The sculling compensation algorithms are designed generally using minimal error theory, under the typical sculling motion. The coning compensation algorithms can be designed using Goodman-Robinson finite rotations theory besides minimal error theory. An two intervals accurate sculling compensation algorithm was deduced based on duality principle and two intervals correct coning compensation algorithm which was obtained using Goodman-Robinson finite rotations theory. Under the typical sculling motion, some digital simulations about this new algorithm were completed and some comparisons with two intervals optimum sculling compensation algorithm were taken. The simulation results show that the new two intervals sculling compensation algorithm has fine accuracy.
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