Closed-loop online harmonic vibration estimation in DC electric motor systems

F Beltran-Carbajal, R Tapia-Olvera… - Applied Mathematical …, 2021 - Elsevier
In this article, an active vibration control technique for direct-current electric motors subjected
to harmonic mechanical load torque is introduced. Formulae to compute uncertain …

Neural Network Trajectory Tracking Control on Electromagnetic Suspension Systems

F Beltran-Carbajal, H Yañez-Badillo, R Tapia-Olvera… - Mathematics, 2023 - mdpi.com
A new adaptive-like neural control strategy for motion reference trajectory tracking for a
nonlinear electromagnetic suspension dynamic system is introduced. Artificial neural …

An asymptotic and algebraic estimation method of harmonics

F Beltran-Carbajal, R Tapia-Olvera… - Electric Power Systems …, 2022 - Elsevier
A new on-line and time-domain parameter estimation approach of harmonics in electric
power system signals is introduced. The developed parametrical identification perspective is …

On-line parametric estimation of damped multiple frequency oscillations

F Beltran-Carbajal, G Silva-Navarro… - Electric Power Systems …, 2018 - Elsevier
Undesirable harmonic pollution is currently a reality in many electric power systems.
Damped transients generated by the growing use of electronically controlled devices are an …

A fast parametric estimation approach of signals with multiple frequency harmonics

F Beltran-Carbajal, G Silva-Navarro - Electric Power Systems Research, 2017 - Elsevier
A new fast algebraic estimation scheme in time domain is proposed for amplitude, frequency
and phase parameters in electric power system signals with multiple frequency harmonics …

Nonlinear Dynamic States' Estimation and Prediction Using Polynomial Predictive Modeling

D Sivaraman, S Ongwattanakul… - … Canadian Journal of …, 2023 - ieeexplore.ieee.org
In motion-control applications, noise and dynamic nonlinearities influence the performance
of control systems and lead to unpredictable disturbances. The dc servo motors used in …

Augmented fixed‐time observer‐based continuous robust control for hypersonic vehicles with measurement noises

J Sun, J Yi, Z Pu - IET Control Theory & Applications, 2019 - Wiley Online Library
This study is concerned with the augmented fixed‐time observer based adaptive super‐
twisting cruise control for flexible air‐breathing hypersonic vehicles (FAHVs). First, the input …

An active vehicle suspension control approach with electromagnetic and hydraulic actuators

F Beltran-Carbajal, A Valderrabano-Gonzalez… - Actuators, 2019 - mdpi.com
An active vibration control approach from an online estimation perspective of unavailable
feedback signals for a quarter-vehicle suspension system is introduced. The application of a …

Virtual Line Shafting‐Based Total‐Amount Coordinated Control of Multi‐Motor Traction Power

J He, X Chen, S Mao, C Zhang… - Journal of Advanced …, 2020 - Wiley Online Library
This paper investigates a virtual line shafting‐based total‐amount coordinated control
method of multi‐motor traction power to solve the traffic safety problem caused by train …

Augmented nonlinear differentiator design

X Shao, J Liu, W Yang, J Tang, J Li - Mechanical Systems and Signal …, 2017 - Elsevier
This paper presents a sigmoid function based augmented nonlinear differentiator (AND) for
calculating the noise-less time derivative from a noisy measurement. The prominent …