A Study on Stability Control of Grid Connected DC Distribution System Based on Second Order Generalized Integrator-Frequency Locked Loop (SOGI-FLL) [PDF]
Applied Sciences, 2018 This paper studies a second order generalized integrator-frequency locked loop (SOGI-FLL) control scheme applicable for 3-phase alternating current/direct current (AC/DC) pulse width modulation (PWM) converters used in DC distribution systems.
Jin-Wook Kang +5 more
doaj +4 more sources
Evaluation of Low-Complexity Adaptive Full Direct-State Kalman Filter for Robust GNSS Tracking [PDF]
Sensors, 2023 This paper evaluates the implementation of a low-complexity adaptive full direct-state Kalman filter (DSKF) for robust tracking of global navigation satellite system (GNSS) signals.
Iñigo Cortés +4 more
doaj +2 more sources
Microchip Health Monitoring System Using the FLL Circuit [PDF]
Sensors, 2021 Here a solution for a Microchip Health Monitoring (MHM) system using MTOL (Multi-Temperature Operational Life) reliability testing assessment data is proposed. The module monitors frequency degradation over time compared to lab tested data.
Emmanuel Bender, Joseph B. Bernstein
doaj +2 more sources
A Design of Small Area, 0.95 mW, 612–1152 MHz Open Loop Injection-Locked Frequency Multiplier for IoT Sensor Applications [PDF]
Sensors, 2018 This paper presents a 612–1152 MHz Injection-Locked Frequency Multiplier (ILFM). The proposed ILFM is used to send an input signal to a receiver in only the I/Q mismatch calibration mode. Adopting a Phase-Locked Loop (PLL) to calibrate the receiver
SungJin Kim +10 more
doaj +2 more sources
Real-Time Estimation for Roll Angle of Spinning Projectile Based on Phase-Locked Loop on Signals from Single-Axis Magnetometer [PDF]
Sensors, 2019 As roll angle measurement is essential for two-dimensional course correction fuze (2-D CCF) technology, a real-time estimation of roll angle of spinning projectile by single-axis magnetometer is studied.
Zhaowei Deng +3 more
doaj +2 more sources
Roll Angle Measurement for a Spinning Vehicle Based on GPS Signals Received by a Single-Patch Antenna [PDF]
Sensors, 2018 Roll angle measurement is an essential technology in the trajectory correction projectiles. In this paper, an algorithm to detect the roll angle and rotational speed of a spinning vehicle is studied by using a GPS (Global Positioning System) receiver ...
Zilong Deng, Qiang Shen, Zhaowei Deng
doaj +2 more sources
Multipath Effects on Frequency-Locked Loops (FLLs) and FLL-derived Doppler Measurements
CoRR, 2023 This is a follow-up and refining paper of our existing ION conference paper "Modeling Multipath Effects on Frequency Locked Loops" on ION ITM ...
Liangchun Xu, Jason H. Rife
openaire +2 more sources
IEEE Access, 2022 To improve the performance of the frequency lock loop (FLL) under the conditions of a distorted power grid and unexpected noise, a new type of frequency locked loop (Al-FLL) is proposed, in which the AL-FLL prefilter is formed by fusing two first-order ...
Lei Pan, Zhen Li, Jingmei Zhang, Yi Pang
doaj +1 more source
Improved harmonic detection method based on ip-iq theory [PDF]
E3S Web of Conferences, 2021 Based on the traditional ip-iq harmonic detection theory, the accuracy of harmonic detection is easily affected by the phase-locked loop (PLL) output phase error, and the single low-pass filter (LPF) detection accuracy and filtering effect cannot be ...
Yao Zhisen, Gao Guige
doaj +1 more source
Comparison of SOGI-FLL with SOGI-PLL for Single-Phase Grid-Connected Inverters [PDF]
E3S Web of Conferences, 2019 Phase locked loop (PLL) is a feedback system that has a vital role in the grid-connected inverter systems. The primary function of PLL is to obtain various grid information, such as magnitude, frequency, and phase.
Royan +4 more
doaj +1 more source