Relevant bibliographies by topics / Failsafe mechanism

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Failsafe mechanism'

Author: Grafiati
Published: 28 June 2021
Last updated: 29 July 2025

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Journal articles on the topic "Failsafe mechanism"

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Dong, Ke, Quan Quan, and W. Murray Wonham. "Failsafe Mechanism Design for Autonomous Aerial Refueling using State Tree Structures." Unmanned Systems 07, no. 04 (2019): 261–79. http://dx.doi.org/10.1142/s2301385019500109.

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Autonomous Aerial Refueling (AAR) is vulnerable to various failures and involves cooperation among autonomous receivers, tankers and remote pilots. Dangerous flight maneuvers may be executed when unexpected failures or command conflicts happen. To solve this problem, a failsafe mechanism based on State Tree Structures (STS) is proposed. The failsafe mechanism is a control logic that guides what subsequent actions the autonomous receiver should take, by observing real-time information of internal low-level subsystems such as guidance and drogue&probe and external instructions from tankers a
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Lockwood, Nicola, Silvia Martini, Ainara Lopez-Pardo, et al. "Genome-Protective Topoisomerase 2a-Dependent G2 Arrest Requires p53 in hTERT-Positive Cancer Cells." Cancer Research 82, no. 9 (2022): 1762–73. http://dx.doi.org/10.1158/0008-5472.can-21-1785.

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Abstract Topoisomerase 2a (Topo2a)-dependent G2 arrest engenders faithful segregation of sister chromatids, yet in certain tumor cell lines where this arrest is dysfunctional, a PKCε-dependent failsafe pathway can be triggered. Here we elaborate on recent advances in understanding the underlying mechanisms associated with this G2 arrest by determining that p53–p21 signaling is essential for efficient arrest in cell lines, in patient-derived cells, and in colorectal cancer organoids. Regulation of this p53 axis required the SMC5/6 complex, which is distinct from the p53 pathways observed in the
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Quan, Quan, Zhiyao Zhao, Liyong Lin, Peng Wang, Walter Murray Wonham, and Kai-Yuan Cai. "Failsafe mechanism design of multicopters based on supervisory control theory." IET Cyber-Systems and Robotics 2, no. 1 (2020): 31–42. http://dx.doi.org/10.1049/iet-csr.2019.0039.

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Sheyko, Yaroslav, Nataliia Kryvko, and Oleksandr Shefer. "Enhancement Arduplane Radio Failsafe Algorithm by Extending with a New Delegation Action." Electronics and Control Systems 1, no. 83 (2025): 42–49. https://doi.org/10.18372/1990-5548.83.19873.

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The article deals with the problem of the absence of a radio failsafe mechanism in the unmanned aerial vehicles' ArduPilot firmware that delegates the flight control management from manual mode to the onboard companion computer once the radio transmitter signal is lost due to natural reasons or caused by military-grade artificial radio interference. Algorithms for detecting signal loss and switching control to onboard computers are proposed. The proposed algorithms require knowledge adjustments and enhancements in three components: MAVlink protocol as a transport between parties, ArduPilot fir
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Irham Fadilah and Endah Fitriani. "Rancang Bangun Protokol Alternatif Saat Konektivitas Internet Terputus Pada Pertanian Berbasis IoT." Jupiter: Publikasi Ilmu Keteknikan Industri, Teknik Elektro dan Informatika 3, no. 1 (2025): 205–12. https://doi.org/10.61132/jupiter.v3i1.705.

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In the era of agricultural digitalization, dependence on Internet of Things (IoT) technology is increasing, yet supporting infrastructure remains vulnerable to connectivity disruptions. This research aims to develop an alternative protocol for IoT-based agricultural systems that can operate during internet connection failures, focusing on implementing a failsafe mode using NodeMCU ESP8266. The research methodology includes developing a monitoring system using soil moisture sensors and ultrasonic sensors for water level detection, as well as performance evaluation based on decision-making accur
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Nagel, Felix, Anne Susemihl, Norman Geist, et al. "Structural Basis of the Pancreatitis-Associated Autoproteolytic Failsafe Mechanism in Human Anionic Trypsin." Journal of Inflammation Research Volume 15 (June 2022): 3633–42. http://dx.doi.org/10.2147/jir.s367699.

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Braglia, Priscilla, Junya Kawauchi, and Nick J. Proudfoot. "Co-transcriptional RNA cleavage provides a failsafe termination mechanism for yeast RNA polymerase I." Nucleic Acids Research 39, no. 4 (2010): 1439–48. http://dx.doi.org/10.1093/nar/gkq894.

