Journal articles: 'LADRI'

1

Boccara, Paolo. "Ladri di biciclette. Neorealismo dell'inconscio." INTERAZIONI, no. 2 (November 2019): 163–66. http://dx.doi.org/10.3280/int2019-002012.

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Cazzola, Matilde. "Guardie, ladri e la giurisprudenza dell’anticipazione." Rechtsgeschichte - Legal History 2023, no. 31 (2023): 257–59. http://dx.doi.org/10.12946/rg31/257-259.

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Torunn Haaland. "Bicycle Thieves (Ladri di biciclette) (review)." Modernism/modernity 16, no. 2 (2009): 463–65. http://dx.doi.org/10.1353/mod.0.0071.

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Mary, Jean-Baptiste. "Piana (Corse-du-Sud). Castellacciu / Castellu a i ladri." Archéologie médiévale, no. 51 (December 20, 2021): 272–73. http://dx.doi.org/10.4000/archeomed.40903.

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Smith, Leigh. "Unraveling the Legacy: Social Commentary in Ladri di saponette." Italian Culture 18, no. 2 (January 1, 2000): 105–18. http://dx.doi.org/10.1179/016146200803707474.

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Chiai, Gian Franco. "Ladri di vestiti in Sicilia: Adrano, Efesto, i Palici e la giustizia divina." Mythos, no. 12 (December 1, 2018): 9–46. http://dx.doi.org/10.4000/mythos.285.

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Francese, Joseph. "Of shame and humiliation in Ladri di biciclette: 'Ciccio formaggio' and 'Tammurriata nera'." Journal of Italian Cinema & Media Studies 8, no. 2 (March 1, 2020): 237–54. http://dx.doi.org/10.1386/jicms_00019_1.

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Abstract In what follows I analyse how two Neapolitan songs enhance viewer perspective of the personalities of the protagonists of the classic film of Italian neorealism, Ladri di biciclette (Bicycle Thieves) by De Sica (1948), Antonio Ricci and his son Bruno. The first, 'Ciccio formaggio', casts into relief Antonio's masculine self-image, particularly his reaction to the impact of unemployment on his traditional role of pater familias and to the possibility of public humiliation, should he fail to retrieve his bicycle. While 'Ciccio' sheds light on the tension in the marital relationship, 'Tammurriata' allows the viewer to consider Bruno's marginalization within a self-perpetuating cycle of poverty, thus shifting focus, at least partially, from the father to the long-term effects on the son (for which Antonio feels shame born of inadequacy).

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Kartal, Esma. "Defining Italian Neorealism: A Compulsory Movement." CINEJ Cinema Journal 2, no. 2 (June 10, 2013): 140–48. http://dx.doi.org/10.5195/cinej.2013.73.

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Being one of the most influential cinematic movements in film history, Italian neorealism has not been very easy to define. Although one can easily recognize a neorealist film, not all neorealist films share the exact same characteristics. In this paper, four films that have often been labeled as neorealist will be discussed in light of their makers’ views on neorealism and the general characteristics of neorealism as a movement. These films are Roberto Rossellini’s Germania anno zero (1948), Vittorio De Sica’s Ladri di biciclette (1948) and Umberto D. (1952), and lastly Federico Fellini’s La strada (1954).

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Dygul, Jolanta. "The view from Warsaw: Italian neorealism in Stalinist-era Poland." Journal of Italian Cinema & Media Studies 11, no. 3 (June 1, 2023): 615–25. http://dx.doi.org/10.1386/jicms_00201_1.

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Italian neorealist films were quite popular in Stalinist-era Poland (1945–53). As part of the propaganda strategy, they were used to create a negative image of life in western countries, thus confirming the omnipresent vision of ‘rotten capitalism’. The social criticism contained in neorealism was manipulated through a modal framework that explained to the Polish audiences all phenomena as a product of a bad social system based on injustice and exploitation. The aim of this article is to examine Polish reviews of two neorealist films: Ladri di biciclette (Bicycle Thieves) () and La terra trema (The Earth Trembles) () both presented to Polish audiences in 1951.

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10

Bielańska, Anita. "Non solo "Ladri di biciclette". L’Italia fascista nei primi film di Vittorio de Sica." Annales Universitatis Paedagogicae Cracoviensis. Studia de Cultura 1, no. 9 (2017): 206–14. http://dx.doi.org/10.24917/20837275.9.1.18.

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Abstrakt L’articolo prende in esame l’opera prima del regista Vittorio De Sica, in particolare i suoi primi quattro film: "Rose scarlatte" (1940), "Maddalena zero in condotta" (1941), "Teresa Venerdì" (1941) e "Un Garibaldino in convento" (1942). Oltre a collocare l’opera del regista italiano nel contesto politico, sociale e culturale dell’ultimo decennio del regime fascista, vengono analizzati i messaggi impliciti delle singole pellicole, abilmente nascosti sotto una maschera comica: p.es. l’emancipazione femminile, il carattere repressivo delle istituzioni e la problematica del "Strapaese e Straccittà". Nie tylko "Złodzieje rowerów" – faszystowskie Włochy w pierwszych filmach Vittoria de Siki Artykuł analizuje cztery pierwsze filmy Vittoria De Siki: "Szkarłatne róże" (1940), "Magdaleno, dwója ze sprawowania" (1941), "Teresa Venerdì" (1941) oraz "Un Garibladino in convento" (1942), pod kątem ich kontekstu politycznego, społecznego i kulturowego. Analiza poszczególnych dzieł pozwala ukazać ich zawoalowane przesłanie (np. dotyczące emancypacji kobiet, represyjnej natury instytucji oraz problematyki "Strapaese i Straccittà"), ukryte pod maską komizmu.

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Beri, Emiliano. "«Contrabbandieri, pirati e ladri di mare». Bonifacini e napoletani nella marina di Pasquale Paoli (1756-1768)." SOCIETÀ E STORIA, no. 132 (July 2011): 249–76. http://dx.doi.org/10.3280/ss2011-132002.

