Results 1 to 10 of about 971,565 (200)

Santa Fé La Vieja, frontera abierta y de guerra. Los frentes Charrúa y Chaqueño

open access: yesMemoria Americana, 1993
El trabajo se focaliza en el indígena como actor relevante y significativo en la conformación de una sociedad asentada en un área marginal del Virreinato del Perú, como es Santa Fe la Vieja y su jurisdicción durante los siglos XVI y XVII.
Nidia Areces   +4 more
doaj   +1 more source

Recovery of High-Purity Magnesium Hydroxide with Self-Tuning PID Control and PID of pH [PDF]

open access: yesPollution, 2022
The salt obtained from salt sources has a low purity level and contains contaminants. The primary contaminants in the brines were eliminated in this investigation by using analytical separation (titration) techniques.
Yavuz Demirci, Mustafa Alpbaz
doaj   +1 more source

Efecto de la testa en la germinación in vitro de Bipinnula pennicillata (Rchb. F.) Sisternas & Salazar (Orchidaceae)

open access: yesInvestigación Agraria, 2015
Bipinnula pennicillata es una orquídea terrestre que habita en pastizales de Entre Ríos (Argentina). El objetivo de este trabajo fue evaluar el efecto de la cubierta de la semilla en la germinación in vitro, de B.
Carlos Alberto Dalzotto   +1 more
doaj   +1 more source

Design and Speed Control of SynRM using Cascade PID Controller with PSO Algorithm

open access: yesInternational Journal of Renewable Energy Development, 2020
In recent years, the variable speed motor drive is supported over a fixed speed motor drive as per essentialness safeguarding, speed or position control and improvement of transient response characteristics.
Mohammed Ayad Alkhafaji, Yunus Uzun
doaj   +1 more source

Anatomía foliar y caulinar de Chascolytrum subaristatum (Poaceae, Pooideae, Poeae)

open access: yesLilloa, 2019
El objetivo del presente estudio fue describir la anatomía foliar y caulinar de Chascolytrum subaristatum (Poaceae) presente en áreas naturales de la provincia de Entre Ríos.
María E. Moya   +3 more
doaj   +1 more source

Modeling and control of a 3-DOF articulated robotic manipulator using self-tuning fuzzy sliding mode controller

open access: yesCogent Engineering, 2021
Robotic manipulators are highly coupled multi-input multi-output (MIMO) nonlinear systems with uncertainties and highly time-varying dynamic capabilities. These characteristics make the trajectory control of a robotic manipulator very challenging.
Aderajew Ashagrie   +2 more
doaj   +1 more source

Trajectory Control of Robotic Manipulator using Metaheuristic Algorithms [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences, 2023
Robotic manipulators are extremely nonlinear complex and, uncertain systems. They have multi-input multi-output (MIMO) dynamics, which makes controlling manipulators difficult.
Devendra Rawat   +2 more
doaj   +1 more source

Control strategies for autonomous vehicle path tracking: A comparative study of PID, Pure-Pursuit, and Stanley methods [PDF]

open access: yesEPJ Web of Conferences
Effective control strategy selection is crucial for safe and efficient autonomous vehicle navigation, a key aspect of robotics. This study compares three control strategies: Proportional-Integral- Derivative (PID) control, Pure-Pursuit, and Stanley. Each
Bousskoul Aala Eddine   +2 more
doaj   +1 more source

Computer vision based obstacle detection and target tracking for autonomous vehicles [PDF]

open access: yesMATEC Web of Conferences, 2021
Obstacle detection and target tracking are two major issues for intelligent autonomous vehicles. This paper proposes a new scheme to achieve target tracking and real-time obstacle detection of obstacles based on computer vision.
Fang Ruoyu, Cai Cheng
doaj   +1 more source

OVERCOMING DEAD TIME IN THERMAL PROCESSES: A COMPARATIVE EVALUATION OF PID-SP AND PID-IMC CONTROL STRATEGIES [PDF]

open access: yesEngineering Heritage Journal
Dead time is a major source of instability and performance loss in process control systems, requiring effective compensation strategies. This study investigates temperature regulation in a two-tank thermal system with transport delay using two control ...
Yulius Deddy Hermawan   +6 more
doaj   +1 more source

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