Replace Controller Developed of Carbonized Micro Wood Fiber DPF

To solve the problem of when PM in the DPF made by carbonized microns wood fiber should be changed,based on the analysis of working principle and controlling requirements of the filter of carbonized microns wood fiber,in single engages of AT89C52 as the core,change controller of the DPF made by carbonized microns wood fiber was developed.The signal acquisition,data calculation and analysis were introduced.