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L'articolo esamina alcuni aspetti poco noti della marina creata ex novo dal governo cňrso ribelle di Pasquale Paoli, emersi in seguito all'analisi di numerose fonti in gran parte inedite. Un ruolo decisivo nella nascita e nello sviluppo della flotta "paolista" fu svolto dalle marinerie di Bonifacio, dei regni di Napoli e di Sicilia e dei presidi toscani sotto dominio napoletano. L'autore analizza i legami, non privi di tensioni, che unirono in gruppi di interesse alcuni dei principali corsari e contrabbandieri "paolisti" con uomini di mare, mercanti, mediatori e funzionari pubblici stranieri (napoletani soprattutto, ma non solo), mettendoli in condizione di usufruire delle risorse e delle ampie reti di relazioni proprie di questi soggetti. Un caso specifico, quindi, che permette tuttavia di gettare una luce piů ampia su fenomeni e problematiche proprie del mondo marittimo d'antico regime. In primo luogo il complesso intreccio di interessi che ruotavano intorno alla guerra di corsa e al contrabbando. In secondo luogo il ruolo strategico rivestito da alcune tipologie di merci e di risorse (come il sale e i disertori) e il diffuso ricorso a false identitÀ e "bandiere ombra". Si tratta di fenomeni che solitamente emergono con maggior vigore durante i periodi di guerra e risultano, quindi, particolarmente evidenti nel quadro del conflitto cňrso-genovese, grazie anche all'intreccio con la cruciale questione del riconoscimento della bandiera cňrsa.

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12

Di Salvatore, Maria. "PRESENZA E FUNZIONE DELLA CANZONE NAPOLETANA NEL FILM LADRI DI BICICLETTE (1948) DI VITTORIO DE SICA." Forum Italicum: A Journal of Italian Studies 41, no. 2 (September 2007): 438–55. http://dx.doi.org/10.1177/001458580704100209.

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13

Bizzarri, Virginia. "Anima e coraggio. Il paziente svela il sintomo, il terapeuta cerca il simbolo." STUDI JUNGHIANI, no. 35 (February 2013): 113–24. http://dx.doi.org/10.3280/jun2012-035007.

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L'autrice s'interroga sul senso attribuibile al tertium, riferimento spaziale e temporale ricorrente nell'opera junghiana. Partendo dal sintomo alla volta del simbolo e, parallelamente, procedendo dalle parole alle immagini, l'autrice presenta la funzione trascendente come ponte interpersonale e intrapersonale che permette alla diade analitica di creare con sacrificio lo spazio per accogliere contemporaneamente il reale e il potenziale, l'immanente e il trascendente. Il materiale del paziente, che rinasce ed č contenuto nel presente dal setting e dalla relazione analitica, diventa un altro terzo elemento, nuova energia psichica liberata e disponibile per proseguire il processo di guarigione di sé. In quest'ottica, anche la sabbia č presentata come terzo luogo possibile ove rappresentare e congedare vecchie e nuove forme di esistenza ed esperienza: toccando il complesso e lasciando risuonare gli archetipi, si procede sul sentiero dell'individuazione di cui paziente e analista sono a tratti alterni, guardiani e ladri.

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14

Klejsa, Konrad, and Anna Miller-Klejsa. "Almost as good as Soviet cinema: Reception of Italian neorealism in Poland: 1946‐56." Journal of Italian Cinema & Media Studies 9, no. 3 (June 1, 2021): 367–84. http://dx.doi.org/10.1386/jicms_00082_1.

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With the onset of the Cold War, the cinema culture in the People’s Republic of Poland underwent rigorous transformation. One of its aspects was the new film import schema: most of the international sources dried up to be replaced, for the most part, by films from the Communist Bloc. However, Italian films constituted an important exception. This article investigates the critical reception of Italian neorealist films in Poland in the first decade after the war, focusing mainly on reviews published in Film, the most relevant Polish magazine dedicated to cinema culture. The first part of the article outlines critical debates on differences and similarities between neorealism and socialist realism. The latter part of the article focuses on the critical reception of Vittorio De Sica’s Ladri di biciclette (Bicycle Thieves) and Miracolo a Milano (Miracle in Milan), as evaluations of the Italian director’s cinema fluctuated during the Stalinist period and after the thaw.

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15

Raffi, Francesca. "Resubtitling Italian cinema classics: case studies of De Sica’s Ladri di Biciclette (1948) and Fellini’s La Strada (1954)." Translator 26, no. 1 (January 2, 2020): 61–76. http://dx.doi.org/10.1080/13556509.2019.1696727.

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16

Chen, Thomas. "An Italian bicycle in the people’s republic: Minor transnationalism and the Chinese translation of Ladri di biciclette/Bicycle Thieves." Journal of Italian Cinema & Media Studies 2, no. 1 (March 1, 2014): 91–107. http://dx.doi.org/10.1386/jicms.2.1.91_1.

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17

White, Anne, and Davide Morena. "Shifting frames of reference, or what Maurizio Nichetti’s Ladri di saponette/The Icicle Thief can tell us about watching films on television." New Cinemas: Journal of Contemporary Film 1, no. 3 (March 3, 2003): 179–90. http://dx.doi.org/10.1386/ncin.1.3.179/0.

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18

Brizio-Skov, Flavia. "Rocco Schiavone, la serie TV: problemi di genere, giustizia e legalità." Italica 99, no. 3 (September 1, 2022): 334–49. http://dx.doi.org/10.5406/23256672.99.3.03.