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Yip, Hon Yan K., Annabel Chee, Ching-Seng Ang, et al. "Control of Glucocorticoid Receptor Levels by PTEN Establishes a Failsafe Mechanism for Tumor Suppression." Molecular Cell 80, no. 2 (2020): 279–95. http://dx.doi.org/10.1016/j.molcel.2020.09.027.

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Blume, Karin E., Szabolcs Soeroes, Michaela Waibel, et al. "Cell Surface Externalization of Annexin A1 as a Failsafe Mechanism Preventing Inflammatory Responses during Secondary Necrosis." Journal of Immunology 183, no. 12 (2009): 8138–47. http://dx.doi.org/10.4049/jimmunol.0902250.

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Casilag, Fiordiligie, Anne Lorenz, Jonas Krueger, Frank Klawonn, Siegfried Weiss, and Susanne Häussler. "The LasB Elastase of Pseudomonas aeruginosa Acts in Concert with Alkaline Protease AprA To Prevent Flagellin-Mediated Immune Recognition." Infection and Immunity 84, no. 1 (2015): 162–71. http://dx.doi.org/10.1128/iai.00939-15.

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The opportunistic pathogenPseudomonas aeruginosais capable of establishing severe and persistent infections in various eukaryotic hosts. It encodes a wide array of virulence factors and employs several strategies to evade immune detection. In the present study, we screened the Harvard Medical School transposon mutant library ofP. aeruginosaPA14 for bacterial factors that modulate interleukin-8 responses in A549 human airway epithelial cells. We found that in addition to the previously identified alkaline protease AprA, the elastase LasB is capable of degrading exogenous flagellin under calcium
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Dissertations / Theses on the topic "Failsafe mechanism"

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Hýbl, Matouš. "Dvoukanálový kontrolér krokových motorů." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2021. http://www.nusl.cz/ntk/nusl-442448.

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Cílem této práce je vývoj dvoukanálového kontroléru krokových motorů. V rámci práce je popsán jak vývoj elektroniky, tak vývoj příslušného software. Elektronika kontrolŕu je založena na mikrokontroléru STM32F405 a driverů krokových motorů vyráběných firmou Trinamic. Pro komunikaci s nadřazenými systémy je implementován protokol CANOpen a sběrnice I\textsuperscript{2}C a USB. Elektronika byla navržena v software KiCAD and využívá čtyřvrstvého plošného spoje a moderních výrobních technologií. Co se týká software, byl vyvinut jak firmware pro mikrokontrolér, tak software pro ovládání kontroléru.
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Ricardo, Bruno Assunção. "Safety mechanisms for the reliable operation of 3D vehicles." Master's thesis, 2017. http://hdl.handle.net/10071/14024.

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The safety and reliability of unmanned vehicles is a growing concern in our modern society. This work proposes and implements mechanisms to minimize risks in the operation of 3D vehicles. A brief analysis is performed to identify high priority risks and low complexity solutions are proposed in order to avoid or minimize their impact. To cope with critical power failures, an autonomous current monitoring system was studied and implemented after analyzing two different techniques: resistive and magnetic current sensing. Furthermore, a fall detection system capable of detecting rotational and fre
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Book chapters on the topic "Failsafe mechanism"

