Results 111 to 120 of about 1,534,066 (401)

Hydraulic motor with swinging planetary drive of bevel gears and its force & efficiency calculation [PDF]

open access: yes, 2007
A new kind of hydraulic motor with offset swining planetary drive of bevel gears and the application in Capstan is presented; the researched of the calculation of the efficiency of the mechanism is made.
Huran, Liu   +4 more
core  

Inorganic Dielectric Materials Coupling Micro‐/Nanoarchitectures for State‐of‐the‐Art Biomechanical‐to‐Electrical Energy Conversion Devices

open access: yesAdvanced Materials, EarlyView.
Biomechanical‐to‐electrical energy conversion devices are uniquely suited for self‐driven physiological information monitoring and powering human–computer interaction systems. These devices based on micro‐/nanoarchitectured inorganic dielectric materials (MNIDMs) have shown ultrahigh electromechanical performance and thus great potential for practical ...
Jia‐Han Zhang   +12 more
wiley   +1 more source

Hydraulic Drive of Packaging Line [PDF]

open access: yes, 2017
Předmětem této diplomové práce je navržení hydraulického pohonu balicí linky. V úvodní části jsou popsány konstrukční problémy potřebné řešit při návrhu balicí linky a jasně stanovené cíle. Rešerše byla rozdělena na 2 části.
Čech, Daniel
core  

Variable speed drive with hydraulic boost

open access: yesInternational Journal of Fluid Power, 2019
This paper studies a variable speed drive with two hydraulic pump motors connected to an actuator. The torque load of the pump motors is reduced by connecting different pressures to the inlets of the pump motors. A method for real-time selection of the inlet pressures is developed.
openaire   +4 more sources

Materials Advances in Devices for Heart Disease Interventions

open access: yesAdvanced Materials, EarlyView.
This review examines the crucial role of materials in heart disease interventions, focusing on strategies for monitoring, managing, and repairing heart conditions. It discusses the material requirements for medical devices, highlighting recent innovations and their impact on cardiovascular health.
Gagan K. Jalandhra   +11 more
wiley   +1 more source

Mathematical model of hydromanipulator of forest vehicle with recuperative hydraulic drive

open access: yesIOP Conference Series: Earth and Environment, 2019
The relevance of using a recuperative hydraulic drive to control the hydraulic manipulator of a timber truck used in conducting selective sanitary cutting of forest care has been substantiated.
V. Nikonov, V. Posmetev, V. Posmetev
semanticscholar   +1 more source

Topology in Biological Piezoelectric Materials

open access: yesAdvanced Materials, EarlyView.
This review summarizes the topological structures in biological piezoelectric materials, covering morphology evolution, spatial arrangement, and biomimetic strategies. These topologies modulate structure‐property relationships across multiple scales, enabling performance enhancement and multifunctional integration.
Chen Chen   +7 more
wiley   +1 more source

High-Accuracy Force Control With Nonlinear Feedforward Compensation for a Hydraulic Drive Unit

open access: yesIEEE Access, 2019
The hydraulic drive unit (HDU) applied in a hydraulic drive legged robot joints adopts an outer loop impedance control method based on the hydraulic control’s inner loop during motion so that the entire system obtains certain compliance characteristics ...
Bin Yu   +5 more
semanticscholar   +1 more source

The Development of Deep Borehole Permanent-magnet Motor Direct Drive Top-Driving Drilling Rig [PDF]

open access: yes, 2014
At present, in our country the main deep drilling rigs are rotary disk drilling rig, spindle-type drilling rig and full hydraulic motor head drive drilling rig, and most of foreign drilling rig equipment are full hydraulic motor head drive drilling rigs.
Jiarong, Liu, Lingjie, Ran
core   +1 more source

Water Oxidation to Hydrogen Peroxide Over a Super‐Aerophilic Graphite Catalyst

open access: yesAdvanced Materials, EarlyView.
Design of super‐aerophilic graphite catalyst capable of trapping in situ produced oxygen gas on its surface under the electrolyte environment. By so doing, it is able to moderate intermediate species binding, which is critical to enabling the two‐electron water oxidation reaction to hydrogen peroxide.
Umer Javed   +16 more
wiley   +1 more source

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