If the file is not local and it does not look like an external URI, report an error. 如果文件不是本地的,并且它看来不象个外部URI,那么报告错误。
An external object raised an error. No Error Description Available. 外部对象产生错误。没有有效的错误描述。
In the study, the effect of both fuzzy logic approximation error and external disturbance on the tracking error is attenuated to a prescribed level by adequately selecting the weighting factor. 然后与H∞相结合,通过选取控制变量的权重因子,可以将逼近误差和外部扰动对跟踪误差的影响减小到任意给定的标准。
The internal error is deal with cross-coupling controller, the external error is eliminated by a expert-fuzzy controller. 采用交叉耦合控制器对履带车辆的内部误差进行补偿,采用专家模糊控制器对履带机器车的外部控制误差进行补偿,从而实现了履带机器车的轨迹跟踪控制。
For external faults, the increase of the CT error introduced by the CT saturation may produce relay misoperation. 区外故障时,TA饱和会引起误差增大,易导致保护误动。
In this paper, the system structure of robot is introduced, and the effect of external error on this system is analyzed in details. 文章介绍了该幕墙清洗机器人系统结构,并详细分析了外部误差对该机器人系统的影响。
The simulation results show that the level damp of DINS can reduce the influence of the external velocity error, and restrain the error of longitude effectively. 通过仿真分析,比较两套阻尼系统的仿真结果,可以看出双惯导水平阻尼能够显著降低外速度误差的影响,抑制经度误差。
Analysis on transfer alignment performance of INS with external detection error 具有外观测误差的INS传递对准的性能分析
Objective Making use of computer, we intented to calculate the prescribed dose of any external radiotherapy fields, minimize the error in calculation and assure the quality control of radiotherapy. 目的利用微机计算肿瘤外照射任意照射野的预置剂量,减少临床剂量计算误差,保证放射治疗质量,实现预置剂量的微机化。
The authors obtained some iterative approximation theorems of fixed points for minor asymptotically nonexpansive mappings with external error member in uniformly convex Banach space, and proved these results by a new method. 在一致凸Banach空间中,给出了几个具外向型误差的次渐近非扩张型映象的不动点的迭代逼近定理,并给出了一种新的、更好的证明方法。
It is shown that the proposed scheme guarantees the stability of the closed-loop system and achieves tracking performance idex, meanwhile the influences of external disturbance, neural network approximation error and the cross-coupling of input to output on the tracking error are reduced to a prescribed level. 该方法不仅保证了闭环系统的稳定,而且使外部干扰、神经网络逼近误差及输入对输出的交叉耦合对跟踪误差的影响衰减到给定的水平。
The process that people get to know the external world was process of trial and error. 人们对外部世界的认识过程是尝试和错误的过程。
A discrete time disturbance observer was presented to suppress the external disturbances, modeling error, and parameter variation, which have effects on the digital preview control. 为了进一步克服外部干扰、模型误差和参数变化对预见控制的影响,提出了一个离散时域扰动观测器。
An observer based on external and internal dynamics is designed, making the error between observing value and factual value to zero. 基于非线性系统线性化后得到外部动态与内模动态,设计一种线性化观测器,使得当摄动参数在有限范围内任意取值时,观测器误差渐近为零。
The vibration characteristics of external plunge grinding and the ground surface profile error are investigated through experiments analysis. 在实验的基础上,对磨削过程振动特征以及由此产生的磨削表面形貌误差进行研究。
Fault tolerant technique is the techniques integration to maintain system work normally, when computer has abnormal behavior because of apparatus degradation, error input, external environment influence, primitive design error and so on. 容错技术是指当计算机由于器件老化、错误输入、外部环境影响及原始设计错误等等因素异常行为时维持系统正常工作的技术总和。
To guarantee the robustness of observers under the external disturbance and the internal system parameter error, the stability theorem is proposed and proved in detail. 为确保观测器对噪声干扰和系统参数不确定误差的鲁棒性,给出了闭环系统在有界噪声干扰和系统参数不确定误差下的稳定性定理,并进行了详尽的证明。
