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Bibliografias temáticas / Autotune

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Literatura científica selecionada sobre o tema "Autotune"

Autor: Grafiati

Publicado: 21 de setembro de 2024

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Artigos de revistas sobre o assunto "Autotune"

1

Shen, Shih-Haur, Jiun-Sheng Wu, and Cheng-Ching Yu. "Autotune Identification under Load Disturbance." Industrial & Engineering Chemistry Research 35, no. 5 (1996): 1642–51. http://dx.doi.org/10.1021/ie950480g.

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2

Li, Wei, Esref Eskinat, and William L. Luyben. "An improved autotune identification method." Industrial & Engineering Chemistry Research 30, no. 7 (1991): 1530–41. http://dx.doi.org/10.1021/ie00055a019.

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3

Bürgel, Michel, and Kai Siedenburg. "Salience of Frequency Micro-modulations in Popular Music." Music Perception: An Interdisciplinary Journal 41, no. 1 (2023): 1–14. http://dx.doi.org/10.1525/mp.2023.41.1.1.

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Singing voices attract auditory attention in music unlike other sounds. In a previous study, we investigated the salience of instruments and vocals using a detection task in which cued target sounds were to be detected in musical mixtures. The presentation order of cue and mixture signals influenced the detection of all targets except the lead vocals, indicating that listeners focus on voices regardless of whether these are cued or not, highlighting a unique vocal salience in music mixtures. The aim of the present online study was to investigate the extent to which phonological cues, musical features of the main melody, or frequency micro-modulation (FMM) inherent in singing voices contribute to this vocal salience. FMM was either eliminated by using an autotune effect (Experiment 1) or transferred to other instruments (Experiment 2). Detection accuracy was influenced by presentation order for all instrumental targets and the autotuned vocals, but not for the unmodified vocals, suggesting that neither the phonological cues that could provide a facilitated processing of speech-like sounds nor the musical features of the main melody are sufficient to drive vocal salience. Transferring FMM from vocals to instruments or autotuned vocals reduced the magnitude of the order effect considerably. These findings suggest that FMM is an important acoustical feature contributing to vocal salience in musical mixtures.

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4

Loquercio, Antonio, Alessandro Saviolo, and Davide Scaramuzza. "AutoTune: Controller Tuning for High-Speed Flight." IEEE Robotics and Automation Letters 7, no. 2 (2022): 4432–39. http://dx.doi.org/10.1109/lra.2022.3146897.

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5

Diao, Y., J. L. Hellerstein, S. Parekh, and J. P. Bigus. "Managing Web server performance with AutoTune agents." IBM Systems Journal 42, no. 1 (2003): 136–49. http://dx.doi.org/10.1147/sj.2003.5386833.

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6

Shen, Shih-Haur, Hong-Den Yu, and Cheng-Ching Yu. "Use of saturation-relay feedback for autotune identification." Chemical Engineering Science 51, no. 8 (1996): 1187–98. http://dx.doi.org/10.1016/0009-2509(95)00371-1.

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7

Basha, S. H. Shabbeer, Sravan Kumar Vinakota, Viswanath Pulabaigari, Snehasis Mukherjee, and Shiv Ram Dubey. "AutoTune: Automatically Tuning Convolutional Neural Networks for Improved Transfer Learning." Neural Networks 133 (January 2021): 112–22. http://dx.doi.org/10.1016/j.neunet.2020.10.009.

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8

Ulu, Burak, Sertaç Savaş, Ömer Faruk Ergin, et al. "Tuning the Proportional–Integral–Derivative Control Parameters of Unmanned Aerial Vehicles Using Artificial Neural Networks for Point-to-Point Trajectory Approach." Sensors 24, no. 9 (2024): 2752. http://dx.doi.org/10.3390/s24092752.

