نتایج جستجو برای: broken bar fault
تعداد نتایج: 118809 فیلتر نتایج به سال:
The multiphase induction motor is considered to be the promising alternative conventional three-phase motor, especially in safety-critical applications because of its inherent fault-tolerant feature. Therefore, attention many researchers has been paid develop different techniques for detecting various fault types motors, securely switch control mode drive system post-fault operation mode. sever...
A new algorithm is proposed in order to detect and quantify partially broken bars induction motors during start-up without load. In the qualification process, no threshold used. It uses principle of harmonic generated by bar stator current, it should vary with slip confirm failure provide more security diagnosis. severity index also proposed, based on maximum peaks Teager energy operator Gaussi...
Fault bars are common stress-induced feather abnormalities that could produce feather damage thus reducing flight performance. For that reason, it has been hypothesized that birds may have evolved adaptive strategies that reduce the costs of fault bars (the ‘fault bar allocation hypothesis’). An untested prediction of this hypothesis is that fault bars in important feathers for flight (wing and...
Abstract General faults in regular electrical railways system could be detect by implementing the specific protection functions such as ground fault or sensitive earth fault. Otherwise, in ungrounded electrical railway systems which using both feeding and return contact rail at the same time, fault detection cannot done with above-mentioned function. Due to recent growth in electrical railway ...
At CCS 2003, a new CRT-RSA algorithm was presented in [BOS03], which was claimed to be secure against fault attacks for various fault models. At CCS 2004, David Wagner presented an attack on the proposed scheme, claiming that the so-called BOS scheme was insecure for all presented fault models [Wag04]. However, the attack itself contains a flaw which shows that although the BOS scheme is broken...
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