Based on 3D magnetoresistive sensor calculating attitude angles

aiming at solver result appear larger solver error because of symbols switching

and solving the other two attitude angles needing to know one of the attitude angles.Attitude angle solution method is proposed based on the combination of magneticresistive sensor and accelerometer.Making use of a pitch angle of the accelerometer which provides one angle for geomagnetic sensor solver and using the roll angle of accelerometers solver can simultaneously measure the three angles instead of the roll angle of magnetoresistive sensor solver near the geomagnetic pitch angle.The method is verified in laboratory and achieves the desired effect

and provides a new method of the attitude angle determination of particular industry object as well.