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Abstract Rocco Schiavone (2016–), la fortunata serie TV ormai giunta alla quarta stagione con una quinta in preparazione, nasce nel 2016 dagli omonimi romanzi di Antonio Manzini e viene trasmessa da Rai 2. Il programma, prodotto da Rai Fiction, Cross Productions, e Beta Film, registra una media di 3,3 milioni di telespettatori per episodio e uno share di oltre il 13% nella prima stagione. Nella seconda stagione mantiene tre milioni di spettatori per episodio e nella quarta uno share del 10.3% con 2.570.000 spettatori. Il successo si ripete anche all'estero e la popolarità dello scorbutico, sboccato, ma dal cuore d'oro vicequestore aggiunto della Questura di Aosta (interpretato da uno splendido Marco Giallini) continua a crescere dentro e fuori l'Italia. Grazie ai riscontri positivi della serie sul vicequestore trasteverino e alla notorietà di altre Rai Fiction come L'amica geniale e Il Cacciatore, i critici parlano di stagione d'oro della serialità italiana. Il grande successo di pubblico deve attribuirsi al fatto che il personaggio di Rocco Schiavone, duro con se stesso come con gli altri, scontroso, insofferente, nasconde dietro il suo cinismo un forte senso di umanità e una personalissima idea di giustizia. In queste pagine, si vuole infatti dimostrare come la fortuna di questa fiction sia dovuta a due fattori: una operazione di ibridismo operata all'interno del genere giallo, con una mescolanza delle formule e un assemblaggio di topoi provenienti da vari sotto-generi; e una continua contrapposizione tra giustizia e legalità, ovvero tra quello che il codice penale richiede a un rappresentante della legge, e le libertà che il nostro vicequestore si prende. Libertà che costringono lo spettatore a interrogarsi su una miriade di quesiti che lo pongono di fronte ai problemi dell'Italia di oggi, e esulano i confini della città di Aosta dove le storie si svolgono, forzandolo a ponderare su dilemmi universali: È giusto farsi giustizia da soli? È giusto ingannare i disonesti? È giusto rubare ai ladri per dare ai bisognosi? È giusto avere un codice etico personale e amministrare la giustizia? Che tipo di società è quella che permette abissi di povertà? Giustizia e Legge coincidono?

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19

Fantazzi, Charles, and Mario Tobino. "La ladra." World Literature Today 59, no. 3 (1985): 414. http://dx.doi.org/10.2307/40140901.

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Darnell, Helena, and Anja Kauranen. "Arabian Lauri." World Literature Today 72, no. 3 (1998): 657. http://dx.doi.org/10.2307/40154178.

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21

Hariz, Marwan I. "Lauri Laitinen." Neurochirurgie 52, no. 4 (September 2006): 387–88. http://dx.doi.org/10.1016/s0028-3770(06)71235-8.

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22

Siikala, Anna-Leena. "Lauri Honko (19322002)." Fabula 44, no. 1 (May 2003): 145–48. http://dx.doi.org/10.1515/fabl.2003.003.

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23

Sun, Changhao, Mengqi Liu, Chang’an Liu, Xueling Feng, and Hua Wu. "An Industrial Quadrotor UAV Control Method Based on Fuzzy Adaptive Linear Active Disturbance Rejection Control." Electronics 10, no. 4 (February 4, 2021): 376. http://dx.doi.org/10.3390/electronics10040376.

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In this paper, a fuzzy adaptive linear active disturbance rejection control (Fuzzy-LADRC) is proposed for strong coupling and nonlinear quadrotor unmanned aerial vehicle (UAV). At present, UAV conveys new opportunities in the industry, such as power line inspection, petroleum conduit patrolling, and defects detection for the wind turbine, because of its advantages in flexibility, high efficiency, and economy. Usually, the scene of the UAV mission has a high risk, and there are internal sensor noise and unknown external disturbance. Thus, the attitude stability and anti-interference ability of UAV are especially essential. To solve the strong coupling problem of UAV, the dynamics model of UAV is established via the Newton-Euler method, and the coupling part of dynamics is modeled as an internal disturbance. According to the function of linear active disturbance rejection control (LADRC) parameters, a Fuzzy-LADRC is proposed to improve the dynamic performance of the system. The proposed control method makes full use of the adaptive ability of the fuzzy controller and the anti-interference ability of LADRC to the nonlinear and strong coupling systems. As we know, this is the first time that Fuzzy-LADRC has been used in UAV control. In the simulation, the performance indicators of four controllers, including Fuzzy-LADRC, LADRC, PID, and Fuzzy-PID are compared and analyzed. The results indicate that the average response speed of Fuzzy-LADRC is 12.65% faster than LADRC, and it is 29.25% faster than PID. The average overshoot of Fuzzy-LADRC is 17% less than LADRC and 77.75% less than PID. The proposed control method can significantly improve the response speed and anti-interference ability of UAV.

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24

Song, Jia, Jiangcheng Su, Yunlong Hu, Mingfei Zhao, and Ke Gao. "Stability and performance comparison analysis for linear active disturbance rejection control–based system." Transactions of the Institute of Measurement and Control 44, no. 10 (January 16, 2022): 2037–48. http://dx.doi.org/10.1177/01423312211065918.

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This paper investigates the stability and performance of the linear active disturbance rejection control (LADRC)–based system with uncertainties and external disturbance via transfer functions and a frequency-domain view. The performance of LADRC is compared with the state-observer-based state feedback control (SOSFC) and state feedback control (SFC). First, the transfer functions and the error transfer functions for LADRC, SOSFC, and SFC are studied using the state-space method. It is proven that the LADRC-, SOSFC-, and SFC-based closed-loop systems have the same transfer function from the reference input to the output and achieve the same control effects for the nominal system. Then, it is proven for the first time that the LADRC has a better anti-interference ability than the SOSFC and SFC. Besides, the asymptotic stability condition of LADRC-based closed-loop system considering large parameter perturbations is given first. Moreover, the sensitivity analysis of the closed-loop system is carried out. The results show that the LADRC has stronger robustness under parameter perturbations. According to the results, we conclude that the LADRC is of great disturbance rejection ability and strong robustness.