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Nowadays, trajectory control is a significant issue for unmanned micro aerial vehicles (MAVs) due to large disturbances such as wind and storms. Trajectory control is typically implemented using a proportional–integral–derivative (PID) controller. In order to achieve high accuracy in trajectory tracking, it is essential to set the PID gain parameters to optimum values. For this reason, separate gain values are set for roll, pitch and yaw movements before autonomous flight in quadrotor systems. Traditionally, this adjustment is performed manually or automatically in autotune mode. Given the constraints of narrow orchard corridors, the use of manual or autotune mode is neither practical nor effective, as the quadrotor system has to fly in narrow apple orchard corridors covered with hail nets. These reasons require the development of an innovative solution specific to quadrotor vehicles designed for constrained areas such as apple orchards. This paper recognizes the need for effective trajectory control in quadrotors and proposes a novel neural network-based approach to tuning the optimal PID control parameters. This new approach not only improves trajectory control efficiency but also addresses the unique challenges posed by environments with constrained locational characteristics. Flight simulations using the proposed neural network models have demonstrated successful trajectory tracking performance and highlighted the superiority of the feed-forward back propagation network (FFBPN), especially in latitude tracking within 7.52745 × 10−5 RMSE trajectory error. Simulation results support the high performance of the proposed approach for the development of automatic flight capabilities in challenging environments.

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9

Shahan, Cyrus. "The Birth of Autotune and the Loop of (West) German Identity." German Politics and Society 35, no. 2 (2017): 7–25. http://dx.doi.org/10.3167/gps.2017.350202.

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Audible in the technological aesthetics of West German post punk is a 1980s strategy for escaping the political, cultural, and aesthetic contradictions of a nation trapped by the compulsion to, reconstruction of, and march toward a democratic state. Through the bands Die tödliche Doris and Pyrolator, this article locates potential sonic escapes from the canonical legacy of German experience in post punk’s technological turn. Against the confinement of the Federal Republic’s attendant freedoms, the logic of technologically driven post punk sought to avoid the hermetic fate of associative social forces past and to test the Federal Republic’s experiential limits of liberation and confinement.

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Shen, Shih-Haur, Hong-Den Yu, and Cheng-Ching Yu. "Autotune identification for systems with right-half-plane poles and zeros." Journal of Process Control 9, no. 2 (1999): 161–69. http://dx.doi.org/10.1016/s0959-1524(98)00035-3.

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Teses / dissertações sobre o assunto "Autotune"

1

Tucker, Andrew J. "Design of perturbation signals and their application to autotune control." Thesis, University of Warwick, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.246759.

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2

Molina, Villota Daniel Hernán. "Vocal audio effects : tuning, vocoders, interaction." Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS166.

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Cette recherche se concentre sur l'utilisation d'effets audio numériques (DAFx) sur les pistes vocales dans la musique moderne, on étudie principalement la correction de la hauteur et le vocoding. Malgré son utilisation répandue, il n'y a pas eu suffisamment de discussions sur la manière d'améliorer l'autotune ou sur ce qui rend une modification de la hauteur plus intéressante d'un point de vue musical. Une analyse taxonomique des effets vocaux a été réalisée, montrant des exemples de la manière dont les effets peuvent préserver ou transformer l'identité vocale et leur utilisation musicale, en particulier traitant la modification de la hauteur. En outre, un recueil de termes technico-musicaux a été élaboré pour distinguer les types de tuning vocal et les cas de correction de la hauteur. Une méthode de correction de la hauteur est proposée pour son utilisation vocale : Dynamic Pitch Warping (DPW). Cette méthode est validée par des courbes de hauteur théoriques (appuyées par l'audio) et comparée à une méthode de référence. Bien que le vocodeur soit essentiel pour la correction de la hauteur, il y a un manque de base descriptive et comparative pour les techniques de vocodeur. Par conséquent, une description sonore du vocodeur est proposée, compte tenu de son utilisation pour le tuning, en utilisant quatre algorithmes différents : Antares, Retune, World et Circe. Ensuite, une évaluation psychoacoustique subjective est réalisée pour comparer les quatre systèmes dans les cas suivants : resynthèse de la tonalité originale, correction vocale douce et correction vocale extrême. Cette évaluation psychoacoustique cherche à comprendre la coloration de chaque vocodeur (préservation de l'identité vocale) et dans la correction vocale extrême. Aussi, un protocole d'évaluation subjective des méthodes de correction de la hauteur est proposé et mis en œuvre. Ce protocole compare notre méthode de correction de hauteur DPW à la méthode de référence ATA. Cette étude vise à déterminer s'il existe des différences perceptives entre les systèmes et dans quels cas elles se produisent, ce qui est utile pour développer de nouvelles méthodes de modification mélodique à l'avenir. Enfin, l'utilisation interactive des effets vocaux a été explorée, en capturant le mouvement des mains à l'aide de capteurs sans fil et en le mappant pour contrôler les effets qui modifient la perception de l'espace et de la mélodie vocale<br>This research focuses on the use of digital audio effects (DAFx) on vocal tracks in modern music, mainly pitch correction and vocoding. Despite its widespread use, there has not been enough discussion on how to improve autotune or what makes a pitch-modification more musically interesting. A taxonomic analysis of vocal effects has been conducted, demonstrating examples of how they can preserve or transform vocal identity and their musical use, particularly with pitch modification. Furthermore, a compendium of technical-musical terms has been developed to distinguish types of vocal tuning and cases of pitch correction. Additionally, a graphical correction method for vocal pitch correction is proposed. This method is validated with theoretical pitch curves (supported by audio) and compared with a reference method. Although the vocoder is essential for pitch correction, there is a lack of descriptive and comparative basis for vocoding techniques. Therefore, a sonic description of the vocoder is proposed, given its use for tuning, employing four different techniques: Antares, Retune, World, and Circe. Subsequently, a subjective psychoacoustic evaluation is conducted to compare the four systems in the following cases: original tone resynthesis, soft vocal correction, and extreme vocal correction. This psychoacoustic evaluation seeks to understand the coloring of each vocoder (preservation of vocal identity) and the role of melody in extreme vocal correction. Furthermore, a protocol for the subjective evaluation of pitch correction methods is proposed and implemented. This protocol compares our DPW pitch correction method with the ATA reference method. This study aims to determine if there are perceptual differences between the systems and in which cases they occur, which is useful for developing new melodic modification methods in the future. Finally, the interactive use of vocal effects has been explored, capturing hand movement with wireless sensors and mapping it to control effects that modify the perception of space and vocal melody

