Video Experimental Relacionado
Updated: Feb 13, 2026

07:10
Home-Based Prescribed Pulmonary Exercise in Patients with Stable Chronic Obstructive Pulmonary Disease
Published on: August 24, 2019
10.5K
Control de seguimiento asintótico con rendimiento prescrito de tiempo prescrito para sistemas no lineales inciertos:
IEEE transactions on cybernetics
|February 11, 2026
Resumen
Este estudio introduce un nuevo método de control de tiempo prescrito para sistemas de accionamiento completo (FAS), superando las limitaciones de los enfoques existentes. El control de seguimiento adaptativo garantiza un rendimiento ajustable a pesar de las incertidumbres y las perturbaciones.
Área de la Ciencia:
- Ingeniería de Sistemas de Control Ingeniería de Sistemas de Control
- Robótica y Robótica Robótica y Robótica Robótica Robótica Robótica Robótica Robótica Robótica
- La dinámica no lineal es la dinámica no lineal.
Sus antecedentes:
- Los sistemas totalmente accionados (FAS) se enfrentan a desafíos de incertidumbres no lineales, perturbaciones de entrada y perturbaciones de matriz.
- Los métodos convencionales y de tiempo finito de control de rendimiento prescrito (PPC) a menudo tienen restricciones de valor inicial.
Objetivo del estudio:
- Desarrollar un esquema de control de seguimiento adaptativo robusto para los FAS.
- Lograr un rendimiento transiente ajustable y de estado estacionario con convergencia en el tiempo prescrito.
- Eliminar las restricciones de valor inicial inherentes a los métodos tradicionales de PPC.
Principales métodos:
- Se desarrolla un nuevo esquema de PPC de tiempo prescrito, que integra el control de FAS con la transformación de velocidad.
- Se diseña un controlador básico, creando un sistema de circuito cerrado con una parte lineal dominante.
- La transformación de velocidad se aplica para convertir el problema PPC en un problema de convergencia asintótica, eliminando las restricciones de valor inicial.
- Se diseñan entradas de control auxiliares y leyes adaptativas con funciones que varían en el tiempo.
Principales resultados:
- El esquema propuesto garantiza un seguimiento asintótico de estado completo con un rendimiento de tiempo prescrito.
- Maneja eficazmente las incertidumbres no lineales, las perturbaciones de entrada y las perturbaciones multiplicativas de la matriz de entrada.
- Se ha comprobado que todas las señales de circuito cerrado están delimitadas, lo que garantiza el rendimiento deseado.
- Los estudios de simulación validan la eficacia y la superioridad de la estrategia de control.
Conclusiones:
- El esquema de control de seguimiento adaptativo desarrollado ofrece una solución robusta para los FAS.
- Consigue con éxito el rendimiento en el tiempo prescrito sin restricciones de valor inicial.
- El método demuestra un rendimiento superior en comparación con los enfoques convencionales.
Videos de Conceptos Relacionados
Control Systems
1.9K
Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
At the heart...
1.9K
Control Systems: Applications
1.2K
Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
1.2K
Feedback control systems
732
Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
732
Slant Asymptotes
156
A function's behavior is often guided by asymptotic constraints, where one term dominates another, defining a limiting trend. In the given scenario, the mathematical pattern follows a rational function: a cubic term in the numerator is divided by a squared term in the denominator. This results in a function with distinct characteristics, including an oblique asymptote, critical points, and undefined regions.The function's validity is determined by the denominator, which must be nonzero. This...
156
Nonlinear Pharmacokinetics: Causes of Nonlinearity
745
Nonlinearity in drug pharmacokinetics is caused by various factors influencing how a drug is absorbed, distributed, metabolized, and excreted. Understanding these nonlinear processes is crucial for predicting drug behavior in the body and optimizing drug dosing regimens.
Nonlinear drug absorption can occur when the process is rate-limited by solubility, carrier-mediated transport systems, or saturation of the presystemic gut wall or hepatic metabolism. For instance, high doses of riboflavin...
Nonlinear drug absorption can occur when the process is rate-limited by solubility, carrier-mediated transport systems, or saturation of the presystemic gut wall or hepatic metabolism. For instance, high doses of riboflavin...
745
Asymptotes in Rational Functions
269
A rational function is defined as the quotient of two polynomials: where Q(x)≠0, These functions often exhibit asymptotes, which are the lines that the graph approaches but never touches. These asymptotes are classified based on how the function behaves near specific values of the input.Vertical asymptotes occur where the denominator is zero, and the numerator is not, causing the function to be undefined. These are found by solving Q(x)=0. For example: has a vertical...
269