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Ohoiwutun, Alexander. "Latihan Lari Menggunakan Karet Terhadap Kecepatan Lari 100 m." Musamus Journal of Physical Education and Sport (MJPES) 2, no. 02 (April 30, 2020): 77–89. http://dx.doi.org/10.35724/mjpes.v2i02.2830.

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Hasil penelitian menunjukkan terdapat pengaruh latihan lari dengan karet beban terhadap kecepatan lari 100-meter. Metode yang digunakan dalam penelitian ini adalah One-Group Pretest-Posttes design, dengan jumlah sampel sebanyak 15. Hasil penelitian nilai sig hitung data pretest dan posttest adalah 0.000 artinya kecil daripada 0,05 maka, disimpulkan ada pengaruhnya latihan dengan berlari menggunakan karet beban terhadap kecepatan berlari jarak pendek 100-meter yaitu nilai t hitung sebesar -15. 965 sedangkan t tabel sebesar 1.761 dan perhitungan yang dilakukan nilai t hitung lebih kecil dari t tabel (-15.965 < 1.761).

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Gaos Sungkawa, Muhammad Guntur, and Muhamad Syamsul Taufik. "Pengaruh Latihan Lari Interval Terhadap Hasil Lari 1500 Meter." SPORTIVE: Journal Of Physical Education, Sport and Recreation 5, no. 2 (September 1, 2021): 144. http://dx.doi.org/10.26858/sportive.v5i2.22353.

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Penelitian ini bertujuan untuk mengetahui pengaruh latihan interval terhadap hasil lari 1500 meter. Penelitian ini menggunakan metode eksperimen dengan variabel perlakuan latihan lari interval, sedangkan variabel terikat adalah lari 1500 meter. Sampel penelitian 23 orang mahasiswa Penjas yang diambil secara stratified random sampling melalui teknik matching paired. Dari data diatas dapat terlihat bahwa nilai signifikansi untuk data pretest dan post test eksperiment sebesar 0,00 yang berarti hipotesis diterima. Begitu pula dengan data pretest dan post test kelompok control sebesar 0,003 yang berarti hipotesis diterima.Hasil penelitian ini menyimpulkan bahwa Latihan interval berpengaruh terhadap hasil lari 1500 meter atau dengan kata lain terdapat pengaruh yang signifikan Latihan interval terhadap hasil lari 1500 meter.Kekuatan juga memegang peranan yang sangat penting dalam melindungi dan meminimalisir praktisi olahraga khususnya atlet dari kemungkinan terjadinya cidera yang dapat menghambat prestasi atlet itu sendiri

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Zhao, Mingfei, Yunlong Hu, and Jia Song. "Improved Fractional-Order Extended State Observer-Based Hypersonic Vehicle Active Disturbance Rejection Control." Mathematics 10, no. 23 (November 23, 2022): 4414. http://dx.doi.org/10.3390/math10234414.

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In this work, a novel fractional-order extended state observer (FOESO)-based linear active disturbance rejection control (LADRC) method is firstly proposed for a hypersonic vehicle (HV) to address the measurement noise problem. The uncertainty and external disturbance of an HV was discussed and addressed by the active disturbance rejection control and many different control methods in recent decades. However, the research of an HV with measurement noise is insufficient. For the LADRC, the anti-noise ability is highly dependent on the bandwidth of the extended state observer (ESO). Meanwhile, the control performance of the LADRC is relevant to the bandwidth. The FOESO is presented, aiming to address the tradeoff of the control performance or noise suppression. The FOESO-based LADRC (FOESO-LADRC) introduces fractional calculus. It can enhance the anti-noise ability with little influence on the control performance. The simulation results show that the FOESO-LADRC has a significant improvement in the noise suppression. In addition, compared with the LADRC, it obtains a better solution to address the tradeoff between the bandwidth and noise impact.

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Graeme, Roland. "La gazza ladra (1817)." Opera Quarterly 9, no. 4 (1993): 213–16. http://dx.doi.org/10.1093/oq/9.4.213.

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Duquesne, Martine. "Entretien avec Lauri Honko." Ethnologie française 33, no. 2 (2003): 237. http://dx.doi.org/10.3917/ethn.032.0237.

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Robins, D. Stephen. "Safety of Lacri-Lube$$." Anesthesia & Analgesia 65, no. 10 (October 1986): 1091. http://dx.doi.org/10.1213/00000539-198610000-00025.

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Ariste, P. "LAURI KETTUNEN (1885—1963)." Linguistica Uralica 21, no. 3 (1985): 217. http://dx.doi.org/10.3176/lu.1985.3.07.

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Zhou, Xuesong, Jiayao Wang, and Youjie Ma. "Linear Active Disturbance Rejection Control of Grid-Connected Photovoltaic Inverter Based on Deviation Control Principle." Energies 13, no. 15 (July 23, 2020): 3790. http://dx.doi.org/10.3390/en13153790.

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Photovoltaic grid-connected power generation systems are easily affected by external factors, and their anti-interference performance is poor. For example, changes in illumination and fluctuations in the power grid affect the operation ability of the system. Linear active disturbance rejection control (LADRC) can extract the “summation disturbance” information from the system and eliminate the disturbance at the fastest speed by controlling the signal before it affects the final output of the system. In this paper, an improved linear ADRC based on the principle of deviation control is proposed, and the voltage outer loop is controlled by an improved LADRC. This improved LADRC takes the deviation between each state variable and its observed value as the regulation basis for each state variable of the linear extended state observer (LESO). Based on the analysis of the bode diagram in the frequency domain, it can be concluded that, compared with the unimproved LADRC, the new LADRC has better disturbance rejection performance. The simulation results show that the control performance of the new, improved LADRC is better than that of the unimproved LADRC under different operating conditions, and it has better stability performance and anti-disturbance performance.

