Boost converter control method based on accurate feedback linearization

The invention provides a Boost converter control method based on accurate feedback linearization. The Boost converter control method comprises the following steps: establishing an affine nonlinear model of a Boost converter; designing accurate feedback linearization transformation, and converting an affine nonlinear model of the Boost converter into a linear model; designing an LESO observer for observing the state and disturbance of the linear model and eliminating the disturbance; and determining a control strategy of the Boost converter according to the observation state of the LESO observer. According to the method, a nonlinear system is converted into a linear system through accurate feedback linearization, meanwhile, total disturbance is observed through LESO, unmodeled dynamics, external disturbance and the like are restrained, and voltage stabilization is achieved. 本发明提出的一种基于精确反馈线性化的Boost变换器控制方法，包括：建立Boost变换器的仿射非线性模型；设计精确反馈线性化变换，将Boost变换器的仿射非线性模型转变为线性模型；设计LESO观测器用于观测线性模型的状态和扰动，并消除扰动；根据LESO观测器的观测状态，确定B