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Relevant bibliographies by topics / PIR senzor

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Academic literature on the topic 'PIR senzor'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "PIR senzor"

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Jeong, Yeon-Woo, Huynh Ngoc Bao Vo, Seongwon Cho, and Sun-Tae Cuhng. "Intruder Detection System Based on Pyroelectric Infrared Sensor." Journal of Korean Institute of Intelligent Systems 26, no. 5 (2016): 361–67. http://dx.doi.org/10.5391/jkiis.2016.26.5.361.

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Božić, Milan. "PRIMENA PID REGULATORA U STABILIZACIJI I UPRAVLJANJU KRETANJEM KVADKOPTERA." Zbornik radova Fakulteta tehničkih nauka u Novom Sadu 35, no. 03 (2020): 557–60. http://dx.doi.org/10.24867/07be30bozic.

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U radu je prikazan jedan od načina implementacije letelice na daljinsko upravljanje – kvadkoptera za čije upravljanje se koristi STM32F103C8T6 kontroler, za određivanje položaja letelice koristi se inercijalni senzor IMU MPU9250 (akcelerometar i žiroskop) dok se za aktuatore koriste motori bez četkica. Senzorski i aktuatorski deo povezuje tri PID regulatora koji su implementirani u kontroleru. Upravljanje se vrši radio vezom na 2.4GHz modulom za komunikaciju NRF24l01. Letelica obezbeđuje podatke o temperaturi, vlažnosti i atmosferskom pritisku uz pomoć senzora BME280.

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Park, Won Gyeong, Tran Linh Tam, Ho Kyung Lee, and Seongwon Cho. "Intruder Detection System Based on Pyroelectric Infrared Sensor Using Simplified MFCC." Journal of Korean Institute of Intelligent Systems 28, no. 4 (2018): 355–61. http://dx.doi.org/10.5391/jkiis.2018.28.4.355.

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Oboznov, Aleksandr A., Elena D. Chernetskaya, and Yulia V. Bessonova. "Structure of conceptual models in the senior operating staff of nuclear power plants." Psychology in Russia: State of the Art 10, no. 3 (2017): 138–50. http://dx.doi.org/10.11621/pir.2017.0309.

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Khoirunnisa, Adila. "Streaming Android Terintegrasi dengan Sensor PIR sebagai Sensor Gerak." Journal of Applied Electrical Engineering 3, no. 1 (2019): 24–28. http://dx.doi.org/10.30871/jaee.v3i1.1398.

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Streaming merupakan proses pengiriman data secara berkelanjutan yang memungkinkan pengguna mengakses file yang belum diterima secara keseluruhan. Metode streaming dapat diaplikasikan di kehidupan sehari-sehari untuk memantau aktivitas yang sedang berlangsung salah satu contohnya adalah aktivitas di luar pintu. Aktivitas ini dapat bersifat negatif maupun positif. Berdasarkan permasalahan tersebut, penulis merancang sistem pendeteksian aktivitas dengan menggunakan Passive Infrared Sensor (PIR) yang akan mendeteksi pergerakan dari tubuh manusia. Dengan begitu, sensor PIR dapat menjadi bel rumah otomatis apabila ada orang yang berkunjung. Setelah sensor PIR mendeteksi, maka kamera Android (client) akan aktif dan mengirim pergerakan yang sedang berlangsung ke Android (user) agar pemilik rumah dapat memantau secara langsung. Hasil dari penelitian ini menyimpukan layanan video streaming dengan menggunakan protokol TCP telah memenuhi standar dari Quality of Services (QoS) TIPHON dengan menggunakan parameter delay 3,95745 ms dengan kategori sangat memuaskan, parameter throughput 327637,144 bit per second (bps) dengan kategori sangat memuaskan, serta parameter packet loss 0,952% dengan kategori memuaskan. Berdasarkan penelitian yang telah dilakukan, penulis berharap alat ini dapat membantu pemilik rumah dalam memantau aktivitas yang ada di luar pintu dari mana saja.

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K, Bhavani. "Automatic Room Light Controller Using PIR Sensor and Arduino." International Journal for Research in Applied Science and Engineering Technology 9, no. 8 (2021): 2017–19. http://dx.doi.org/10.22214/ijraset.2021.37618.

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Abstract: The mainstay of the project “Automatic room light controller using PIR Sensor and Ardiuno” is the importance of seismological research around the globe is very clear. Where the lights in the room will automatically turn on upon detecting a human motion and stay turned on until the person has left or there is no motion. Initially, when there is no human movement, the PIR Sensor doesn’t detect any person and its OUT pin stays LOW. As the person enters the room, the change in infrared radiation in the room is detected by the PIR Sensor. It can be used to turn ON and OFF the lighting system of the home automatically by detecting the presence of humans. This in turn will make the Arduino to turn OFF the relay (make the relay pin HIGH) and the room light will be turned off quickly as per the time delays sets in the program. Keywords: Aurdino UNO, PIR sensor, Relay unit, room light

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Juliansyah, Akbar, Ramlah Ramlah, and Dewi Nadiani. "Sistem Pendeteksi Gerak Menggunakan Sensor PIR dan Raspberry Pi." JTIM : Jurnal Teknologi Informasi dan Multimedia 2, no. 4 (2021): 199–205. http://dx.doi.org/10.35746/jtim.v2i4.113.

