Results 1 to 10 of about 2,329,877 (178)

Distributed predictive control design to achieve economically optimal power flow for DC microgrid clusters

IET Smart Grid, 2023
DC microgrid clusters are a collection of interconnected microgrids that allow for flexible power flow, leading to economic benefits and improved resilience from distributed generation.
Sucheng Liu, Jin Ma, Taohu Zhou, Qianjin Zhang, Wei Fang, Xiaodong Liu   +5 more
doaj   +1 more source

A Stability Training Method of Legged Robots Based on Training Platforms and Reinforcement Learning with Its Simulation and Experiment

Micromachines, 2022
This paper continues the proposed idea of stability training for legged robots with any number of legs and any size on a motion platform and introduces the concept of a learning-based controller, the global self-stabilizer, to obtain a self-stabilization
Weiguo Wu, Liyang Gao, Xiao Zhang
doaj   +1 more source

Simulation of a Lower Extremity Assistive Device for Resistance Training in a Microgravity Environment

Applied Sciences, 2020
Lower extremity assistive devices (LEADs) have been developed in various fields, such as rehabilitation, military, and industry, in the form of exoskeleton robots or treadmills, and most of them are aimed at supporting muscle strength.
Jong In Han, Ho Seon Choi, Yoon Su Baek   +2 more
doaj   +1 more source

Motion Control

, 2010
In this chapter, various motion control schemes for rigid robotic manipulator were introduced. The first control schemes were conventional PD and PID control which have simple structures. However, PID control methods have limitations for nonlinear robotic manipulators.
Won, Sangchul, Seok, Jinwook
  +8 more sources

Distributed Collision-Free Motion Coordination on a Sphere: A Conic Control Barrier Function Approach [PDF]

, 2020
This letter studies a distributed collision avoidance control problem for a group of rigid bodies on a sphere. A rigid body network, consisting of multiple rigid bodies constrained to a spherical surface and an interconnection topology, is first ...
Ames, Aaron D., Egerstedt, Magnus, Ibuki, Tatsuya, Wilson, Sean   +3 more
core   +2 more sources

The Long-Term Maintenance of Upper Limb Motor Improvements Following Transcranial Direct Current Stimulation Combined with Rehabilitation in People with Stroke: A Systematic Review of Randomized Sham-Controlled Trials

Sensors, 2021
Background: The effectiveness of transcranial direct current stimulation (tDCS) in the upper limb (UL) motor rehabilitation of stroke has been widely studied. However, the long-term maintenance of its improvements has not yet been proven.
Víctor Navarro-López, Manuel del Valle-Gratacós, Rubén Fernández-Matías, María Carratalá-Tejada, Alicia Cuesta-Gómez, Francisco Molina-Rueda   +5 more
doaj   +1 more source

Research on a Wide-Output Resonant Converter with Multi-Mode Switching

Energies, 2022
In this article, a resonant converter based on a series-parallel self-adjusting rectifier structure is proposed. By changing the driving signal of the switch, the converter has four working modes: full-bridge structure frequency modulation control, full ...
Yu Gu, Xiaofeng Zhang, Bingyang Wang, Zhangwen Jia, Anshou Li   +4 more
doaj   +1 more source

Design of an Artificial Neural Network Algorithm for a Low-Cost Insole Sensor to Estimate the Ground Reaction Force (GRF) and Calibrate the Center of Pressure (CoP)

Sensors, 2018
As an alternative to high-cost shoe insole pressure sensors that measure the insole pressure distribution and calculate the center of pressure (CoP), researchers developed a foot sensor with FSR sensors on the bottom of the insole.
Ho Seon Choi, Chang Hee Lee, Myounghoon Shim, Jong In Han, Yoon Su Baek   +4 more
doaj   +1 more source

Gait Pattern in People with Multiple Sclerosis: A Systematic Review

Diagnostics, 2021
The aim of the present systematic review was to describe the gait pattern in people with multiple sclerosis (MS) by compiling the main findings obtained from studies using three-dimensional capture systems of human movement. The search was carried out in
María Coca-Tapia, Alicia Cuesta-Gómez, Francisco Molina-Rueda, María Carratalá-Tejada   +3 more
doaj   +1 more source

Analytical Calculation of the Magnetic Field Distribution in a Linear and Rotary Machine with an Orthogonally Arrayed Permanent Magnet

Energies, 2017
In this paper, an analytical model is proposed to analyze and predict the characteristics of a double stator linear and rotary permanent magnet machine (DSLRPMM).
Lei Xu, Mingyao Lin, Xinghe Fu, Kai Liu, Baocheng Guo   +4 more
doaj   +1 more source