Optimization Shape of Variable Capacitance Micromotor Using Differential Evolution Algorithm

Table 1

Design parameters and their boundary constraints.

Parameter	Symbol	Limits
Stator pole width	𝜑𝑠	15^∘<𝑥1<44^∘
Rotor pole width	𝜑𝑟	15^∘<𝑥2<59^∘
Rotor inner radius	𝑅𝑖𝑟	20𝜇m<𝑥3<50𝜇m