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Digital security and monitoring systems are entering a new era. Every industry is busy developing security systems according to their individual needs. What can be done is by providing a security perimeter around the assets to prevent unwanted things. There are currently many CCTV (Closed Circuit Television) based security systems; CCTV security systems also have less effective because they require more devices and large enough storage memory. Also, there are other solutions, namely systems that are built using PIR sensors and Raspberry Pi. The PIR sensor is used to detect infrared emissions from humans, so the target object is a human. The PIR sensor also receives heat radiation from humans, so when humans move, this sensor will receive changes in radiation emitted by humans. The purpose of this study is to simulate a solution to the problem of infrastructure design for the development of a physical asset security system using a Wireless Sensor Network and to find out how the security system works using a PIR sensor and Raspberry Pi Model B. The research method used is the Network Development Life Cycle (NDLC) approach. This study illustrates that the Raspberry Pi with hardware capabilities and Rasbian OS and the Python programming language support building a security system. The HC-SR501 PIR sensor can also detect moving objects from the right, left, and front. Email and SMS can be well integrated to produce reports according to the sensor's movement.

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Wu, Chia-Ming, Xuan-Ying Chen, Chih-Yu Wen, and William A. Sethares. "Cooperative Networked PIR Detection System for Indoor Human Localization." Sensors 21, no. 18 (2021): 6180. http://dx.doi.org/10.3390/s21186180.

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Pyroelectric Infrared (PIR) sensors are low-cost, low-power, and highly reliable sensors that have been widely used in smart environments. Indoor localization systems can be categorized as wearable and non-wearable systems, where the latter are also known as device-free localization systems. Since the binary PIR sensor detects only the presence of a human motion in its field of view (FOV) without any other information about the actual location, utilizing the information of overlapping FOV of multiple sensors can be useful for localization. In this study, a PIR detector and sensing signal processing algorithms were designed based on the characteristics of the PIR sensor. We applied the designed PIR detector as a sensor node to create a non-wearable cooperative indoor human localization system. To improve the system performance, signal processing algorithms and refinement schemes (i.e., the Kalman filter, a Transferable Belief Model, and a TBM-based hybrid approach (TBM + Kalman filter)) were applied and compared. Experimental results indicated system stability and improved positioning accuracy, thus providing an indoor cooperative localization framework for PIR sensor networks.

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Mori, Tomoteru, Takashi Furuta, and Yasuo Nakazawa. "Development of Ceiling lighting fitting mounted PIR sensor." JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 81, Appendix (1997): 101. http://dx.doi.org/10.2150/jieij1980.81.appendix_101.

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Dharani Devi, P., and C. A. Pavithra. "PIR Sensor based Blaze Barricade using Raspberry Pi." Journal of Physics: Conference Series 1717 (January 2021): 012001. http://dx.doi.org/10.1088/1742-6596/1717/1/012001.

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Dissertations / Theses on the topic "PIR senzor"

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Klimeš, Martin. "Nízkopříkonový zabezpečovací systém sklepního prostoru bez elektrorozvodu." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-413226.

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The work deals with the available options of security devices for basements, design and implementation of its own security equipment. An FPGA chip from Xilinx was used as a device control. The device also contains a GSM module for sending information via SMS about space violation. Intrusion signaling can also be signaled by a siren. Intrusion detection is performed using a door and motion sensor. The whole device is powered by a battery, but there is also the possibility of mains power.

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Sůra, Lukáš. "Automatické ovládání osvětlení." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2014. http://www.nusl.cz/ntk/nusl-221047.

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This diploma work discusses the design of an automatic lighting for the home. Each access point in the rooms is designed to detect with two laser beams. Laser beams can be extended with PIR sensor and a mechanical switch. An access point can be, for example frames . By this is achieved that when entering the room the light is switched on and the light goes off when leaving. Automatic lighting controls consists of the central panel, the remote sensing and the detection frame. The control panel controls laser beams and lights. Remote control is used to switch on/off the light in the certain room. The detection frame is used to detect a person who enters or leaves the room.

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Pejchal, Luboš. "Akviziční jednotka pro zabezpečovací techniku." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219850.

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Project is focused to development of security unit for security of homes, flats and other similar spaces against intruders (thieves). Design is focused to solution of hardware and firmware for security units and their control software for PC. Hardware design solve supply over ethernet PoE, backup of supply, connection securities sensors to security unit. Firmware prevents failure of units and it is communicating with sensors and PC. Software in PC provides settings of security units, deactivating of alarm and measure temperature by security unit.

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David, Jakub. "Zabezpečení perimetru v extrémních podmínkách s využitím senzorových sítí." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-220310.

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This master thesis deals with the theoretical analysis of wireless sensor networks, a description of selected types of sensors, listing their features and principle of operation for intrusion detection perimeter. Then there is described design and implementation of a wireless sensor node for intrusion detection perimeter usable in wireless sensor networks.

