Abstract: The present invention relates to a trusted measurement and control network authentication method based on double cryptographic values and chaotic encryption. The specific method comprises realizing identity authentication and key negotiation processes through double cryptographic values and chaotic public key ciphers and realizing secure transmission and verification of user identity credentials on the basis of building a trust chain through trusted computation for realizing a secure and trusted operating environment, thereby building a secure and trusted data transmission channel. The identity authentication method in the present invention comprises multiple links such as secure generation of user identity identifiers, read protection encapsulation, secure transmission and key negotiation. Each link adopts a unique and confidential cryptographic function for secure data generation, thereby ensuring the security of the authentication device access in an industrial measurement and control network.

Abstract: The present invention relates to a working condition state modeling and model correcting method, comprising collecting data, and arranging the data in a chronological order to form a time sequence data set; preprocessing the time sequence data set; clustering the preprocessed time sequence data set, computing a central point data set of the duster, and generating a working condition data set and a working condition process data set; counting a working condition transition probability for the working condition process data set to form a working condition transition probability model data set; collecting the data, and detecting and processing the data; computing a working condition state transition mode phase by phase and processing.