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Li, Haoda, Xinyu An, Rendong Feng, and Ying Chen. "Motion Control of Autonomous Underwater Helicopter Based on Linear Active Disturbance Rejection Control with Tracking Differentiator." Applied Sciences 13, no. 6 (March 17, 2023): 3836. http://dx.doi.org/10.3390/app13063836.

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As a new disk-shaped autonomous underwater vehicle (AUV), the autonomous underwater helicopter (AUH) is devoted to subsea operations, usually diving into the seabed and docking with a subsea docking system. Due to the motion control’s performance, the AUH’s stability and steady-state accuracy are affected remarkably while docking. Moreover, considering the difficulties of hydrodynamic modeling of AUHs, the classical model-based control method is unsuitable for AUHs. Moreover, there is a large gap between the hydrodynamic simulation results and real situations. Hence, based on the data-driven principle, the linear active disturbance rejection control with a tracking differentiator (LADRC-TD) algorithm is employed for AUH depths and heading control. As the simulation experiments prove, LADRC and LADRC-TD have better anti-interference performance when compared with PID. According to the pool experiments, overshoots of the LADRC-TD are 20 cm and 3° for the depth control and heading control, respectively, which are superior to PID and LADRC. Meanwhile, the steady-state accuracy of the LADRC-TD is ±21 cm and ±2.5° for the depth and heading control, respectively, which is inferior to PID and the same as LADRC.

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Li, Xianming, Jiabo Tong, and Haotian Zhu. "QUAV attitude control based on linear active disturbance rejection control." Applied and Computational Engineering 20, no. 1 (October 23, 2023): 62–71. http://dx.doi.org/10.54254/2755-2721/20/20231076.

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Unmanned Aerial Vehicle (UAV) are currently gaining popularity. This paper proposes a method to apply Linear Active Disturbance Rejection Control (LADRC) to Quadrotor Unmanned Aerial Vehicle (QUAV) controller to optimize the traditional PID controller. Firstly, the application and shortcomings of traditional PID control in UAV are introduced, and the LADRC method is proposed. Then linear simplification and Parameter Setting of ADRC are carried out. In the Simulink environment, according to the mathematical model of the QUAV, a QUAV dynamics simulation platform is established. Finally, according to different control channels, different control algorithms are designed, and tracking models are introduced in various attitudes to simulate and verify the control effect of LADRC. The results show that the LADRC controller is effective, the LADRC can be effectively combined with the traditional PID control. The application in the QUAV can realize more precise QUAV speed tracking control and the stable flight of the QUAV. Compared with the traditional PID controller, under the experimental conditions of this paper, the LADRC controller has more precise control accuracy and more efficient control efficiency. Finally, this paper summarizes the design of LADRC and makes a brief outlook on the development of UAVs.

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Zhang, Wangdong, Bo Fan, Chao Lu, and Huimin Liu. "LADRC Based Digital Control DC-DC ASIC Design." Journal of Physics: Conference Series 2290, no. 1 (June 1, 2022): 012074. http://dx.doi.org/10.1088/1742-6596/2290/1/012074.

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Abstract The Internet of Things (IoT) systems require power management modules to have the characteristics of low power consumption, high conversion efficiency, high integration, stable output, and good dynamic response. Due to its ease of tuning and superior control performance, linear active disturbance rejection control (LADRC) is an attractive design option. Yet, to date, due to its high complexity, LADRC has been used in software systems, while little effort has been made in its hardware implementation. In this work, we investigate and explore efficient hardware implementation of the LADRC algorithm. A fully integrated digital LADRC controller for DC-DC Buck converters is synthesized with UMC 55 nm CMOS process. Its input voltage is 5V, stable output voltage is 2V, and rated operating current is 100mA. To our best knowledge, this is the first work to implement LADRC algorithms in hardware. Simulation results show that the LADRC controller is superior to the PID controller in the terms of start-up time, line regulation, load regulation.

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Zou, Yarong, Wen Tan, Xingkang Jin, and Zijian Wang. "An Active Disturbance Rejection Control of Large Wind Turbine Pitch Angle Based on Extremum-Seeking Algorithm." Energies 15, no. 8 (April 13, 2022): 2846. http://dx.doi.org/10.3390/en15082846.

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This paper proposes the analysis and design of the linear active disturbance rejection controller (LADRC) for the pitch angle model of a large wind turbine generator (WTG). Since the transfer function of the pitch control system exhibits nonminimum-phase characteristics, the parameters of LADRC are difficult to tune using the conventional bandwidth method. On the basis of PI controller parameters to first-order LADRC parameters, an optimization problem is proposed in this paper to find the parameters of an LADRC for the pitch control system under the constraint of robustness measure, and the extremum-seeking (ES) algorithm is used to solve the problem. Simulation results show that LADRC can achieve better tracking and disturbance rejection performance than traditional PI control without loss of robustness against time delay.

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Wang, Hongfu, Qinghua Zeng, An Wang, and Zongyu Zhang. "Application of Gap Metric to LADRC Design in Multilinear Model of SDR." International Journal of Aerospace Engineering 2022 (May 6, 2022): 1–13. http://dx.doi.org/10.1155/2022/2669954.

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The solid ducted rocket ramjet (SDR) system faces many disturbances in the process of operation, and the linear active disturbance rejection controller (LADRC) has been widely used in engineering to solve such problems. However, the SDR also has strong nonlinearity, which brings a great challenge to the application of the LADRC in the gas flow regulation of the SDR. And the problem of fast adjustment of the “compensation factor” is one of the main difficulties in LADRC. In this paper, under the LADRC frame, the gas generator system’s closed-loop stability of the SDR was analyzed and the range of compensation factors had been calculated, and then, the “gap factor” was introduced and the “cross-iteration” method was used to quickly map out the “compensation factor” in the multilinear model controller based on the variation of the zero-point position of the system and the gap metric between adjacent set points. This greatly simplifies the parameter tuning process of the LADRC when it was applied to strongly nonlinear systems. Finally, through the comparison of simulation with adaptive PI controller and model-assisted LADRC (M-LADRC), the results have shown that the control method designed in this paper can obtain satisfactory performance and has a good engineering application prospect.

