Results 21 to 30 of about 2,340,186 (293)

Prediction of Communicative Disorders Linked to Autistic Spectrum Disorder Based on Early Psychomotor Analysis

open access: yesChildren, 2022
This systematic review evaluated psychomotor differences between children with and without siblings who have autism spectrum disorder (ASD), as well as the most reliable psychomotor skills that can help predict ASD and its associated language disorders ...
Darío Rincón-Rufo   +3 more
doaj   +1 more source

An Optimal Control Method for Maximizing the Efficiency of Direct Drive Ocean Wave Energy Extraction System

open access: yesThe Scientific World Journal, 2014
The goal of direct drive ocean wave energy extraction system is to convert ocean wave energy into electricity. The problem explored in this paper is the design and optimal control for the direct drive ocean wave energy extraction system.
Zhongxian Chen, Haitao Yu, Cheng Wen
doaj   +1 more source

An Active Seat Controller with Vehicle Suspension Feedforward and Feedback States: An Experimental Study

open access: yesApplied Sciences, 2018
Active seat suspensions can be used to reduce the harmful vertical vibration of a vehicle’s seat by applying an external force using a closed loop controller. Many of the controllers found in the literature are difficult to implement practically, because
Abdulaziz Alfadhli   +2 more
doaj   +1 more source

SMC framework in motion control systems [PDF]

open access: yes, 2007
Design of a motion control system should take into account both the unconstrained motion performed without interaction with environment or other system, and the constrained motion where system is in contact with environment or has certain functional ...
Arimoto   +32 more
core   +2 more sources

Heteroclinic optimal control solutions for attitude motion planning [PDF]

open access: yes, 2013
An analytical attitude motion planning method is presented that exploits the heteroclinic connections of an optimal kinematic control problem. This class of motion, of hyperbolic type, supply a special case of analytically defined rotations that can be ...
Biggs, James   +2 more
core   +1 more source

SELF-ADAPTIVE AIR-PATH HEALTH MANAGEMENT FOR A HEAVY DUTY-DIESEL ENGINE

open access: yesInternational Journal of Prognostics and Health Management, 2023
This paper presents the air-path health management strategy with the ability to estimate the mass-flows and mitigate (adapt to) the air-path faults in the exhaust system of a heavy-duty diesel combustion engine equipped with a twin-scroll turbine.
Tomáš Polóni   +3 more
doaj   +1 more source

A Lateral Control Method for Wheel-Footed Robot Based on Sliding Mode Control and Steering Prediction

open access: yesIEEE Access, 2018
In order to improve the accuracy and enhance stability of the tracking system of wheel-footed robot, the lateral control problem in the process of wheel movement is discussed.
Wei Shen, Zhichun Pan, Min Li, Hui Peng
doaj   +1 more source

Model-free reinforcement learning for robust locomotion using demonstrations from trajectory optimization

open access: yesFrontiers in Robotics and AI, 2022
We present a general, two-stage reinforcement learning approach to create robust policies that can be deployed on real robots without any additional training using a single demonstration generated by trajectory optimization.
Miroslav Bogdanovic   +3 more
doaj   +1 more source

Design and Analysis of a Linear Hybrid Excitation Flux-Switching Generator for Direct Drive Wave Energy Converters

open access: yesAdvances in Mechanical Engineering, 2013
Linear generators have the advantage of a simple structure of the secondary, which is suitable for the application of wave energy conversion. Based on the vernier hybrid machines (VHMs), widely used for direct drive wave energy converters, this paper ...
Lei Huang   +4 more
doaj   +1 more source

Performance and Characteristics of Wearable Sensor Systems Discriminating and Classifying Older Adults According to Fall Risk: A Systematic Review

open access: yesSensors, 2021
Sensor-based fall risk assessment (SFRA) utilizes wearable sensors for monitoring individuals’ motions in fall risk assessment tasks. Previous SFRA reviews recommend methodological improvements to better support the use of SFRA in clinical practice. This
Annica Kristoffersson   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy