Method and circuit configuration for compensating for signal errors of a yaw velocity sensor

In a method for compensating for signal errors of a yaw velocity sensor used in regulating driving stability of a motor vehicle, which includes:

• ascertaining a driving state in which an offset of a yaw velocity sensor is unequivocally determinable from electrical signals of at least one of a steering wheel angle sensor, wheel speed sensors and a transverse acceleration sensor, and ascertaining the offset from the signals of one of the sensors in the driving state;
• and
• calculating a yaw velocity from the electrical signals of at least one of the sensors, the improvement which comprises:
• ascertaining driving states at a beginning and at an end of a predetermined time interval in which the yaw velocities of the motor vehicle are unequivocally determinable and differ from one another, and calculating the yaw velocities and fixing associated signal voltages of the yaw velocity sensor at those instants;
• calculating a sensitivity from the calculated yaw velocities and the associated signal voltages of the yaw velocity sensor by the formula:
• ##EQU3## in which .psi..sub.ref1 and .psi..sub.ref2 are the yaw velocities calculated at two instants, and U.sub.1 and U.sub.2, are the associated signal voltages of the yaw velocity sensor;
• associating various values of the offset and sensitivity with one another in pairs from a functional dependency of the offset and the sensitivity on the temperature, and storing the associated values in memory;
• and
• compensating for the offset and sensitivity errors of the yaw velocity sensor with the stored values.