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

Figure 1

Phase portraits of the system (6) with 𝐴=0.2, 𝜔=0.6, 𝑎=10, and 𝛾=100: (a) 𝑥-𝑦 plane; (b) 𝑥-𝑧 plane; (c) 𝑦-𝑧 plane; (d) 𝑥-𝑦-𝑧 space.

(a)

(b)

(c)

(d)