静态偏差

减压阀静态偏差和稳定性的控制

Static deviation and stability control of a pressure reducer

鉴于前馈控制能够对扰动直接进行控制，相比反馈控制，对抑制由于扰动引起的动、静态偏差比较快速有效。

Compared with feedback control , it is fast and effective to restrain dynamic and static deviation .

中小水泥厂生料制备的一种静态偏差补偿控制算法

Static Bias Compensation Control Algorism Used for Preparation of Raw Material in Small and Middle Scale Cement Plants

结果表明：系统达到了解耦目的，系统能做到稳定性高，鲁棒性强，调节及时，反应速度快，动态偏差小，无静态偏差。

Results show that decoupling is possible and that the system can achieve high stability , strong robustness , with opportune regulation , rapid response , slight dynamic deviations and without steady state divergence .

端面粗糙度及静环静态角偏差对低速干气密封稳态特性的影响

Influence of Face Roughness and Static Stator Angular Misalignment on Steady-state Behavior of Low Speed Dry Gas Seal

建立了考虑低速干气密封端面各向同性粗糙度和静环静态角偏差的理论模型。

A theory model considering the isotropy roughness and static stator angular misalignment of dry gas seal was given .

动态分析表明，过大的静环静态角偏差和负锥度会使气膜阻尼系数出现负值，从而使微扰运动不断扩散。

The large static stator misalignment angles and negative coning can induce negative gas damping coefficients which cause the motion divergent .

预测控制系统稳定时，对阶跃型给定值及干扰静态无偏差。

When the predictive control system is stable , the steady state error is zero to both the step input and the step disturbance .

分析结果表明，摩擦力和流体稳态力对减压阀的静态特性偏差有着不同程度的影响，因此在设计过程中应该考虑摩擦力、流体稳态力对减压阀静态特性的影响。

Calculation results accord with experiment results , it indicates that frictional and fluid dynamic forces have some influence on the static characteristic deviation of PRV . Special attention should be paid on frictional and fluid dynamic forces during the design process .

实验结果表明，模糊PID控制比常规PID控制在动静态特性方面均有较大改善。其中，超调量从29.8%下降到11.1%，静态偏差从11.4%下降到4.3%。

The experimental results show that dynamic characteristics and static characteristics of control system are observably improved , and the overshoot is reduced from 29.8 % to 11.1 % , static characteristic derivation declined from 11.4 % to 4.3 % .

在施工、运营、维护过程中接触网静态几何参数常常出现偏离原始设计参数的情况，这种偏离的程度即为接触网静态几何参数偏差。

During construction , operation and maintenance , static geometric parameters are usually different from the original design , and the deviation can be referred as OCS static geometric parameter deviation .

通过对混合型温控阀的静态特性分析和计算，表明该温控阀在一定条件下，于较大输入温度范围内，其静态偏差较小。

By means of analysis and calculation on static characteristic for mixed type temperature control valve , denoted that ; Under a certain condition and within a larger input temperature range , the deviation of that temperature control valve was less .