串级系统

The present paper elaborated a fluid position —current capacity cascade control system design method and the step, introduced its parameter set method.

本论文论述了一个液位——流量串级控制系统的设计方法和步骤，介绍了它的参数整定方法。

So, the paper brings out a feed forward cascade PID control method in order to optimize control process according to technological flow and control theory. It promotes the system stability and decreases the cost of the water process.

通过分析处理工艺流程及生产控制原理提出了前馈串级控制的控制方法，利用该控制方法对控制过程优化，提高了系统适应能力，降低了污水处理加药费用，同时保证了回注油田污水的质量。

This paper discusses a liquid- flow cascade control system design methods and procedures, introduced its parameters tuning method.

详细说明：本论文论述了一个液位——流量串级控制系统的设计方法和步骤，介绍了它的参数整定方法。

These main jobs completed are included:The cascade feedforward-feedback control system of the once-through stream generator is advised.

本文完成的主要工作有：设计直流蒸汽发生器的串级前馈—反馈控制系统。

In the temperature control of roast furnace, those who use is to string together class to change ratio controls a system.

在焙烧炉的温度控制中，采用的是串级变比值控制系统。

In summary, concatenation control system is one effective means to realize high control ability in series-wound asynchronous motors.

综合所述，利用串级调速系统，就是使绕线式异步电动机实现高性能调速的有效办法。

In summary, concatenation control system is one effective means torealize high control ability in series-wound asynchronous motors.

综合所述，利用串级调速系统，就是使绕线式异步电动机实现高性能调速的有效办法。

Municipal waste CFB incinerator is usually faced with problems such as furnace heat load fluctuation in large scope and low regulation resolution of main control feed－water valve,a 3－element fuzzy control system is used to modulate PID control parameters in an on－line way.

摘 要：针对循环流化床生活垃圾焚烧锅炉热负荷波动较大，给水调节阀调节特性差的状况，专门设计的锅炉汽包水位模糊三冲量串级自动控制系统，采用调节参数模糊智能自调整，主副回路采用异步控制方式，调节阀的调节特性进行线性化处理等策略。

The interharmonic sources in power system are analyzed,such as converter equipment,fluctuating load,ferro-resonance,synchronous regulator cascade and induction motor. Its harms are expounded,including waveform distortion,light flicker and influences on measuring instrument,motor and power factor.

分析了电力系统中各种间谐波源，包括变频装置、波动负荷、铁磁谐振、同步串级调速装置及感应电动机，阐述了间谐波的各种危害，如波形畸变、灯光闪烁及对测量仪表、电动机、功率因数的影响。

Main steam pressure ; radiation signal ; cascade control system ; internal model control ; step response

主汽压力；辐射能信号；串级控制系统；内模控制；阶跃响应

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。