Results 31 to 40 of about 4,673 (260)
Robotics, 2014 It is a general assumption that pneumatic muscle-type actuators will play an important role in the development of an assistive rehabilitation robotics system.
Mohd Azuwan Mat Dzahir +1 more
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Position-Based Impedance Control Design for a Hydraulically Actuated Series Elastic Actuator
Energies, 2022 Series elastic actuators (SEAs) have become a common actuation method in torque-controlled electric lightweight arm applications that physically interact with the environment in assembly tasks.
Pauli Mustalahti, Jouni Mattila
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State observer control for robotic series elastic actuators
Revista Colombiana de Tecnologías de AvanzadaThis implementation shows the results through a control state observer strategy for a series elastic actuator (SEA) of motorized robotic limbs, with the purpose of evaluate the disturbance response with regard to convetional PID controller.
Frank Nixon Giraldo Ramos
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Frontiers in Neurorobotics, 2018 Recently, progress has been made in the development of mechanical joints with variable intrinsic stiffness, opening up the search for application areas of such variable-stiffness joints. By varying the stiffness of its joints, the resonant frequency of a
Georg Stillfried +4 more
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Passivity-Based Twisting Sliding Mode Control for Series Elastic Actuators
ActuatorsThis paper presents a passivity-based twisting sliding mode control (PBSMC) approach for series elastic actuators (SEAs). To address the time-varying position trajectory tracking control problem in SEAs, a fourth-order dynamic model is developed to ...
Hui Zhang +5 more
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Design and Characterization of a Low-Cost and Efficient Torsional Spring for ES-RSEA
Sensors, 2023 The design of torsional springs for series elastic actuators (SEAs) is challenging, especially when balancing good stiffness characteristics and efficient torque robustness.
Omar Sabah Al-Dahiree +4 more
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Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying
Advanced Engineering Materials, EarlyView.An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara +8 more
wiley +1 more source
Characterization of Control-Dependent Variable Stiffness Behavior in Discrete Muscle-Like Actuators
Applied Sciences, 2018 This paper presents the modeling, characterization and validation for a discrete muscle-like actuator system composed of individual on–off motor units with complex dynamics inherent to the architecture.
Caleb Fuller, Joshua Schultz
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International Journal of Advanced Robotic Systems, 2020 This article presents a mechanical design structure for hydraulic actuators using the principle of series-elastic actuator, considering the restriction of mechanical structure, weight and size, as well as the requirement of high joint torques due to the ...
Yapeng Shi +6 more
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Compliant Control of Single Tendon-Sheath Actuators Applied to a Robotic Manipulator
IEEE Access, 2020 Tendon-sheath actuators (TSAs), similar to Bowden cable-based series elastic actuators (SEAs), have a wide range of applications in robots. However, when applying them to manipulators, force sensors cannot be mounted due to limited space. Therefore, this
Meng Yin +4 more
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