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"he need never have made himself before she spoke. What she expects, rightly, is that her utterance will act as a prompt, making him recall parts of the book that he had previously forgotten, and construct the assumptions needed to understand the allusion. In both these examples Mary makes assumptions about what assumptions are, or will be, manifest to Peter. Peter trusts that the assumptions he spontaneously makes about the church and about Sense and Sensibility, which help him understand Mary’s utterances, are those she expected him to make. To communicate success-fully, Mary had to have some knowledge of Peter’s cognitive environment. As a result of their successful communication, their mutual cognitive environment is enlarged. Note that symmetrical co-ordination and mutual knowledge do not enter into the picture at all. The most fundamental reason for adopting the mutual-knowledge framework, as for adopting the code model, is the desire to show how successful communi-cation can be guaranteed, how there is some failsafe algorithm by which the hearer can reconstruct the speaker’s exact meaning. Within this framework the fact that communication often fails is explained in one of two ways: either the code mech-anism has been imperfectly implemented, or there has been some disruption due to ‘noise’. A noiseless, well-implemented code mechanism should guarantee per-fect communication. In rejecting the mutual-knowledge framework, we abandon the possibility of using a failsafe algorithm as a model of human communication. But since it is obvious that the communication process takes place at a risk, why assume that it is governed by a failsafe procedure? Moreover, if there is one conclusion to be drawn from work on artificial intelligence, it is that most cognitive processes are so complex that they must be modelled in terms of heuristics rather than failsafe algorithms. We assume, then, that communication is governed by a less-than-perfect heuristic. On this approach, failures in communication are to be expected: what is mysterious and requires explanation is not failure but success. As we have seen, the notion of mutual manifestness is not strong enough to salvage the code theory of communication. But then, this was never one of our aims. Instead of taking the code theory for granted and concluding that mutual knowledge must therefore exist, we prefer to look at what kind of assumptions people are actually in a position to make about each other’s assumptions, and then see what this implies for an account of communication. Sometimes, we have direct evidence about other people’s assumptions: for instance, when they tell us what they assume. More generally, because we mani-festly share cognitive environments with other people, we have direct evidence about what is manifest to them. When a cognitive environment we share with other people is mutual, we have evidence about what is mutually manifest to all of us. Note that this evidence can never be conclusive: the boundaries of cogni-tive environments cannot be precisely determined, if only because the threshold between very weakly manifest assumptions and inaccessible ones is unmarked. From assumptions about what is manifest to other people, and in particular about what is strongly manifest to them, we are in a position to derive further,." In Pragmatics and Discourse. Routledge, 2005. http://dx.doi.org/10.4324/9780203994597-22.

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Conference papers on the topic "Failsafe mechanism"

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Gardner, Ben, Xiaofeng Guan, Ruth Ann Martin, and Jack Spain. "Hot Gas Filtration Meeting Turbine Requirements for Particulate Matter." In ASME Turbo Expo 2005: Power for Land, Sea, and Air. ASMEDC, 2005. http://dx.doi.org/10.1115/gt2005-68925.

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The Power Systems Development Facility (PSDF) is an engineering scale demonstration of advanced coal-fired power systems and high-temperature, high-pressure gas filtration systems. The PSDF was designed at sufficient scale so that advanced power systems and components can be tested in an integrated fashion to provide data for commercial scale-up. The PSDF is funded by the U.S. Department of Energy, the Electric Power Research Institute, Southern Company Services, Kellogg Brown & Root, Inc. (KBR), Siemens-Westinghouse, and Peabody Energy. Gasification at the PSDF is based on KBR’s Transport
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Naija, Mohamed, Rihab Khemiri, and Ernesto Exposito. "Failsafe Mechanism to Hazard Analysis and Risk Mitigation in Unmanned Aerial Vehicle based on NCES." In 15th International Conference on Software Technologies. SCITEPRESS - Science and Technology Publications, 2020. http://dx.doi.org/10.5220/0009887802200227.

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Petersen, Christian, Ola Strand, Espen Sten Johansen, Dag Almar Hansen, Dag Ketil Fredheim, and Per Ohlckers. "Pact All Electric - One Step Closer to Autonomy." In Abu Dhabi International Petroleum Exhibition & Conference. SPE, 2021. http://dx.doi.org/10.2118/207901-ms.

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Abstract E&P companies are increasingly challenged with cost-effective development or upgrade of remote fields, ensuring crew safety and regulatory requirements for reducing environmental impact. Remote operations and unmanned platforms have significantly lower CO2 emissions and lowerCAPEX and OPEX in areas of sparse infrastructure. Complete electrification of safety critical control systems is key to maintain safe production while digitization, automation and condition based maintenance reduce required on-site personnel. An all-electric wellhead- and production tree valve actuator for han
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Ken, Saveth, Booth Charles, Oviedo Mauricio, and Harris Dennis. "A Failsafe Method of Preventing Voltage Generation During Installation and Pulling of ESPs with Permanent Magnet Motors." In SPE Gulf Coast Section - Electric Submersible Pumps Symposium. SPE, 2023. http://dx.doi.org/10.2118/214707-ms.

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Abstract With the increased use of permanent magnet motors (PMM) versus less efficient induction motors (IM) comes an increased safety risk. While both the IM and PMM can generate power themselves if their shaft is turned by external forces, the induction motor cannot generate enough power to require additional safety procedures. The PMM when spinning at 2,000 rpm can generate up to 240 volts to create a tremendous safety risk when one considers voltage over 50 volts can be lethal. The objectives/scope of this paper is to present an alternative method of preventing the shaft of a Permanent Mag
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Ken, Saveth, Booth Charles, Oviedo Mauricio, and Harris Dennis. "A Failsafe Method of Preventing Voltage Generation During Installation and Pulling of ESPs with Permanent Magnet Motors." In SPE Annual Technical Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/215000-ms.

