Academic literature on the topic 'Adaptive PLL'

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Journal articles on the topic "Adaptive PLL"

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Zhao, Lei, Lei Shi, and Congying Zhu. "New Nonlinear Second-Order Phase-Locked Loop with Adaptive Bandwidth Regulation." Electronics 7, no. 12 (2018): 346. http://dx.doi.org/10.3390/electronics7120346.

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Synchronization of large acquisition bandwidth brings great challenges to the traditional second-order phase-locked loop (PLL). To address the contradiction between acquisition bandwidth and noise suppression capability of the traditional PLL, a new second-order PLL coupled with a nonlinear element is proposed. The proposed nonlinear second-order PLL regulates the loop noise bandwidth adaptively by the nonlinear module. When a large input–output phase error occurs, this PLL reduces the frequency offset quickly by taking advantage of the large bandwidth. When the phase error is reduced by the l
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Luo, Zhibin, Jicheng Ding, and Lin Zhao. "Adaptive Gain Control Method of a Phase-Locked Loop for GNSS Carrier Signal Tracking." International Journal of Antennas and Propagation 2018 (2018): 1–14. http://dx.doi.org/10.1155/2018/6841285.

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The global navigation satellite system (GNSS) has been widely used in both military and civil fields. This study focuses on enhancing the carrier tracking ability of the phase-locked loop (PLL) in GNSS receivers for high-dynamic application. The PLL is a very popular and practical approach for tracking the GNSS carrier signal which propagates in the form of electromagnetic wave. However, a PLL with constant coefficient would be suboptimal. Adaptive loop noise bandwidth techniques proposed by previous researches can improve PLL tracking behavior to some extent. This paper presents a novel PLL w
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Kubo, Hiroshi, and Ikuo Iizuka. "An adaptive phase-control digital pll." Electronics and Communications in Japan (Part I: Communications) 73, no. 12 (1990): 21–31. http://dx.doi.org/10.1002/ecja.4410731203.

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Kathiresan, Aravind Chellachi, Jeyaraj PandiaRajan, Asokan Sivaprakash, Thanikanti Sudhakar Babu, and Md Rabiul Islam. "An Adaptive Feed-Forward Phase Locked Loop for Grid Synchronization of Renewable Energy Systems under Wide Frequency Deviations." Sustainability 12, no. 17 (2020): 7048. http://dx.doi.org/10.3390/su12177048.

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Synchronization is a crucial problem in the grid-connected inverter’s control and operation. A phase-locked loop (PLL) is a typical grid synchronization strategy, which ought to have a high resistance to power system uncertainties since its sensitivity influences the generated reference signal. The traditional PLL catches the phase and frequency of the input signal via the feedback loop filter (LF). In general, to enhance the steady-state capability during distorted grid conditions generally, a filter tuned for nominal frequency is used. This PLL corrects large frequency deviations around the
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Hamood, Mostafa A., Ognjen Marjanovic, and Joaquin Carrasco. "Adaptive Impedance-Conditioned Phase-Locked Loop for the VSC Converter Connected to Weak Grid." Energies 14, no. 19 (2021): 6040. http://dx.doi.org/10.3390/en14196040.

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In this paper, an adaptive version of the impedance-conditioned phase-locked loop (IC-PLL), namely the adaptive IC-PLL (AIC-PLL), is proposed. The IC-PLL has recently been proposed to address the issue of synchronisation with a weak AC grid by supplementing the conventional synchronous reference frame phase-locked loop (SRF-PLL) with an additional virtual impedance term. The resulting IC-PLL aims to synchronise the converter to a remote and stronger point in the grid, hence increasing the upper bound on the achievable power transfer achieved by the VSC converter connected to the weak grid. How
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Yu, Linxin, and Dazhi Wang. "A Hybrid Filtering Stage-Based Rotor Position Estimation Method of PMSM with Adaptive Parameter." Sensors 21, no. 14 (2021): 4667. http://dx.doi.org/10.3390/s21144667.

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The performance of sensorless control in a permanent magnet synchronous machine (PMSM) highly depends on the accuracy of rotor position estimation. Owing to its strong robustness, phase-locked loop (PLL) is widely used in rotor position estimation. However, due to the influence of harmonics existing in back electromotive force (EMF), estimation error occurs by using PLL. In this paper, a hybrid filtering stage-based PLL is proposed to improve the rotor position estimation. Adaptive notch filters and moving average filters are integrated together to eliminate harmonic EMF. To make the method ef
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Lin, Ming-Lang, Shu-Chuan Huang, and Jie-Cherng Liu. "Digital-only PLL with adaptive search step." International Journal of Electronics 101, no. 6 (2014): 865–76. http://dx.doi.org/10.1080/00207217.2014.896036.

