Tool Wear Detection Based on Duffing-Holmes Oscillator

Table 3

Threshold 𝑟 based on the golden section in the region 𝑟=[0.7,0.8].

Chaos, 𝑟1	Phase plane	Periodic, 𝑟2	Phase plane	Golden section, 𝑟	Phase plane
0.7		0.8		𝑟1+𝑟22
0.71		0.72		0.75
0.717		0.718		0.715
0.7173		0.7174		0.7175
0.71732		0.71733		0.71735
0.717329		0.717330		0.717325