Jie Gao, Zhenlin Li, Denise Paulin,
... the same or similar Mt-binding protein, termed MtBF (Mt binding factor), is present in these diverse ... C, lanes 16 and 17). To show that MtBF is not related to the MEF2 family, gel ... Fig. 4 B, lane 9). These results demonstrated MtBF is different from MEF-2. The Mt-protein ... Mt (Fig. 4 C, lanes 30 and 31). MtBF is also different from the HMG-box proteins ... Google Scholar). But the competition assay showed that MtBF is not related to the GT2 factor (Fig. ... site in gel shift assays (data not shown). MtBF is present in various cell extracts; why then ...
Tópico(s): RNA Research and Splicing
1998 - Elsevier BV | Journal of Biological Chemistry
... to failure (MTTF) and mean time between failures (MTBF) in a variety of contexts. Especially, this paper ... many cases are misinterpreted and misunderstood. Both terms, MTBF and MTTF are used as an attribute or ... of occasions, it is used interchangeably with the MTBF, and with no mention of how this value ... item does not have and cannot have one MTBF or MTTF, but those, if calculated, averaged, estimated, ... the products where they are used. Also, the MTBF is a measure of failure frequency thus is ... of the reliability test results related to the MTBF or MTTF of an item and to the ...
Tópico(s): Transportation Systems and Infrastructure
2009 - Institute of Electrical and Electronics Engineers | Proceedings, annual Reliability and Maintainability Symposium/Proceedings. Annual Reliability and Maintainability Symposium
Seyed Mohammad Mortazavi, Maryam Mohamadi, Javid Jouzdani,
... independent and dependent failures. Ignoring dependent variables in MTBF evaluation of redundant systems hastens the occurrence of ... both leading to a considerable decrease in the MTBF of redundant systems. In this paper, the alpha- ... CCF and cascading failure in the evaluation of MTBF of a 2-out-of-3 repairable redundant system. Then, using a transposed matrix, the MTBF function of the system is determined. Due to ... programming model is used to determine system's MTBF. Finally, in order to validate the proposed model, ...
Tópico(s): Software Reliability and Analysis Research
2017 - Springer Nature | Journal of industrial engineering international
Michael L. Perdue, Ralph Gottschalg,
... Component PDF Shape Scale Location λ × 10−6 MTBF, h Source breaker – AC exponential n/a n/ ... are described by the mean-time-between-failures (MTBF) and mean-time-to-repair (MTTR). MTTR is ... could be, but not entirely unreasonable. The resulting MTBF of about 1 year is well in excess ... the higher lifetime energy production. The suggestion of MTBF in the order of 3 years appears to ... could be identified. Major inverter manufacturers mentioned that MTBF should be in the range of 30+ years ... on average 1.5 FIT reporting cycles and MTBF of 6 weeks would also appear reasonable. This ...
Tópico(s): Advanced Battery Technologies Research
2015 - Institution of Engineering and Technology | IET Renewable Power Generation
Tarun K. Podder, Ivan Buzurović, Ke Huang, Timothy N. Showalter, Adam P. Dicker, Yan Yu,
... assess the reliability and mean time before failure (MTBF) of the system. In this article, the authors ... preclinical evaluation and analysis of the reliability and MTBF of an autonomous robotic system, which is developed ... i.e., Crow's model, were applied. The MTBF was used as an important measure for assessing ... interval suggested a trend toward improved reliability. The MTBF was 592 seeds, which implied that several prostate ... any critical failure. The shape parameter for the MTBF was 0.3859 , suggesting a positive reliability growth ...
Tópico(s): Surgical Simulation and Training
2010 - Wiley | Medical Physics
Prediction of mean time between failures (MTBF) is an important aspect of the initial stage of system development. It is often difficult to predict system MTBF during a given time since the component failure ... a Monte Carlo simulation algorithm to calculate the MTBF during a given time of a binary coherent ... the minimal path sets of the system. The MTBF for a specific time interval, e.g. a ... are unknown, then a lower bound of system MTBF can be estimated by using known constant failure ...
Tópico(s): Statistical Distribution Estimation and Applications
1992 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Reliability
... herein. The modified model yields finite and nonzero MTBFs at the start and end of development testing. ... Test plan for a Reliability Program because the MTBF is zero at the start of testing and ... tests. The parameters of the modified model; limiting MTBF, initial MTBF, and Duane shape parameter (logarithmic growth rate) are ... scale-parameter as a function of the limiting MTBF, initial MTBF, and shape parameter is given. The time required ...
