计算机与数字工程
計算機與數字工程
계산궤여수자공정
COMPUTER & DIGITAL ENGINEERING
2014年
11期
2194-2197
,共4页
三轴%姿态系统%Cortex-M4%递推最小二乘%卡尔曼滤波
三軸%姿態繫統%Cortex-M4%遞推最小二乘%卡爾曼濾波
삼축%자태계통%Cortex-M4%체추최소이승%잡이만려파
triaxial%attitude system%Cortex-M4%recursive least squares%Kalman filter
在控制领域实际运用中,经常需要考虑物体在三维空间的姿态信息。为了采集物体的角度、角速度信息,论文设计并实现了一种基于Cortex‐M4的三轴姿态系统。使用高性能Cortex‐M4处理器融合倾角传感器、陀螺仪及电子罗盘,通过采用递推最小二乘多项式拟合算法和卡尔曼滤波算法对采集到的信号进行滤波,从而提高整个系统控制精度。论文详细介绍了系统的组成及软硬件设计方法,结合嵌入式实时操作系统,保证了系统的可靠性、实时性和稳定性。
在控製領域實際運用中,經常需要攷慮物體在三維空間的姿態信息。為瞭採集物體的角度、角速度信息,論文設計併實現瞭一種基于Cortex‐M4的三軸姿態繫統。使用高性能Cortex‐M4處理器融閤傾角傳感器、陀螺儀及電子囉盤,通過採用遞推最小二乘多項式擬閤算法和卡爾曼濾波算法對採集到的信號進行濾波,從而提高整箇繫統控製精度。論文詳細介紹瞭繫統的組成及軟硬件設計方法,結閤嵌入式實時操作繫統,保證瞭繫統的可靠性、實時性和穩定性。
재공제영역실제운용중,경상수요고필물체재삼유공간적자태신식。위료채집물체적각도、각속도신식,논문설계병실현료일충기우Cortex‐M4적삼축자태계통。사용고성능Cortex‐M4처리기융합경각전감기、타라의급전자라반,통과채용체추최소이승다항식의합산법화잡이만려파산법대채집도적신호진행려파,종이제고정개계통공제정도。논문상세개소료계통적조성급연경건설계방법,결합감입식실시조작계통,보증료계통적가고성、실시성화은정성。
In the practical application of control areas ,space attitudes of the objects in three‐dimensional are needed to consider .In order to capture the perspective of the object ,the angular velocity information ,the paper designed and imple‐mented a three‐axis attitude system based on the Cortex‐M4 .High‐performance Cortex‐M4 processor integration tilt sensors , gyroscopes and electronic compass ,polynomial fitting algorithm and Kalman filter algorithm are used for filtering the signal collected through the use of recursive least squares ,thereby improving overall system control precision .The paper intro‐duced the composition and method of system hardware and software design in detail ,combined with an embedded real‐time operating system to ensure the reliability ,timeliness and stability of the system .