Active Disturbance Rejection Position Synchronous Control of Dual-Hydraulic Actuators with Unknown Dead-Zones [PDF]
Sensors, 2020 In this paper, an integrated control strategy of position synchronization control for dual-electro-hydraulic actuators with unknown dead-zones is proposed. The unified control scheme consists of two parts: One is adaptive dead-zone inverse controllers of
Lixin Wang +4 more
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Optimizing interval type-2 fuzzy logic PID controller with an improved constraint differential evolution algorithm [PDF]
Scientific ReportsCompared to electric actuators, hydraulic actuators can deliver greater driving forces within limited spaces due to their high-power density characteristics, making them widely used in high-performance drive applications such as humanoid robots. However,
Xin Chen +4 more
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Overview of Materials Used for the Basic Elements of Hydraulic Actuators and Sealing Systems and Their Surfaces Modification Methods [PDF]
Materials, 2021 Justyna Skowrońska +2 more
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Wearable Actuators: An Overview
Textiles, 2021 The booming wearable market and recent advances in material science has led to the rapid development of the various wearable sensors, actuators, and devices that can be worn, embedded in fabric, accessorized, or tattooed directly onto the skin.
Yu Chen +6 more
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Static and Dynamic Friction Characteristics Analysis of Actuation Module for Friction Compensation of Exoskeleton Robot [PDF]
한국정밀공학회지, 2019 Actuators for exoskeleton robots comprise various types such as electric, hydraulic, and pneumatic and it is necessary to apply the correct actuator according to the purpose. Most exoskeleton robots mainly use electric actuators, and some special-purpose
Byoung Ju Lee +3 more
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A Novel 3D Ring-Based Flapper Valve for Soft Robotic Applications
Robotics, 2021 In this paper, the design and testing of a novel valve for the intuitive spatial control of soft or continuum manipulators are presented. The design of the valve is based on the style of a hydraulic flapper valve, but with simultaneous control of three ...
Kelly Low, Devin R. Berg, Perry Y. Li
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Study on the relationship between structure and properties of electro-hydraulic positioning actuators [PDF]
Archive of Mechanical EngineeringIn this work, a novel perspective is proposed to develop schematics solutions for electro-hydraulic positioning actuators. The basis of the design approach has been established, which includes: a set of possible desired properties of actuators; a series ...
Qiang Li, Oleksandr Uzunov
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Highly-Integrated Hydraulic Smart Actuators and Smart Manifolds for High-Bandwidth Force Control
Frontiers in Robotics and AI, 2018 Hydraulic actuation is the most widely used alternative to electric motors for legged robots and manipulators. It is often selected for its high power density, robustness and high-bandwidth control performance that allows the implementation of force ...
Victor Barasuol +9 more
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Underwater Crawling Robot With Hydraulic Soft Actuators
Frontiers in Robotics and AI, 2021 Benthic operation plays a vital role in underwater applications, where crawling robots have advantages compared with turbine-based underwater vehicles, in locomotion accuracy, actuation efficiency, current resistance, and in carrying more payloads.
Qinlin Tan +12 more
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Hydraulic Manipulator to Assist Rescue Personnel [PDF]
한국정밀공학회지, 2021 In this study, we developed a hydraulic manipulator to assist firefighters and rescue personnel at disaster sites. In the design procedure, we analyzed the manipulator considering the hydraulic actuators as well as the manipulator kinematics and dynamics.
Maolin Jin +6 more
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