Academic literature on the topic 'Autonomous Fire Suppression'
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Journal articles on the topic "Autonomous Fire Suppression"
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McNeil, Joshua G., and Brian Y. Lattimer. "Robotic Fire Suppression Through Autonomous Feedback Control." Fire Technology 53, no. 3 (September 22, 2016): 1171–99. http://dx.doi.org/10.1007/s10694-016-0623-1.
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ÇAKIR, Abdülkadir, and Aqeel bahaa BADRI. "Fire Tracking and Suppression Mobile Robot - Design and Construction." Indonesian Journal of Electrical Engineering and Computer Science 5, no. 1 (January 1, 2017): 159. http://dx.doi.org/10.11591/ijeecs.v5.i1.pp159-165.
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<span lang="EN-US">Robots is one of the most important devices in the world that work automatically without human intervention. Robot can work for long hours without feeling tired and can be performed work that can be dangerous to human life. Autonomous robots are used today in many areas in our daily lives, for example, industry, Agriculture, Health, Education, scientific explorations and many other fields. Therefore in this research we will going to design autonomous robot that able to find and extinguish fires. In some cases, the dense flames very dangerous to humans live and therefore require intervention of robot. Fire tracking and suppression robot is a robot can automatically find and fighting fire. In this project a camera and flame sensor based on an rotary base was used. It can detect fire in an angle of rotation of 1600. ATmega328 microcontroller based on Arduino Uno board have been used, to control the robot to do the right work without mistakes, ATmega328 based on Arduini Uno board have been used, and it can be programmed using C language by using arduino IDE.</span>
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Tarantsev, Aleksander, Andrei Ishchenko, Aleksander Holostov, Andrei Tarantsev, and Aleksei Gorohov. "THE PROBLEM OF FIRE SUPPRESSION AT REMOTE AUTONOMOUS FACILITIES AT EXTREMELY LOW TEMPERATURES." Fire and Emergencies: prevention, elimination, no. 2 (2019): 30–40. http://dx.doi.org/10.25257/fe.2019.2.30-40.
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Rodríguez y Silva, Francisco, Juan Ramón Molina Martínez, and Armando González-Cabán. "A methodology for determining operational priorities for prevention and suppression of wildland fires." International Journal of Wildland Fire 23, no. 4 (2014): 544. http://dx.doi.org/10.1071/wf13063.
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Traditional uses of the forest (timber, forage) have been giving way to other uses more in demand (recreation, ecosystem services). An observable consequence of this process of forest land use conversion is an increase in more difficult and extreme wildfires. Wildland forest management and protection program budgets are limited, and managers are requesting help in finding ways to objectively assign their limited protection resources based on the intrinsic environmental characteristics of a site and the site’s interrelationship with available firefighting resources and existing infrastructure. A Fire Suppression Priority Index, integrating information on both the potential fire behaviour risk (Potential Fire Behaviour Index) and the fire suppression difficulty (Suppression Difficulty Index), provides managers with fundamental information for strategic planning and development of tactical operations to protect the natural environment. Results in the Córdoba Province, Andalusia’s autonomous region, Spain, showed a statistically significant relationship between wildfire size and all three indices, demonstrating the utility of the methodology to identify and prioritise forest areas for strategic and tactical fire management operations. In addition, the methodology was tested and validated by trained and qualified wildfire management personnel in Chile and Israel, obtaining similar results as in Spain.
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Lee, Eun-Joo, Won-Sun Ruy, and Jeonghwa Seo. "Application of reinforcement learning to fire suppression system of an autonomous ship in irregular waves." International Journal of Naval Architecture and Ocean Engineering 12 (2020): 910–17. http://dx.doi.org/10.1016/j.ijnaoe.2020.11.001.
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McNeil, Joshua G., and Brian Y. Lattimer. "Autonomous Fire Suppression System for Use in High and Low Visibility Environments by Visual Servoing." Fire Technology 52, no. 5 (February 2, 2016): 1343–68. http://dx.doi.org/10.1007/s10694-016-0564-8.
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Khalifa, Maram, Hassaan B. Aftab, and Vitaly Kantorovich. "“Fueling the Fire” - Irish Sea-Moss Resulting in Jod-Basedow Phenomenon in a Patient With Grave’s Disease." Journal of the Endocrine Society 5, Supplement_1 (May 1, 2021): A906. http://dx.doi.org/10.1210/jendso/bvab048.1849.