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3

Bergqvist, Erik. "Spotify Autotunes." Thesis, KTH, Maskinkonstruktion (Inst.), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-201606.

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Music consumption genom tjänster som Spotify ökar. Samma trend kan observeras för musikkonsumtion i bilar. Många biltillverkare har börjat integrera digitala strömningstjänster som Spotify i nya bilar. För äldre bilar där en integration inte är tillgänglig förlitar sig användare på att koppla en smartphone till bilens ljudsystem. Smartphone applikationer är dock inte optimerade för detta användande och i vissa länder olagligt. Att strömma musik genom en smartphone konsumerar även mycket mobildata och batteri. Den här rapporten täcker en konceptstudie för en retro integrerad lösning som kan strömma musik via Spotify. En fysisk design, program strategi och interactions modell har utvecklats och kan ses påsidan 27 , 13 och 19. Koncept studien resulterade i ett konceptförslag för en självständig produkt kapabel att leverera en musikupplevelse specialanpassad för bilen. Arbetet är baserat på design thinking metodologi och människocentrerad innovation. Produkt designen och interaction modellen har ett högt fokus på bredd och innovation för att ge ett underlag för framtida utveckling. Detta är ett examensarbete och inte ett uttalande för Spotify's framtida strategier eller planer.<br>Music consumption through digital streaming services like Spotify is increasing. This trend can also be seen in music consumption in cars. Many new auto manufacturers are starting to integrate streamed music services to new cars. For older cars where a integration is not available users rely on connecting their phone to the car's sound system. Smartphone applications are generally not designed for this purpose and in some countries illegal. Using a smartphone to stream music also consumes a lot of battery and mobile data. This report covers the concept study of a stand alone retro fitted car integration capable of streaming Spotify. A physical design, content strategy and interaction model has been developed and can beseen on page 27, 13 and 19 respectively. The concept study resulted in a stand alone product proposal capable of providing a music experience designed for driving conditions. The work is mainly based on design thinking methodology that focuses on human centered innovation. The interaction model and physical design has a high focus on innovation to provide a broad foundation for further development. This is an independent exploration for Spotify and not a statement on Spotify's future plans orstrategy.

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4

Alme, Jon. "Autotuned Dynamic Positioning for Marine Surface Vessels." Thesis, Norwegian University of Science and Technology, Department of Engineering Cybernetics, 2008. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-8861.

