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feedforward controlling
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  前馈控制
     Several adaptive feedback controlling techniques and feedforward controlling techniques in PMD compensation systems are also described in detail.
     比较分析了几种抑制方法,及补偿技术中几种常用的反馈控制方案和前馈控制方案。
短句来源
     After many feedforward controlling compensation experiments, the maximal displacement error is 0 05 μm. The results of the experiments indicated that the way of compensating the displacement error based on the feedforward controlling mathematical models can lower the hysteresis error greatly during machining, therefore the precision of non axisymmetric curved surface can be improved.
     用这些数学模型进行补偿加工实验 ,最大位移误差为 0 .0 5μm,补偿前后的加工精度对比表明 ,采用前馈控制补偿的加工方法能够大大降低加工中的迟滞误差 ,提高非轴对称曲面的加工精度
短句来源
     On the basis of the theory of foresee controlling, by adopting zero phase error tracking control1er, feedforward controlling of the cruise missile, which can well track landform, has been implemented. In this paper gives a designing method of feedforward controller and carries out a system simulation for a flight missile.
     基于预见控制理论,采用零相位误差跟踪控制器,实现巡航导弹的前馈控制,能使导弹飞行良好地跟踪地形,还给出了前馈控制器的设计方法,并对导弹飞行过程作了系统仿真。
短句来源
     Progress of feedforward controlling strategy, feedback controlling strategy, self-adaptive controlling strategy, cooling controlling strategy from the beginning to the end of strip, cooling controlling strategy on the edge of strip, cooling controlling strategy in thickness direction of strip and cooling controlling strategy during accelerated rolling were discussed. Meanwhile, application and effect of these strategies used in a hot strip mill were also introduced.
     阐述了热轧带钢层流冷却常用的7个控制策略,即前馈控制、反馈控制、自适应控制、带钢头尾冷却控制、带钢边部冷却控制和对带钢厚度的适应性冷却控制以及对升速轧制的适应性冷却控制的内容及其发展,同时还简单地介绍了这些控制策略在国内某些热轧板厂的实际应用情况。
短句来源
  “feedforward controlling”译为未确定词的双语例句
     In the thermal conditioning system, semiconductor refrigerant technology are joined with feedback and feedforward controlling modes to condition the temperature exactly.
     恒温部分采用半导体制冷元件 ,结合反馈与前馈的复合控制模式 ,实现制冷温度的精确控制。
短句来源
     In the thermal conditioning system, semiconductor refrigerant technology are joined with feedback and feedforward controlling modes to condition the temperature exactly.
     恒温部分采用半导体制冷元件,结合反馈与前馈的复合控制模式,实现制冷温度的精确控制。
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In order to eliminate the hysteresis error of piezoceramic servo tool during non axisymmetric curved surface turning, three feedforward controlling mathema tical models have been established, i.e. voltage increasing model, peak voltage dropping model and arbitrary point voltage dropping model. After many feedforward controlling compensation experiments, the maximal displacement error is 0 05 μm. The results of the experiments indicated that the way of compensating the displacement error...

In order to eliminate the hysteresis error of piezoceramic servo tool during non axisymmetric curved surface turning, three feedforward controlling mathema tical models have been established, i.e. voltage increasing model, peak voltage dropping model and arbitrary point voltage dropping model. After many feedforward controlling compensation experiments, the maximal displacement error is 0 05 μm. The results of the experiments indicated that the way of compensating the displacement error based on the feedforward controlling mathematical models can lower the hysteresis error greatly during machining, therefore the precision of non axisymmetric curved surface can be improved.

解决非轴对称曲面的车削加工控制中压电陶瓷伺服刀架的滞后问题 ,消除加工中的滞后误差 .在分析压电陶瓷刀具迟滞特点的基础上建立了 3种消除迟滞误差的前馈控制数学模型 ,即 :升压模型、峰值降压模型及任意点降压模型 .用这些数学模型进行补偿加工实验 ,最大位移误差为 0 .0 5μm,补偿前后的加工精度对比表明 ,采用前馈控制补偿的加工方法能够大大降低加工中的迟滞误差 ,提高非轴对称曲面的加工精度

This thesis is on the technology for controlling flow and temperature in an air sampler.in the con- stant flow part of the instrument,flow sensors and PI mode are used to constitute a non- error adjustment sys- tem and achieved the exact control of a little air flow (under 2 0 0 ml/ min) .In the thermal conditioning system, semiconductor refrigerant technology are joined with feedback and feedforward controlling modes to condition the temperature exactly.Also it succeed in applying the method of jointing...

This thesis is on the technology for controlling flow and temperature in an air sampler.in the con- stant flow part of the instrument,flow sensors and PI mode are used to constitute a non- error adjustment sys- tem and achieved the exact control of a little air flow (under 2 0 0 ml/ min) .In the thermal conditioning system, semiconductor refrigerant technology are joined with feedback and feedforward controlling modes to condition the temperature exactly.Also it succeed in applying the method of jointing pulse width chip with PTC material in this system.

本文阐述了恒温恒流连续大气采样器的流量与温度控制 :恒流和恒温部分的理论与实践 :恒流部分采用流量传感器和 PI控制模式 ,组成无差调节系统 ,实现了 2 0 0 ml/ min小流量气体的精确控制 ;恒温部分采用半导体制冷元件 ,结合反馈与前馈的复合控制模式 ,实现制冷温度的精确控制。脉冲宽度调制芯片与新型 PTC材料组合的方案 ,在本项目中得到了成功的应用

On the basis of the theory of foresee controlling, by adopting zero phase error tracking control1er, feedforward controlling of the cruise missile, which can well track landform, has been implemented. In this paper gives a designing method of feedforward controller and carries out a system simulation for a flight missile.

基于预见控制理论,采用零相位误差跟踪控制器,实现巡航导弹的前馈控制,能使导弹飞行良好地跟踪地形,还给出了前馈控制器的设计方法,并对导弹飞行过程作了系统仿真。

 
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