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Abstract Background: Jod-Basedow phenomenon is a rare cause of thyrotoxicosis due to excess iodine intake. Herbal supplements containing sea-moss have high iodine amount which may precipitate thyrotoxicosis in patients with underlying Grave’s disease or autonomous thyroid nodules. Clinical Case: A seemingly healthy 28-year-old female presented to the ED with chief complaint of fatigue with associated anxiety, palpitations and weight loss. On admission her temperature was 100.4 F, pulse 126 bpm and blood pressure 116/56 mmHg. Exam was unremarkable for thyroid goiter or orbitopathy. Labs revealed WBC count 3.4 x103/µL (ref range 4.0-11.0) with neutropenia, hemoglobin 4.3 g/dL (11.7-15.7), platelet 49 x103/µL (150-450). Liver transaminases (AST, ALT, and alkaline phosphatase) were elevated with levels up to 4 times the upper limit of normal. She was diagnosed with hemolytic anemia secondary to severe Vitamin B12 deficiency due to pernicious anemia. TSH was <0.01 mIU/L (0.27-4.20), free T4 2.46 ng/dL (0.8-1.9) and total T3 139 ng/dL (76-181). The patient subsequently endorsed remote history of hyperthyroidism diagnosed 7 years ago however she could not recall the underlying etiology or the name of medication she was treated with. She reportedly stopped this medication after 1 month due to developing goiter. She also endorsed intermittent use of store-bought supplement of Irish sea moss and bladderwrack in last 2 years. Further workup revealed elevated TSI and TBII antibody titers establishing diagnosis of Grave’s disease. Thyroid ultrasound showed normal sized heterogeneous hypervascular gland with no nodules. I-123 thyroid uptake and scan showed diffuse moderately elevated radioiodine uptake of 16.8% and 40.8% at 4 and 24 hours, respectively. Thionamide therapy was withheld due to concern of neutropenia and transaminitis. She was treated with beta-blocker after which her vital signs normalized. Labs 1 week after stopping sea moss showed TSH 0.01 mIU/L and free T4 1.4 ng/dL. Conclusion: Irish sea moss is a readily available herbal supplement with high, variable amounts of iodine. Despite little scientific evidence, it is often marketed to improve goiter amongst other health benefits. The recommended daily iodine intake per the FDA is 150 mcg. Higher amounts are expected to initially cause a short-lived suppression of thyroid function; the Wolff-Chaikoff effect, followed by “escape” and accelerated production of thyroid hormone in abnormal thyroid gland, known as Jod-Basedow phenomenon. In our case, the patient unknowingly worsened her underlying Grave’s disease due to the Jod-Basedow effect. Of note, apparantly she had a longer than expected course of Wolff-Chaikoff effect preceding the thyrotoxic state due to sporadic irregular intake of sea moss. Discontinuing sea moss led to clinical and biochemical improvement of hyperthyroidism without requiring thionamide therapy.
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Куплевацкий, В. К., and Н. Ш. Шабалина. "Forest Fires in the Ural Federal district and their impact on the environment." Леса России и хозяйство в них, no. 4(75) (December 21, 2020): 4–12. http://dx.doi.org/10.51318/fret.2020.36.84.001.
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На основе актов и книг учета лесных пожаров, а также статистической отчетности проанализированы показатели фактической горимости лесов за 2016–2020 гг. Установлено, что за 2020 г. на территории Уральского федерального округа зафиксировано 2182 лесных пожара. При этом пройденная огнем площадь составила 167,2 тыс. га. Указанные показатели несколько превышают значения количества и пройденной огнем площади по округу за последние 5 лет: 1961 случай и 124,6 тыс. га соответственно. Наибольшее количество лесных пожаров зафиксировано в 2020 г. в челябинской области – 587 случаев, а наименьшее – в Ямало-Ненецком автономном округе – 111 случаев. При этом максимальной пройден- ной огнем лесных пожаров площадью в 2020 г. характеризуется Ханты-Мансийский автономный округ – Югра – 144,7 тыс. га. Минимальная пройденная огнем площадь зафиксирована в Тюменской области – 1,6 тыс. га. Площадь среднего пожара за 2020 г. по округу составила 76,64 га, при этом в Ханты-Мансийском авто- номном округе – Югре она равнялась 308,0 га, а в Тюменской области – 6,98 га. Экономический ущерб от лесных пожаров составил по округу 4 109 793, 16 тыс. руб., при этом на тушение было затрачено 575 481,57 тыс. руб. Значительный размер ущерба от лесных пожаров, а также экологический ущерб вызывают необходи- мость дальнейшего совершенствования охраны лесов. On the bases and books of forest fire accounting, as well as statistical reporting the indicators of actual forest fire rates for 2016–2020 were and lyzed. It was established that in 2020 2182 forest fires were recorded in the Ural Federal Distict. While the area covered by fire was 167,2 th/ga. These indicators slightly exceed the value of the number and the area covered by fire over the past five years in the district. The latter account for 1961 cases and 124,6 thousands of ha respectively. The largest number of forest fires was recorded in 2020 in Chelyabinsk region – 587 cases, the least in the Yamalonenets autonomous okrug – 111 cases. At the same time the maximum area covered by forest fires in 2020 is charaiterized by the Khanty-Mansiysk autonomous okrug – Yugra – 144,7 thousands of has. The minimum area covered by the fire was recorded in the Tyumen region – 1,6 th. ha. The average fire area in 2020 around the Okrug was 76,64 ha, at the same time in the Khanty-Mansiysk autonomous okrug – Yugra, it is 308,0 ha, but in the Tyumen region – 6,98 ha. The economic damage from forest fires amounted to 4 109 793,16 th of roubes, at the same time 575 481,57 th of ronbes were spent fire suppressing significant damage from forest fires as well as environmental damage necessitates futher forest protection improvement.
