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485 results
  • Understanding Dog Bites: The Important Role of Human Behavior. [Journal Article]
    J Appl Anim Welf Sci. 2020 Jul 13 [Online ahead of print]Reese LA, Vertalka JJ
  • This research contributes to extant knowledge about dog bites by using police department bite incident data to explore three sets of potential correlates of bites: traits of the victim, traits of the dog including the circumstances surrounding the bite, and traits of the neighborhood in which the bite occurred. It employs data on 478 bites, over a period of 8 years, in an urban setting that inclu…
  • Data-driven fault detection methods for detecting small-magnitude faults in anaerobic digestion process. [Journal Article]
    Water Sci Technol. 2020 Apr; 81(8):1740-1748.Kazemi P, Giralt J, … Steyer JP
  • Early detection of small-magnitude faults in anaerobic digestion (AD) processes is a mandatory step for preventing serious consequence in the future. Since volatile fatty acids (VFA) accumulation is widely suggested as a process health indicator, a VFA soft-sensor was developed based on support vector machine (SVM) and used for generating the residuals by comparing real and predicted VFA. The est…
  • Medical malpractice cases in Hippocratic collection: a review and today's perspective. [Review]
    Hippokratia. 2019 Jul-Sep; 23(3):99-105.Papavramidou N, Voultsos P
  • CONCLUSIONS: The passages mentioned in this paper, originating from the Hippocratic collection that refer to medical malpractice, imply an awareness of what is currently discussed as medical malpractice. This consideration may carry some weight, in particular when adopting a flexible traditionalist approach to the medical liability rules. HIPPOKRATIA 2019, 23(3): 99-105.
  • A fault-tolerant non-Clifford gate for the surface code in two dimensions. [Journal Article]
    Sci Adv. 2020 May; 6(21):eaay4929.Brown BJ
  • Fault-tolerant logic gates will consume a large proportion of the resources of a two-dimensional quantum computing architecture. Here we show how to perform a fault-tolerant non-Clifford gate with the surface code; a quantum error-correcting code now under intensive development. This alleviates the need for distillation or higher-dimensional components to complete a universal gate set. The operat…
  • Finite-Time Consensus Tracking Neural Network FTC of Multi-Agent Systems. [Journal Article]
    IEEE Trans Neural Netw Learn Syst. 2020 Apr 02; PPDong G, Li H, … Lu R
  • The finite-time consensus fault-tolerant control (FTC) tracking problem is studied for the nonlinear multi-agent systems (MASs) in the nonstrict feedback form. The MASs are subject to unknown symmetric output dead zones, actuator bias and gain faults, and unknown control coefficients. According to the properties of the neural network (NN), the unstructured uncertainties problem is solved. The Nus…
  • Fault-Tolerant Thresholds for the Surface Code in Excess of 5% under Biased Noise. [Journal Article]
    Phys Rev Lett. 2020 Apr 03; 124(13):130501.Tuckett DK, Bartlett SD, … Brown BJ
  • Noise in quantum computing is countered with quantum error correction. Achieving optimal performance will require tailoring codes and decoding algorithms to account for features of realistic noise, such as the common situation where the noise is biased towards dephasing. Here we introduce an efficient high-threshold decoder for a noise-tailored surface code based on minimum-weight perfect matchin…
  • Demonstration of Controlled-Phase Gates between Two Error-Correctable Photonic Qubits. [Journal Article]
    Phys Rev Lett. 2020 Mar 27; 124(12):120501.Xu Y, Ma Y, … Sun L
  • To realize fault-tolerant quantum computing, it is necessary to store quantum information in logical qubits with error correction functions, realized by distributing a logical state among multiple physical qubits or by encoding it in the Hilbert space of a high-dimensional system. Quantum gate operations between these error-correctable logical qubits, which are essential for implementation of any…
  • Optical Fiber Vibration Sensor Using Least Mean Square Error Algorithm. [Journal Article]
    Sensors (Basel). 2020 Apr 02; 20(7)Wang Y, Zou J, … Jin B
  • In order to enhance the signal-to-noise ratio (SNR) of a distributed optical fiber vibration sensor based on coherent optical time domain reflectometry (COTDR), a high extinction ratio cascade structure of an acousto-optic modulator and semiconductor optical amplifier is applied. The prior time-frequency analysis and least mean square error algorithm are adopted in the COTDR system for amplitude …
  • "Disbelief and Sadness": First-Year Health Profession Students' Perspectives on Medical Errors. [Journal Article]
    J Patient Saf. 2020 Mar 11 [Online ahead of print]Davis BP, Clevenger C, … Ander DS
  • CONCLUSIONS: First-year health profession students responded to medical error with strong emotion and distress. Their responses largely represent an individualistic view of healthcare in both the causes and solutions to medical errors. No differences in response themes were observed by discipline. This study represents our students' emotional responses to a medical error scenario. The qualitative responses and reactions of students to the Sheridan video offered opportunities to tease out nuances that would otherwise be unavailable in a typical attitudes survey. We noted a individualistic view of healthcare in both the causes and solutions to medical errors. We view these results as an opportunity for interprofessional education in systems-level approaches to improve patient safety. Curricular efforts in interprofessional education, collaborative practice, and patient safety should be driven by these results.