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<p>Dynamic positioning of surface vessels involves control of vessels with changing dynamics, shifting conditions, for different operational tasks. A controller with fixed controller parameters cannot have an optimal performance for all these different cases, and autotuning of the controller would be very valuable. However, dynamic positioning is a complex task, and thus automatic tuning of a dynamic positioning controller is not less so. This thesis does not solve all problems that comes with autotuning of dynamic positioning systems, but it gives an overview of the problem and presents a novel performance index for station keeping. Furthermore, a hybrid controller that can function as a first step in solving the autotuning problem is suggested. The hybrid controller has a fixed controller structure and is a combination of a gain-scheduling controller and an adaptive controller. The adaptive controller is used in an idle (training/learning) mode to populate a look-up table with controller parameters, while the gain-scheduling controller work as a fast-changing dynamical controller, using the controller parameters stored in the look-up table. Each controller parameter set in the look-up table is optimized according to a vessel operational condition, which is defined as a function of environmental conditions (wind, waves, ocean current), vessel draught, and water depth. Optimization of the controller parameters for the different vessel operational conditions is carried out by two different autotuning methods; a genetic algorithm and a rule-based algorithm. Both of these autotuning methods are optimizing the controller gains in a nonlinear PID-controller. The performance index and the two autotuning methods are implemented in Matlab/Simulink, where simulation tests are performed for a 3 DOF mathematical model of a supply vessel. The test scenario includes two different vessel operational conditions, where the controller has been automatically tuned both for minimal position and heading deviation as well as weighting on the use of forces. A comparison of the two autotuning methods is also performed and finally a discussion of the behaviour and tuning of the suggested performance index is carried out.</p>

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5

Sudakar, Madhavan. "Novel control techniques for a quadrotor based on the Sliding Mode Controller." University of Cincinnati / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1613746605628363.

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6

Nath, Rajib Kumar. "Accelerating Dense Linear Algebra for GPUs, Multicores and Hybrid Architectures: an Autotuned and Algorithmic Approach." 2010. http://trace.tennessee.edu/utk_gradthes/734.

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Dense linear algebra(DLA) is one of the most seven important kernels inhigh performance computing. The introduction of new machines from vendorsprovides us opportunities to optimize DLA libraries for the new machinesand thus exploit their power. Unfortunately the optimization phase is notstraightforward. The optimum code of a certain Basic Linear AlgebraSubprogram (BLAS) kernel, which is the core of DLA algorithms, in twodifferent machines with different semiconductor process can be differenteven if they share the same features in terms of instruction setarchitecture, memory hierarchy and clock speed. It has become a traditionto optimize BLAS for new machines. Vendors maintain highly optimized BLASlibraries targeting their CPUs. Unfortunately the existing BLAS for GPUsis not highly optimized for DLA algorithms. In my research, I haveprovided new algorithms for several important BLAS kernels for differentgeneration of GPUs and introduced a pointer redirecting approach to makeBLAS run faster in generic problem size. I have also presented anauto-tuning approach to parameterize the developed BLAS algorithms andselect the best set of parameters for a given card.The hardware trends have also brought up the need for updates on existinglegacy DLA software packages, such as the sequential LAPACK. To takeadvantage of the new computational environment, successors of LAPACK mustincorporate algorithms of three main characteristics: high parallelism,reduced communication, and heterogeneity-awareness. On multicorearchitectures, Parallel Linear Algebra Software for MulticoreArchitectures (PLASMA) has been developed to meet the challenges inmulticore. On the other extreme, Matrix Algebra on GPU and MulticoreArchitectures (MAGMA) library demonstrated a hybridization approach thatindeed streamlined the development of high performance DLA for multicoreswith GPU accelerators. The performance of these two libraries depend uponright choice of parameters for a given problem size and given number ofcores and/or GPUs. In this work, the issue of automatically tuning thesetwo libraries is presented. A prune based empirical auto-tuning method hasbeen proposed for tuning PLASMA. Part of the tuning method for PLASMA wasconsidered to tune hybrid MAGMA library.

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Livros sobre o assunto "Autotune"

1

MaRue. Autotune. Bompiani, 2018.

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2

Budge, E. A. Wallis (Ernest Alfred Wallis), Sir, 1857-1934 and British Museum. Department of Egyptian and Assyrian Antiquities, eds. The Tell el-Amarna tablets in the British Museum: With autotype facsimiles. Sold at the British Museum, 1986.

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3

H, Evans J. Ornamental turning: A work of practical instruction in the above art ; with numerous engravings and autotype plates. Astragal Press, 1993.

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4

Berger, Ve ronique. Les de pendances affectives: Aimer et e tre soi. Eyrolles, 2007.