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Wendrowski, Wendy Thomas. "2020 LADR Workshop." Journal of Legal Affairs and Dispute Resolution in Engineering and Construction 13, no. 2 (May 2021): 02021001. http://dx.doi.org/10.1061/(asce)la.1943-4170.0000467.

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Abdul-Malak, Mohamed-Asem U., and Amarjit Singh. "2019 LADR Workshop." Journal of Legal Affairs and Dispute Resolution in Engineering and Construction 12, no. 1 (February 2020): 07319001. http://dx.doi.org/10.1061/(asce)la.1943-4170.0000372.

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Reed, Robert P., Michelle L. Williams, and Jeffrey Szer. "Campylobacter lari bacteremia." Clinical Microbiology Newsletter 20, no. 20 (October 1998): 169–70. http://dx.doi.org/10.1016/s0196-4399(00)88654-7.

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Martinot, M., B. Jaulhac, R. Moog, S. De Martino, P. Kehrli, H. Monteil, and Y. Piemont. "Campylobacter lari bacteremia." Clinical Microbiology and Infection 7, no. 2 (February 2001): 96–97. http://dx.doi.org/10.1046/j.1469-0691.2001.00212.x.

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Pebrita Anjar Santi, Ni Luh Putu, Ida Bagus Rai Wiyadna, and Lale Budi Kusuma Dewi. "ANALISIS KADAR TRIGLISERIDA PADA PELARI BERDASARKAN JENIS LARI YANG DILAKUKAN." Jurnal Analis Medika Biosains (JAMBS) 6, no. 1 (July 18, 2019): 21. http://dx.doi.org/10.32807/jambs.v6i1.121.

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Latar belakang : Trigliserida merupakan salah satu lemak didalam tubuh. Peningkatan kadar trigliserida terjadi karena kegemukan, konsumsi alkohol, serta kurangnya aktivitas sehingga menyebabkan penumpukan trigliserida dalam darah. Penurunan kadar trigliserida dapat dilakukan dengan berbagai cara, salah satunya adalah dengan mengatur gaya pola hidup seperti pengaturan diet dan aktivitas fisik. Tujuan Penelitian : Untuk mengetahui pengaruh jenis - jenis lari terhadap kadar trigliserida pada pelari. Metode Penelitian : Penelitian ini adalah Pra-Experiment. Jumlah sampel yang digunakan sebanyak 27 orang. Hasil penelitian berupa kadar trigliserida pelari dianalisis menggunakan uji Wilcoxon Signed Ranks Test untuk melihat perbedaan hasil kadar trigliserida sebelum dan setelah melakukan lari. Hasil Penelitian : Hasil yang didapatkan dari penelitian ini adalah sebelum lari (119,56) > setelah lari 100m (75,11), sebelum lari (88,11) > setelah lari 1500m (67,22), sebelum lari (71,44) > setelah lari 5000m (56,33). Hasil uji Wilcoxon Signed Ranks Test menunjukkan probabilitas pada kelompok lari 100m dan 1500m adalah (Sig) 0,008 dan pada kelompok lari 5000m adalah (Sig) 0,007 yaitu hasil tersebut berarti nilai P < α 0,05. Kesimpulan : Semakin jauh jarak lari yang ditempuh seorang pelari maka semakin besar pula penurunan kadar trigliserida yang didapat oleh pelari tersebut.

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Ma, Youjie, Luyong Yang, Xuesong Zhou, Xia Yang, Yongliang Zhou, and Bo Zhang. "Linear Active Disturbance Rejection Control for DC Bus Voltage Under Low-Voltage Ride-Through at the Grid-Side of Energy Storage System." Energies 13, no. 5 (March 5, 2020): 1207. http://dx.doi.org/10.3390/en13051207.

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The energy storage inverter system has the characteristics of nonlinearity, strong coupling, variable parameters, and flexible mode switching between parallel and off grid. In order to improve the control performance of the grid-side inverter of the energy storage system, an improved Linear Active Disturbance Rejection Control (LADRC) based on proportional differentiation is proposed to replace the traditional LADRC in the voltage outer loop control. In this paper, the observation gain coefficient of the sum of the disturbances of the traditional Linear Extended State Observer (LESO) is improved to a proportional differentiation link, which effectively reduces the degree of the disturbance observation amplitude drop and the phase lag, and increases the observation bandwidth of LESO. Compared with traditional LADRC, it not only improves the observation accuracy of LESO for disturbance, but also improves the anti-interference performance of LADRC. Finally, the control effects of improved LADRC and traditional LADRC on low-voltage ride-through at different degrees are analyzed and compared through simulation, which proves the rationality of the controller designed in this paper.

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Sanjaya, Irvani Gusri, Mega Kusuma Wijayaningrum, Taufiq NurHidayat, Yoga Setyawan, and Arif Wicaksono Septyanto. "Fuzzy Logic System Untuk Pemilihan Atlet Lari 5000 Meter Terbaik." Jurnal Ilmu Komputer dan Bisnis 13, no. 1 (May 1, 2022): 50–61. http://dx.doi.org/10.47927/jikb.v13i1.267.

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Lari merupakan salah satu olahraga yang di membutuhkan atlet dalam perlombaannya. Atlet yang terbaik merupakan salah satu hal yang wajib dimiliki oleh sebuah komunitas. Masalah yang ada pada penentuan atlet lari 5000 meter masih secara manual belum terdapatnya teknologi dalam penentuan atlet lari 5000 meter. Tujuan dari dilakukan penelitian ini yaitu untuk penentuan atlet lari 5000 meter terbaik. Dalam penentuan atlet lari 5000 meter terbaik, kriteria yang akan digunakan antara lain tinggi badan, berat badan, waktu tempuh, heart rate, vo2max, cadence. Metode fuzzy dan topsis dapat diterapkan dalam pendukung keputusan penentuan atlet lari 5000 meter terbaik yang tersajikan dalam bentuk peringkat penentuan atlet lari 5000 meter terbaik. Hasil dari penelitian yang telah dilakukan yaitu mendapatkan nilai tertinggi dan hasilnya atlet lari 5000 meter terbaik dengan nilai 0.65382.

