In the process of identification,a bilinear model,based on which the identification equations are obtained,is used to describe the memorial restoring force of the nonlinear hysteretic system.

• 在识别过程中，将非线性迟滞系统的记忆恢复力用双折线模型来描述，并由此模型写出非线性迟滞系统的参数识别方程。