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5

Mastering AutoTune. Hal Leonard Publishing Corporation, 2013.

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6

Zimmer. Autotune: Scheduler 2020 Scheduler a5 Scheduler a5 2020 calendar 2020 Scheduler a5. Independently published, 2019.

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7

Craig, John. Imperial approval for repro. 1985.

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8

Autotype: A Decorative and Educational Art. Creative Media Partners, LLC, 2021.

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9

O, Halliwell-Phillipps J. Shakespeare-Autotype Committee at Stratford-On-Avon: Transformation Scenes. and a Retrospect. Creative Media Partners, LLC, 2018.

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10

§1 Autotuner Haben Immer Recht!: Taschenkalender Für Autotuner I A5 I 160 Seiten I Kalender I Wochenplaner I Jahresplaner I Tolles Geschenk Für Kollegen and Familie. Independently Published, 2021.

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Mais fontes

Capítulos de livros sobre o assunto "Autotune"

1

Yu, Cheng-Ching. "Guidelines for Autotune Procedure." In Advances in Industrial Control. Springer London, 1999. http://dx.doi.org/10.1007/978-1-4471-3636-1_10.

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2

Miceli, Renato, Gilles Civario, Anna Sikora, et al. "AutoTune: A Plugin-Driven Approach to the Automatic Tuning of Parallel Applications." In Applied Parallel and Scientific Computing. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36803-5_24.

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3

Boucher, P., D. Dumur, and S. Daumüller. "Autotuned Predictive Control." In Mutual Impact of Computing Power and Control Theory. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2968-2_22.

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4

Bonz, Jochen. "Die mimetische Erfahrung des Selbst als Ungekanntem. Überlegungen zum Autotune-Effekt als Phänomen der expressiven Kultur der Popmusik in den Nullerjahren." In Alltagsklänge – Einsätze einer Kulturanthropologie des Hörens. Springer Fachmedien Wiesbaden, 2015. http://dx.doi.org/10.1007/978-3-658-00889-5_4.

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5

Agullo, Emmanuel, Jack Dongarra, Rajib Nath, and Stanimire Tomov. "A Fully Empirical Autotuned Dense QR Factorization for Multicore Architectures." In Euro-Par 2011 Parallel Processing. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-23397-5_19.

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6

Jaszczak, Sławomir, and Joanna Kołodziejczyk. "An Industrial Fuzzy PID Autotuner Based on the Relay Method." In Artificial Intelligence and Soft Computing. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07173-2_18.

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"autotune, v." In Oxford English Dictionary, 3rd ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/2184957651.

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8

Shahan, Cyrus. "The Birth of Autotune and the Loop of (West) German Identity." In Sounds German. Berghahn Books, 2020. http://dx.doi.org/10.2307/j.ctv287sgr9.6.

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9

Townsend, Peter. "From Live Music to Electronic Offerings." In The Evolution of Music through Culture and Science. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198848400.003.0010.

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Distribution of music via recordings and broadcasts has been a lively activity for well over a century. The value for music is immense, but this is a symbiotic process, where the musical demands spawned the invention of electronic amplifiers, microphones, speakers, and onward to all modern electronics. The original aim was to make a faithful recording of a performance. In reality, this is impossible because the conditions for listening are always different from the original performance. The musical data and reproduction are modified by every aspect of the electronics, and the way in which sound engineers and marketing companies handle the music. There may be advantages in that performance errors can be corrected, balance between instruments adjusted, or the pop music autotune which corrects the pitch. This chapter considers many aspects of current and future sound processing.

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Shahan, Cyrus. "Chapter 2 The Birth of Autotune and the Loop of (West) German Identity." In Sounds German. Berghahn Books, 2022. http://dx.doi.org/10.1515/9781789204735-004.

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Trabalhos de conferências sobre o assunto "Autotune"

1

Muresan, Cristina I., Marcian Mihai, Erwin Hegedus, Elisabeta Kozma, and Isabela R. Birs. "Experimental Validation of a Fractional Order Autotuner for a Two Rotor Aerodynamical System." In 2024 American Control Conference (ACC). IEEE, 2024. http://dx.doi.org/10.23919/acc60939.2024.10644935.

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2

Koch, Patrick, Oleg Golovidov, Steven Gardner, Brett Wujek, Joshua Griffin, and Yan Xu. "Autotune." In KDD '18: The 24th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining. ACM, 2018. http://dx.doi.org/10.1145/3219819.3219837.

