查询词典 gyroscope

As one part of the project, the dissertation is developed with thelocalization problem in mobile robot navigation. Combined with "MobileRobot 1 of Central South university (MORCS-1)", a mobile robot designed byus that equipped with a 2D laser measurement system to sense the environmentand the proprioceptive sensors such as the odometry, gyroscope to calculate itsdead reckoning, the approach about the four kind uncertainty factors of mobilerobot localization is studied. These researches include that the error analysisand calibration of position sensors is implemented to reduce the measurementnoise, the 3D kinematic model of mobile robot is built to gain the accuratepose in complex terrain, some work on the automatic detection of static ordynamic obstacles based on laser scanner is investigated to eliminate thedynamic influence of the environment and to realize the reliably absoluteposition, and lastly a robust algorithm is presented to involve the incrementalenvironment mapping and self-localization of mobile robot with unknown dataassociation and to improve the self-localization performance of mobile robotunder unknown environment.

作为该项目研究的一部分，本论文以移动机器人导航中的定位问题为研究内容，利用自行研制的装配有二维激光雷达环境感知系统，并通过里程计、陀螺仪等内部传感器来实现航迹推测的移动机器人"中南移动1号MORCS-1"，重点围绕影响移动机器人系统定位的四类不确定性处理展开研究：通过移动机器人定位传感器的误差分析及校准，旨在消除传感器噪声所带来的测量误差；通过建立移动机器人的三维运动学模型进行航迹推测，以期实现复杂地形下精确的移动机器人本体姿态感受；通过基于激光雷达的动静态障碍的自主检测等相关研究，尽量消除环境的不确定因素影响进而实现可靠的移动机器人绝对定位；通过以上研究，针对未知数据关联下移动机器人增量式环境建图与自定位的研究提出一种鲁棒的滤波算法，改善未知环境中移动机器人自定位的性能。

Gyro drift is an important target that can affect the precision of gyroscope, so the research on gyro drift filtering is much more important.

陀螺漂移是影响陀螺精度的重要指标，因而对陀螺漂移进行滤波的研究显得越来越重要。

This sample can be used in chip of integrated optics for fibre optical gyroscope and so on.

该样品能满足集成光学光纤陀螺芯片等的需要。

Based on the criterion,the optimal polynomial model of gyroscope temperature drift is set up.

利用这一准则，对陀螺仪误差系数温度漂移建模进行了分析，获得了温度漂移的最优多项式模型。

Based on the analysis of error, appropriate polynomial error model of the laser gyroscope is built to satisfy the error processing of the system. Recognition methods of model parameter and experiment results are given out as well.

在对其误差分析的基础上，建立了满足寻北系统误差处理需要的激光陀螺多项式误差模型，给出了模型参数的辨识方法和试验结果。

Gyroscope precession simulation model can modify parameters of the window, was easy to use.

陀螺进动仿真模型，可以修改窗口参数，使用起来很方便。

Based on the theory and experiments, the paper builds up the simplified mathematical model of the servo control system, deduces the system control rigidity expression, and points out the method to improve control rigidity. According to Routh stability criterion, the analytic stability condition is solved, which shows the conflict between the stability and control rigidity and that gyroscope is the key factor of the conflict.

论文结合理论和试验建立了光电稳定伺服控制系统的简化数学模型，推导出系统控制刚度表达式，指出提高控制刚度的方法；利用劳斯判据求解出系统稳定的解析条件式，描述了稳定性与控制刚度之间的矛盾，并指出陀螺是矛盾关键。

Firsts it briefly describes the principle of gyroscope-free stapdown inertial navigation system, then a six-accelerometers configuration scheme in triangular prism shape is presented according to the characteristic of engineering appliance.

在简述无陀螺捷联惯导系统原理的基础上，针对某工程应用背景的特点，提出了一种六加速度计三棱柱安装方式，推导了它的其力学编排方程，并对提高载体角速度计算值精度的方法进行了分析。

Through profound study of coupling relationship between gyroscope scale factor and its input axis misalignment,an uncouple principle was proposed,a precise mathematic model was established,and a set of uncouple test equipment and experiment were designed;the methods for solving constraint nonlinear Least-Squares problems were applied...

通过研究陀螺标度因数与输入轴失准角之间的耦合关系，提出了解耦测试原理，建立了严格的数学模型，针对该原理设计了解耦测试设备和方法；应用有约束多元非线性最小二乘问题解法实现了解耦解算。

Among them, the error of mechanical coupling, which comes from structural unsymmetry due to menufacturing error, can be reduced by improving structure of gyroscope.

由于制造误差等引起的机械耦合误差，可以通过改善陀螺仪的结构来减小耦合误差。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。