控制

The existing control strategies of the fresh food compartment/freezer compartment prior based on the temperature control of the two-circuit cycle refrigerator-freezers with parallel evaporators were analyzed.

分析了现有蒸发器并联双循环冰箱采用基于温度的冷藏室优先的控制策略，提出了基于温度与分时运行联合控制的控制策略，并对该控制策略进行了理论分析。

There are keyboard and liquid crystal to demonstrate window on the frequency converter's control of face, but it can only realize manual operation, for realize the automatic control so we introduce SCM technology, as the result, between MCU and the frequency changer data communication can enhance the control ability and area of the frequency changer.

随着变频调速技术的发展，变频器调速已成为交流调速的主流，在化纤、纺织、钢铁、机械、造纸等行业得到广泛的应用。变频器控制面板上配有键盘及液晶显示窗口，但只能实现手工操作，为了进行自动化控制，因此引进单片机技术，实现单片机与变频器之间的数据通信，提高变频器的控制能力和控制范围。

The influence of backlash and friction was compensated based on RBF neural network variable structure compound contr...

结果表明，RBF神经网络变结构控制降低了增益固定变结构控制的抖振现象，控制精度优于PID控制。

A phase controlling device of reduced cost, a fuser (200) controlling device including the phase controlling device, and a phase controlling method.

一种降低成本的相位控制装置、包括该相位控制装置的定影器控制装置、以及相位控制方法。

This paper mainly consists of three parts:(1) Based on the Reddy's higher-order shear deformation plate theory and general von Kármán-type equations, put forward the governing equations of pre- and post-buckled vibration of several hybrid FGM plate forms which have not been studied adequately, triumphantly applying the perturbation technique combined with Galerkin method into equations solving, and get the comparatively simple result forms with complicated deduction at last;(2) As a new type of materials, piezoelectric fiber reinforced composite actuators were applied to optimal vibration control, interrelated informatons be depicted in this paper;(3) During the investigative cource, some factors not been considered adequently in other researches were discussed fully in the postbuckled vibration analysis, such as the temperature-dependent material coefficients, heat conduction and nonlinear vibration characteristic etc.

本文的研究工作主要包括：(1)基于Reddy高阶剪切变形板理论和广义Kármán型方程，给出了几类现有研究成果较少或没有彻底解决的FGM混合板结构的屈曲前和屈曲后振动特性研究的控制方程，成功将摄动-Galerkin混合法应用于求解过程，并给出了各控制方程相对直观且易于计算的解析解形式；(2)单向压电纤维增强复合材料(Piezoelectric Fiber Reinforced Composite，简称PFRC)是一种新型压电材料，本文将其应用到了结构振动控制研究当中，发现通过压电纤维体积含量的选择可以实现混合板结构的优化振动控制；(3)围绕几种有代表性的FGM混合板结构，讨论其屈曲后的振动特性，在分析中同时考虑热传导，材料物性参数的温度相关性，以及机/热/电荷载耦合效应对非线性振动特性的影响，最后给出了大量数值计算结果。

Industrial Automation Systems Division, including water pumping station frequency control system, constant pressure water supply control system, water treatment divisions and computer automatic control and information management systems; power plant coal feeder, give powder machines, pumps and fans, etc. The frequency control system, auxiliary power plant control system (including the coal handling, water and ash of the computer control system, etc.); metallurgical steel industry blast furnaces, converter gas Gasholder automatic monitoring systems, as well as petrochemical automatic monitoring systems.

工业自动控制系统包括水司的泵房变频控制系统、供水恒压控制系统、水司和水处理的计算机自动监控和信息化管理系统；电厂给煤机、给粉机、水泵和风机等的变频控制系统、电厂辅助车间程控系统（包括输煤、化水和出灰计算机程控系统等）；冶金钢铁行业的高炉、转炉煤气气柜自动监控系统以及石化的自动监控系统等。

Metallurgical steel industry blast furnaces, converter gas Gasholder automatic monitoring systems, as well as petrochemical automatic monitoring systems.

工业自动控制系统包括水司的泵房变频控制系统、供水恒压控制系统、水司和水处理的计算机自动监控和信息化管理系统；电厂给煤机、给粉机、水泵和风机等的变频控制系统、电厂辅助车间程控系统（包括输煤、化水和出灰计算机程控系统等）；冶金钢铁行业的高炉、转炉煤气气柜自动监控系统以及石化的自动监控系统等。

In order to meet the discharge norm of the contamination concentration limit, zone generalized predictive control is adopted which transforms the conventional quadratic objective of the MPC into a linear programming with soft constraints; besides, considering the wastewater treatment plants energy-saving targets, a multi-objective predictive control is formulated and finally hierarchical multi-objective optimization algorithm is applied for on-line optimization solution.

根据污水处理过程的实际要求，为了满足氮浓度的排放标准区间要求，研究了污水处理过程的区间广义预测控制策略，把预测控制的常规二次目标转化为带软约束问题的线性优化问题；同时考虑到污水处理的能耗，在出水水质目标之上建立了能耗最小目标，得到了污水处理的多目标预测控制，最后采用分层多目标优化算法进行在线优化求解，得到污水处理过程的多目标预测控制。

By analyzing the bode diagram of HAPF system and minimizing the capacity of HAPF, the paper presents a frequency dividing control method based on fuzzy-PI. In this mean generalized integrator is used for frequency dividing integral and fuzzy arithmetic is for adjusting PI coefficients timely. Compare with other kinds of control methods, the proposed one is more simple and easier realization.

该文由常用的并联型HAPF的结构特点分析出发，从容量和幅频特性2个方面探讨HAPF控制中进行有效分频的必要性，根据HAPF对控制方法的要求，文章提出一种基于广义积分的模糊自整定PI控制方法，即通过广义积分实施对周期量的分频积分，同时由模糊算法进行比例和积分系数的在线调整，从而有效实现对HAPF的分频控制。

The topologies and operating principles of power supply and control system are introduced. Based on the continuous hereinbefore two-year operations of control system, control system characteristics are analyzed and control system saving investment/energy/resource specific effects are researched.

论文介绍了供电系统和控制系统的拓扑结构和工作原理，以控制系统连续运行两年多的实际状况为基础，分析了控制系统的特点，研究了采用该控制系统所带来的节约投资、节约能源资源的具体效果。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。