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Jufinda, Anggil. "UJI COBA START BLOCK BERBAHAN DASAR BAJA RINGAN SEBAGAI MEDIA PEMBELAJARAN LARI JARAK PENDEK KELAS VIII SMP." EDU RESEARCH 1, no. 2 (March 30, 2020): 20–28. http://dx.doi.org/10.47827/vol1iss2pp20-28.

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Lari jarak pendek atau sprint adalah salah satu jenis lari yang dilakukan dengan kekuatan dan kecepatan penuh sepanjang garis lintasan dari start hingga finish dimana pemenangnya ditentukan berdasarkan catatan waktu yang paling singkat. Terdapat tiga jarak lintasan yang dilombakan pada lari jarak pendek, yaitu lari jarak 100 meter, 200 meter dan 400 meter. Start Block adalah alat bantu untuk melakukan start jongkok dalam perlombaan lari di cabang atletik khususnya lari jarak pendek. Karena terbatasnya alat yang dijual di pasar, sehingga menyebabkan kurangnya ketersediaan alat tersebut di sekolah, untuk itu dikembangkanlah start block berbahan dasar baja ringan sebagai media pembelajaran lari jarak pendek. Untuk menentukan start block tersebut dapat digunakan atau tidak, sehingga dilakukan uji coba. Hasil ujicoba start block tersebut adalah sehingga dapat disimpulkan bahwa start block dapat digunakan sebagai media pembelajaran lari jarak pendek

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Hidayati, Sri, I. Bagus Endrawan, and Donny Anhar Fahmi. "Upaya Meningkatkan Hasil Pembelajaran Lari Sprint 100 Meter Melalui Metode Bermain Lari Zig-Zag Rintang Cone." Citius : Jurnal Pendidikan Jasmani, Olahraga, dan Kesehatan 4, no. 1 (June 28, 2024): 191–97. http://dx.doi.org/10.32665/citius.v4i1.3180.

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Pembelajaran lari sprint 100 meter merupakan salah satu aspek penting dalam pendidikan jasmani. Namun, pembelajaran ini dianggap monoton dan kurang menarik bagi siswa, sehingga hasil pembelajaran tidak optimal. Penelitian ini bertujuan untuk meningkatkan hasil pembelajaran lari sprint 100 meter melalui metode bermain lari zig-zag dengan rintang cone. Metode penelitian menggunakan pendekatan Penelitian Tindakan Kelas (PTK) dengan desain siklus yang terdiri dari perencanaan, tindakan, observasi, dan refleksi. Subjek penelitian adalah siswa sekolah menengah pertama yang dipilih secara acak. Instrumen pengumpulan data meliputi tes kecepatan lari 100 meter dan observasi keterampilan lari zig-zag. Data dianalisis menggunakan teknik statistik deskriptif untuk mengukur peningkatan hasil pembelajaran. Hasil penelitian pada awal penelitian, hanya 5 dari 20 siswa yang berhasil menyelesaikan lari sprint 100 meter sesuai target (12 detik untuk putra dan 14 detik untuk putri). Setelah pelatihan pada siklus I, jumlah siswa yang berhasil meningkat menjadi 11 dari 20 siswa. Di siklus II, setelah pelatihan tambahan, 18 dari 20 siswa berhasil menuntaskan lari sprint 100 meter sesuai target. Hasil penelitian menunjukkan bahwa metode bermain lari zig-zag dengan rintang cone secara signifikan meningkatkan hasil pembelajaran lari sprint 100 meter. Siswa menunjukkan peningkatan kecepatan lari dan keterampilan manuver yang lebih baik setelah mengikuti latihan dengan metode ini. Simpulan metode bermain lari zig-zag dengan rintang cone efektif dalam meningkatkan hasil pembelajaran lari sprint 100 meter. Metode ini tidak hanya membuat latihan lebih menarik dan menantang bagi siswa, tetapi juga memberikan kontribusi positif terhadap peningkatan keterampilan lari sprint. Latihan ini mampu melatih ketangkasan dan kecepatan siswa dalam melakukan sprint.

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Niu, Hailong, Qinhe Gao, Zhihao Liu, Shengjin Tang, and Wenliang Guan. "Improved Linear Active Disturbance Rejection Control for Lever-Type Electric Erection System with Varying Loads and Low-Resolution Encoder." Mathematical Problems in Engineering 2019 (January 17, 2019): 1–13. http://dx.doi.org/10.1155/2019/9867467.

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The lever-type electric erection system is a novel kind of erection system and the experimental platform in this paper operates with varying loads and low-resolution encoder. For high accuracy trajectory tracking, linear active disturbance rejection control (LADRC) is introduced. An approximate model, consisting of the servo system configured at velocity control mode and the lever-type erection mechanism, is built by means of system identification and curve fitting. Reduced-order LADRC based on the further simplified model is proposed to improve tracking accuracy and robustness. As comparisons, traditional LADRC and PID with high-gain tracking differentiator (HGTD) are designed. Simulation and experimental results indicate that reduced-order LADRC can realize higher trajectory tracking accuracy with low-resolution encoder and has better robustness to variation in erection loads, compared with traditional LADRC and PID with HGTD.

