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relay experiment
相关语句
  继电实验
     Based on modified relay identification Smith predictor controller is to obtain the critical point information of the process through saturation relay experiment, So essential improving precision model identification, and combining Smith predictive controller to overcome the case that a larger dead time process can't be effectively controlled for PID controller.
     改进的继电辨识的Smith预估控制算法是基于饱和继电实验获取高精度的过程临界点信息,从而本质上提高模型辨识精度,并和Smith预估控制相结合克服了PID控制器不能对大时滞对象进行有效控制的情况。
短句来源
     Based on twice modified relay identification and multi-point frequency characteristics PID parameter auto-tuning method is to identify special point information through modifying relay experiment, then design PID controller so as to satisfy phase margin and gain margin given or desirable closed-loop characteristics, the ideal control performance is obtained for a number of special process and more difficult control process.
     两种改进的继电辨识的自整定PID控制算法和多点频率特性辨识的自整定PID控制算法都是基于对继电实验进行改进后去辨识过程特定点的信息,然后设计满足给定幅相裕度或满足期望系统闭环特性的PID控制器,对于一些特殊的过程对象和较难控制过程对象获得了理想的控制效果。
短句来源
  “relay experiment”译为未确定词的双语例句
     During the relay experiment,the trip logic order must be checked. But the experimentation on hand cannot accomplish the work.
     在继电保护调试中会遇到对多时限对多开关的保护跳闸逻辑进行检验的工作,现有的调试装置无法监测保护跳闸的顺序。
短句来源
  相似匹配句对
     Experiment:
     实验方面
短句来源
     experiment:
     二、维生素E干预实验研究结果显示:
短句来源
     The Reform Attempt at the Experiment Teaching of Relay Protection
     继电保护课程实验教学环节的改革尝试
短句来源
     Research on Configurable Multi-Function Experiment Relay
     自组合多功能继电器模拟实验装置研究
短句来源
     Universal Relay
     万用继电器
短句来源
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  relay experiment
Strategies suitable for simple embedded systems to address these flaws using a second relay experiment are introduced in section 4.
      
Section 3 highlights the draw backs of auto-tuning derived from a single relay experiment.
      
However for some plants the simple relay experiment can deliver misleading results.
      
First estimates for the time constant and deadtime can be extracted from a single relay experiment.
      


In order to utilize the land resources more economically and to obtain the higher gains per unit area, a grain-vegetable inter-relay experiment was carried on under high-yielding condition. A wheat || garlic (spring cabbage)/corn || climbing bean (cucumber or cauliflower) model was designed with 5 kinds of strip types whose width were 1. 5 m, 2. 0 m, 2. 5 m, 3. 0 m, and 3. 5m respectively. Each of the strips was subdivided into sub-strip, a narrower and a broader one. The narrower sub-strip was always...

In order to utilize the land resources more economically and to obtain the higher gains per unit area, a grain-vegetable inter-relay experiment was carried on under high-yielding condition. A wheat || garlic (spring cabbage)/corn || climbing bean (cucumber or cauliflower) model was designed with 5 kinds of strip types whose width were 1. 5 m, 2. 0 m, 2. 5 m, 3. 0 m, and 3. 5m respectively. Each of the strips was subdivided into sub-strip, a narrower and a broader one. The narrower sub-strip was always 0. 7 m in width, whereas the width of the broader sub-strips were 0. 8m, 1.3m, 1.8m, 2. 3m and 2.8m respectively. Wheat and winter-spring vegetables were planted in autumn, on the broader and narrower substrips, respectively. After the winter-spring vegetable was harvested, 2 rows of corn were planting on the narrower sub-strips, intercropping with wheat. When wheat was harvested, the broader sub-strips were relayed with autumn vegetable. Thus, a grain-vegetable inter-relay cropping system was established , with wheat-corn relay and single cropping of vegetable as checks. The main results were as follows; (1) The yield of wheat increased as the strip became broader; strip-width of 2 or more meter could guarantee a bumper harvest. (2) The yield of corn decreased as the strip became broader; strip-width no more than 2. 5 m could bring along good harvest. (3) The yield of winter-spring vegetable decreased sharply when the strip-width became broader, although the yield of single plant did not change very much. The main reason of the decreased yield of the winter-spring vegetables on narrower strip, than the check, was the decreased area. (4) The yield of the intercropped autumn vegetable increased as the sub-strip became broader, but it was lower than that of the check. The decrease of the inter-cropped autumn vegetables than the check depends on the types of vegetable. It was less serious with climbing bean and cucumber, because they suffered less by shading from corn, it was more serious with cauliflower, because it is short and suffered more by shading. (5) The merit or drawback of a particular strip type are both relative and absolute considering optimum yield of the grains and vegetable crops, in order to regulate the relationship between and within species, and to utilize fully the land resources, it is suggested that strip width 2. 0 m and 2. 5 m should be the best choice; 1. 5 m and 3. 0 m rank second; and 3.5m the worst.

