Variable Time Headway Policy Based Platoon Control for Heterogeneous Connected Vehicles With External Disturbances. - Yongfu Li 001; Qingxiu Lv; Hao Zhu 003; Haiqing Li; Huaqing Li 001; Simon Hu 001; Shuyou Yu 001; Yibing Wang (IEEE Trans. Intell. Transp. Syst., 2022)