Tópico(s): Chemical Safety and Risk Management
1979 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Reliability
K. D. Solozhentseva, А. И. Баталов, Н. Е. Захарова, S A Goryaynov, E. L. Pogosbekyan, Igor Pronin,
... specificity and sensitivity (0.64, 70%, 60% for mTBF and 0.66, 77%, 62% for nTBF). Peritumoral ... 22.89 versus 16.58 + -6.46 for mTBF and 1.63 + -1.14 versus 0.88 + - ... specificity, and sensitivity (0.75, 68%, 73% for mTBF and 0.77, 58%, 91% for nTBF). Regarding ... 0.76, specificity-75%, and sensitivity-73% for mTBF; 0.83, 67%, and 93% respectively, for nTBF. ... 0.74, specificity-70%, and sensitivity-93% for mTBF; 0.75, 70%, and 93% respectively, for nTBF. ...
Tópico(s): Medical Imaging Techniques and Applications
2022 - Frontiers Media | Frontiers in Oncology
Purushottam Sigdel, Xu Yuan, Nian-Feng Tzeng,
... real-world systems, whose mean time between failures (MTBFs) often fluctuate. The considered control scheme is based ... θ follow a pre-determined sequence independent of MTBF to aim at performance optimality and is shown ... are tracked during job execution for real-time MTBF estimation, an enhanced CHORE (dubbed En-CHORE) is ... inter-checkpoint interval optimized for one constant global MTBF known a prior) both under synthetic random failures with local MTBF fluctuating markedly and under real failure traces of ...
Tópico(s): Real-Time Systems Scheduling
2020 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Parallel and Distributed Systems
Pooya Alavian, Yongsoon Eun, Kang Liu, Semyon M. Meerkov, Liang Zhang,
The mean time between failures (MTBF) and mean time to repair (MTTR) of manufacturing equipment (e.g., machines) are used in every quantitative method for production systems ... sufficient to calculate $(\alpha, \beta)$ -precise estimates of MTBF and MTTR. In addition, this article derives a ... equipment reliability characteristics. Quantifying the equipment status by MTBF and MTTR, this article provides answers to the ... downtime are required to obtain reliable estimates of MTBF and MTTR? Q2: How long the observation period ...
Tópico(s): Fault Detection and Control Systems
2020 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Automation Science and Engineering
Roh‐Eul Yoo, Seung Hong Choi, Hye Rim Cho, Tae Min Kim, Se‐Hoon Lee, Chul‐Kee Park, Sung‐Hye Park, Il Han Kim, Tae Jin Yun, Ji‐hoon Kim, Chul‐Ho Sohn, Moon Hee Han, Kee Hyun Chang,
... pCASL perfusion map, mean absolute tumor blood flow (mTBF) was calculated from five regions of interest (ROIs) ... enhancing portion of the tumor. Relative TBF (rTBF = mTBF/mBF gm × 100) was also calculated. mTBF and rTBF of high‐grade gliomas and lymphomas ... the group of high‐grade gliomas. Results Both mTBF and rTBF of the high‐grade gliomas were ... expression status showed a significant positive correlation with mTBF( P = 0.015) and rTBF( P = 0.007). ...
Tópico(s): Advanced MRI Techniques and Applications
2013 - Wiley | Journal of Magnetic Resonance Imaging
Mean time between failures (MTBF) is a common reliability measure used to assess the failure behavior of repairable systems. In order to increase MTBF, in most systems, it is a common practice ... validity of a commonly used equation for computing MTBF of systems subjected to periodic maintenance.) For complex ... proposed in a recent paper always underestimates the MTBF; hence, it is a lower bound at best.) ...
Tópico(s): Software Reliability and Analysis Research
2006 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Reliability
Sheng Zhang, Wei Zhou, Chungang CHEN,
... of dough from modified Tartary buckwheat bran flour (MTBF) by heat-moisture treatment (HMT) and wheat flour ( ... investigated in this study, and the application of MTBF in steamed bread processing was also evaluated. The results showed that the addition of MTBF had a significant effect on torque curve and ... With the increase of the weight proportion of MTBF in the blend (WMTBF), the water absorption of ...
Tópico(s): Microbial Metabolites in Food Biotechnology
2022 - Sociedade Brasileira de Ciência e Tecnologia de Alimentos | Food Science and Technology
... Building Footprint Dataset for 33 U.S. Counties (MTBF-33). MTBF-33 contains over 6.2 million building footprints ... sensing data, historical maps, or similar data sources. MTBF-33 is available at http://doi.org/10. ...
