Results 1 to 10 of about 15,148 (214)

Reinforced Model Predictive Guidance and Control for Spacecraft Proximity Operations

Aerospace
An increased level of autonomy is attractive above all in the framework of proximity operations, and researchers are focusing more and more on artificial intelligence techniques to improve spacecraft’s capabilities in these scenarios.
Lorenzo Capra, Andrea Brandonisio, Michèle Roberta Lavagna   +2 more
doaj   +1 more source

Adaptive Control Strategy for Automotive Magnetorheological Dampers Based on Artificial Neural Networks

IEEE Access
In vehicle systems, the suspension is fundamental in achieving acceptable levels of ride comfort, while ensuring ride safety. Semi-active suspensions allow changing the suspension damping to prioritize different performance metrics.
C. Steven Diaz-Choque, Luis C. Felix-Herran, Renato Galluzzi, Riccardo Cespi, Jorge de J. Lozoya-Santos, Ricardo A. Ramirez-Mendoza   +5 more
doaj   +1 more source

Catnap: A Backoff Scheme for Kernel Spinlocks in Many-Core Systems

IEEE Access, 2020
As the number of cores equipped in a system grows, the impact of the spinlock waiting inside the operating system (OS) kernel on the performance and energy efficiency of a system worsens.
Youngjoo Woo, Sunghun Kim, Cheolgi Kim, Euiseong Seo   +3 more
doaj   +1 more source

V-Model Design and Experimental Validation for Robust Direct Power Control of Wind Energy Conversion Systems

IEEE Access
Despite the rapid growth of the wind energy sector, control system design still relies heavily on theoretical software simulations. This approach frequently masks critical real-world hardware constraints, leaving systems vulnerable to unpredictable power
Yassine Seghrouchni, Mourad Yessef, Saad Motahhir, Badre Bossoufi, Saad A. Alqahtani, Z. M. S. El-Barbary   +5 more
doaj   +1 more source

Toward Emotion-Aware Computing: A Loop Selection Approach Based on Machine Learning for Speculative Multithreading

IEEE Access, 2017
Emotion-aware computing can recognize, interpret, process, and simulate human affects. These programs in this area are compute-intensive applications, so they need to be executed in parallel.
Bin Liu, Jinrong He, Yaojun Geng, Lvwen Huang, Shuqin Li   +4 more
doaj   +1 more source

Evaluation of Effects and Effectiveness of Various α and β Angulations for Three Different Loop Made of Stainless Steel Arch Wires – A FEM Study [PDF]

Journal of Clinical and Diagnostic Research, 2014
Introduction: Evaluations on retraction loop designs have been limited to describe the force systems applied to the buccal surfaces of the tooth that can be in different planes resulting undesirable effects, needing corrective action in future.
Supradeep Kumar Kamisetty, Raghuveer N, Rajavikram N, Chakrapani N, Dwaragesh, Praven   +5 more
doaj   +1 more source

A Generic Actuator Management Solution for Space Applications Based on Convex Optimization

Aerospace
This paper addresses a common challenge in space systems: how to effectively manage multiple actuators under demanding mission conditions. We introduce a flexible, optimization-based algorithm designed to dispatch control commands among a set of ...
Jesús Ramírez, Joost Veenman, Ilario Cantiello, Valentin Preda   +3 more
doaj   +1 more source

Real-Time Processor-in-Loop Investigation of a Modified Non-Linear State Observer Using Sliding Modes for Speed Sensorless Induction Motor Drive in Electric Vehicles

Energies, 2020
Tracking performance and stability play a major role in observer design for speed estimation purpose in motor drives used in vehicles. It is all the more prevalent at lower speed ranges.
Mohan Krishna Srinivasan, Febin Daya John Lionel, Umashankar Subramaniam, Frede Blaabjerg, Rajvikram Madurai Elavarasan, G. M. Shafiullah, Irfan Khan, Sanjeevikumar Padmanaban   +7 more
doaj   +1 more source

Loop-invariant Code Motion Algorithm Based on Loop Cost Analysis [PDF]

Jisuanji kexue
Loop-invariant code motion(LICM) is a commonly used compilation optimization algorithm for loop structures in programs.By moving the invariant calculations in the loop body to outside the loop,the algorithm reduces the overhead of duplicate calculations ...
JIANG Jun, ZHAI Yanhe, ZENG Zhiheng, GU Yichao, HUANG Liangming
doaj   +1 more source

Design and Implementation of a Speed-Loop-Periodic-Controller-Based Fault-Tolerant SPMSM Drive System

Energies, 2019
This paper proposes a speed-loop periodic controller design for fault-tolerant surface permanent magnet synchronous motor (SPMSM) drive systems. Faulty conditions, including an open insulated-gate bipolar transistor (IGBT), a short-circuited IGBT, or a ...
Tian-Hua Liu, Muhammad Syahril Mubarok, Muhammad Ridwan, Suwarno   +3 more
doaj   +1 more source