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Raoof, M., and A. A. Suratgar. "Adaptive control of PLL using neural network." Journal of the Franklin Institute 346, no. 1 (2009): 81–93. http://dx.doi.org/10.1016/j.jfranklin.2008.06.009.

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Zhang, Lan Ying, and Hai Yang Liu. "Adaptive Bandwidth PLL Design Based on Fuzzy Logic Control." Applied Mechanics and Materials 543-547 (March 2014): 1393–96. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.1393.

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Based on fuzzy logic control adaptive bandwidth PLL design is presented for the problem of tracking poor stability and low accuracy when a certain type of radar tracking dynamic spacecraft. This method is mainly through fuzzy logic controller, adaptive level is determined by control rule of input respectively, and the outputs of rules are weighted combined to control the coefficient of loop filter, thus adjusting automatically the loop bandwidth, and enhancing the tracking stability of radar equipment and improving ranging accuracy. The simulation results show that the fuzzy logic control adap
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Du, Heng, Qiuye Sun, Qifu Cheng, Dazhong Ma, and Xu Wang. "An Adaptive Frequency Phase-Locked Loop Based on a Third Order Generalized Integrator." Energies 12, no. 2 (2019): 309. http://dx.doi.org/10.3390/en12020309.

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In this paper, the basic principle and characteristics of a phase-locked loop (PLL) in a single phase grid-connected system are analyzed, and this paper introduces one type virtual orthogonal voltage vector method based on a third order generalized integrator (TOGI) to construct an alpha and beta static coordinate system. The TOGI structure can eliminate the DC offset in a voltage signal or zero offset in the sampling process, and ensure the amplitude of the virtual orthogonal signal is consistent. At the same time, the adaptive frequency estimation unit is introduced, which can effectively de
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Dissertations / Theses on the topic "Adaptive PLL"

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Yogesh, Mitesh. "A Self-compensated, Bandwidth Tracking Semi-digital PLL Design in 65nm CMOS Technol-ogy." Thesis, Linköpings universitet, Elektroniksystem, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-85143.

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In a conventional charge-pump based PLL design, the loop parameters such as the band-width, jitter performance, charge-pump current, pull-in range among others govern the ar-chitecture and implementation details of the PLL. Different loop parameter specificationschange with a change in the reference frequency and inmost cases, requires careful re-designof some of the PLL blocks. This thesis describes the implementation of a semi-digital PLLfor high bandwidth applications, which is self-compensated, low-power and exhibits band-width tracking for all reference frequencies between 40 MHz and 1.6 GH
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Correa, Diego Paolo Ferruzzo. "Malha síncrona digital \"Tanlock\" com estimação de frequência e ganho adaptativo para convergência rápida." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/3/3139/tde-11042011-141428/.

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Nas últimas três décadas os phase locked loops (PLLs) totalmente digitais têm recebido muita atenção devido, principalmente, às vantagens que eles oferecem em comparação aos PLLs analógicos. Essas vantagens incluem melhor desempenho, maior velocidade e confiabilidade, tamanho reduzido e menor custo. Os PLLs também são amplamente utilizados em sistemas de comunicações e em outras aplicações digitais. A presente dissertação é uma contribuição no campo dos PLLs digitais adaptativos e otimizados para a sua implementação em hardware. É feito uma análise de suas características dinâmicas e proposta
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Jiang, Bo. "A Wide Band Adaptive All Digital Phase Locked Loop With Self Jitter Measurement And Calibration." ScholarWorks @ UVM, 2016. http://scholarworks.uvm.edu/graddis/562.

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The expanding growth of mobile products and services has led to various wireless communication standards that employ different spectrum bands and protocols to provide data, voice or video communication services. Software deffned radio and cognitive radio are emerging techniques that can dynamically integrate various standards to provide seamless global coverage, including global roaming across geographical regions, and interfacing with different wireless networks. In software deffned radio and cognitive radio, one of the most critical RF blocks that need to exhibit frequency agility is the pha
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Lei, Feiran. "Injection Locked Synchronous Oscillators (SOs) and Reference Injected Phase-Locke Loops (PLL-RIs)." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1492789278258943.

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Carmona, Sanchez Jesus. "A smart adaptive load for power-frequency support applications." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/a-smart-adaptive-load-for-powerfrequency-support-applications(043dde9b-b753-4a6a-9c41-4c93b34681f9).html.

