Author, as appears in the article.: Martinez-Trevino, Blanca Areli; El Aroudi, Abdelali; Valderrama-Blavi, Hugo; Cid-Pastor, Angel; Vidal-Idiarte, Enric; Martinez-Salamero, Luis;

Department: Enginyeria Electrònica, Elèctrica i Automàtica

URV's Author/s: Cid Pastor, Angel / El Aroudi Chaoui, Abdelali / Martínez Salamero, Luis / Valderrama Blavi, Hugo / Vidal Idiarte, Enric

Keywords: Voltage measurement Voltage control Systems Switches Stability criteria Stability Sliding-mode control Pulsewidth modulation (pwm) Power estimation Power converters Nonlinear control Instability Inductors Impedance Estimation Electronic converters Dynamics Constant power load (cpl) Buck converters Boost converter

Abstract: This article presents a nonlinear control based on pulsewidth modulation (PWM) and an estimation mechanism of the output power to regulate the output voltage of a boost converter supplying a constant power load (CPL). The controller uses three parameters K-p, K-E, and K-A lending the regulator an adaptive nature. The behavior of the latter can be expressed in terms of the dynamic description of three errors. Namely, first, current error, i.e., difference between the average value of the inductor current and its equilibrium value, second, output voltage error, i.e., deviation between the output voltage and its desired equilibrium value, and, second, power error, i.e., difference between the output power estimated value and its actual value. The analysis of the dynamic behavior of the three errors results in a parametric region in the plane K-p - K-E in which the system stability is guaranteed. The regulator exhibits fast and precise responses in the presence of disturbances in the input voltage and the load power. Conduction losses provoke steady-state errors in both current and power estimation but do not affect the output voltage tracking.

Thematic Areas: Interdisciplinar Engineering, electrical & electronic Engenharias iv Engenharias iii Electrical and electronic engineering Ciências agrárias i Ciência da computação

licence for use: https://creativecommons.org/licenses/by/3.0/es/

Author's mail: luis.martinez@urv.cat hugo.valderrama@urv.cat enric.vidal@urv.cat abdelali.elaroudi@urv.cat angel.cid@urv.cat

Author identifier: 0000-0003-3344-9501 0000-0003-2892-8209 0000-0002-6016-4096 0000-0001-9103-7762 0000-0001-8124-6210

Record's date: 2023-02-19

Papper version: info:eu-repo/semantics/acceptedVersion

Link to the original source: https://ieeexplore.ieee.org/document/9136752

Licence document URL: http://repositori.urv.cat/ca/proteccio-de-dades/

Papper original source: Ieee Transactions On Power Electronics. 36 (2): 2143-2153

APA: Martinez-Trevino, Blanca Areli; El Aroudi, Abdelali; Valderrama-Blavi, Hugo; Cid-Pastor, Angel; Vidal-Idiarte, Enric; Martinez-Salamero, Luis; (2021). PWM Nonlinear Control With Load Power Estimation for Output Voltage Regulation of a Boost Converter With Constant Power Load. Ieee Transactions On Power Electronics, 36(2), 2143-2153. DOI: 10.1109/TPEL.2020.3008013

Article's DOI: 10.1109/TPEL.2020.3008013

Entity: Universitat Rovira i Virgili

Journal publication year: 2021

Publication Type: Journal Publications