Intelligent Equipment Protection Method Based on Dynamic State Estimation

摘要

The present invention relates to a method for protecting intelligent industrial equipment based on dynamic state estimation. The method for protecting industrial equipment according to the present invention includes defining physical characteristics of a device to be protected and defining dynamic and static characteristics models using the physical characteristics. Collecting real-time measurement data of the device to be protected at regular time intervals, an algorithm to be used for dynamic state estimation based on the measurement data, estimated data of previous dynamic-related state variables, and the dynamic and static models Defining a value, setting a weight for each value of the measured data, estimating a current dynamic property-related state variable and a static property-related state variable by applying a weighted least squares method based on the algorithm, and the dynamic property Chi-squared test on the value of the related state variable and the value of the related state variable By applying the technique to calculate a fit based upon a difference between each value and the theoretical value of the measurement data comprises the step of determining whether a failure of the protected equipment.