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Platoon formation of highway vehicles has the potential to significantly enhance road safety, improve highway utility, and increase traffic efficiency. However, various uncertainties and disturbances that are present in real‐world driving conditions make the implementation of vehicular platoon a challenging problem. This study presents an H‐infinity control method for a platoon of heterogeneous vehicles with uncertain vehicle dynamics and uniform communication delay. The requirements of string stability, robustness and tracking performance are systematically measured by the H‐infinity norm, and explicitly satisfied by casting into the linear fractional transformation format. A delay‐dependent linear matrix inequality is derived to numerically solve the distributed controllers for each vehicle. The performances of the controlled platoon are theoretically analysed by using a delay‐dependent Lyapunov function which …