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Herold, Radek. "Bytová zabezpečovací ústředna." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218305.

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In the opening part of this thesis, the reader is briefly introduced into safety technique devices. There are basic types of security sensors discussed together with the most common methods of their connection with the security central. Further text focuses on elaborating the main topic of this thesis - the design of home security central equipped with a WiFi interface.

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Odelros, Stina, Jesper Snihs, Martin Ericsson, Johan Gerdin, Magnus Heldin, and Aidin Dadashzadeh. "Filter och kapsling för IR-givare." Thesis, Uppsala University, Department of Engineering Sciences, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-127057.

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<p>This paper describes the work done trying to diminish the noise present in the signal from an IR-detector. The project was aiming towards two different kinds of applications; heat protection and presence detection. The hypothesis was that the signal-noise ratio would decrease if a filter and a proper installation were used for the detector. Some experiments were executed to determine what kind of filter were the most suitable for each application and how these could be installed. After executing the experiments and evaluate the results we recommend to use a specific filter for each application. To install the filter over the detector we evaluated which one of gluing and taping was the best and found that tape is better to use when small amounts are desirable and gluing with silicon is better if large-scale are desired.</p>

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Sanchez, Pedro Andrade. "Design, development, and field evaluation of a soil compaction profile sensor /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2004. http://uclibs.org/PID/11984.

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Shi, Chao. "Molecular fiber sensor probes based on surface enhanced Raman scattering (SERS) /." Diss., Digital Dissertations Database. Restricted to UC campuses, 2009. http://uclibs.org/PID/11984.

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Sampieri, Francesca. "Algoritmi per la misurazione degli angoli articolari degli arti superiori tramite sensori inerziali." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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In questo studio si vogliono analizzare i diversi algoritmi proposti in letteratura necessari per la ricostruzione della cinematica articolare dell’arto superiore, analizzata tramite unità di misurazione inerziale wireless indossabili. L’analisi quantitativa del movimento degli arti superiori del corpo umano può essere di grande utilità nella valutazione delle performance sportive, nella diagnostica, nel monitoraggio e nel trattamento riabilitativo di problemi articolari. Tuttavia, data la complessità dei movimenti consentiti dalle articolazioni degli arti superiori, solo recentemente, grazie allo sviluppo di nuove tecniche e tecnologie, la comunità scientifica ha iniziato a studiarne più nel dettaglio gli aspetti biomeccanici. Negli ultimi anni lo sviluppo delle tecnologie MEMS, hanno portato alla produzione di dispositivi wireless inerziali/magnetici indossabili. Queste piattaforme multi-sensore si sono affermate nel mondo della Motion Capture poiché in grado di registrare ed elaborare in tempo reale i dati del movimento umano in modo del tutto non invasivo in ambienti quotidiani per periodi di tempo prolungati. Per fare ciò è necessario utilizzare appositi algoritmi di sensor fusion che garantiscano l’accuratezza dei dati stimati a fronte dei numerosi errori che corrompono inevitabilmente le misurazioni effettuate dai singoli dispositivi integrati nelle piattaforme inerziali/magnetiche. Le classi di algoritmi per la sensor fusion più comunemente utilizzate nell’analisi del movimento umano, e più in particolare nell’analisi degli angoli articolari degli arti superiori, sono: integrazione, osservazione vettoriale, filtraggio complementare e filtraggio di Kalman.

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Heřman, Petr. "Robot řízený mikroprocesorovou jednotkou PIC." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2015. http://www.nusl.cz/ntk/nusl-235012.

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This thesis describes design of a cheap robot. It includes implementation of firmware of low level control unit based on microcontroller PIC. The firmware drives motors, gains sensors data and communicates with the high level control unit. Furthermore the thesis presents realisation of connection to the robotic operation system ROS and its standard structures allowing usage of existing packages for the robot teleoperation and displaying sensor data on the remote computer. The thesis finally reports experiments with the robot. The constructed prototype is the model of the robotic lawn mower, however the whole solution has universal usage.

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Books on the topic "PIR senzor"

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Shi pin gan guan ping jia. Dongbei lin ye da xue chu ban she, 2006.

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Busco senyor per amistat i el que sorgeixi. Quaderns Crema, 2005.

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Fielder, Peter. Construction and testing of an inexpensive PAR sensor. British Columbia, Ministry of Forests Research Program, 2000.

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Moliner, Empar. Busco senyor per amistat i el que sorgeixi. Quaderns Crema, 2005.

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Chen, Shengyong. Active Sensor Planning for Multiview Vision Tasks. Springer-Verlag Berlin Heidelberg, 2008.

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L'abbé Augustin Diamacoune Senghor: Par lui-même et par ceux qui l'ont connu. L'Harmattan, 2013.

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Brettoni, Augusta, Ernestina Pellegrini, Sandro Piazzesi, and Diego Salvadori, eds. Per Enza Biagini. Firenze University Press, 2016. http://dx.doi.org/10.36253/978-88-6453-404-6.

