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Electro Hydraulic Power Steering System

SAE Technical Paper Series, 1999
<div class="htmlview paragraph">Visteon Automotive Systems has developed an Electro-Hydraulic Power Assist Steering (EHPAS) System. This low-cost system uses conventional hydraulic power steering components with an electrically-driven and electronically-controlled power steering pump.
Vladimir V. Kokotovic   +3 more
openaire   +1 more source

An extended state observer-based control design for electro-hydraulic position servomechanism

, 2021
The electro-hydraulic servomechanism is widely used in marine vehicles due to its higher power density. However, the servomechanisms suffer from serious throttling loss which leads to its low efficiency, and the parameter uncertainty and disturbances ...
W. Shen, Chao Shen
semanticscholar   +1 more source

Fractional Order Integral Sliding Mode Controller Based on Neural Network: Theory and Electro-Hydraulic Benchmark Test

IEEE/ASME transactions on mechatronics, 2022
Inaccurate model, uncertainties, and valve bias are the main challenges for the controller design of high precision electro-hydraulic servo systems.
H. Ren   +3 more
semanticscholar   +1 more source

The electro-hydraulic valvetrain system

MTZ worldwide, 2004
The electro-hydraulic valvetrain system (EHVS) is one of the most flexible options for replacing the conventional mechanical camshaft by an electronically controlled actuator system. Thus, fully variable feeding and dissipation of the gases involved in the combustion process can be ensured.
Dirk Denger, Karsten Mischker
openaire   +1 more source

Low-power microfluidic electro-hydraulic pump (EHP)

Lab Chip, 2010
Low-power electrolysis-based microfluidic pumps utilizing the principle of hydraulics, integrated with microfluidic channels in polydimethylsiloxane (PDMS) substrates, are presented. The electro-hydraulic pumps (EHPs), consisting of electrolytic, hydraulic and fluidic chambers, were investigated using two types of electrodes: stainless steel for larger
Clarissa, Lui   +3 more
openaire   +2 more sources

High-gain observer-based integral sliding mode tracking control for heavy vehicle electro-hydraulic servo steering systems

, 2021
The electro-hydraulic servo steering system (EHSSS) is the key element to determine the handling and stability of heavy vehicles. Accurate steering control is challenged due to its complicated structure and a wide range of steering loads.
H. Du   +4 more
semanticscholar   +1 more source

Electro-Hydraulic Power Units

SAE Technical Paper Series, 1969
<div class="htmlview paragraph">This paper considers the design and application of the electrohydraulic power unit for direct current installations. It discusses the advantages provided by the packaged power unit and advocates its selection for certain vehicular applications.</div>
openaire   +1 more source

Electro‐Hydraulic Measuring Appliances

Aircraft Engineering and Aerospace Technology, 1936
Some Typical Installations Suitable for Aero‐Engine ...
openaire   +1 more source

Developments at Electro‐Hydraulics

Aircraft Engineering and Aerospace Technology, 1966
RECENT developments at Electro‐Hydraulics Ltd. are in two categories: in component design and in solutions to basic hydraulic problems. Examples shown below are selected from a number of fairly recent component design details, followed by an outline of developments in seals and a summary of fatigue tests on hydraulic tubes.
openaire   +1 more source

Electro-hydraulic fully variable valve train system

MTZ worldwide, 2010
Since the end of last year, Fiat has been mass-producing the first fully variable valve train, which is based on electro-hydraulic valve phasing [1]. The Schaeffler Group secured the rights to UniAir technology at an early stage and, as a development partner for the system and its key components, describes the main design steps in this report. Ensuring
Michael Haas, Martin Rauch
openaire   +1 more source

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