Multi-loop control and high-power driving circuit for quick-response electric steering engine

The utility model belongs to the technical field of power driving, and particularly relates to a multi-loop control and high-power driving circuit for a quick-response electric steering engine, which aims to broaden the field of application of electric steering engines. The multi-loop control and high-power driving circuit comprises a power circuit, a comprehensive control circuit, a position feedback circuit, a current feedback circuit, a pulse width modulation (PWM) circuit, an optical coupling isolation circuit and a power driving circuit, wherein the power circuit is connected with the other circuits; the comprehensive control circuit is also connected with the PWM circuit, the position feedback circuit and the current feedback circuit; the position feedback circuit is also connected with the electric steering engine; the current feedback circuit is also connected with the electric steering engine; the PWM circuit is also connected with the optical coupling isolation circuit; and the optical coupling isolation circuit is also connected with the power driving circuit. Due to the adoption of the power circuit, the comprehensive control circuit, the position feedback circuit, the current feedback circuit, the PWM circuit, the optical coupling isolation circuit and the power driving circuit, the power and the performance index of an electric steering engine system are greatly improved, and the application field of the electric steering engine system is broadened.