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In Studi per Enza Biagini sono confluiti saggi di teoria o di comparatistica, affondi in una singola letteratura o in più letterature, traduzioni, poesie, racconti e fumetti che costruiscono un testo di piacevole e agile lettura. Si intersecano generazioni di studiosi, fuori da ogni gerarchia accademica, che hanno condiviso nei decenni la lunga storia e i tanti campi della ricerca di Enza Biagini, rivelando pure il rigore metodologico e l’apertura, quasi senza confini, che ha contraddistinto la sua scuola. Al centro del volume c’è la teoria della letteratura con i suoi concetti e utensili d’analisi appartenenti alla tradizione della retorica, da non intendere qui come tassonomia di tropi e figure, ma quale somma di istanze vive (linguistiche, letterarie, filosofiche, semiotiche, ideologiche) portatrici di interrogativi fondamentali.

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Guarnieri, Patrizia, ed. L’emigrazione intellettuale dall’Italia fascista. Firenze University Press, 2020. http://dx.doi.org/10.36253/978-88-6453-874-7.

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Che cosa accadde ai professori espulsi con le leggi razziali del 1938? E ai più numerosi e meno noti studiosi non strutturati che furono sospesi dal servizio? Che cosa fecero gli studenti cui venne negata l’iscrizione all’università o i neolaureati senza più prospettive per il loro futuro? Gli archivi universitari nulla ci dicono in proposito ; quel che si voleva era che gli studiosi e gli studenti dichiarati di ‘razza ebraica’ fossero cancellati e dimenticati. Non pochi decisero di lasciare l’Italia. Quali furono i loro percorsi e le reti di aiuto? Come vennero trattati all’estero? Quanto soffrì la cultura italiana di quelle perdite? Nel dopoguerra, l’università cercò di recuperarle? Gli espatriati che fossero tornati avrebbero potuto portare nuove conoscenze e idee, ma molti non rientrarono. Perché? Focalizzandosi sul caso rilevante di Firenze, si indaga il minimizzato fenomeno dell’emigrazione intellettuale per motivi politici e razziali. Un recente passato su cui occorre sapere e riflettere.

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Giachino, Monica, and Adriana Mancini. Donne in fuga. Edizioni Ca' Foscari, 2018. http://dx.doi.org/10.30687/978-88-6969-238-3.

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Sotto un titolo senza dubbio attraente e provocatorio, questo libro raccoglie alcuni saggi e articoli essenziali per capire la condizione femminile nel momento in cui questa è posta in discussione, chiamata in causa, mossa dall’impulso alla fuga, da quel difficile spostamento della volontà che rivela chiaramente un potere in movimento, un’energia nomade che le donne, nel corso della storia, hanno sempre saputo praticare.Bajo un título atractivo y provocador, este libro hace algo más que compilar enjundiosos ensayos y artículos en torno a la condición femenina cuando se halla interpelada, convocada, lanzada por la fuga, por ese arduo desplazamiento de la voluntad que deja ver a las claras un poder en movimiento, una energía nómade que las mujeres han sabido practicar a lo largo de la historia.

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Jasink, Anna Margherita, and Giulia Dionisio, eds. MUSINT 2. Firenze University Press, 2017. http://dx.doi.org/10.36253/978-88-6453-396-4.

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Musint 2 si propone come un testo da ‘leggere’ che accompagna il nuovo sito-web MUSINT II, seguendo e innovando le linee generali del precedente MUSINT. Ma, come i due progetti on-line differiscono sia negli aspetti tecnici che nei contenuti, pur mantenendo principi e finalità analoghi, così anche il nuovo volume assume un ruolo che lo rende una novità più consona ai progressi che caratterizzano le discipline archeologiche sia sotto l’aspetto scientifico che quello didattico. Viene mantenuta la suddivisione in tre sezioni. La prima contiene una serie di lavori direttamente legati al sito MUSINT II. Si nota un aumento delle presentazioni relative agli aspetti tecnici e didattici, ritenuti una innovazione del nuovo sito, rispetto ai contributi scientifici intesi in senso più tradizionale. La seconda sezione presenta una esemplificazione di lavori significativi di musealizzazione virtuale, volutamente scelta negli ambiti più vari, sottolineandone il taglio didattico. La terza sezione si presenta sullo stesso piano di quella del volume precedente, anche se sono riscontrabili delle novità proprio nella scelta delle ricerche: vengono infatti presentate tematiche già proposte in fase sperimentale e nuove ricerche che si sono venute individuando nel corso di questi anni attraverso le conoscenze più ampie sulle possibilità di una museologia digitale e interattiva.

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Book chapters on the topic "PIR senzor"

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Conti, Mauro. "Pair-Wise Key Establishment." In Secure Wireless Sensor Networks. Springer New York, 2015. http://dx.doi.org/10.1007/978-1-4939-3460-7_2.

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Pathan, Al-Sakib Khan, and Choong Seon Hong. "Securing Sensor Reports in Wireless Sensor Networks*." In Euro-Par 2007 Parallel Processing. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-74466-5_95.

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Gay, Warren. "DHT11 Sensor." In Advanced Raspberry Pi. Apress, 2018. http://dx.doi.org/10.1007/978-1-4842-3948-3_22.