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At present, one of the main issues in electric power networks is the reduction in conventional generation and its replacement by low inertia renewable energy generation. The balance between generation and demand has a direct impact on the system frequency and system inertia limits the frequency rate of change until compensation action can be undertaken. Traditionally generation managed frequency. In future, loads may be required to do more than just be able to be switched off during severe under frequency events. This thesis focuses on the development and practical implementation of the contro
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AraÃjo, Renato Guerreiro. "PLL (Phase-Locked Loop) structures for single phase and three phase systems with a high rejection capacity to sub and interharmonic." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=15882.

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CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel Superior<br>In applications related to power converters, such as inverters, rectifiers and the use of active filters, the synchronization method represent a very important element in the performance of the control strategy of this equipment. The estimated values of the synchronism angle, frequency and amplitude determined by the synchronization algorithms present, facing strongly distorted signals with the presence of sub and interharmonics, high errors. This study presents two algorithms: one applied on single-phase electrical systems and one
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Liu, Pei-Hsin. "Advanced Control Schemes for High-Bandwidth Multiphase Voltage Regulators." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/52275.

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Advances in transistor-integration technology and multi-core technology of the latest microprocessors have driven transient requirements to become more and more stringent. Rather than relying on the bulky output capacitors as energy-storage devices, increasing the control bandwidth (BW) of the multiphase voltage regulator (VR) is a more cost-effective and space-saving approach. However, it is found that the stability margin of current-mode control in high-BW design is very sensitive to operating conditions and component tolerance, depending on the performance of the current-sensing techniques,
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Santos, Rodrigo Vieira dos. "Esquema para sincronizar relógios conectados por rede de comunicação por comutação de pacotes." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/3/3139/tde-18062013-153427/.

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Considere um sistema de comunicação em que um equipamento transmissor envia pacotes de dados, de tamanho fixo e a uma taxa uniforme, a um equipamento receptor. Considere também que esses equipamentos estejam conectados por uma rede de comutação de pacotes, que introduz um atraso aleatório a cada pacote que trafega na rede. Nesta tese, é proposto um modelo de recuperação adaptativa de relógio capaz de sincronizar as frequências e as fases desses dispositivos, dentro de certos limites especificados de precisão. Esse método para atingir sincronização de frequência e de fase é baseado em medições
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Mudriievskyi, Stanislav [Verfasser]. "Adaptive MAC-Layer Protocol Switching for PLC / Stanislav Mudriievskyi." München : Verlag Dr. Hut, 2017. http://d-nb.info/1139538675/34.

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Ayazifar, Babak 1967. "Pel-adaptive model-based interpolation of spatially subsampled images." Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/13215.

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Books on the topic "Adaptive PLL"

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Catháin, Fergus O. An adaptive digital video codec for PAL/NTSC video. University College Dublin, 1997.

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Book chapters on the topic "Adaptive PLL"

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Crossley, Scott A., Laura K. Allen, and Danielle S. McNamara. "The Writing Pal." In Adaptive Educational Technologies for Literacy Instruction. Routledge, 2016. http://dx.doi.org/10.4324/9781315647500-14.

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Chace, Sarah. "How Participants Remembered PLS." In Advancing the Development of Urban School Superintendents Through Adaptive Leadership. Routledge, 2019. http://dx.doi.org/10.4324/9781315562568-4.

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Chace, Sarah. "Description of the Program for Leading Superintendents (PLS)." In Advancing the Development of Urban School Superintendents Through Adaptive Leadership. Routledge, 2019. http://dx.doi.org/10.4324/9781315562568-3.

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Eliseyev, Andrey, Alim-Louis Benabid, and Tatiana Aksenova. "Recursive Multi-Way PLS for Adaptive Calibration of Brain Computer Interface System." In Lecture Notes in Computer Science. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-21738-8_3.

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Haferssas, Ryadh, Pierre Jolivet, and Frédéric Nataf. "An Adaptive Coarse Space for P.L. Lions Algorithm and Optimized Schwarz Methods." In Lecture Notes in Computational Science and Engineering. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-52389-7_4.

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Mazzi, Yahia, Hicham Ben Sassi, Fatima Errahimi, and Najia Es-Sbai. "PIL Implementation of Adaptive Gain Sliding Mode Observer and ANN for SOC Estimation." In Artificial Intelligence and Industrial Applications. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-53970-2_25.

