In general, the ceramic equipments tunnel kiln has features of purely hysteretic, big inertness, nonlinear and complexity.Its accurate mathematics model is usually very difficult to be obtained.

• 陶瓷生产设备隧道窑普遍具有纯滞后、大惯性、非线性、时变复杂等特点，其精确数学模型往往很难获取。