提出了一种多变量统计质量控制方法来减小由于过程扰动引起的产品质量变化。
A multivariable statistical quality control method was presented to decrease the variance in product quality by the influence of process disturbance.
首先介绍了造纸工业生产过程特点,包括造纸过程扰动作用(干扰)、造纸生产过程特性、造纸生产过程的特殊要求。
Firstly, it discussed the characteristic of the paper making, including: process of disturbing, the peculiarities of the paper making process, the special request of the paper making process.
结论STD总线工业控制机对复杂的生产过程,特别是扰动大的生产过程,具有很强的适用性,可大大提高控制效果。
Aiming at the complicated process control especially in the great disturbing producing course, STD bus industry control machine which has strong application can improve the control effect.
针对机动目标存在的姿态扰动,研究了具有加速度和旋转运动的机动目标成像模型及其信号处理过程。
The dissertation demonstrates the maneuvering target imaging model with acceleration and rotating motion and its signal processing to solve attitude perturbation of the targets.
雾化过程比汽化过程对扰动更为敏感。
The atomization process is more sensitive to disturbance than vaporization.
核心能力战略的实施与运作过程中因为各种因素的扰动,难免发生偏差。
Because of the dist ur bance of all kinds of factors, there is always some deviation during the implementation and operation process of core competence strategy.
一般来说,焊接过程的稳定性就是要求在焊接设备参数扰动的情况下,保证焊接质量的稳定。
Generally speaking, the stability of welding process requires the stability of welding quality under the circumstances of parameter disturbance by welding equipments.
在隧道设计、施工或使用过程中任何有害扰动都会造成隧道防排水体系的缺陷,从而引起隧道渗水。
Any harmful disturbance in the tunnel design, the process of construction or use, all would lead to defects in the tunnel waterproofing and drainage system, causing the tunnel seepage.
结论急性脑卒中患者综合扰动系数呈现先低后高的动态变化,反映了水肿形成过程。
Conclusions the comprehensive disturbance coefficient takes on dynamical changes in acute cerebral stroke and reflects the course of edema formation.
甚低频(VLF)电波传播过程中因环境因素影响会使信号产生衰减与扰动,导致潜艇收信可靠性下降。
The signal will have attenuation and disturbance due to environmental factors in the process of VLF radio wave propagation, which will impact the reliability of submarine communication.
考虑一维退化扩散过程的小扰动。
The small perturbations of one dimensional degenerate diffusion processes is considered.
通过一次江淮流域暴雨天气过程的分析,发现在对流层低层存在一种中间尺度扰动。
Using the analyses of weather process of an heavy rainfall system, it is found that there is a mesoscale disturbance in the lower troposphere over Yangzi-Hwai valley.
核心能力战略的实施与运作过程中因为各种因素的扰动,难免发生偏差。
Because of the disturbance by all kinds of factors, there is always some deviation during the implementation and performance process of the core competence strategy.
一方面在新的粒子种群产生过程中引入扰动变量,使粒子群在遵守秩序和随机行为之间达到平衡;
On the one hand, through leading perturbation variables into the generation process of particle population, a balance is reached between the order and random behaviors.
经过DCS与变频控制技术的结合应用与研究,实现了生产过程控制中调频电机与调节阀的无扰动切换。
Integrating application and research technology of DCS and frequency inverter, realize switchover without interference between control valve and frequency-inverter motor in producing process control.
其参数是通过在系统扰动过程中的发电机电压、电流和转子角等数据而得到的。
The parameters are calculated from the data of small perturbations of the generator voltage, current and rotor angle during system disturbances.
从而,用小偏差的线性数学模型,进行适当修改后,可以用来求取非线性系统在大扰动下的过渡过程。
Consequently, with some modifications, a linear model can be used to calculate the transients of the nonlinear systems under large perturbations.
根据表面扩散控制下物质迁移规律,建立有限单元法,对裂面形貌扰动下二维微裂纹演变过程进行数值模拟。
Based on the theory of surface diffusion, a finite element method was developed to simulate shape evolutions of two-dimensional microcracks with surface perturbation.
轧钢过程中的负荷扰动容易激起机电振动,这严重影响板带材的产量和质量。
The output and quality of metal plate and strip are heavily affected by electromechanical vibration in rolling process.
分析了空中加油对接过程中受油机受到的各种扰动,阐述了插头锥管加油方式受油机的纵向飞行控制原理。
The disturbances acting on the receiver aircraft in the docking phase of an aerial refueling are analyzed and the truth of longitudinal flight control of the receiver is introduced.
多而大的涡流区延迟了扰动的混合过程。
Numerous and extensive eddy cavities retard the turbulent mixing process.
本文在对水泥土桩成桩过程分析的基础上,提出了成桩扰动引起的桩周土体中孔隙水压力的计算公式。
This paper presents a formula for evaluating the initial pore pressure generated during the formation of cement-clay pile and describes an analytic method to calculate the pore pressure in ground.
该控制器能够实现设定值跟踪与扰动抑制过程解耦,同时在对象模型失配情况下,系统具有较强的鲁棒稳定性。
This controller decouples the processes of tracking and disturbance restraining. The close-loop system is robust to the model uncertainties.
该算法的思想是采用混沌初始化进行改善个体质量和利用混沌扰动避免搜索过程陷入局部极值。
The basic principle of CPSO algorithm is that chaos initialization is adopted to improve individual quality and chaos perturbation is utilized to avoid the search being trapped in local optimum.
本文分析了轮式移动机器人在运行过程中由于动力学不确定性引起的力矩扰动,并提出了一种基于传感器的移动机器人控制方法。
This paper analyzes the torque disturbance of the wheeled mobile robot due to dynamic uncertainties during motion and presents a sensor based control method for the mobile robot.
在寻优过程中,通过不断衰减混沌扰动幅度及混沌扰动的接受概率来实现混沌的模拟退火。
During the process of optimization, chaos simulated annealing was realized by decaying the amplitude of the chaos noise and the probability of accepting continuously.
由于基坑开挖过程中土体结构受到扰动,导致土体强度降低。
Disturbance of soil structure leads to the falling of soil strength.
这种施工过程中土体受到的原位施工扰动有别于现场取土、应力释放等引起的试样扰动;
The field disturbance during construction, such as the installing of vertical drain, was distinct from the sample disturbance.
其原因是带电粒子注入油介质过程中所产生的扰动使油间隙中不能积累空间电荷。
This is because photoelectrons injected into oil-gap from HV electrode could not be accumulated.
其原因是带电粒子注入油介质过程中所产生的扰动使油间隙中不能积累空间电荷。
This is because photoelectrons injected into oil-gap from HV electrode could not be accumulated.
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