本研究在高产田条件下,针对小麦‖大蒜(春甘蓝)/玉米‖蔓生菜豆(黄瓜或花椰菜)模式,设计1.5m、2.0m、2.5m、3.0m及3.5m五种带宽,采用大小畦播种,小畦宽均为0.7m,大畦宽分别为0.8m、1.3m、1.8m、2.3m及2.8m.小麦种植在大畦上,冬春菜与小麦间作种植在0.7m的小畦上.0.7m小畦上的冬春菜收获后,套种两行玉米,小麦收获后,在原小麦畦上种植秋菜(架菜豆、架黄瓜或花椰菜),与玉米形成间作.以小麦一玉米和相应单作蔬菜作对照.试验的主要结果是:(1)小麦随带型由窄变宽产量提高.带宽2.0m以上,小麦产量即可得到保证.(2)随带型由窄变宽,玉米产量逐渐下降.带宽在2.5m以下时,既有利于发挥玉米随宽行距加宽而单株产量提高的补偿效应,又能保证玉米有一定的占地面积,利于保证玉米产量.(3)随带型由窄变宽,间作冬春菜的产量下降.带型之间间作冬春菜的单株产量差异较小,产量高低,主要取决于占地面积.间作冬春菜产量较单作对照显著减产,是占地面积少和单株产量下降双重作用的结果.(4)间作秋菜随带型由窄变宽产量提高.间作秋菜产量低于单作.对空间生态位较高的架菜豆、架黄瓜而言,间作较单作减产,主要是占地...

本研究在高产田条件下,针对小麦‖大蒜(春甘蓝)/玉米‖蔓生菜豆(黄瓜或花椰菜)模式,设计1.5m、2.0m、2.5m、3.0m及3.5m五种带宽,采用大小畦播种,小畦宽均为0.7m,大畦宽分别为0.8m、1.3m、1.8m、2.3m及2.8m.小麦种植在大畦上,冬春菜与小麦间作种植在0.7m的小畦上.0.7m小畦上的冬春菜收获后,套种两行玉米,小麦收获后,在原小麦畦上种植秋菜(架菜豆、架黄瓜或花椰菜),与玉米形成间作.以小麦一玉米和相应单作蔬菜作对照.试验的主要结果是:(1)小麦随带型由窄变宽产量提高.带宽2.0m以上,小麦产量即可得到保证.(2)随带型由窄变宽,玉米产量逐渐下降.带宽在2.5m以下时,既有利于发挥玉米随宽行距加宽而单株产量提高的补偿效应,又能保证玉米有一定的占地面积,利于保证玉米产量.(3)随带型由窄变宽,间作冬春菜的产量下降.带型之间间作冬春菜的单株产量差异较小,产量高低,主要取决于占地面积.间作冬春菜产量较单作对照显著减产,是占地面积少和单株产量下降双重作用的结果.(4)间作秋菜随带型由窄变宽产量提高.间作秋菜产量低于单作.对空间生态位较高的架菜豆、架黄瓜而言,间作较单作减产,主要是占地面积少所致,间作的单株产量较单作不低或提高;而对空间生态位较低的花椰菜而言,间作产量较单作低,是由占地面积少和单株产?