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Gay, Warren W. "DHT11 Sensor." In Mastering the Raspberry Pi. Apress, 2014. http://dx.doi.org/10.1007/978-1-4842-0181-7_22.

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Gay, Warren W. "DHT11 Sensor." In Experimenting with Raspberry Pi. Apress, 2014. http://dx.doi.org/10.1007/978-1-4842-0769-7_1.

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Khosla, Pradeep K. "Sensor Networks — Promise and Challenges." In Euro-Par 2002 Parallel Processing. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-45706-2_5.

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Horan, Brendan. "A Simple Temperature Sensor." In Practical Raspberry Pi. Apress, 2013. http://dx.doi.org/10.1007/978-1-4302-4972-6_3.

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Xiong, Ji, Fang-Min Li, and Jing-Yuan Zhang. "Human Tracking System Based on PIR Sensor Network and Video." In Advanced Technologies in Ad Hoc and Sensor Networks. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54174-2_2.

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Flurry, Greg. "An Environmental Sensor." In Java on the Raspberry Pi. Apress, 2021. http://dx.doi.org/10.1007/978-1-4842-7264-0_11.

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Coburn, Joseph. "Distance Sensor." In Build Your Own Car Dashboard with a Raspberry Pi. Apress, 2020. http://dx.doi.org/10.1007/978-1-4842-6080-7_13.

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Conference papers on the topic "PIR senzor"

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Wu, Libo, and Ya Wang. "Shuttered Passive Infrared Sensor for Occupancy Detection: Exploring a Low Power Electro-Mechanical Driving Approach." In ASME 2018 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/smasis2018-8112.

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Passive infrared (PIR) sensors are the most popular deployed sensors in building lighting control for individual presence detection. However, PIR sensors are motion detectors in nature, responding only to incident radiation variation, which lead to false negative detections, inaccurate occupancy estimation, and uncomfortable lighting swings, short lifetime of the equipment, and waste of energy. In this study, a shutter driven by a Lavet motor PIR (LAMPIR) sensor is developed for presence detection for both stationary and moving occupants. Building off our previous work on chopped PIR (C-PIR) and rotationally-chopped PIR (Ro-PIR) sensors, Lavet motor, a single-phase electro-mechanical vibrator, is introduced, which has many advantages over traditional servo motors and stepper motors in terms of power consumption, size, weight and noise level. Driven by pulsed signal from a microcontroller unit (MCU), the electro-mechanical vibrator drives a semi-transparent long-wave infrared (LWIR) optical shutter to shutter the field of view (FOV) of a PIR sensor periodically. Output voltage generated by a LAMPIR senor for occupied and unoccupied scenarios can be monitored and analyzed to identify presence accurately. Parametric studies are conducted to find the optimal setting of driving signal frequency, shutter width and shuttering period. The LAMPIR sensor reaches an accuracy of 100% for detecting stationary occupants up to a range of 4.5 m and moving occupants up to a range of 10 m, which improves the detection range of both C-PIR and Ro-PIR sensors (4.0 m for stationary and 8.0 m for moving occupancy detection). LAMPIR has a FOV of 90° in horizontal and 100° in vertical, which is reasonable for most applications. For a 17-hour-long presence detection test, LAMPIR can reach an accuracy of 93.52% to classify unoccupied, stationary and moving occupant scenarios. More importantly, the average power consumption of LAMPIR is 0.19 W, which is 82% less than that of the C-PIR sensor and 89% less than that of the Ro-PIR sensor.

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Liu, Haili, Hanbing Lin, Kevin Wang, and Ya Wang. "A Novel Chopped Pyroelectric Infrared Sensor for Detecting the Presence of Stationary and Moving Occupants." In ASME 2017 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/smasis2017-3930.

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Owing to the unique features of passive sensing, low cost, large detection range and wide field of view (FOV), the pyroelectric infrared (PIR) sensors are widely used for smart home applications based on motion detection, such as light control, intrusion detection. However, due to the pyroelectricity on which their sensing principles are based, PIR sensors cannot detect stationary objects, which confines their applications to advanced sensing systems, e.g. stationary occupancy sensing. To address this issue, this paper develops a novel chopped PIR (C-PIR) sensor for detecting the presence of both moving and stationary occupants, which consists of a chopper, a servo motor, a Fresnel lens, PIR sensing elements and a controller. Theoretical analysis is conducted to reveal the working principles of the proposed C-PIR sensor. A prototype of the C-PIR sensor is fabricated and experiments are conducted to find the optimal option of the chopper material, and the optimal values of the thickness, and the chopping frequency. Results show that the proposed C-PIR sensor can sense human presence no matter if the occupant is moving or not. In experiments, the preliminary prototype shows its detection range up to 4.0 m for stationary occupant sensing and 8.5 m for moving occupant sensing. Meanwhile, the C-PIR sensor maintains the same performance of the field of view as its traditional PIR sensor counterpart. Thus, the C-PIR sensor has great potential to provide accurate occupancy information for smart building energy management.

