Analysis and Prediction of Hydraulic Support Load Based on Time Series Data Modeling

Figure 5

Self-correlation and partial self-correlation of sample data with difference processing.

(a) Self-correlation diagram of the monitored sample with first-order difference

(b) Partial self-correlation diagram of monitoring samples with first-order difference

(c) Self-correlation diagram of monitoring samples with seasonal differences

(d) Partial self-correlation diagram of monitoring samples with seasonal differences