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3

Singla, G., B. Delatti, A. Scarpato, J. Barracas, W. Wang, and N. Demougeot. "Advanced Automated GT26 Combustion Tuning for Increased Operational Flexibility and Performance." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-16086.

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Abstract Today’s advanced Gas Turbine (GT) combustion systems are designed to achieve low emission limits over a wide operational range. Regular combustion tuning is usually required to ensure that emissions are kept well within the plant compliance limits and that combustion dynamics levels are low enough to meet the mechanical integrity targets of all hot gas parts. These targets must be met during the full lifetime of the power plant, regardless of ambient conditions, fuel composition or engine degradation. Considering also the recent increase of combustor inspection intervals and the change in the GT loading profile due to the intermittent nature of renewable energies, it became advantageous to develop an automated GT26 combustion tuning control. Ansaldo Energia self-learning AutoTune system, based on the well proven product developed by Power Systems Manufacturing (PSM), tunes engine operating parameters to maintain emission and combustion dynamics within specified limits under varying ambient conditions, load ranges, gas compositions and increasing engine degradation. It increases the robustness of the operation concept by introducing dynamic set points instead of fixed settings. This results in tuning flexibility, continuous engine optimization and it helps to potentially eliminate manual engine adjustments during a major inspection cycle. After a general introduction on the operating concept of the GT26, the interaction between AutoTune and the GT controller is described together with the set-up and tuning principles. The universal AutoTune algorithm was adapted to the unique GT26 reheat architecture and flexibility, allowing for: (i) GT26 EV and SEV tuning for emissions and pulsations during stable conditions, (ii) tuning to minimize the minimum environmental load (MEL) with changing fuel gas properties or ambient temperature with the Low Part Load (LPL) concept, (iii) handling of very reactive fuels with high C2+ concentrations, (iv) tuning during transient conditions accounting for the variation of the GT thermal state. Based on robust experience after five successful GT26 installations, tuning attempts and successful tunings are statistically analyzed on a commercial plant over a period of several weeks to demonstrate the enlarged operational flexibility and performance of the GT26 equipped with AutoTune. The data analysis focuses on the Low Part Load operation, where Autotune achieved a robust decrease of MEL of 20MW, corresponding to a reduction of 4% in terms of combined cycle relative load.

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4

Kunjir, Mayuresh. "Guided Bayesian Optimization to AutoTune Memory-Based Analytics." In 2019 IEEE 35th International Conference on Data Engineering Workshops (ICDEW). IEEE, 2019. http://dx.doi.org/10.1109/icdew.2019.00-22.

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5

Demougeot, Nicolas, Alexander Steinbrenner, Wenping Wang, and Matt Yaquinto. "Digital Solutions for Power Plant Operators in a Dynamic Market Place: An Advanced Automated Gas Turbine Combustion Tuning for Low Emissions and Operational Flexibility." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-91587.

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Abstract Since the advent of premix combustion technology in industrial gas turbines, regular manual combustion tuning and engine adjustments have been necessary to maintain engines within emission regulatory limits and to control combustion dynamics (pulsations) for hardware integrity. The emissions and pulsation signatures of premix combustors are strongly driven by ambient conditions, engine performance, degradation and fuel composition. As emissions limits became more stringent over the years, higher combustion dynamics were encountered and challenges to maintain acceptable settings after yearly combustion inspections were regularly encountered. This challenge was further increased as sites operating advanced Gas Turbines (GT) eliminated Combustion Inspections (CI) and required uninterrupted generation at optimum settings for up to three years. The case for automated tuning systems became evident for the Industrial Gas Turbine (IGT) market in the mid 2000’s and different IGT manufacturers and service providers began developing them. Power Systems Manufacturing (PSM) developed the AutoTune (AT) system in 2008 and has since installed it in over fifty units, accumulating close to a million hours of operation. The history of PSM’s AT system development as well as a description of its fundamental principles and capabilities are discussed. The power generation market is changing rapidly with the injection of renewables, thus driving the demand for operational flexibility, the design of PSM’s multi-platform compatible, AutoTune system; allowing for increased peak power, extended turndown and transient tuning is discussed. The paper also describes, how, using the same tuning principles, the application for an AutoTune system can be extended to the Balance Of Plant (BOP) equipment.