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Seo, Jinho, Daehyeon Seong, Seung Ri Lee, Doo-Byoung Oh, and Jaewhan Song. "Post-Translational Regulation of ARF: Perspective in Cancer." Biomolecules 10, no. 8 (August 4, 2020): 1143. http://dx.doi.org/10.3390/biom10081143.
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Tumorigenesis can be induced by various stresses that cause aberrant DNA mutations and unhindered cell proliferation. Under such conditions, normal cells autonomously induce defense mechanisms, thereby stimulating tumor suppressor activation. ARF, encoded by the CDKN2a locus, is one of the most frequently mutated or deleted tumor suppressors in human cancer. The safeguard roles of ARF in tumorigenesis are mainly mediated via the MDM2-p53 axis, which plays a prominent role in tumor suppression. Under normal conditions, low p53 expression is stringently regulated by its target gene, MDM2 E3 ligase, which induces p53 degradation in a ubiquitin-proteasome-dependent manner. Oncogenic signals induced by MYC, RAS, and E2Fs trap MDM2 in the inhibited state by inducing ARF expression as a safeguard measure, thereby activating the tumor-suppressive function of p53. In addition to the MDM2-p53 axis, ARF can also interact with diverse proteins and regulate various cellular functions, such as cellular senescence, apoptosis, and anoikis, in a p53-independent manner. As the evidence indicating ARF as a key tumor suppressor has been accumulated, there is growing evidence that ARF is sophisticatedly fine-tuned by the diverse factors through transcriptional and post-translational regulatory mechanisms. In this review, we mainly focused on how cancer cells employ transcriptional and post-translational regulatory mechanisms to manipulate ARF activities to circumvent the tumor-suppressive function of ARF. We further discussed the clinical implications of ARF in human cancer.
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Minina, Elena A., Lada H. Filonova, Kazutake Fukada, Eugene I. Savenkov, Vladimir Gogvadze, David Clapham, Victoria Sanchez-Vera, et al. "Autophagy and metacaspase determine the mode of cell death in plants." Journal of Cell Biology 203, no. 6 (December 16, 2013): 917–27. http://dx.doi.org/10.1083/jcb.201307082.
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Although animals eliminate apoptotic cells using macrophages, plants use cell corpses throughout development and disassemble cells in a cell-autonomous manner by vacuolar cell death. During vacuolar cell death, lytic vacuoles gradually engulf and digest the cytoplasmic content. On the other hand, acute stress triggers an alternative cell death, necrosis, which is characterized by mitochondrial dysfunction, early rupture of the plasma membrane, and disordered cell disassembly. How both types of cell death are regulated remains obscure. In this paper, we show that vacuolar death in the embryo suspensor of Norway spruce requires autophagy. In turn, activation of autophagy lies downstream of metacaspase mcII-Pa, a key protease essential for suspensor cell death. Genetic suppression of the metacaspase–autophagy pathway induced a switch from vacuolar to necrotic death, resulting in failure of suspensor differentiation and embryonic arrest. Our results establish metacaspase-dependent autophagy as a bona fide mechanism that is responsible for cell disassembly during vacuolar cell death and for inhibition of necrosis.
Dissertations / Theses on the topic "Autonomous Fire Suppression"
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McNeil, Joshua G. "Autonomous Fire Suppression Using Feedback Control for Robotic Firefighting." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/64784.