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Wu, Libo, and Ya Wang. "True Presence Detection via Passive Infrared Sensor Network Using Liquid Crystal Infrared Shutters." In ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/smasis2020-2366.

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Abstract Recently, smart home applications are increasing fast, including but not limited to occupancy-dependent control of lighting, heating and cooling. Passive infrared (PIR) sensors play an important role in these applications to perceive the presence and/or the motion of human. However, PIR sensors are not able to detect stationary occupants while stationary presence takes up most time of the day. And thus, the resulted false negative detection leads to uncomfortable light/temperature swings, shortened equipment’s lifespan, and/or energy waste, etc. To address this issue, our group has developed Synchronized Low-Energy Electronically-chopped PIR (SLEEPIR) sensors that integrate an electronic liquid crystal (LC) infrared shutter with an off-the-shelf PIR sensor. In this work, the infrared shutter made of polymer dispersed liquid crystal (PDLC) sandwiched by two germanium windows is proposed to periodically chop the long-wave infrared signal received by the PIR sensor so that stationary human presence can still be detected due to the electronical shuttering. A sensor module is fabricated, consisting of a wireless microcontroller, a SLEEPIR sensor and a traditional PIR sensor, with a field of view of 103° × 103°. Then, a sensor network consists of two sensor modules is developed. Three types of experiments are conducted in this paper: individual action-based, continuous activity-based, and daily routine-based. The detection logic is made by using the threshold value classification method, where the threshold values are determined from the action-based dataset and applied to the other two datasets. The results show that for activity-based dataset, the average accuracy reached 98.96%. For daily routine-based dataset, the average accuracy is 99.57%.

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Narayana, Sujay, R. Venkatesha Prasad, Vijay S. Rao, T. V. Prabhakar, Sripad S. Kowshik, and Madhuri Sheethala Iyer. "PIR sensors." In the 14th International Conference. ACM Press, 2015. http://dx.doi.org/10.1145/2737095.2742561.

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R., Abu Sajana, Ramanathan Subramanian, P. Vijay Kumar, et al. "A low-complexity algorithm for intrusion detection in a PIR-based Wireless Sensor Network." In 2009 International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP). IEEE, 2009. http://dx.doi.org/10.1109/issnip.2009.5416798.

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Upadrashta, Raviteja, Tarun Choubisa, V. S. Aswath, et al. "An animation-and-chirplet based approach to intruder classification using PIR sensing." In 2015 IEEE Tenth International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP). IEEE, 2015. http://dx.doi.org/10.1109/issnip.2015.7106914.

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Nakagawa, Ryohei, Zhi Wang, and Ken Suzuki. "Area-Arrayed Graphene Nano-Ribbon-Base Strain Sensor." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-87277.

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Health monitoring devices using a strain sensor, which shows high sensitivity and large deformability, are strongly demanded due to further aging of society with fewer children. Conventional strain sensors, such as metallic strain gauges and semiconductive strain sensors, however, aren’t applicable to health monitoring because of their low sensitivity and deformability. In this study, fundamental design of area-arrayed graphene nano-ribbon (GNR) strain senor was proposed in order to fabricate next-generation strain sensor. The sensor was consisted of two sections, which are stress concentration section and stress detecting section. This structure can take full advantage of GNR’s properties. Moreover, high quality GNR fabrication process, which is one of the important process in the sensor, was developed by applying CVD (Chemical Vapor Deposition) method. Top-down approach was applied to fabricate the GNR. At first, in order to synthesize a high-quality graphene sheet, acetylene-based LPCVD (low pressure chemical vapor deposition) using a closed Cu foil was employed. After that, graphene was transferred silicon substrate and the quality was evaluated. The high quality graphene was transferred on the soft PDMS substrate and metallic electrodes were fabricated by applying MEMS technology. Area-arrayed fine pin structure was fabricated by using hard PDMS as a stress-concentration section. Finally, both sections were integrated to form a highly sensitive and large deformable pressure sensor. The strain sensitivity of the GNR-base sensor was also evaluated.

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Saranu, Prithvi Nath, G. Abirami, S. Sivakumar, Kumar M. Ramesh, U. Arul, and J. Seetha. "Theft Detection System using PIR Sensor." In 2018 4th International Conference on Electrical Energy Systems (ICEES). IEEE, 2018. http://dx.doi.org/10.1109/icees.2018.8443215.

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Toreyin, B. Ugur, E. Birey Soyer, Onay Urfalioglu, and A. Enis Cetin. "Flame detection using PIR sensors." In 2008 IEEE 16th Signal Processing, Communication and Applications Conference (SIU). IEEE, 2008. http://dx.doi.org/10.1109/siu.2008.4632660.

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Liddiard, Kevin C. "Enhanced performance PIR security sensors." In SPIE Defense and Security Symposium, edited by Bjørn F. Andresen, Gabor F. Fulop, and Paul R. Norton. SPIE, 2008. http://dx.doi.org/10.1117/12.780399.

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Reports on the topic "PIR senzor"

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Goossen, C. M. Monitoring bezoekers in het Renkumse Beekdal : case-studie Internet of Things: Combinatie PIR-sensor, LoRa en Arduino. Wageningen University & Research Wetenschapswinkel, 2017. http://dx.doi.org/10.18174/428633.

