Results 271 to 280 of about 43,176 (313)
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Active Fault Management for Microgrids
IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society, 2018Fault management is critical for efficiently supporting the increasing microgrids' penetration in distribution networks but remains an open problem. No existing ride through methods can ride through symmetrical and asymmetrical faults without increasing the fault current magnitude, meanwhile balancing microgrid power and eliminating double frequency ...
Wenfeng Wan +7 more
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Proceedings DARPA Information Survivability Conference and Exposition, 2004
The flexibility and power achieved by using active networks come with their own risks - any fault in the active code or the security infrastructure now represents a fault in the network as a whole. Secure containment of active code is necessary in order to ameliorate this risk.
Sandra Murphy +4 more
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The flexibility and power achieved by using active networks come with their own risks - any fault in the active code or the security infrastructure now represents a fault in the network as a whole. Secure containment of active code is necessary in order to ameliorate this risk.
Sandra Murphy +4 more
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Active Fault-Tolerant Control for a Quadrotor with Sensor Faults
Journal of Intelligent & Robotic Systems, 2017An active fault-tolerant control scheme for a quadrotor with velocity sensor faults is presented in this paper. A two-level control scheme is designed to guarantee the quadrotor to track the given trajectory in case of no faults. The control scheme consists of an external-loop Proportion Differentiation (PD) control law and an internal-loop Proportion ...
Liguo Qin +3 more
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Tectonophysics, 1975
Abstract Geologically young displacements have been observed along 24 faults in an area of Alaska of approximately 624,000 km 2 . Active faults of southern Alaska include the Patton Bay and Hanning Bay reverse-slip faults, both reactivated in 1964. The Fairweather strike-slip fault experienced surface faulting in 1958 and possibly in 1899.
George E. Brogan +3 more
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Abstract Geologically young displacements have been observed along 24 faults in an area of Alaska of approximately 624,000 km 2 . Active faults of southern Alaska include the Patton Bay and Hanning Bay reverse-slip faults, both reactivated in 1964. The Fairweather strike-slip fault experienced surface faulting in 1958 and possibly in 1899.
George E. Brogan +3 more
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Fault severity in models of fault-correction activity
IEEE Transactions on Reliability, 1995This study applies canonical correlation analysis to investigate the relationships between source-code (SC) complexity and fault-correction (FC) activity. Product and process measures collected during the development of a commercial real-time product provide the data for this analysis. Sets of variables represent SC complexity and FC activity.
D.L. Lanning, T.M. Khoshgoftaar
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Numerical modelling of fault activities
Computers & Geosciences, 2007There is a fundamental connection between crustal strain (deformation) rates and seismic activity. To this end two FORTRAN utility programs have been developed, aimed at estimating the seismicity on a fault in cases when this cannot be done directly, or as a comparison with observed data.
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2023
Abstract The power of a fault rupture beneath a dam was demonstrated when there was about 8 m of vertical movement beneath gate 17 of the Shih-Kang weir in Taiwan on 21 September 1999. The downstream damage was, in this case, minimal, but the incident has made designers very wary of attempting to build dams across potentially active ...
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Abstract The power of a fault rupture beneath a dam was demonstrated when there was about 8 m of vertical movement beneath gate 17 of the Shih-Kang weir in Taiwan on 21 September 1999. The downstream damage was, in this case, minimal, but the incident has made designers very wary of attempting to build dams across potentially active ...
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Fault-tolerant model predictive control with active fault isolation
2013 Conference on Control and Fault-Tolerant Systems (SysTol), 2013A robust control method is presented for linear systems subject to input and state constraints, bounded disturbances and measurement noise, and discrete faults in sensors, actuators, and system dynamics. The approach uses set-based fault detection and isolation techniques to coordinate switching between controllers designed for each fault scenario.
RAIMONDO, DAVIDE MARTINO +3 more
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Fault estimation and active fault tolerant control for servo systems
2016 IEEE International Conference on Real-time Computing and Robotics (RCAR), 2016In this paper, the problems of fault estimation and fault tolerant control for motor servo systems are investigated. The motor servo systems are modeled as continuous-time linear systems with unknown inputs and actuator faults. Based on the faulty system model, a robust fault estimation and active fault tolerant control scheme is proposed.
Fumin Guo, Xuemei Ren
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Scan Tests with Multiple Fault Activation Cycles for Delay Faults
24th IEEE VLSI Test Symposium, 2006In this paper we investigate methods to detect delay faults in circuits that use standard scan design. We demonstrate that delay faults at several sites in a circuit cannot be detected using standard launch off capture and launch off shift tests that use two test cycles.
Zhuo Zhang 0008 +4 more
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