Results 1 to 10 of about 2,892,000 (100)

Development of two-redundant multi-turn absolute encoder based on small modulus reducer [PDF]

open access: yesMATEC Web of Conferences, 2022
In order to meet the development needs of aerospace servo technology, the angular displacement sensor, which compact structure, high reliability, and be able to adapt to harsh working environments is used for the measurement and feedback of the high ...
Xiong Wei   +6 more
doaj   +1 more source

Design of a high precision converter for multi-sensor information fusion [PDF]

open access: yesMATEC Web of Conferences, 2022
The converter is a measuring device and is used together with the displacement sensor. In view of the existing sensor transform device is susceptible to error and temperature drift effects acquisition accuracy is not high, we design a high precision ...
Ma Yajun   +4 more
doaj   +1 more source

Research on the motion characteristics of a flexible joint-flexible link space manipulator [PDF]

open access: yesE3S Web of Conferences, 2022
Research on motion characteristics of the space flexible-joint flexible-link manipulator is investigated. The motion equations of the N degree of freedom (DOF) flexible manipulator are established by means of the Newton-Euler method and finite segment ...
Zhang Xiaolei   +3 more
doaj   +1 more source

A Novel Path Planning Algorithm Considering the Maximum Deflection Angle of Joint

open access: yesIEEE Access, 2021
The paper deals with a minimum potential energy algorithm considering the maximum deflection angle of joint (MPE-MDA algorithm) for three key factors including the maximum deflection angle of the joint, the total length of the path, and the minimum ...
Yuping Huang   +5 more
doaj   +1 more source

Design and simulation of the accumulator for servomechanisms of launch vehicle

open access: yesThe Journal of Engineering, 2020
The accumulator is a crucial component of the hydraulic power for servomechanisms of the launch vehicle, which has a significant effect on the performance and the mass power. Traditional design methods are mostly based on empirical formulas, which do not
Bo Zheng   +5 more
doaj   +1 more source

Sensitivity Adaptation of Lower-Limb Exoskeleton for Human Performance Augmentation Based on Deep Reinforcement Learning

open access: yesIEEE Access, 2023
The lower-limb exoskeleton for human performance augmentation (LEHPA) in sensitivity amplification control (SAC) is vulnerable to model parameter uncertainties and unmodeled dynamics due to its large sensitivity to external disturbances resulting from ...
Ranran Zheng   +5 more
doaj   +1 more source

Integrated modelling and simulation method of a cargo door actuator

open access: yesThe Journal of Engineering, 2020
An integrated Matlab model comprising of an electro-mechanical actuator (EMA) model, load model and state model has been constructed to investigate the cargo door actuator motion control, operation and working states, of which, a Simulink® servomotor ...
Wang Xiaolu   +5 more
doaj   +1 more source

End-to-End High-Level Control of Lower-Limb Exoskeleton for Human Performance Augmentation Based on Deep Reinforcement Learning

open access: yesIEEE Access, 2023
This paper proposes a novel end-to-end controller for the lower-limb exoskeleton for human performance augmentation (LEHPA) systems based on deep reinforcement learning (E2EDRL).
Ranran Zheng   +5 more
doaj   +1 more source

Safety design method of a civil aircraft cargo door actuation system

open access: yesThe Journal of Engineering, 2020
A safety design method of a civil aircraft cargo door actuation system has been listed in this study in order to fulfil the requirements of airworthiness throughout the product's life circle, in which a safety design process has been illustrated to show ...
Wang Danyang   +4 more
doaj   +1 more source

Variable Dimensional Scaling Method: A Novel Method for Path Planning and Inverse Kinematics

open access: yesMachines, 2022
Traditional methods for solving the inverse kinematics of a hyper-redundant manipulator (HRM) can only plan the path of the end-effector with a complicated solving process, where obstacle avoidance is also not considered.
Longfei Jia   +6 more
doaj   +1 more source

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