Safety Status Evaluation of Mixing Furnace in Aluminum Foundry Based on D-S Evidence Theory-Normal Membership

Aiming at the problem of missing data on the safety status of the mixing furnace in the aluminum foundry, a safety status evaluation model for the mixing furnace based on DS evidence theory was established. By analyzing the status data of the operation process of the mixing furnace, the discretized data was fitted to extract the distribution characteristics. And other information evidence and the index similarity is used to determine the index weight. Finally, the safety status of 1 # mixing furnace in the casting aluminum workshop of Taiyuan Dongalumi Aluminum Co., Ltd. in Shanxi Province was taken as the research object, and the validity of the model was verified.