查询词典 variable-density system

Under cluster innovation environment, SMEs could choose integration of industry, learning and research, technology introduction, cooperative research and development; Empirical studies show that the variable of cluster innovation environment and technical innovation competence in SMEs exits positive correlation; the management department of government and science and technology park should perfect cluster innovation environment,the SMEs should use cluster innovation environment more positively,perfect innovation resources sharing mechanism and cluster learning mechanism, perfecting intermediary service system,establish SMEs'technology innovation system.

政府及科技园区相关管理部门应该进一步完善集群创新环境建设，为群内中小企业营造良好的技术创新环境；中小企业应该更有效的积极利用集群创新环境，更多的通过合作创新实现技术创新能力的提升；健全创新资源共享机制与集群学习机制；健全中介服务体系，建立中小企业技术创新体系，提高中小企业自身技术创新能力。

When the parameters of complex system are variable by time, it is more difficult to design the control system.

时滞特性是工业生产过程中普遍存在的现象，由于时滞现象的存在，扰动不能被及时察觉，控制作用需长时间后才能反映到系统输出上，因此使控制器参数不易选取，若控制参数调整不当，会造成系统控制品质的下降，严重时会导致系统不稳定。

The drive system adopts 5 independent drive mechanisms and a common drive mechanism, therefore both the working space and cost are reduced. In the design of the control system, the hydraulic servo technique and modern control technique are applied. The hydraulic stepless variable speed device adopts compound open and closed static pressure drive pattern, ensuring the smoothness of the drive.

其中的传动方案设计中采用5个独立的传动系统和1个共用的传动系统，既节约了空间和成本，又满足了技术要求；控制系统设计中运用了液压伺服技术和现代控制理论技术；液压无级变速装置采用闭式和开式静压传动系统相结合的方式，传动系统平稳，波动小。

It takesthe weighted average of the L2 norm of the difference of the observation and thesolution of the system and the L2 norm of the difference of conormal derivativeat the different sides of the interface for every subdomain as cost functional andthe smooth coefficients of the subproblem and the value of solution of the originalproblem at interface as identification parameters;Using the property of continu-ous functional defined on compact set,the existence of the optimal solution of theidentification problem is proved;The necessary conditions of optimality charac-terized by the system equation,the adjoit equation and the variational inequalitysimultaneously are given by introducing the conception ofdifferential andadjoit variable;An algorithm is devised and its flow graph is given.

其次，针对分片光滑动力系统的特征，结合正演过程的区域分解算法，建立了分片光滑系统的分解区域参数辨识模型，该模型以子区域上解的实测值与计算值之差的L2范数和界面两侧的通量差的L2范数的加权平均作目标泛函，各子问题的光滑系数及界面上真解的值为待辨识参量；利用紧致集上连续泛函的性质，证明了子区域上参数辨识问题最优辨识参量的存在性；引入微分的概念，借助伴随变量，给出了由系统方程，伴随方程和变分不等式共同表征的最优性必要条件；根据此必要条件设计了算法，给出了算法的程序框图。

Presents the automatic control system scheme,especially that of the air conditioning system of constant and variable air volume .

简要叙述了该智能楼宇空调自控系统的整体结构，详细介绍了定风量和变风量空调系统的控制方案。

This paper introduces the properties of variable air volume system and constant air volume system.

对于气体来说，必须把恒容和恒压下发生的状态改变区别开来。

In this paper,the method of feedback pulse of system variable was applied to control the discrete map and continuous nonlinear system for transforming a stable periodic motion into an unstable chaotic motion.

用系统变量的脉冲反馈法控制离散和连续非线性系统，使系统由稳定的周期运动转变为不稳定的混沌运动。

Hybrid system is a type of sophisticated system which consists of interactive discrete event dynamic systems and continuous variable dynamic systems.

混合系统是由相互作用的离散事件动态系统和连续变量动态系统构成的复杂系统。

ABSTRACT Hybrid Dynamical System is a class of complex system composed by Continuous Variable Dynamic Systems and Discrete-Eve...

混合动态系统是由连续变量动态系统和离散事件系统相互混合、相互作用而成的一类复杂的智能系统。

Next, what have double input and variable of 2 dimension appearance in the light of a kind is nonlinear system, used opposite curvature concept and curve to design controller of contract of appearance of 2 dimension plane by basic theorem, the curve of contrail of appearance be accusinged that controller of contract of this kind of appearance can assure a system and referenced contrail curve have identical figure.

梗概： 针对一般控制系统，利用微分几何中的曲线理论提出了外形变量、被控外形轨迹曲线和外形合同控制等概念。然后，针对一类具有双输入及二维外形变量的非线性系统，利用相对曲率概念和曲线论基本定理设计了二维平面外形合同控制器，这种外形合同控制器能够保证系统的被控外形轨迹曲线和参考轨迹曲线具有完全相同的外形。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。