Title :
Initial Alignment Method of the INS for the Rotary Rocket
Author :
Dong, Mingjie ; Wang, Bo ; Cui, Yan
Author_Institution :
Sch. of Autom., Beijing Inst. of Technol., Beijing, China
Abstract :
Due to the small size of the INS for the rotary rocket system, a scheme that a FOG and a DTG are used as the angular rate sensor is put forward. With the scheme, the system is finished in the volume of Φμ190mm×180mm. Using the technology of rotating modulation, the influence of the low-accuracy DTG drifts are weakened. The simulation results show that the alignment error of the attitude angles is less than 0.02¡ã within 280s.
Keywords :
attitude measurement; inertial navigation; rockets; INS; alignment error; angular rate sensor; attitude angle; inertial navigation system; initial alignment method; low-accuracy DTG; rotary rocket system; rotating modulation; Accelerometers; Accuracy; Mathematical model; Modulation; Navigation; Noise; Rockets; DTG; FOG; initial alignment; rotating modulation;
Conference_Titel :
Intelligent Human-Machine Systems and Cybernetics (IHMSC), 2011 International Conference on
Conference_Location :
Zhejiang
Print_ISBN :
978-1-4577-0676-9
DOI :
10.1109/IHMSC.2011.40