Tópico(s): Remote Sensing and LiDAR Applications
2022 - Elsevier BV | Data in Brief
Sung Wook Choi, Sang Rim Kim, Hyunseong Kang, Dong-Hee Kim, Yong‐Geun Park,
... distal clavicle fracture with modified tension band fixation (MTBF) and coracoclavicular (CC) stabilisation, and evaluate the radiologic ... clavicle (Neer classification type IIb) were treated with MTBF and CC stabilisation. After the CC stabilisation was ... suture anchor or flip button, internal fixation using MTBF was carried out. Each patient was followed up ... drilled holes for CC stabilisation by inappropriate tunnelling.MTBF and CC stabilisation is a useful technique for ...
Tópico(s): Shoulder Injury and Treatment
2014 - Elsevier BV | Injury
... usually measured by the mean-time between failures (MTBF) of the system. Recent synchronizer metastability measurements indicate degradation of MTBF with technology scaling for library flip-flop circuits ... time constant (τ), the metastability window (TW), and MTBF is presented. We show a detailed comparison of ... correct number of synchronizer stages required for target MTBF.
Tópico(s): VLSI and Analog Circuit Testing
2014 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Very Large Scale Integration (VLSI) Systems
Julia Furtner, Benjamin Bender, Christian Braun, Jens Schittenhelm, Marco Skardelly, Ulrike Ernemann, Sotirios Bisdas,
... an optimal cut-off value of maximum TBF (mTBF) values for subgrouping in low-perfused and high- ... were used to determine the prognostic value of mTBF for EFS. An optimal mTBF cut-off value of 182 ml/100 g/ ... 0012) independent of the WHO glioma grade. Quantified mTBF values obtained by ASL offer a new and ...
Tópico(s): Advanced MRI Techniques and Applications
2014 - Public Library of Science | PLoS ONE
... methodology for calculating the mean time between failure (MTBF) of a photovoltaic module-integrated inverter (PV-MII). ... of the module-integrated electronics to calculate the MTBF of the MII. This leads to more realistic ... is the most vulnerable component with the lowest MTBF, but more importantly provide a quantified assessment of realistic MTBF under expected operating conditions rather than a single ...
Tópico(s): Multilevel Inverters and Converters
2012 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Power Electronics
Marcello Braglia, Gionata Carmignani, Marco Frosolini, Francesco Zammori,
... in terms of the Mean Time Between Failure (MTBF). Assessing the influence of working conditions and/or environmental factors on the MTBF is a prerequisite for the development of an ... makes it possible not only to define the MTBF of the analyzed components, but also to identify ...
Tópico(s): Reliability and Maintenance Optimization
2011 - Elsevier BV | Reliability Engineering & System Safety
... the transients leads to about five time lower MTBF, if no error recovery mechanisms are employed. Significantly ... fault-tolerance features of the processor preserve the MTBF, even if the rate of the transient faults ... failure rate of the intermittent faults may lower MTBF by 31% to 33%. MTBF decreases even more, by 45% to 67%, if ...
Tópico(s): Petri Nets in System Modeling
2005 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Reliability
Stefano Elia, Alessio Santantonio,
... configuration and components' failure rate.Thorough research on MTBF (Mean Time Between Failure) data has been performed ... the Reliability Block Diagram scheme; it has an MTBF value calculated form yearly statistics of UPS fire ... systems have been investigated and compared based on MTBF.The importance of fire compartmentation between two or ...
Tópico(s): Power System Reliability and Maintenance
2016 - VSB – Technical University of Ostrava | Advances in Electrical and Electronic Engineering
Gurukarthik Babu Balachandran, P. Narayanasamy, Anandha Balaji Alexander, Prince Winston David, Rajesh Kannan Mariappan, Muthu Eshwaran Ramachandran, Indran Suyambulingam, Sanjay Mavinkere Rangappa, Suchart Siengchin,
... mechanical properties of the M. tinctoria bark fiber (MTBF) were investigated. The mean diameter and density values ... a crystallite size of 3.086 nm for MTBF. Fourier transform infrared analysis indicated the presence of ... analysis demonstrated the thermal stability of the extracted MTBF up to 240 °C. Based on these findings, ...
Tópico(s): Nanocomposite Films for Food Packaging
2023 - Elsevier BV | Heliyon
Chiara Boccaletti, Stefano Elia, E.F. Salas M, M. Pasquali,
... to increase the Overall Mean Time Between Failures (MTBF) of the whole backup system. In this paper, ... statistical analysis has been performed to evaluate the MTBF for batteries, supercapacitors and other components available in ... both batteries and supercapacitors, allowing to triple the MTBF of the cranking storage system.
