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杂交控制     
相关语句
  hybrid control
     The Hybrid Control of Vibration of Thin Plate with Active Constrained Damping Layer
     具有主动约束层阻尼板的振动杂交控制
短句来源
     This paper concerns in the active and passive hybrid control of vibration of the thin plate with Local Active Constrained damping Layer(LACL). The governing equations of system are formulated based on the constitutive equations of elastic, viscoelastic, piezoelectric materials. Galerkin method and GHM method are employed to transform partial differential equations into ordinary ones with a lower dimension.
     本文研究了局部附加主动约束阻尼层(LACL)板的主、被动杂交控制问题·基于弹性、粘弹性、压电材料的本构关系,建立了系统的控制方程·利用Galerkin方法和GHM方法将偏微分方程转换为维数不高的常微分方程组,应用LQR方法进行了数值模拟·计算结果表明,这种主动和被动结合的杂交控制方式具有良好的控制效果·
短句来源
     Combinations of the above two systems, known as the hybrid control system, have also been investigated to some extent.
     同时使用上述两种控制系统构成杂交控制
短句来源
     It is shown that the reduction performance of the hybrid control system presented herein is more remarkable than that of the active control system or the passive control system alone.
     计算表明 ,杂交控制比单独采用被动控制或主动控制有更好的减震效果
短句来源
  vibration hybrid control
     Vibration Hybrid Control of Plate with Controllable Constrained Damping Layer
     可控约束阻尼层板的杂交控制
短句来源
  controlled cross
     Self pollination, in general, produces lower percentages of seeds than controlled cross pollination.
     与自然传粉和杂交控制传粉相比,自花传粉常常导致较低的结实率。
短句来源
  “杂交控制”译为未确定词的双语例句
     The experiment results indicated that characteristic variance was pr-imarily controled by cross for progenies of combinition in cross with γ-ray treatment,even though progenies of combinition in cross with γ-rayinduction had more extreme type and wider variance.
     结果表明:杂交与辐射相结合使用时,后代性状变异主要受杂交控制,比单独杂交的后代有较多的极端类型,因而变异辐度较大。
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  hybrid control
Such an identifier and a multiprogrammed hybrid control are designed in the form of nonlinear feedback.
      
Hybrid control systems and the dynamic traveling salesman problem
      
Such a system not only plays an important role in the development of hybrid control theory, but also finds many applications in practical control designs for obtaining better control performances.
      
Vision-based hybrid control scheme for autonomous parking of a mobile robot
      
Hierarchical hybrid control network design based on LON and master-slave RS-422/485 protocol
      
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  controlled cross
Using a novel trial design, we prospectively examined the effect of intravenous immunoglobulin in seven patients with chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) in a doubleblind, placebo-controlled cross-over study.
      
A controlled cross-over study of ?22 s-IBM patients over 3 months showed a partial improvement in those treated with high-dose intravenous immunoglobulin therapy (IVIG) versus placebo.
      
Gabapentin reduces chronic benign nociceptive pain: a double-blind, placebo-controlled cross-over study
      
Does intravenous lidocaine reduce fibromyalgia pain: A randomized, double-blind, placebo controlled cross-over study
      
A randomized, double-blind, placebo controlled cross-over study of 75 consenting adult patients with pain due to fibromyalgia.
      
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Habrid seeds from two crosses were treated bY using 10 Kr~(60)Co γ-ray, and progenies of the two crosses were compared with that from same habr-id seed that were not treated to evaluate effectiveness of combinition incross with γ-ray indution in soybean breeding.The experiment results indicated that characteristic variance was pr-imarily controled by cross for progenies of combinition in cross with γ-ray treatment,even though progenies of combinition in cross with γ-rayinduction had more extreme type and wider...

Habrid seeds from two crosses were treated bY using 10 Kr~(60)Co γ-ray, and progenies of the two crosses were compared with that from same habr-id seed that were not treated to evaluate effectiveness of combinition incross with γ-ray indution in soybean breeding.The experiment results indicated that characteristic variance was pr-imarily controled by cross for progenies of combinition in cross with γ-ray treatment,even though progenies of combinition in cross with γ-rayinduction had more extreme type and wider variance.Advanced generationlines for treatment of combinition in cross with γ-ray induction gave si-milar mean line yield and highest line yield,slightly late maturityand weaker resistance to lodging compared with cross treatment alone.Those showed that treating habrid seed with γ-ray should nat increaseselection effectiveness.

以1.0万伦~(?)Co—Υ射线照射两个大豆杂交组合的杂交种子,对其后代进行了比较研究,以评价杂交与辐射相结合育种方法的有效性。结果表明:杂交与辐射相结合使用时,后代性状变异主要受杂交控制,比单独杂交的后代有较多的极端类型,因而变异辐度较大。此外,杂交与辐射相结合的后代表现略迟熟,抗倒伏性亦较弱.高世代品系平均产量与最高产品系的产量无显著差异,上述结果说明,用γ射线照射杂交种子并不能提高选择效果.

Controlled constrained damping of layered system is concerned with the active and passive hybrid damping of vibrating thin walled structures. The damping of these systems is strengthened by regulating the motion of constrained layer in accordance with the inverse effect of piezoelectricity. The governing equations for a beam with controlled constrained damping of the layer are derived by using constitutive equations for elastic, viscoelastic and piezoelectric materials. Numerical results are obtained on impulsive...

Controlled constrained damping of layered system is concerned with the active and passive hybrid damping of vibrating thin walled structures. The damping of these systems is strengthened by regulating the motion of constrained layer in accordance with the inverse effect of piezoelectricity. The governing equations for a beam with controlled constrained damping of the layer are derived by using constitutive equations for elastic, viscoelastic and piezoelectric materials. Numerical results are obtained on impulsive and sinusoidal loads. Hybrid control is shown to be effective on suppressing structural vibrations .

针对薄壁结构振动,提出了一种主、被动杂交控制的新方式———可控约束层阻尼,利用压电片的逆压电效应控制约束阻尼层的运动,增加系统的阻尼.根据弹性、粘弹性、压电材料的本构关系,建立了具有可控约束阻尼层梁的控制微分方程.脉冲、正弦两种形式载荷的数值模拟表明,这种可控约束层阻尼对振动的抑制有较好的效果,且结构简单,易于实现.

This paper concerns in the active and passive hybrid control of vibration of the thin plate with Local Active Constrained damping Layer(LACL). The governing equations of system are formulated based on the constitutive equations of elastic, viscoelastic, piezoelectric materials. Galerkin method and GHM method are employed to transform partial differential equations into ordinary ones with a lower dimension. LQR method of classical control theory is used in simulating calculation. Numeral results show that the...

This paper concerns in the active and passive hybrid control of vibration of the thin plate with Local Active Constrained damping Layer(LACL). The governing equations of system are formulated based on the constitutive equations of elastic, viscoelastic, piezoelectric materials. Galerkin method and GHM method are employed to transform partial differential equations into ordinary ones with a lower dimension. LQR method of classical control theory is used in simulating calculation. Numeral results show that the active and passive hybrid control manner obtained in this paper is a better one for vibration control of the plate.

本文研究了局部附加主动约束阻尼层(LACL)板的主、被动杂交控制问题·基于弹性、粘弹性、压电材料的本构关系,建立了系统的控制方程·利用Galerkin方法和GHM方法将偏微分方程转换为维数不高的常微分方程组,应用LQR方法进行了数值模拟·计算结果表明,这种主动和被动结合的杂交控制方式具有良好的控制效果·

 
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