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Risna Ayu, Ni Made Maya, Anak Ayu Nyoman Trisna Narta Dewi, and Agung Wiwiek Indrayani. "PERBEDAAN KECEPATAN LARI 40 METER PADA ANAK LAKI-LAKI USIA 10-12 TAHUN DENGAN NORMAL FOOT DAN FLAT FOOT DI SEKOLAH DASAR NEGERI 8 DAUH PURI." Majalah Ilmiah Fisioterapi Indonesia 8, no. 1 (January 13, 2020): 1. http://dx.doi.org/10.24843/mifi.2020.v08.i01.p01.

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Kemampuan lokomotor yang penting dimiliki oleh anak untuk melakukan aktivitas sehari-hari adalah kecepatan lari. Kecepatan lari dipengaruhi oleh berbagai kondisi, salah satunya yaitu kondisi flat foot. Kondisi flat foot mengakibatkan terjadinya hiperpronasi forefoot yang akan mengurangi kecepatan lari. Tujuan penelitian ini untuk mengetahui perbedaan kecepatan lari 40 meter pada anak laki-laki usia 10-12 tahun dengan normal foot dan flat foot. Rancangan penelitian menggunakan cross sectional analitik dengan total sampel 48 orang dan dilakukan pada bulan Maret 2019. Penelitian dilakukan dengan memeriksa bentuk arkus pedis normal foot dan flat foot menggunakan Staheli Arch Index dan mengukur kecepatan lari menggunakan lintasan lari sepanjang 40 meter. Teknik analisis data yang dilakukan yaitu uji normalitas menggunakan Shapiro Wilk Test dan uji hipotesis Independent T Test untuk mengetahui perbedaan nilai kecepatan lari pada kelompok normal foot dan flat foot. Hasil Independent T Test mendapatkan nilai p=0,003 (p<0,05) yang berarti terdapat perbedaan kecepatan lari 40 meter yang signifikan pada kelompok normal foot dan flat foot. Hasil penelitian juga menunjukkan nilai rerata kecepatan lari pada kelompok normal foot dan flat foot masing masing 8,18 ± 0,61 dan 8,87 ± 0,88. Simpulan penelitian ini adalah terdapat perbedaan kecepatan lari 40 meter pada anak laki-laki usia 10-12 tahun dengan normal foot dan flat foot, dimana kelompok normal foot memiliki kecepatan yang lebih tinggi dibandingkan kelompok flat foot Kata Kunci: Flat Foot, Normal Foot, Kecepatan Lari 40 meter, Usia 10-12 Tahun, Staheli Arch Index

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Ilham, Ilham, Hendri Munar, and Alek Oktadinata. "Perbedaan Kontribusi Permainan Benteng, Menaruh Bola Terhadap Keterampilan Gerak Dasar Lari Pada Siswa Taman Kanak-Kanak Kelurahan Payo Selincah Kota Jambi." Journal Physical Education, Health and Recreation 1, no. 2 (April 23, 2017): 47. http://dx.doi.org/10.24114/pjkr.v1i2.7566.

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Penelitian ini untuk mengetahui kontribusi permainan perbedaan kontribusi memalui permainan lari dengan permainan benteng dan permainan menaruh bola terhadap kemampuan gerak dasar lari siswa Taman Kanak-Kanak Kelurahan Payo Selincah Kota Jambi, secara khusus penelitian bertujuan untuk mengetahui: (1) Kontribusi permainan benteng terhadap keteampilan gerak dasar lari (2) Kontribusi permainan memindahkan bola terhadap keterampilan gerak dasar lari (3) Perbedaan kontribusi permainan benteng dan memindahkan bola terhadap keterampilan gerak dasar lari. Metode yang digunakan eksperimen, penelitian ini terdapat perlakuan yaitu permainan benteng dan menaruh bola, untuk mengetahui kontribusi terhadap kemampuan gerak dasar lari. Sampel dalam penelitian ini adalah siswa TK Bintang Kelurahan Payo selincah sebanyak 46 orang siswa. Data yang terkumpul dianalisis dengan menggunakan uji t namun sebelumnya dilakukan uji normalitas dan homogenitas. Kesimpulan dari penelitian ini (1) Permainan benteng memberikan kontribusi terhadap peningkatan keterampilan gerak dasar lari pada siswa TK Bintang kelurahan payo selincah (2) Permainan memindahkan bola memberikan kontribusi terhadap peningkatan keterampilan gerak dasar lari pada siswa TK Bintang kelurahan payo selincah (3) Permainan memindahkan bola memiliki kontribusi yang lebih baik dari pada permainan benteng terhadap peningkatan keterampilan gerak dasar lari pada siswa TK Bintang kelurahan payo selincah.

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Yuan, Changsheng, Xuesong Zhou, Youjie Ma, Zhiqiang Gao, Yongliang Zhou, and Chenglong Wang. "Improved Application of Third-Order LADRC in Wind Power Inverter." Energies 13, no. 17 (August 26, 2020): 4412. http://dx.doi.org/10.3390/en13174412.

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In wind power systems, LCL inverters have technical problems. First of all, they are non-linear systems and are no longer adapted to the superposition principle; secondly, the coupling is great; finally, it is easy to be interfered by the outside world, and the interference mainly comes from voltage fluctuations and nonlinear loads on the grid. Therefore, it is difficult to control the output result, and then the improved linear active disturbance rejection control (LADRC) is applied. The main improvement of the improved LADRC lies in the linear extended state observer (LESO). Introducing the total disturbance differential signal in LESO, and in order to improve the ability to suppress high-frequency noise, a series of first-order inertia link was applied. The analysis method in this article is mainly frequency domain analysis, under the condition of obtaining LADRC closed-loop transfer function and frequency band characteristics, theoretical analysis of LADRC tracking estimation ability, disturbance suppression ability, and stability. A large number of experimental simulation results verified the superiority of improving LADRC. The main manifestation is that the improved LADRC not only has a fast response speed but also has a strong ability to suppress disturbances and has a good noise suppression effect in high frequency bands.

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Journal articles on the topic 'LADRI'

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