Patent ID: 11926297
Assignee: HYUNDAI KEFICO CORPORATION
Field: Transport (Mechanical engineering)
Classification: CPC B  F  G | IPC B  F  G

Claim 4:
5. The system of claim 1, wherein the booster negative pressure predictor comprises:
a charging model module configured to calculate a first differential pressure over time using the previous negative pressure of the brake booster calculated in the previous cycle and the negative pressure of the intake manifold of the current cycle;
a discharging model module configured to take a difference between the previous negative pressure of the brake booster calculated in the previous cycle and the negative pressure of the intake manifold of the current cycle as a basic factor, and compensate for the basic factor using the brake pedal force to calculate a second differential pressure over time;
a summing module configured to calculate a change rate by adding a discharging rate of the negative pressure of the brake booster corresponding to the second differential pressure to a charging rate of the negative pressure of the brake booster corresponding to the first differential pressure; and
an integration module configured to integrate the change rate over time and output the predicted negative pressure of the brake booster.