LEFDLife Expectancy Free of Disability
LEFDLinear Electric Field Device
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References in periodicals archive ?
As can be seen from this example, LEFD is a very effective detection method for transient faults and random faults.
After determining the initial states of nodes, LEFD further determines that the initial states of their neighbor nodes are normal for the nodes with a normal initial state.
The performance of LEFD was analyzed using NS2 in this study [15].
It can be seen that the DA of DLFS is much higher when the sensor fault probability is less than 30% as shown in Figure 2(a), and the DA of LEFD proposed in this paper is similar to that of BAFD; the DA of DLFS is rapidly reduced compared with that of LEFD and BAFD when the sensor fault probability is higher than 30%.
However, LEFD also has good performance and always maintains high DA and low FPR even in the case of high sensor fault probability for random faults, since the LEFD algorithm first checks whether the nodes' reading is stable in a short time.
The FPR of LEFD is very low because it has a good ability to handle transient faults.
The DA of DLFS and LEFD is almost the same as shown in Figure 5(a).