The problem of modeling and control is a attention focus of people . the boiler water lever is importance index of industry boiler safety and satabilization . it is importance meanimg to ensure water level in definite range for increasing quality of steam and reducing wastage of equipment and insuring safety of whole hert - power - net at present , the mostly method is adopt the routine pid control 鍋爐的建模與控制問題一直是人們關注的焦點,而汽包水位是工業鍋爐安全、穩定運行的重要指標,保證水位控制在給定范圍內,對于提高蒸汽品質、減少設備損耗和運行損耗、確保整個網絡安全運行具有重要意義。