Distributed electric vehicle yaw stability control system

The invention discloses a distributed electric vehicle yaw stability control system which comprises an information acquisition module, an evaluation calculation module, a reference value calculation module, a whole vehicle additional yaw moment calculation module, a whole vehicle longitudinal force calculation module and a torque distribution module. The information acquisition module is used for acquiring a first type of parameters, a second type of parameters and a third type of parameters; the evaluation calculation module is used for calculating a first-class parameter evaluation factor, a second-class parameter evaluation factor, a third-class parameter evaluation factor and a working condition state evaluation factor; the reference value calculation module is used for calculating a side slip angle reference value and a yaw velocity reference value; the whole vehicle additional yawing moment calculation module is used for calculating the whole vehicle additional yawing moment; the whole vehicle longitudi