Tópico(s): Fuel Cells and Related Materials
2020 - Elsevier BV | Journal of Energy Storage
Bin Bai, Ze Li, Qiliang Wu, Ce Zhou, Junyi Zhang,
... The failure rate and mean time between failure (MTBF) of predicted new industrial robot are obtained, and the MTBF of predicted new industrial robot is improved compared ... industrial robots. Social Implications This investigation can improve MTBF and extend the service life of industrial robots; ...
Tópico(s): Statistical Distribution Estimation and Applications
2020 - Emerald Publishing Limited | Industrial Robot the international journal of robotics research and application
Arash Shahin, Nahid Aminsabouri, Kamran Kianfar,
... maintenance tactics based on mean time between failures (MTBF) and mean time to repair (MTTR) indicators. Design/methodology/approach First, the influence of MTTR and MTBF indicators on proactive maintenance tactics was computed. The ... the cells of a DMG with MTTR and MTBF axes. The proposed approach was examined on 32 ...
Tópico(s): Quality and Safety in Healthcare
2018 - Emerald Publishing Limited | Journal of Manufacturing Technology Management
... converter yields the highest mean time between failures (MTBF) and reliability in terms of power losses of ... Afterwards, a relation between the wind speed and MTBF is established to evaluate the reliability of the ... each converter. The analysis reveals that efficiency and MTBF of an IBC are much higher compared to ...
Tópico(s): HVDC Systems and Fault Protection
2013 - Elsevier BV | Renewable Energy
Tatsuya Yamamoto, Kazuyuki Kinoshita, Nobuyuki Kosaka, Yoshitaka Sato, Hiroki Shioura, Hiroaki Takeuchi, Hirohiko Kimura,
... radiotherapy. Cerebral blood flow, maximum tumor blood flow (mTBF), tumor volume and the ratio of signal enhancement ... course of radiotherapy. Both the percentage change in mTBF (mTBF ratio) and the percentage change in volume (volume ... The correlation between the volume ratio and the mTBF ratio was assessed using linear regression analysis and ... demonstrated between the tumor volume ratio and the mTBF ratio before and after radiotherapy (rs=0.93, ... 0.20) or between changes in enhancement and mTBF ratio (rs=0.30) before and after radiotherapy. ...
Tópico(s): Lanthanide and Transition Metal Complexes
2013 - Elsevier BV | Magnetic Resonance Imaging
... jet engines, and used mean time between failures (MTBF) and failure rates plots, the Laplace trend test, ... maintenance philosophy. Further statistical calculations revealed patterns between MTBF and frequency of maintenance, specific serial numbers (SN) ... to replacement and depot maintenance tasks, correlations between MTBF and number of both installations and maintenances, and ...
Tópico(s): Occupational Health and Safety Research
2013 - Emerald Publishing Limited | International Journal of Quality & Reliability Management
Cynthia Rudin, David L. Waltz, Gilles Guérin, Albert Boulanger, Ansaf Salleb-Aouissi, Michael Chow, Haimonti Dutta, Phil Gross, Bert Huang, Steve Ierome, Dimas Isaac, Arthur Kressner, Rebecca J. Passonneau, Axinia Radeva, Lynn Wu,
... transformer rankings, 3) feeder Mean Time Between Failure (MTBF) estimates, and 4) manhole events vulnerability rankings. The ... machine learning algorithms for prioritization (supervised ranking or MTBF), and includes an evaluation of results via cross- ... test. Above and beyond the ranked lists and MTBF estimates are business management interfaces that allow the ...
Tópico(s): Electricity Theft Detection Techniques
2011 - IEEE Computer Society | IEEE Transactions on Pattern Analysis and Machine Intelligence
Jason Konner, Rachel N. Grisham, Jae H. Park, Owen A. O’Connor, G. Cropp, Robert G. Johnson, Alison L. Hannah, Martee L. Hensley, Paul Sabbatini, Svetlana Miranov, Samuel J. Danishefsky, David M. Hyman, David R. Spriggs, Jakob Dupont, Carol Aghajanian,
... 2; pharmacodynamic (PD) assessment for microtubule bundle formation (MTBF) was performed after the 1st dose, only at ... CL) = 9.3 ± 3.2 L/h/m2. MTBF (n = 9) was seen in 40% of PBMCs ... 100 mg/m2 weekly 3-on/1-off. MTBF can be demonstrated in PBMCs of patients exposed ...
Tópico(s): Glioma Diagnosis and Treatment
2011 - Springer Science+Business Media | Investigational New Drugs