一种基于多文档得图像合并技术，利用贝叶斯原理估计混合logit模型的参数，IMC-PID是利用内模控制原理来对PID参数进行计算。- Based on multi-document image obtained combining technique, Bayesian parameter estimation principle mixed logit model, The IMC- PID is using the internal model control principle for PID parameters is calculated.