过程控制

Based on mechanism and vehicle theories theoretical analysis is pursued and normal driving conditions are put forward. The relations are analyzed between load distribution and power consumption. Mechanical formula is proposed. Furthermore in this paper the theoretical model of the total power consumption is established, and the relations of the total minimized power consumption with the air-cushion pressure and the fan revolution are discussed. The optimum operation point is put forward. The dynamic digital simulation studies are carried out on the operating procedure of the half-track air-cushion vehicle on soft terrain. Mechanical parameters and soil mechanics characteristics affecting vehicle power consumption and riding performance are analyzed. At the same time according to the model formula, the automation control problem is discussed. It is a theoretical instruction for further automation control.

本文还从力学和车辆原理的角度进行了理论分析，推导了半履带式气垫车的需求功率及正常行驶条件，研究了气垫压力和功率消耗之间的关系，提出了力学模型公式；建立了半履带式气垫车总功率消耗的理论模型，研究了最小功率消耗时功率与垫压及表征气垫车行驶状态的各参数的关系，分析了相应的影响因素，并提出了最佳工作状态的定义；同时进行了半履带式气垫车在软地面的行驶过程的动态数字仿真试验研究工作，对影响车辆功率消耗和行驶平顺性的各力学参数和土壤参数进行了分析，得到了各运行状态参数的变化规律，验证了最佳工作状态和最佳垫压的理论，根据力学模型公式对进一步的自动控制问题进行了探讨，为系统的控制提供了理论指导。

Several control methods were discussed and amplitude and phase separate modulation was presented.

数字化是控制领域发展的趋势，在具体实现能量回馈系统的过程中，本文也充分运用数字式控制方式。

Because of the non-linearity, time- variability, multi-parameter, intense coupling of the heating process and especially, the random interfere and anfractuosity of process, precision mathematics model is difficult to be established. The routine PID algorithm can not meet the requirement of control.

高岭土回转窑的加热过程中存在非线性、时变性、多参数强烈耦合这些问题，且随机干扰以及过程机理错综复杂，难以建立被控对象的精确数学模型，采用常规的PID算法很难达到控制要求。

Before target-entering into a horizontal well or in the process of drilling horizontal section,to confirm the controlling range of deviation angle and azimuth of hole section is not only an important measure to guarantee target rate and trajectory control accuracy of the horizontal well but also one of the important contents in trajectory supervision of the horizontal well.

在水平井入靶前或水平段钻井过程中，确定待钻井段井斜角和方位角的控制范围是保证水平井中靶和轨迹控制精度的关键，也是水平井井眼轨迹监控的一项重要内容。

Before targetentering into a horizontal well or in the process of drilling horizontal section, to confirm the controlling range of deviation angle and azimuth of hole section is not only an important measure to guarantee target rate and trajectory control accuracy of the horizontal well but also one of the important contents in trajectory supervision of the horizontal well.

在水平井入靶前或水平段钻井过程中，确定待钻井段井斜角和方位角的控制范围是保证水平井中靶和轨迹控制精度的关键，也是水平井井眼轨迹监控的一项重要内容。

During the tour, my host kept saying that all the anti-pollution equipment was run by computers and he wanted me to meet the guy who was running them.

在参观过程中，工厂主不停地说所有防污染的设备都由电脑控制，他希望我见一见控制电脑的人。

Fuzzy control is an apery technology which is independent of mathematic model .

模糊控制是一种不依赖于被控过程数学模型的仿人思维的控制技术。

In the application of CNN to synchronous generator modeling, the training process convergence of network learning is difficult to control.

在应用混沌神经网络进行同步发电机的建模过程中，对于CNN的学习，网络训练过程的收敛性很难控制。

The control system combined the PROFIBUS and intranet was built, the intelligent control and share of its information in aquiculture process were realized with this system.

PROFIBUS和Intranet技术相结合的水产养殖过程监控系统，实现了水产养殖过程的智能控制和信息共享。

The problem of arc light disturbing the image of weld pool was effectively solved with composed filter technology.

本文将智能控制理论与实际焊接过程相结合，从弧焊过程的传感系统、数字图。。。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。