Abdul Mohsin Hassan AL-Assady +1 more
doaj +1 more source