【摘要】：微機電慣性測量系統(tǒng)（Micro-Electric Mechanical Inertial Measurement System）是應(yīng)用微型慣性器件對運載體進行導(dǎo)航參數(shù)測量的裝置，如何對微機電慣性測量系統(tǒng)進行系統(tǒng)建模和誤差分析，從而研究出更為有效的標(biāo)定方法，提高導(dǎo)航解算精度，是利用和發(fā)展微機電慣性測量系統(tǒng)的關(guān)鍵技術(shù)之一。 以基于中、低精度的微機電慣性器件的慣性測量系統(tǒng)為研究對象，以應(yīng)用微機電慣性測量系統(tǒng)的小型戰(zhàn)術(shù)導(dǎo)彈為研究背景。首先對微機電慣性器件進行性能分析，建立微機電慣性器件的靜、動態(tài)數(shù)學(xué)模型，然后分析了造成微機電慣性測量系統(tǒng)的誤差原因，確定了微機電慣性測量系統(tǒng)的誤差模型和誤差補償方法，為設(shè)計微機電慣性測量系統(tǒng)的標(biāo)定模型奠定基礎(chǔ)。 設(shè)計基于最小二乘估計法的標(biāo)定模型，針對滾轉(zhuǎn)方向角速率范圍較大的特點，，開展了標(biāo)定方法研究，在全量程線性標(biāo)定方法的基礎(chǔ)上進行優(yōu)化設(shè)計，應(yīng)用分段標(biāo)定方法，并加入非線性計算標(biāo)定方法，減小了均方差和標(biāo)度因數(shù)誤差，然后將標(biāo)度因數(shù)代入導(dǎo)航解算模型，在各項考核試驗中進行了測試驗證。
[Abstract]:Micro-Electro-Mechanical Inertial Measurement system (Micro-Electric Mechanical Inertial Measurement System) is a device which uses micro-inertial device to measure navigation parameters of carrier. How to build the system model and analyze the error of the micro-electro-mechanical inertial measurement system? Therefore, it is one of the key technologies to use and develop the MEMS inertial measurement system to study more effective calibration methods and improve the precision of navigation calculation. The research object is the inertial measurement system based on the middle and low precision micro-electro-mechanical inertial devices, and the research background is the small tactical missile based on the micro-electro-mechanical inertial measurement system. Firstly, the performance of MEMS inertial device is analyzed, and the static and dynamic mathematical model of MEMS is established. Then the error cause of MEMS inertial measurement system is analyzed. The error model and error compensation method of the micro-electro-mechanical inertial measurement system are determined, which lays a foundation for the design of the calibration model of the micro-electro-mechanical inertial measurement system. The calibration model based on the least squares estimation method is designed. Aiming at the characteristics of the wide range of angular velocity in the rolling direction, the calibration method is studied. Based on the linear calibration method of the full range, the optimal design is carried out and the piecewise calibration method is applied. The non-linear calculation calibration method is added to reduce the mean variance and scale factor error. Then the scale factor is added into the navigation solution model and tested and verified in each check-up test.
【學(xué)位授予單位】：國防科學(xué)技術(shù)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2012
【分類號】：TP274;TH-39

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