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Abstract With the increased use of permanent magnet motors (PMM) versus less efficient induction motors (IM) comes an increased safety risk. While both the IM and PMM can generate power themselves if their shaft is turned by external forces, the induction motor cannot generate enough power to require additional safety procedures. The PMM when spinning at 2,000 rpm can generate up to 240 volts to create a tremendous safety risk when one considers voltage over 50 volts can be lethal. The objectives/scope of this paper is to present an alternative method of preventing the shaft of a Permanent Mag
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Morrison, Matthew C., and Kenneth J. Bateman. "Transfer and Storage of Molten Salt for the Pyroprocessing of Used Nuclear Fuel." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-36481.

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The transfer and storage of molten salts are being examined to support electrorefining operations at the Idaho National Laboratory. Two important factors that will need to be considered when removing molten salt from either of the two electrorefiners are (1) how to remove salt in a safe and timely manner and (2) how to store significant amounts of electrorefiner salt. A Vacuum Induced Salt Transfer and Storage (VISTAS) system is being evaluated to address these two important factors. This process draws a vacuum in a container through the use of a venturi vacuum pump. The end of a heated drawtu
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Ramesh, Prashanth Mysore, and Anvar Hussain Velichappattil. "Method and System for Creating Digital Twin of a Sensor for a Vehicle in Real Time." In Symposium on International Automotive Technology. SAE International, 2024. http://dx.doi.org/10.4271/2024-26-0265.

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<div class="section abstract"><div class="htmlview paragraph">Modern Vehicles have many sensors equipped with them to give an idea to the control system of the vehicle as to what is happening in and around the vehicle. These sensors are very costly and they are critical in controlling the vehicle. If certain sensors fail, it can lead to the vehicle being stopped mid operation. Hence, it is imperative that the sensors have a reliable fail-safe mechanism so that above mentioned problems can be prevented, this will provide a better customer experience. For some of the sensors the mech
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Moe, Sigurd, Olav S. Monsson, Øyvind Rokne, Ajith Kumar, and Christina Johansen. "Electric Controls Technology: The Role in Future Subsea Systems." In Offshore Technology Conference Asia. OTC, 2018. http://dx.doi.org/10.4043/28562-ms.

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Abstract This paper prepared for 2018 OTC Offshore Asia explores the current history of electrically driven functionality for subsea production systems. It is expected that co-existence of hybrid electrohydraulic and all-electric functionality will dominate the market for subsea tree and manifold control short term. Electric choke and manifold valve actuation offer many advantages as proved successfully during the last 16 years, e.g. related to modularity and flexibility, with zero discharge, with high operational speed and high positioning accuracy, along with CAPEX and OPEX benefits. Perform
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Nam, Jung-Han, Chae-Ho Nam, Jong-Moo Lee, Hae-Won Jung, Sim-Kyun Yook, and Chang-Ho Cho. "New Design of a Digital CRCS by Introducing LOM." In 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/icone14-89444.

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A Control Rod Control System (CRCS) is one of the most important pieces of equipment in a nuclear power plant because it controls the nuclear reaction by moving the Control Rod Drive Mechanism (CRDM) in the reactor with speed and direction signals from the Reactor Regulating System (RRS). This paper introduces a CRCS with full-duplex configuration and a Local Operator Module (LOM) computer to enhance reliability in comparison to existing simplex systems. The duplex configuration, LOM program, and maintenance test program of the CRCS are explained in detail. This duplex system can perform a fai
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Petersen, Christian, Ola Strand, Espen Johansen, Dag Almar Hansen, Dag Ketil Fredheim, and Per Ohlckers. "PACT - One Step Closer to Well Control Autonomy." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/206274-ms.

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Abstract Pressure control have been going through steps of evolution. In the highlight of safety, reliability and control, the systems have been sturdy withstanding massive pressure and environmental impact to last the time of estimated life of well. Design have been emphasizing on sturdiness rather than intelligence and autonomy. Time moves on, sophistication levels rise in all parts of our industry. Sustainability and lower environmental impact of solutions grow from the young into business planning and democratic policies. Control lines of hydraulic systems posed risks to the environment as
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