Elevator brake device deterioration prediction system

An elevator brake device deterioration prediction system comprising:

• processing circuitry
• to acquire operation data regarding an operation of a brake device in response to the brake device operating to brake an elevator car;
• to convert the operation data into index data, the index data indicating deterioration of the brake device for each preset unit of time;
• to generate a deterioration model including a trend component showing a trend of long-term change and a periodic component showing a periodic change, as a model showing a change-with-time of deterioration represented by the index data;
• and
• to predict a deterioration time of the brake device based on the deterioration model, wherein
• the processing circuitry classifies the operation data with one or more classifications based on environmental data with respect to an operating environment of the brake device, and
• the processing circuitry generates the deterioration model for each classification among the one or more classifications.