Guiding photography using equatorial mount or synchronized motor enables the photographer to capture the same number of meteors as stationary photography does . the advantage of this kind of photography is that it helps the astronomer capture the meteor s motion across the star field . this can reduce a considerable amount of calculation work and minimize subsequent errors 利用赤道式腳架,或加上同步馬達所進行的追蹤攝影,所拍得的流星數(shù)目與固定攝影完全相同,沒有什么得益,唯一好處可直接拍得流星在恒星間之軌跡,減少了大量事后計算工作,減少誤差。
In this system, the velocity and position synchronization of the two motors is the very important thing . in this sense, the improved cross-couple control algorithm for synchronized motor control is used to emphasize synchronization between the two motors at expense of following the command absolutely . in case of synchronization for multiple motors, the real time data communication is necessary 在這個系統(tǒng)中,兩臺電機速度和轉(zhuǎn)角的精確同步是最關(guān)鍵的,根據(jù)這一特殊要求,本文研究了已被廣泛應(yīng)用的非耦合控制算法和傳統(tǒng)的耦合控制算法,提出了改進的耦合控制算法對兩臺電機進行控制,并對幾種控制算法進行仿真分析。