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Li, T., and T. Li. "PLL-based adaptive power line interference canceller for ECG signal." In Multimedia, Communication and Computing Application. CRC Press, 2015. http://dx.doi.org/10.1201/b18512-63.

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"An Adaptive PLL Tuning System Architecture Combining High Spectral Purity and Fast Settling Time." In Phase-Locking in High-Performance Systems. IEEE, 2009. http://dx.doi.org/10.1109/9780470545492.ch63.

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Šehić, Z., D. Matko, and B. Zupančič. "SELFTUNING CONTROLLER ON THE PLC." In Adaptive Systems in Control and Signal Processing 1995. Elsevier, 1995. http://dx.doi.org/10.1016/b978-0-08-042375-3.50063-9.

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EVANS, N. "Holidaybreak plc: adapting for success." In Strategic Management for Travel and Tourism. Elsevier, 2003. http://dx.doi.org/10.1016/b978-0-7506-4854-7.50026-3.

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Conference papers on the topic "Adaptive PLL"

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Bechouche, Ali, Hamid Sediki, Djaffar Ould Abdeslam, and Salah Haddad. "An adaptive neural PLL for grid synchronization." In IECON 2012 - 38th Annual Conference of IEEE Industrial Electronics. IEEE, 2012. http://dx.doi.org/10.1109/iecon.2012.6389469.

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VanZwieten, Tannen S., James H. VanZwieten, Mark J. Balas, and Frederick R. Driscoll. "Direct Adaptive Rejection of Vortex-Induced Disturbances for a Powered Spar Platform." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79492.

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The Rapidly Deployable Stable Platform (RDSP) is a novel vessel designed to be a reconfigurable, stable at-sea platform. It consists of a detachable catamaran and spar, performing missions with the spar extending vertically below the catamaran and hoisting it completely out of the water. Multiple thrusters located along the spar allow it to be actively controlled in this configuration. A controller is presented in this work that uses an adaptive feedback algorithm in conjunction with Direct Adaptive Disturbance Rejection (DADR) to mitigate persistent, vortex-induced disturbances. Given the fre
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Seok-Hwan, Moon, Kim Ji-Won, and Park Byung-Gun. "Adaptive PLL method using recursive least square algorithm." In 2015 IEEE International Conference on Industrial Technology (ICIT). IEEE, 2015. http://dx.doi.org/10.1109/icit.2015.7125211.

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Pin, Gilberto, Boli Chen, Giuseppe Fedele, and Thomas Parisini. "Robust Frequency-Adaptive PLL with Lyapunov Stability Guarantees." In 2020 IEEE Conference on Control Technology and Applications (CCTA). IEEE, 2020. http://dx.doi.org/10.1109/ccta41146.2020.9206308.

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Shi, Lisheng, and Mariesa L. Crow. "A novel PLL system based on adaptive resonant filter." In 2008 40th North American Power Symposium (NAPS). IEEE, 2008. http://dx.doi.org/10.1109/naps.2008.5307408.

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Cherniak, Dmytro, Luigi Grimaldi, Carlo Samori, and Salvatore Levantino. "Adaptive Digital Pre-Emphasis for PLL-Based FMCW Modulators." In 2018 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE, 2018. http://dx.doi.org/10.1109/iscas.2018.8351846.

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Yilmazer, Umut, Caglar Yilmazer, and Ali Toker. "A wide range adaptive bandwidth PLL with digital calibration." In 2015 International Symposium on Signals, Circuits and Systems (ISSCS). IEEE, 2015. http://dx.doi.org/10.1109/isscs.2015.7203926.

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Chen, Yuan, Haixin Zheng, and Yuanqin Wang. "Adaptive bandwidth PLL design based on fuzzy logic control." In 2011 IEEE 4th International Symposium on Microwave, Antenna, Propagation, and EMC Technologies for Wireless Communications (MAPE). IEEE, 2011. http://dx.doi.org/10.1109/mape.2011.6156324.

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Sheikh, Ahmed, Tarek Youssef, and Osama Mohammed. "AC Microgrid Control Using Adaptive Synchronous Reference Frame PLL." In 2017 Ninth Annual IEEE Green Technologies Conference (GreenTech). IEEE, 2017. http://dx.doi.org/10.1109/greentech.2017.13.

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Meng, Haocheng. "Stability analysis of grid-connected inverter with adaptive PLL." In 2020 5th International Conference on Automation, Control and Robotics Engineering (CACRE). IEEE, 2020. http://dx.doi.org/10.1109/cacre50138.2020.9230120.

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