基于后方交會(huì)的室內(nèi)空間測量定位系統(tǒng)定向方法
發(fā)布時(shí)間：2018-11-17 14:18
【摘要】：為了實(shí)現(xiàn)室內(nèi)空間測量定位系統(tǒng)(w MPS)發(fā)射站定向參數(shù)的快速、精確校準(zhǔn),提高其方法的適應(yīng)性,研究了一種新的發(fā)射站定向方法.本方法借鑒工程測量中的后方交會(huì)原理,在w MPS發(fā)射站數(shù)學(xué)模型基礎(chǔ)上,引入坐標(biāo)控制場建立冗余光平面約束,得出參數(shù)優(yōu)化函數(shù).通過拉格朗日乘子法求取定向參數(shù)初值,進(jìn)行優(yōu)化解算.本方法可以實(shí)現(xiàn)發(fā)射站的自動(dòng)定向.搭建了實(shí)驗(yàn)平臺(tái)并以激光跟蹤儀測量結(jié)果作為比對基準(zhǔn),驗(yàn)證了校準(zhǔn)方法的準(zhǔn)確性.由本方法完成定向的w MPS測量點(diǎn)位誤差優(yōu)于±0.3 mm,且滿足大尺寸坐標(biāo)測量的精度要求.
[Abstract]:In order to realize the fast and accurate calibration of the orientation parameters of the (w MPS) transmitting station in the indoor space measurement and positioning system and to improve the adaptability of the method, a new method for the orientation of the transmitting station is studied. Based on the mathematical model of w MPS transmitter station, the coordinate control field is introduced to establish redundant optical plane constraints, and the parameter optimization function is obtained by referring to the principle of rear intersection in engineering survey. The initial value of directional parameters is obtained by Lagrange multiplier method, and the optimization solution is carried out. The method can realize the automatic orientation of the transmitting station. The accuracy of the calibration method is verified by setting up the experimental platform and using the measurement results of laser tracker as the reference. The position error of w MPS measured by this method is better than 鹵0. 3 mm, and meets the precision requirement of large size coordinate measurement.
【作者單位】： 精密測試技術(shù)及儀器國家重點(diǎn)實(shí)驗(yàn)室(天津大學(xué));
【基金】：國家自然科學(xué)基金資助項(xiàng)目(51305297,51405338) 國家重大科學(xué)儀器設(shè)備開發(fā)專項(xiàng)資助項(xiàng)目(2013YQ35074702)
【分類號】：TN249
本文編號：2338093
[Abstract]:In order to realize the fast and accurate calibration of the orientation parameters of the (w MPS) transmitting station in the indoor space measurement and positioning system and to improve the adaptability of the method, a new method for the orientation of the transmitting station is studied. Based on the mathematical model of w MPS transmitter station, the coordinate control field is introduced to establish redundant optical plane constraints, and the parameter optimization function is obtained by referring to the principle of rear intersection in engineering survey. The initial value of directional parameters is obtained by Lagrange multiplier method, and the optimization solution is carried out. The method can realize the automatic orientation of the transmitting station. The accuracy of the calibration method is verified by setting up the experimental platform and using the measurement results of laser tracker as the reference. The position error of w MPS measured by this method is better than 鹵0. 3 mm, and meets the precision requirement of large size coordinate measurement.
【作者單位】： 精密測試技術(shù)及儀器國家重點(diǎn)實(shí)驗(yàn)室(天津大學(xué));
【基金】：國家自然科學(xué)基金資助項(xiàng)目(51305297,51405338) 國家重大科學(xué)儀器設(shè)備開發(fā)專項(xiàng)資助項(xiàng)目(2013YQ35074702)
【分類號】：TN249
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