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Costa, Paulo, Gisele Nunes, Vitória Martins, Renato Oliveira, José Bitencourt, and Guilherme Oliveira. Manual para o monitoramento da ictiofauna por meio de DNA ambiental (eDNA). ITV DS, 2021. http://dx.doi.org/10.29223/prod.tec.itv.ds.2020.24.costa.

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A ictiofauna amazônica é composta por uma enorme diverdidade de peixes sendo muitas espécies de ocorrência local. Programas de conservação e monitoramento são muitas vezes dificultados tanto pela falta de especialistas quanto pela dificuldade da captura dos espécimes. A criação de indicadores biológicos é de suma importância principalmente para mineração, que necessita realizar monitoramento periódico para verificar se suas atividades estão ou podem causar impactos sob a diversidade ao entorno do empreendimento. Na Serra dos Carajás, um dos maiores depósitos mineral do mundo, existem lagoas que demandam monitoramento devido suas peculariedades e possibilidades de impactos. Essas lagoas são formadas sob crostas lateríticas ricas em ferro, em platôs acima de 770 m acima do nível do mar, no qual o nível de água é mantido pelo do regime de chuvas da região. Pensando em estratégias de manejo mais eficientes e rápidos, este trabalho teve como objetivo validar uma nova abordagem de levantamento de biodiversidade da ictiofauna utilizando os rastros de DNA presentes no ambiente. Para isso, foi usado a técnica de DNA metabarcoding que permite avaliar a diversidade e riqueza de espécies sem necessidade de captura, e sim através da análise de pequenos fragmentos de DNA a partir de uma amostras ambiental, como água ou sedimentos dos rios e lagoas.

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Craig-Gray, Robert, Wayne L. Chappelle, John Heaton, and Amber Salinas. NEO PI-R Normative Personality Data that Distinguish U.S. Air Force MQ-1 Predator and MQ-9 Reaper Sensor Operators from AC-130 Gunship Sensor Operators and Peers in the General Population. Defense Technical Information Center, 2011. http://dx.doi.org/10.21236/ada548330.

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Pérez Mesa, Lourdes Bernarda, Alexia Xiomara Zozaya Ortíz, and Pedro Castro Borges. Boletín de Noticias "Entre Patologos" de Alconpat Internacional (V2N3, 2020). Alconpat Internacional, 2020. http://dx.doi.org/10.21041/bn.

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En este número del Boletín de Noticias (V2N3) se hace un recuento de los eventos realizados en la asociación (Alconpat Internacional) que comprenden los meses de septiembre a diciembre del 2020, entre los cuales se pueden encontrar: actividades de los Alconpat Nacionales; 6 senior webinars organizados por uno de nuestros socios Colectivos; un reconocimiento a la excelencia (reconocimientos SNEM ACI 2020) entregado a uno de nuestros socios activos, El Dr. Pedro Castro Borges; además se realiza un tributo al maestro Harold Muñoz y por último podemos encontrar un calendario de los próximos eventos programados para fechas próximas, esperamos sea de su agrado.

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Stanek, S. J., and C. S. Hedricks. Evaluation of Analytical Industries Inc. Model Number PSR-11-33-NM Oxygen Sensors for Use With the MK 16 MOD 1 Underwater Breathing Apparatus. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada443585.

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Pérez Mesa, Lourdes Bernarda, Alexia Xiomara Zozaya Ortíz, and Pedro Castro Borges. Boletín de Noticias "Entre Patologos" de Alconpat Internacional (V3N1, 2021). Alconpat Internacional, 2021. http://dx.doi.org/10.21041/bn.v3i1.

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En este número del Boletín de Noticias (V3N1) se muestra la agenda 2021 de la asociación (Alconpat Internacional), la cual está diseñada que para que puedan ir planeando a que eventos asistir; se hace un homenaje póstumo a dos miembros que fallecieron recientemente (Néstor Ortega de Alconpat Argentina y Luis García Andión de Alconpat España); y se muestran con detalle los eventos del Congreso CONPAT 2021, del Senior Webinars, de la 75ª Semana de Rilem y del próximo curso: “Evaluación y diagnóstico de problemas patológicos en estructuras de concreto armado”, que iniciará el 13 de abril, este último forma parte del proceso de educación continua y certificación de Alconpat Internacional. Así mismo, se encuentra una pequeña nota por el premio que recibió uno de nuestros miembros (Miguel Ángel Sanjuán Barbudo), y que además es el Jefe del Boletín Técnico de la asociación, premio recibido por la revista Materials en los “Materials 2020 Outstanding Reviewer Awards”. Por último, este año la Revista Alconpat celebra su 10 aniversario y por ello, el editor en jefe de la Revista nos hace una reseña de los 10 años de su historia (2011-2021).

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Moher, David, Lex Bouter, Sabine Kleinert, et al. Princípios de Hong Kong para a Avaliação de Pesquisadores: Promovendo a Integridade em Pesquisa. ABEC PUBLICAÇÕES, 2020. http://dx.doi.org/10.21452/rode2021.01.

