A Strange Double-Deck Butterfly Chaotic Attractor from a Permanent Magnet Synchronous Motor with Smooth Air Gap: Numerical Analysis and Experimental Observation

Figure 10

Chaotic motion shown in the phase portraits of the system (6) with 𝐴=0.8 V and 𝑓=385 Hz: (a) 𝑥-𝑦 plane; (b) 𝑥-𝑧 plane; (c) 𝑦-𝑧 plane.

(a)

(b)

(c)