One approach for the design of decentralized PID controllers for two-input two-output systems is applied to the control of a multi-product ethanol-water,pilot-plant distillation column.A simple-structured and satisfying control system was obtained.By means of a convergent algorithm,the Desired Critical Point(DCP) could be identified through a series of relay experiments,and parameters for decentralized PID controllers are calculated according to the Tyreus-Luyben tuning rule.Satisfying performance of the...

One approach for the design of decentralized PID controllers for two-input two-output systems is applied to the control of a multi-product ethanol-water,pilot-plant distillation column.A simple-structured and satisfying control system was obtained.By means of a convergent algorithm,the Desired Critical Point(DCP) could be identified through a series of relay experiments,and parameters for decentralized PID controllers are calculated according to the Tyreus-Luyben tuning rule.Satisfying performance of the control system is fully illustrated by simulation.

结合一种双输入双输出 (TITO)分散PID控制器的设计方法 ,并将其应用于乙醇—水的蒸馏分离过程控制中。该法根据相应的收敛性算法 ,通过一系列继电闭环实验辨识预期临界点 (DCP) ,利用T L整定公式获取分散PID控制器参数。通过仿真对比试验 ,表明所设计的控制系统具有满意的动态性能

Inhibitory effects of the biological control bacterium-BMY-1 on 11 species of fungus pathogens,such as Botrytis cinerea,Phytophthora capsici,Bipolaria maydis,Curvularia lunata,were measured by plate cultivation and filter paper cultivation.Results showed that BMY-1 had significant inhibitory effects.In plate relay experiments.In plate cultivation experiments,the inhibitory strips of Botrytis cinerea,Curvularia lunata,Bipolaria maydis were 15.0 mm,14.0 mm,13.0 mm respectively in breadth.In filter...

Inhibitory effects of the biological control bacterium-BMY-1 on 11 species of fungus pathogens,such as Botrytis cinerea,Phytophthora capsici,Bipolaria maydis,Curvularia lunata,were measured by plate cultivation and filter paper cultivation.Results showed that BMY-1 had significant inhibitory effects.In plate relay experiments.In plate cultivation experiments,the inhibitory strips of Botrytis cinerea,Curvularia lunata,Bipolaria maydis were 15.0 mm,14.0 mm,13.0 mm respectively in breadth.In filter paper experiments,the inhibitory strips of Botrytis cinerea were 8.0 mm in breadth in filter paper cultivation experiments.BMY-1 solution and its sterile ferment liquid showed effective inhibition on the development of spore germination,effectiveness on Phytophthora capsici,Bipolaria maydis was better than on others.The spore germination rates of Phytophthora capsici,Bipolaria maydis were 0.97%,1.00% respectively after treated by BMY-1 solutions,while that of CK was 96.29%,93.04% respectively.

采用平板对峙培养法和滤纸片培养法测定细菌BMY-1菌株对番茄灰霉病菌(Botrytis cinerea)、辣椒疫霉病菌(Phytophthora capsici)、玉米小斑病菌(Bipolaria maydis)、玉米弯孢霉叶斑病菌(Curvularia lunata)等11种植物病原真菌生长的抑制作用。结果表明,BMY-1菌株对供试病原菌生长具有很好的抑制效果。平板对峙培养法中,BMY-1菌株对番茄灰霉病菌、玉米弯孢霉叶斑病菌、玉米小斑病菌的抑制效果最好,抑菌宽度分别达到15.0 mm,14.0 mm,13.0mm。滤纸片培养法中,BMY-1菌液对番茄灰霉病菌抑制效果最好,抑菌带宽度为8.0 mm。BMY-1菌液及其无菌发酵液对病原菌孢子萌发也有很强的抑制作用。其中对辣椒疫霉病菌和玉米小斑病菌孢子萌发的抑制效果最好。BMY-1菌液处理后,孢子萌发率分别为0.97%和1.00%,而对照萌发率为分别为96!29%和93.04%。

 
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