The developed technique uses an additional reference reflector to form dual external cavities between the LD and the target, and reference external cavity is used to compensate the phase error due to optical frequency fluctuation. 该方法用一个附加的参考反射镜在半导体激光器(LD)和目标间形成两重外腔,参考外腔用于补偿光学频率涨落引入的相位误差。
The critical design for the control system of ship-borne electro-optical equipment is how to isolate external disturbance and reduce the dynamic lag error. 在舰船摇摆条件下提高光电跟踪系统对目标动态跟踪精度,其控制系统设计的关键技术是隔离扰动和减小高速跟踪时的动态滞后误差。
The relation among the coaxial diode impedance, the potential distribution in diode gap and the external voltage are also derived, and the relative error is analyzed comparing with the precision numerical evaluation of the 1D analytic model. 给出了同轴二极管阻抗、间隙电压分布与二极管外加电压以及结构参数之间的关系式,并与1维模型精确数值解进行比较分析。
This article introduces the processing method of external spherical surface by applying bevel angle feeding, which can raise the production efficiency and the dimensional accuracy of the external spheroid and also reduce the form error of the external spherical surface. 一种斜角进刀旋风铣削加工外球表面的工艺方法,可以有效地提高生产效率和外球的尺寸精度,降低外球表面的形状误差。
In this paper, however, the solution error and the kalman filter estimation bias are simulated for the given transfer alignment model in the case of external velocity and position detection error. 本文对于给定的传递对准模型,针对主惯导系统信息有速度、位置误差的情况,对惯导系统传递对准误差模型的解算偏差和Kalman滤波器的估计偏差进行了仿真分析。
Phase-shifting interferometry ( PSI) is a highly sensitive method employed for non-contact precision optical testing. However, the external micro-vibrations are often the dominant error sources in phase-shifting interferometers since its sensitivity. 移相干涉术(PSI)是一种高精度、高灵敏度、非接触式光学测试方法,易受环境振动的影响,环境振动是移相干涉仪测量误差的主要来源之一。
The outputs of the model are longitude, latitude and altitude, which can transmit digital data to external computer systems and error models. 仿真模型的输出信号为载体的经度,纬度和高度,可以直接用来显示在外部计算机上或驱动误差修正模型。
The analysis results indicate that the kalman filter estimation bias resulted from external detection error can be neglect in the case of main INS with high accuracy and noise of slave INS is white noise. 结果表明,在主惯导系统精度高、子惯导的噪声为白噪声的情况下,Kalman滤波器仍可以完成运算。
Dead Reckoning ( DeadReckoning, DR) system is a self-positioning technology, do not rely on external signals, but the error is easy to accumulate, will lose positioning effect for too long. 航位推算(DeadReckoning,DR)系统是一种自主定位技术,不依赖外界信号,但是存在误差不断积累的缺陷,时间过长将失去定位效果。
We have conducted the actual test for the microwave detection system, which is divided into the experiment of fixed targets distance and speed moving targets. In addition to some experimental results of each part, the performance of external subsystems and error analysis are also given. 最后,对所设计的微波检测系统进行了实验测试,分为固定目标测距实验和运动目标测速实验两部分,获得了相应的实验结果,并对系统性能和实验误差进行了分析。
Teachers shall not only care subject reasons which may lead to errors in learning, but also pay attention to impact of external environment on learning. The induced error is a kind of error caused by unfavorable learning environment. 教师不能只重视造成学生学习错误的个人原因,还应当重视外部环境对学生学习产生错误的影响。
Iris recognition avoids that other biological characteristics changing more or less because of external conditions leads to error recognizing, so it has incomparable advantage under the environment like mining underground. 以虹膜识别最为合适,虹膜避免了一般生物特征会因为外在条件或多或少产生变化,在矿山、井下等复杂环境中有着无可比拟的优势。
The surface quality includes the state of external layer, surface roughness, geometry error, three-dimensional shape, and so on. 加工表面质量包括零件加工后的表面层状态、表面粗糙度、几何形状误差及表面三维形貌等。