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There is an increasing demand for robotics in dangerous and extreme conditions to limit human exposure and risk. An area in which robots are being considered as a support tool is in firefighting operations to reduce the number of firefighter injuries and deaths. One such application is to increase firefighting performance through localized fire suppression.
This research focused on developing an autonomous suppression system for use on a mobile robotic platform. This included a real-time close proximity fire suppression approach, appropriate feature selection and probabilistic classification of water leaks and sprays, real-time trajectory estimation, and a feedback controller for error correction in longer-range firefighting. The close proximity suppression algorithm uses IR fire detection IR stereo processing to localize a fire. Feedback of the fire size and fire target was used to manipulate the nozzle for effective placement of the suppressant onto the fire and experimentally validated with tests in high and low visibility environments.
To improve performance of autonomous suppression and for inspection tasks, identification of water sprays and leaks is a critical component. Bayesian classification was used to identify the features associated with water leaks and sprays in thermal images. Appropriate first and second order features were selected by using a multi-objective genetic algorithm optimization. Four textural features were selected as a method of discriminating water sprays and leaks from other non-water, high motion objects.
Water classification was implemented into a real-time suppression system as a method of determining the yaw and pitch angle of a water nozzle. Estimation of the angle orientation provided an error estimate between the current path and desired nozzle orientation. A proportional-integral (PI) controller was used to correct for forced errors in fire targeting and performance and response was shown through indoor and outdoor suppression tests with wood-crib fires. The autonomous suppression algorithm was demonstrated through fire testing to be at least three times faster compared with suppression by an operator using tele-operation.Ph. D.
Conference papers on the topic "Autonomous Fire Suppression"
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McNeil, Joshua G., Joseph Starr, and Brian Y. Lattimer. "Autonomous fire suppression using multispectral sensors." In 2013 IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM). IEEE, 2013. http://dx.doi.org/10.1109/aim.2013.6584308.
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Bassam, Nizar Al, Jibreal Khan, and Shaik Asif Hussain. "IoT based Autonomous Fire Suppression System For Vehicles." In 2020 International Conference on Emerging Trends in Information Technology and Engineering (ic-ETITE). IEEE, 2020. http://dx.doi.org/10.1109/ic-etite47903.2020.216.
Full textReports on the topic "Autonomous Fire Suppression"
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Doo, Johnny. Unsettled Issues Concerning eVTOL for Rapid-response, On-demand Firefighting. SAE International, August 2021. http://dx.doi.org/10.4271/epr2021017.
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Recent advancements of electric vertical take-off and landing (eVTOL) aircraft have generated significant interest within and beyond the traditional aviation industry, and many novel applications have been identified and are in development. One promising application for these innovative systems is in firefighting, with eVTOL aircraft complementing current firefighting capabilities to help save lives and reduce fire-induced damages. With increased global occurrences and scales of wildfires—not to mention the issues firefighters face during urban and rural firefighting operations daily—eVTOL technology could offer timely, on-demand, and potentially cost-effective aerial mobility capabilities to counter these challenges. Early detection and suppression of wildfires could prevent many fires from becoming large-scale disasters. eVTOL aircraft may not have the capacity of larger aerial assets for firefighting, but targeted suppression, potentially in swarm operations, could be valuable. Most importantly, on-demand aerial extraction of firefighters can be a crucial benefit during wildfire control operations. Aerial firefighter dispatch from local fire stations or vertiports can result in more effective operations, and targeted aerial fire suppression and civilian extraction from high-rise buildings could enhance capabilities significantly. There are some challenges that need to be addressed before the identified capabilities and benefits are realized at scale, including the development of firefighting-specific eVTOL vehicles; sense and avoid capabilities in complex, smoke-inhibited environments; autonomous and remote operating capabilities; charging system compatibility and availability; operator and controller training; dynamic airspace management; and vehicle/fleet logistics and support. Acceptance from both the first-responder community and the general public is also critical for the successful implementation of these new capabilities. The purpose of this report is to identify the benefits and challenges of implementation, as well as some of the potential solutions. Based on the rapid development progress of eVTOL aircraft and infrastructures with proactive community engagement, it is envisioned that these challenges can be addressed soon. NOTE: SAE EDGE™ Research Reports are intended to identify and illuminate key issues in emerging, but still unsettled, technologies of interest to the mobility industry. The goal of SAE EDGE™ Research Reports is to stimulate discussion and work in the hope of promoting and speeding resolution of identified issues. These reports are not intended to resolve the challenges they identify or close any topic to further scrutiny.