  • Fast Gate-Based Readout of Silicon Quantum Dots Using Josephson Parametric Amplification. [Journal Article]
    Phys Rev Lett. 2020 Feb 14; 124(6):067701.Schaal S, Ahmed I, … Morton JJL
  • Spins in silicon quantum devices are promising candidates for large-scale quantum computing. Gate-based sensing of spin qubits offers a compact and scalable readout with high fidelity, however, further improvements in sensitivity are required to meet the fidelity thresholds and measurement timescales needed for the implementation of fast feedback in error correction protocols. Here, we combine ra…
  • Quantum Teleportation of Shared Quantum Secret. [Journal Article]
    Phys Rev Lett. 2020 Feb 14; 124(6):060501.Lee SM, Lee SW, … Park HS
  • Quantum teleportation is a fundamental building block of quantum communications and quantum computations, transferring quantum states between distant physical entities. In the context of quantum secret sharing, the teleportation of quantum information shared by multiple parties without concentrating the information at any place is essential, and this cannot be realized by any previous scheme. We …
  • State-Degradation-Oriented Fault Diagnosis for High-Speed Train Running Gears System. [Journal Article]
    Sensors (Basel). 2020 Feb 13; 20(4)Cheng C, Wang W, … Teng W
  • As one of the critical components of high-speed trains, the running gears system directly affects the operation performance of the train. This paper proposes a state-degradation-oriented method for fault diagnosis of an actual running gears system based on the Wiener state degradation process and multi-sensor filtering. First of all, for the given measurements of the high-speed train, this paper …
  • Deep Learning with Dynamically Weighted Loss Function for Sensor-Based Prognostics and Health Management. [Journal Article]
    Sensors (Basel). 2020 Jan 28; 20(3)Rengasamy D, Jafari M, … Figueredo GP
  • Deep learning has been employed to prognostic and health management of automotive and aerospace with promising results. Literature in this area has revealed that most contributions regarding deep learning is largely focused on the model's architecture. However, contributions regarding improvement of different aspects in deep learning, such as custom loss function for prognostic and health managem…
  • Decoding quantum errors with subspace expansions. [Journal Article]
    Nat Commun. 2020 Jan 31; 11(1):636.McClean JR, Jiang Z, … Neven H
  • With rapid developments in quantum hardware comes a push towards the first practical applications. While fully fault-tolerant quantum computers are not yet realized, there may exist intermediate forms of error correction that enable practical applications. In this work, we consider the idea of post-processing error decoders using existing quantum codes, which mitigate errors on logical qubits usi…
  • Efficient Quantum Error Correction of Dephasing Induced by a Common Fluctuator. [Journal Article]
    Phys Rev Lett. 2020 Jan 17; 124(2):020504.Layden D, Chen M, Cappellaro P
  • Quantum error correction is expected to be essential in large-scale quantum technologies. However, the substantial overhead of qubits it requires is thought to greatly limit its utility in smaller, near-term devices. Here we introduce a new family of special-purpose quantum error-correcting codes that offer an exponential reduction in overhead compared to the usual repetition code. They are tailo…
  • 1-point RANSAC UKF with Inverse Covariance Intersection for Fault Tolerance. [Journal Article]
    Sensors (Basel). 2020 Jan 08; 20(2)Kim SY, Kang CH, Song JW
  • The fault tolerance estimation method is proposed to maintain reliable correspondences between sensor data and estimation performance regardless of the number of valid measurements. The proposed method is based on the 1-point random sample consensus (RANSAC) unscented Kalman filter (UKF), and the inverse covariance intersection (ICI)-based data fusion method is added to the update process in the …
  • Distributed fault detection and estimation in cyber-physical systems subject to actuator faults. [Journal Article]
    ISA Trans. 2019 Dec 16 [Online ahead of print]Xu D, Zhu F, … Yan X
  • The fault detection and estimation problems for the physical layer network in the cyber-physical systems with unknown external disturbances are investigated in this study. Both bias fault and loss of efficiency scenarios are considered for the actuators. Based on the adaptive threshold method and sliding mode observer approach, a distributed fault detection observer (DFDO) is constructed for each…
  • Research on Mechanical Fault Prediction Method Based on Multifeature Fusion of Vibration Sensing Data. [Journal Article]
    Sensors (Basel). 2019 Dec 18; 20(1)Huang M, Liu Z
  • Vibration sensing data is an important resource for mechanical fault prediction, which is widely used in the industrial sector. Artificial neural networks (ANNs) are important tools for classifying vibration sensing data. However, their basic structures and hyperparameters must be manually adjusted, which results in the prediction accuracy easily falling into the local optimum. For data with high…
  • Maximizing the Inner Resilience of a Network-on-Chip through Router Controllers Design. [Journal Article]
    Sensors (Basel). 2019 Dec 09; 19(24)Melo DR, Zeferino CA, … Bezerra EA
  • Reducing component size and increasing the operating frequency of integrated circuits makes the Systems-on-Chip (SoCs) more susceptible to faults. Faults can cause errors, and errors can be propagated and lead to a system failure. SoCs employing many cores rely on a Network-on-Chip (NoC) as the interconnect architecture. In this context, this study explores alternatives to implement the flow regu…
  • Risk assessment of an industrial wastewater treatment and reclamation plant using the bow-tie method. [Journal Article]
    Environ Monit Assess. 2019 Dec 11; 192(1):33.Analouei R, Taheriyoun M, Safavi HR
  • At present, wastewater reuse and recycling in water-stressed countries such as Iran has become a vital option for better management of water scarcity. However, despite the benefits of wastewater reuse, there is a probability of incomplete treatment of wastewater in accordance with the standards. Risk assessment of a wastewater treatment plant is required in order to determine the causes and conse…
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