Aiming at the problem that there is a large deviation of the spin-stabilized satellite using infrared benchmark for attitude controlling, the control theory of isoclinic angle is described firstly, the difference between the solar reference and infrared benchmark on attitude controlling is analyzed，the main cause leading to the large deviation using infrared benchmark is also explained. A method of execution angle compensation and correction is put forward finally. Verified by simulation, the control precision is improved effectively after execution angle correction.
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