讨论载荷历程计数中的变程计数原则、雨流截断原则、峰谷值比较原则等主要计数原则,在此基础上重点论述雨流计数的“三变程”计数原则的原理、特点和使用方法,并指出与其他原则相比该原则所具有的优势。
Several counting rules of real- time rain- flow counting method are introduced:rain- flow cutting rule of graphics method, the rule of comparing peak and valley in four- point" and "three- point" method, etc. Half- cycle rule of single range method is introduced at the same time. Then, three-range" rule is brought forward. Its principle, characters and usage are discussed and the priority of the rule is indicated.