The ramp metering rate is determined by the PID controller whose parameters are tuned by fuzzy logic according to the density tracking error and error variation.
斜坡根据密度跟踪误差和误差变化情况,通过模糊逻辑对控制器参数进行调整,确定了测量速度。
There is no significant differences in systematic and random set-up errors after shrinking field, except that the random set-up error variation is greater in the left-right direction.
缩野前后除左右方向上随机误差有显著差异外,其他各方向系统误差和随机误差没有显著差别。
Should there be an uncompensated variation in the reference junction temperature, there will be a corresponding change in millivolt with a resultant error in temperature measurement.
假如参考端温度的变化没被补偿,就会有相应的毫伏电压变化,结果会导致温度测量的误差。
If this compass variation or error is not compensated for, a navigator could find himself far off course and in deep trouble.
如果指南针偏差或错误没有正确补偿,一个航海家会发现他自己偏离航程太远和麻烦太大。
Mr Sims used a dash of theory to analyse the error terms in his equations and isolate the impact of the "fundamental shock", the primary source of unanticipated variation.
他用了少许的理论来分析他的等式中的误差,并且把不能预料到的变量的最基本的来源,那些最基本的冲击影响隔离起来。
We have also discussed the influence of the variation of the characteristic parameter on the measurement error and shown a design of the network.
我们又进一步研究了由于网络节点特性变化所引入的误差对检测精度影响,讨论了在一定检测精度要求下,这种光纤补偿网络的优化设计。
The variation geometric constraint net is applied into fixture error forecasting.
将变动几何约束网络应用于夹具误差预测。
Simulation results show that the system has better control performance and estimation effect, but the influence of parameters variation on speed estimation error is evident.
仿真结果表明该系统有较好的控制性能和辨识效果,但参数变化对速度辨识误差有明显的影响。
There are many factors that influence the sampling error, such as, extent of mark variation, amount of sample unit and the choice of sampling method, etc.
影响抽样误差大小有很多因素,如标志变异程度,样本单位数量的多少,抽样方式方法的选择等。
In the production practice, this problem should be kept in mind and resolved by programming for compensating the variation of tool nose curvature radius and removing the error.
在实际生产中要加以注意,并通过编程以补偿刀尖圆弧半径的变化,消除误差,使问题得以解决。
In sinusoidal phase modulating laser diode interferometer, the main error source is the variation in output light intensity of light source.
在半导体激光正弦相位调制干涉仪中,光源输出光强的变化是测量误差的主要来源。
Owing to the modified error in principle, the manufacturing error and the variation of the load, there still exists the mesh impact in the transmission of modified spur gear.
由于存在修形原理误差、齿轮加工误差以及载荷工况的变化,渐开线修形齿轮在使用中仍会有啮合冲击现象。
The variation of refresh rate and diffraction by opaque lattice will lead to reducing diffraction efficiency and this will increase exposure depth error.
刷新率的变化和黑栅衍射效应将导致衍射效率下降,使得曝光深度误差增加。
The proposed method only requires the flux linkage of the permanent magnet and is insensitive to parameter estimation error and variation.
这种方法只需要确定永磁磁链。 且对参数估算的误差及变化不敏感。
Controlling the teeth profile error induced by the variation of diameter of grinding wheel is a key problem in the process of grinding ZC1 worm.
控制由砂轮直径的变化所引起的蜗杆齿形误差,是磨削zc 1蜗杆过程中的关键问题。
The variation regulation of error by consulting the dynamic pressure corresponding table is got theoretically. It has been testified that the regulation is right.
从理论上得到了被测压力信号脉宽变化时,查准动态压力对照表的误差变化规律,经实验证明该规律是正确的。
This paper analyses source of error qualitatively. The result is the loss resistance of inductor and capacitor with is variable the frequency. Variation direction is different, not the same.
定性地分析了误差的来源,得出的结论是电感电容内部的损耗电阻随着频率的变化而变化,变化方向相反而并非相同。
When the radial component of the vapour velocity and the axial variation of the vapour temperature were neglected, the error of the sonic limit is within 10 per cent.
结果表明:忽略加热段内蒸汽温度的轴向变化及蒸汽流动的径向变化,钠热管声速限与实际误差在10%以内。 理论与实验较为吻合。
And fuzzy control can be well adapted to parameter variation while the steady-state error is inevitable.
模糊控制能够很好地适应参数变化,却不可避免稳态误差的存在。
Considering the effect of intensity eliminates the measurement error, which is produced by the variation of distance between the sensor and the object to be checked.
颜色检测中考虑光强影响,消除被测物体与传感器之间距离变化带来的测量误差。
Analyzed the variation trend of the Variable parameters PID governor with System error, and received their expression.
分析了变参数PID控制器各个参数随着误差信号的变化趋势,得到它们的关系表达式。
Results show that the effect of charge weight variation on the muzzle velocity probable error is not significant when the variation is within normal range.
结果表明,装药量在其正常范围内波动时,装药量的变化对初速或然误差的影响并不显著。
In this paper, phase variation value is defined with help of calculating error energy of adjacent code cells of MPSK signal, so that recognition of MPSK signal phase encoding rule can be realized.
本文通过计算多相编码信号(MPSK)相邻码元间的误差能量的方法来确定相位突变值,从而达到对MPSK信号相位编码规律的识别。
Analysis shows that the hybrid controller greatly decreases the variation of following error, and the machine runs more smoothly.
分析表明,混合控制器使跟随误差的波动明显减小,机床运动变得平稳。
The variation of chromatic dispersion induced delay time error of the true time delay line based on dispersive devices is investigated using an intensity-frequency modulating model.
利用强度频率混合调制模型研究了基于色散器件的光真延时线中色散导致的延时误差的变化规律。
For the macroscopic reservoir parameters, the permeability was enhanced, and the porosity variation was within the range of allowable error.
在宏观参数上则表现为渗透率的增加,储层渗透性变好,而孔隙度变化值在误差允许的范围基本不变。
An optimization approach for minimizing the kinematics error magnification from the linkage variation to the end-effector position is studied based on the graphical design method.
基于此方法,提出了一种优化途径,用以最小化由连杆长度误差至末端执行器运动学位置误差之间的误差放大倍率。
The result is consist with of atomic absorption spectrometry. Standard error 0.014 ~ 0.028, variation coefficient1.14~2.26%, recover96 ~ 103%.
该分析方法的测定结果与原子吸收法测定结果一致,标准偏差在0.014~0.028之间,变异系数在1.14~2.26%,回收率在96~103%范围内。
Researchers neglected the influence of sampling error, and small samples from F2 populations further reduced the variation. These deficiencies may result in wrong conclusions.
研究者对抽样误差的影响估计不足,所谓F2株系的小样本抽样,又进一步缩小了株系内变异程度,这就有可能出现假阳性的结果。
Researchers neglected the influence of sampling error, and small samples from F2 populations further reduced the variation. These deficiencies may result in wrong conclusions.
研究者对抽样误差的影响估计不足,所谓F2株系的小样本抽样,又进一步缩小了株系内变异程度,这就有可能出现假阳性的结果。
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