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Traction control design using model predictive control with fuel cut method for an internal combustion engine

This paper proposes a design method of traction control with model predictive control (MPC) by fuel cut of an internal combustion engine (ICE). Traction control on production cars usually operates an electronic throttle within the ICE. However, there are cases where traction control is performed by fuel cut in the motor sport field. For example, as a manufacturing cost is one of the evaluation factors in Formula SAE, many teams withhold installing an electronic throttle to achieve a better score. In such cases, fuel cut is one of the applicable methods. Since traction control by fuel cut cannot continuously control ICE torque, it might disturb vehicle status and worsen drivability. To avoid these problems, it is necessary to ensure traction control utilizing the dynamics of the powertrain, wheel and vehicle longitudinal motion. In this paper, the dynamics are modeled as a hybrid dynamical system, and traction control by fuel cut is achieved by MPC. The effectiveness of the control is demonstrated by Hardware-In-the-Loop-Simulation (HILS) comprising an electronic control unit (ECU) and a simulation model.