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FAULT - Europe PMC

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Last Updated: 24 September 2022

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Fault-tolerant quantum algorithm for dual-threshold image segmentation

Quantum image processing methods have been a point of great curiosity due to the intrinsically high parallelism and entanglement properties of quantum computation. segmentation is one of image processing's most common methods, and it can be carried out in one of their most simple forms using thresholding algorithms. Segmentation is one of image processing's most common image processing techniques. Since T gates provide fault tolerance but have the trade-off of having a much higher price than other quantum gates, our focus has been on reducing the number of T gates.

Source link: https://europepmc.org/article/PPR/PPR547815


New geologic paleoseismological observations along the Acipayam−Serinhisar Fault zone, SW Anatolia

In Tu00fcrkiye, an earthquake of magnitude 5. 6 occurred in Acipayam, Denizli, on March 20th, causing severe destruction of infrastructure and buildings located in a seismically active area along the southwest Anatolian fault system. The causative fault has not been identified on Tu00fcrkiye's current fault map, and it has been identified for the first time by this research. The charcoal samples obtained from the trenched exposures were dated by radiocarbon method. Given the last two seismic events, this fault segment has produced two surface rupture earthquakes of magnitude 6. 0 and 6. 5, 350 years apart.

Source link: https://europepmc.org/article/PPR/PPR547931


A Fast Failover Technique for Link Failures and Proactive controller based Fault Recovery Mechanism in Software Defined Networks

To conclude, if any fault or failure is found in SDN, the recommended recovery strategy minimizes available packet loss by using alternate routes and proactively formulate flow rules to minimize failure recovery time. The proven FF_FRM_SDN method, according to the previous conventional SDN baseline techniques, yields substantial improvements in terms of simulation results such as Packet loss Ratio, End-to-End, and Failure recovery time as compared to other traditional SDN baseline approaches.

Source link: https://europepmc.org/article/PPR/PPR547558


Adaptive Event-Triggered Finite-Frequency Fault Detection With Zonotopic Threshold Analysis for LPV Systems.

This article discusses a series of multiobjective fault resolution observer design problems for linear parameter varying systems considering the unknown yet bounded disturbance with an adaptive event-triggered scheme. An H - /L -u221e multiobjective optimization challenge is suggested and solved by appropriate linear matrix inequalities in order to make the designed observer gain both fault sensitive and disturbance robust conditions. When considering the estimation uncertainty, the upper and lower bounds of the generated residual are determined by the zonotope method.

Source link: https://europepmc.org/article/MED/34133289


Fault Identification for a Class of Nonlinear Systems of Canonical Form via Deterministic Learning.

A fault identification approach for a class of nonlinear systems in canonical form is suggested in this paper, which uses a combination of the deterministic learning method and the adaptive high gain observer technologies. The incomplete persistent excitation condition of the identification system is established by using the DL technique, and then, the AHGO system can be used to determine both the states and the neural network weights simultaneously, using the DL method. When the observer gain is large, we show that the UCO property of the linear portion is based on the UCO property of the linear part. Therefore, the proposed learning observer's convergence is demonstrated by using the UCO property of the nonlinear identification scheme and the Lyapunov stability theorem.

Source link: https://europepmc.org/article/MED/34043521


Dissipativity-Based Fault-Tolerant Control for Stochastic Switched Systems With Time-Varying Delay and Uncertainties.

First, a unified framework of passivity that is a unified framework of passivity, is provided by H u221e, which yields higher precision and greater certainty of exponentially smooth results with less conservativeness.

Source link: https://europepmc.org/article/MED/33872174


Actuator Fault Detection, Identification, and Control of a Multirotor Using Residual Generation and Parameter Estimation Approaches

This paper introduces a two-stage construction of an FDI approach that is combined with an adaptive sliding mode controller for fault-tolerant control of a quadrotor with partial actuator failure. Based on the system's states and inputs, the FDI algorithm produces a residual signal based on the system's states and inputs. The cascade controller includes an adaptive SMC algorithm in the inner loop as well as a PID controller in the outer loop. In various actuator fault scenarios, real-time testbed experiments and Monte-Carlo simulation are used to establish the FDI algorithm's results and demonstrate the proposed algorithm's effectiveness.

Source link: https://europepmc.org/article/PPR/PPR546875


Identification Modelling and fault-tolerant predictive control for industrial input nonlinear actuator system

Process industry, chemical processing, and other manufacturing industries all have a critical role. By investigating the system's mechanism relationship, the model's configuration and order can be determined. To describe the key dynamic characteristics of the system's output, a data-driven identification algorithm is suggested for industrial actuators with dead-zone input nonlinearity based on sampled results. Process errors will decrease the tracking control accuracy of industrial actuator systems. The input dead zone block would stifle the input signal's response control results and reduce the control precision of the intermediate observer. According to the dead zone model, a compensator is used to convert the dead zone function to a linear function running through coordinates. The generalized linear system consists of the converted linear segment and the dynamic linear segment of the framework.

Source link: https://europepmc.org/article/PPR/PPR546703


Detraque: Dynamic execution tracing techniques for automatic fault localization of hardware design code.

Those that are not currently working Verilog fault localization schemes use the static analysis technique to find faults. Detraque traces these executions to localize faults in test cases, determining the likelihood of any Verilog statement being inaccurate and arranging the statements in ascending order by suspicion score after obtaining dynamic execution through test cases. Detraque can achieve a score of 18. 3% after conducting empirical investigation into real Verilog programs with 61 incorrect versions. Thus, Detraque has been shown to increase Verilog fault localization efficiency when used as a complement to static analysis techniques.

Source link: https://europepmc.org/article/MED/36112632


Bioinspired Injectable Self-Healing Hydrogel Sealant with Fault-Tolerant and Repeated Thermo-Responsive Adhesion for Sutureless Post-Wound-Closure and Wound Healing.

The resultant hydrogel cross-linked by the dynamic hydrogel cross-linked through a Schiff base bond, catechol-Fe coordinate bond, and the close collaboration between GT and temperature-dependent phase transition and SA ensures that the resulting hydrogel has the right mechanical and adhesive strength for effective wound closure, injectability, and self-healing capacity, as well as repeated closure of reopened wounds. The in vivo incision closure study demonstrated their ability to promote the wound closure and wound healing of the incisions, showing that the newly developed reversible adhesive hydrogel dressing could act as a versatile tissue sealant.

Source link: https://europepmc.org/article/MED/36098823

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions