阐述基于模糊优化算法的导航系统惯性元件误差补偿方法。
The method of error compensation for inertial elements in navigation system based on fuzzy optimal algorithm is presented.
惯性元件误差是捷联惯导系统的主要误差源,必须在导航过程中加以补偿。
As the main error source of SINS, the errors of inertial instrument must be compensated.
在惯性导航系统中,惯性元件的标度因数误差对系统的误差产生了极大的影响。
The scale-factor error of inertia component is greatly influential to the precision of Inertial Navigation System (INS).
仿真结果表明,该模糊优化算法对导航系统惯性元件的误差补偿是可行的,而且是有效的,具有一定的实用价值。
The simulation results demonstrate that the fuzzy optimal method has certain validity and feasibility for error compensation of inertial elements in navigation system, it has better practical worth.
它指出了减少非线性误差的方向,并为部分元件参数的设计提供了依据。
This paper points out the direction of reducing nonlinear error and offers the basis for design of partial components parameters.
当合理选用测量元件时,电阻测量的最大误差可在0.3%以下。
The maximum error of resistance measurement is within 0.3%, if proper measuring elements were chosen.
设计了一种新型数字电感测量仪,介绍了测量电路原理及其所用的元件,并进行了误差分析。
In this paper a new digital inductance tester is designed, its circuit principle and components used in the tester are described, and error analysis is given.
结果表明:该方法能够有效地抑制位置反馈元件周期性误差导致的速率波动,提高转台的速率平稳性。
The results show that this method can efficiently restrain the rate ripple of the table caused by the periodic errors of position feedback elements, and can raise the rate stability of tables.
分析了离轴三镜系统中光学元件调整变量间的补偿关系和面形误差与调整变量间的补偿关系。
The compensation relationships among the adjustable variables and those between surface errors and the adjustable variables in off-axis three-mirror system are analyzed.
采用误差定向装配法,则在同样的元件精度下能获得最高的主轴组件装配精度。
The highest fitted accuracy of spindle assembly is realized under the same parts accuracy by errors directional fitting method.
镗床类主轴在最佳方位上装刀,可使加工误差最小,此方位只需被测元件一次安装和测试即可求出。
Fixing a cutting tool in best direction will make the operating error smallest. This direction can be obtained by fixing and testing the measured element only one time.
波前功率谱密度(PSD)被用于评价惯性约束聚变(ICF)激光驱动器光学元件中频段的波前误差。
The wavefront power spectral density(PSD) is being adopted for specifying the large optical component employed in high power density solid-state laser for inertial confinement fusion(ICF).
滚动轴承一般按经验公式估算其刚度特性或简化为定常的弹性元件,但误差较大。
Rolling bearing stiffness is usually estimated empirically and it is simplified as a constant stiffness element. This method often causes large error.
波前功率谱密度(PSD)被用于评价ICF激光驱动器光学元件在中频区域的波前误差。
The wavefront power spectral density (PSD) is being adopted for specifying the large optical components employed in high power density solid state laser for inertial confinement fusion (ICF).
将深刻蚀二元光学元件与一般二元光学元件制作误差规律的不同之处进行了分析说明;
The experience formula, which can better describe the fabrication errors of the deep etched binary optics element, is presented.
从快速性和稳态误差二个方面,分析了元件参数(特别是阀芯定位弹簧刚度)对分流精度的影响。
The influence of the parameters of the valve(in particular the spring rigidity of the valve rod) on flow-dividing accuracy is analysed in the rate of self-regulation and the steady-state error.
电容分压器是所采用的电压传感元件,本文讨论了杂散电容对测量误差的影响,分析了电网暂态现象对分压器的影响。
Capacitor voltage divider is the voltage sensor. The influence of stray capacitor to measurement is discussed, and the influence of transient element to the divider is analyzed.
根据棱镜调整理论,分析了由于平面反射元件的安装误差所导致的光束转向、光轴偏离系统光轴的情况,并推导出相应的精确表达式。
In this paper, according to the law of prism turning, due to the errors in planar reflector assembling, light axis departure from systemic axis and light turning are analyzed.
为了补偿由于惯性敏感元件高频振动整流所引起的非线性输出误差,研究一种新的补偿方法——随机采样法。
In order to compensate the nonlinear errors induced by the rectification for high frequency vibrations in the inertial measure unit (IMU), the paper presents a new random sampling method.
在折转光路中,由于安装误差,平面反射元件会存在三维方向的微偏角。
In reflective light path, because of the errors in assembling, planar reflector would have three tiny dimensional angles stray.
指出线宽误差对二元光学元件衍射效率影响较大。
It is pointed out that the linewidth error has very large effect of BOEs diffractive efficiency.
由于这类弹性元件的几何形状较复杂,并且加工误差和材质变化均会影响到刚度值,因此生产中是通过测量的手段来保证刚度指标。
Due to their complicated geometry, along with machining errors and changes of materials characteristic, it is impossible to gain the accurate values of the stiffness by calculation.
温度传感器用来测量霍尔元件的工作环境温度,对温度误差进行修正。
Hall component switches magnetic inductive intensity to hall voltage by hall effection and temperature sensor measures the temperature of work environment of hall component.
提出了一种圆度误差测量数据采集系统,该系统采用非接触电涡流传感器作为圆度误差数据的检测元件,采用高速数据采集卡采集圆度误差数据。
The detecting element adopts the non-contacting current vortex sensors in the system. The data collecting of circular error is equiped with the high speed acquisition card.
该方法克服了传统刀口扫描法的缺陷, 消除了由于离散型光学元件的离散性产生的空间非平移不变性的影响,减小了测量误差,提高了精确度。
The method avoids the influence of non-isoplanantic result from the dispersancy position between the edge and the array for measured MTF, and its precision was improved accordingly.
结果表明,测量误差对过热元件的故障诊断影响较小。
The result shows that the method is useful for the fault diagnosis of the overheated components in electric control cabinets.
波前功率谱密度 (PSD)被用于评价惯性约束聚变激光驱动器光学元件在中频区域的波前误差。
The use of Fourier analysis techniques to measure the wavefront power spectral density (PSD) in mid frequency domain is discussed.
此外,从系统光源、光学元件到接收器件等组成部分分析了整个系统中各种误差源对测试精度的影响。
The effects on the measurement precision of the different sources, such as light source, polarizer and detector, etc. , have been analyzed.
此外,从系统光源、光学元件到接收器件等组成部分分析了整个系统中各种误差源对测试精度的影响。
The effects on the measurement precision of the different sources, such as light source, polarizer and detector, etc. , have been analyzed.
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