Skip to main content

Table 3 Estimation results of IBPSO-based MUSIC

From: IBPSO-Based MUSIC Algorithm for Broken Rotor Bars Fault Detection of Induction Motors

Frequency parameter True value Statistical indices
Average estimation value Average estimation error Maximum estimation error
Fundamental frequency f1 (Hz) 50.0000 50.0000 4.7 × 10−7 4.8 × 10−5
Fault-related frequency (1 – 2s)f1 (Hz) 49.5438 49.5438 1.1 × 10−5 7.8 × 10−4
Fault-related frequency (1 + 2s)f1 (Hz) 50.4562 50.4562 6.9 × 10−6 8.4 × 10−4