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Para que o conhecimento beneficie a pesquisa e a sociedade, ele deve ser confiável. A pesquisa confiável é robusta, rigorosa e transparente em todos as etapas relativas ao desenho, execução e relato. Apesar desse avanço, a inclusão de considerações relacionadas à confiabilidade, ao rigor e à transparência continua sendo rara. Os Princípios de Hong Kong (HKPs) foram desenvolvidos como parte da 6a Conferência Mundial sobre Integridade em Pesquisa, com foco sobre a necessidade de impulsionar o aprimoramento da pesquisa, garantindo que os pesquisadores sejam explicitamente reconhecidos e recompensados por atitudes que fortalecem a integridade. Apresentamos cinco princípios: práticas de pesquisa responsáveis; relato transparente; ciência aberta (pesquisa aberta); valorização da diversidade de tipos de pesquisa; reconhecimento de todas as contribuições para a pesquisa e atividade acadêmica. Para cada princípio, oferecemos uma justificativa, com exemplos que ilustram onde esses princípios já estão sendo adotados.

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Moher, David, Lex Bouter, Sabine Kleinert, et al. Princípios de Hong Kong para a Avaliação de Pesquisadores: Promovendo a Integridade em Pesquisa. ABEC PUBLICAÇÕES, 2020. http://dx.doi.org/10.21452/abec.2021.abec.001.

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Para que o conhecimento beneficie a pesquisa e a sociedade, ele deve ser confiável. A pesquisa confiável é robusta, rigorosa e transparente em todos as etapas relativas ao desenho, execução e relato. Apesar desse avanço, a inclusão de considerações relacionadas à confiabilidade, ao rigor e à transparência continua sendo rara. Os Princípios de Hong Kong (HKPs) foram desenvolvidos como parte da 6a Conferência Mundial sobre Integridade em Pesquisa, com foco sobre a necessidade de impulsionar o aprimoramento da pesquisa, garantindo que os pesquisadores sejam explicitamente reconhecidos e recompensados por atitudes que fortalecem a integridade. Apresentamos cinco princípios: práticas de pesquisa responsáveis; relato transparente; ciência aberta (pesquisa aberta); valorização da diversidade de tipos de pesquisa; reconhecimento de todas as contribuições para a pesquisa e atividade acadêmica. Para cada princípio, oferecemos uma justificativa, com exemplos que ilustram onde esses princípios já estão sendo adotados.

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Dorfman, Adriana, and Rafael da Rocha Ribeiro. CRITÉRIOS GEOGRÁFICOS PARA LOCALIZAÇÃO DOS “POSTOS” DA POLÍCIA RODOVIÁRIA FEDERAL NO RS. UFRGS, 2019. http://dx.doi.org/10.21826/relatorio23078.517306/2019-11.

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Falta de efetivo, postos fechados e sensação de insegurança fazem parte da realidade do controle do território por parte dos órgãos de segurança pública no Brasil e, de maneira mais concreta, no Rio Grande do Sul. Este quadro nos leva a buscar maior qualificação das decisões tomadas pelas instâncias gestoras da segurança pública. Um dos papéis da Universidade é colaborar para essa qualificação, sendo este o propósito deste projeto, em colaboração com a Polícia Rodoviária Federal.

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Assad, Luis Tadeu, Alejandro Munoz Munoz, María Suarez Bonet, Gracie Verde Selva, and Barbara Brakarz. Projeto Rural Sustentável: Fase I: Promovendo o desenvolvimento e a agricultura de baixa emissão de carbono na Amazônia e na Mata Atlântica. Inter-American Development Bank, 2019. http://dx.doi.org/10.18235/0003190.

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O Projeto Rural Sustentável é fruto de uma parceria de Cooperação Técnica financiada pelo Fundo Internacional para o Clima (IFC) do Governo Britânico, tendo como beneficiário o Ministério de Agricultura, Pecuária e Abastecimento (Mapa). O Banco Interamericano de Desenvolvimento (BID) é o órgão executor do Projeto, sendo o Instituto Brasileiro de Desenvolvimento e Sustentabilidade (IABS) a instituição selecionada para realizar a implementação das atividades administrativas e logísticas da Fase I. O Projeto conta também com o apoio da Empresa Brasileira de Pesquisa Agropecuária (Embrapa) e do Banco do Brasil. Em linhas gerais, o Projeto, que acaba de finalizar a Fase I, com foco nos biomas Amazônia e Mata Atlântica, tem como objetivos melhorar o uso da terra e das florestas por pequenos(as) e médios(as) produtores(as) rurais, promover o desenvolvimento rural sustentável, reduzir a pobreza, conservar a biodiversidade e proteger o clima. O fio condutor de suas atividades tem sido o investimento na implantação de tecnologias de baixa emissão de carbono, por meio das mais variadas ações econômicas e socioambientais, de maneira complementar ao Plano de Agricultura de Baixa Emissão de Carbono - Plano ABC, um dos planos setoriais da Política Nacional sobre Mudança do Clima (PNMC).

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