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6

Godfrey, K. "The design of autotune controllers based on frequency domain identification." In UKACC International Conference on Control. Control '96. IEE, 1996. http://dx.doi.org/10.1049/cp:19960627.

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Sheats, D. C. "Autotune of PID Temperature Control Based on Closed-loop Step Response Tests." In ADVANCES IN CRYOGENIC ENGINEERING: Transactions of the Cryogenic Engineering Conference - CEC. AIP, 2006. http://dx.doi.org/10.1063/1.2202424.

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8

Minh, Chanh Cao, Ernesto Bordon, Martin Hurliman, et al. "Field-Test Results of the New Combinable Magnetic Resonance Autotune Logging Tool." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 2005. http://dx.doi.org/10.2118/96759-ms.

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9

Demougeot, Nicolas, Franklin van den Hout, Danny Grobbe, and Wenping Wang. "A Proven Engine Optimizer for the Aeroderivative Industry: Challenges and Solutions." In ASME Turbo Expo 2022: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/gt2022-83026.

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Abstract Premixed combustion systems are the ticket for low pollutant emissions, but they are also inherently unstable. With the introduction of the new operating requirements for Power Generation Gas Turbines, initiated by renewable energy sources, premixed combustion systems require not only revamping but also non-stop condition monitoring and tuning. Severe noise (pressure pulsations) within the combustor can lead to significant damage and accelerated wear. Also, the introduction of Hydrogen itself as an Energy Storage Solution and a potential fuel for use in Gas Turbines has complicated this process even more. Manually tuning these engines used to be only a once-or-twice-a-year seasonal activity and always leads to the introduction of ample margins to safeguard against normal deviations over time from season and engine degradation. This has, unfortunately, been limiting the potential improvements in overall emission levels as well as gas turbine efficiency. Such manual tuning has now slowly evolved into fully automated real time tuning versions such as our AutoTune system (AT) and they have been already in use in the Heavy-Duty Gas Turbine Industry for over fifteen years. Thomassen has started transferring this knowledge and experience also to the fleet of Aeroderivative Gas Turbines such as the LM6000PD DLE and the LM2500 DLE. To accomplish the transfer of the existing AT Technology, a dynamic model of the LM6000PD DLE, was further enhanced to include the full DLE combustion system and process. This model can be run from within the Woodward GAP software. The closed loop entailed that the dynamic model included an emissions and combustion dynamics model. The values would be sent to the AT box, whereafter the AT box could send corrective actions via Modbus back to the LM6000PD Simulator/controller after processing. A textbook perfect simulator was born in which the actions and reactions of both AT and Aeroderivative Engine could be analyzed, monitored, and optimized simultaneously. With the results of some actual manual field mappings of LM6000PD’s the dynamic model was perfected and the original Autotune system could be revamped and tested for use with Aeroderivative Industrial Engines. Challenges existed in the integration of the Autotune actions and permissives into the current LM6000PD WoodWard controller (GAP) It had to be done in such a way that this additional logic remains supportive in the optimization process of engine Emissions and Combustion Dynamics, closely representing actual manual seasonal mapping but without intruding or overriding the core engine control and protection of the engine itself. AT always acts as a slave while the core engine control is always the master. Autotune for LM-DLE has been successfully tested on the closed loop simulator and some of the new AT functionality has also been validated on a real engine. The results show promising and realistic improvements in In-Window emissions of NOX and CO as well as Cross-Window Gas Turbine Efficiency improvements. The efficiency improvement option is the most important part and is further detailed in this paper. Full demonstration and validation of the new AT system is now being prepared on a real LM6000PD DLE engine (demonstrator). The next step is to perform simulator trials on a further adopted and enhanced dynamic model of the LM2500 DLE.

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Lin, Yuhua, and Haiying Shen. "Autotune: game-based adaptive bitrate streaming in P2P-assisted cloud-based vod systems." In 2015 IEEE International Conference on Peer-to-Peer Computing (P2P). IEEE, 2015. http://dx.doi.org/10.1109/p2p.2015.7328526.

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Relatórios de organizações sobre o assunto "Autotune"

1

Jibonananda, Sanyal, and Joshua New. Oak Ridge Institutional Cluster Autotune Test Drive Report. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1146987.

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2

Ranjan, Niloo, Jibonananda Sanyal, and Joshua Ryan New. In-Situ Statistical Analysis of Autotune Simulation Data using Graphical Processing Units. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1093099.

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