查询词典 closed system

The digital closed-loop control system is designed and the dissolutive oxygen control algorithm is given out using neural PID algorithm.

设计了全数字化的闭环控制系统，以溶解氧指标为控制对象进行了控制算法设计，针对转刷曝气工艺的特点，采用神经PID调节算法，引入了线性神经元对经典PID算法进行优化、应用梯度下降法对NNC网络权值进行在线计算。

The digital closed-loop control system is designed and the dissolutive oxygen control algorithm is given out using neural PID algorithm. The traditional PID algorithm is optimized by neural network cell method and the weight value of NNC is generated on-line.

设计了全数字化的闭环控制系统，以溶解氧指标为控制对象进行了控制算法设计，针对转刷曝气工艺的特点，采用神经PID调节算法，引入了线性神经元对经典PID算法进行优化、应用梯度下降法对NNC网络权值进行在线计算。

The primary performances of nitrogen-rich compounds on the gas generant composition of automobile crash airbag system are studies. Based on the closed bomb tests, the P—t curves are obtained and compared with NaN〓. It is shown that the burning velocity of five compounds are higher than that of NaN〓.

研究了富氮化合物作为气体发生剂使用的基础性能，采用密闭爆发器法测出了它们燃烧过程的P-t曲线，并与常用的叠氮化钠类气体发生剂的性能进行了比较，结果表明其中5种药剂的燃烧速度优于叠氮化钠。

Firstly, a type of memoryless linear state feedback decentralized controller is presented, which ensure that the closed-loop system is asymptotically stable.

第五章研究不确定组合大系统的状态反馈和基于状态观测器的动态输出反馈鲁棒分散可靠镇定问题。

After analyzing different power steering systems, the control strategies for assist muter in an electric power steering system are emphatically discussed based on traditional control theory, including the designs of current closed-loop PI controller and current set-point algorithm.

在分析现有的各种助力控制策略的基础上，着重讨论了基于传统控制理论设计的电机控制策略与系统性能的关系，其中包括电流闭环PI控制器的参数设计及电流给定算法设计。

An entire analysis on the closed loop system with the controller is presented, including stability analysis, response analysis, parametrical uncertainty analysis, and so on.

最后对开环系统及控制器作用下的闭环系统分别作了一个全面的分析，包括稳定性分析、响应分析等。

Results Cuticular papillates,glandular hairs,peltate scales,and non-glandular hairs presented on the leaf epidermis of C.paliurus.Anomocytic stomata were confined to the lower epidermis.Large cluster crystals existed in the uppermost layer of palisade cells.Midrib included one closed vascular system and one additional vascular strand.Secondary veins are semicraspedodromous and form marginal loops,tertiary veins are percurrent,quaternary veins form orthogonal or polygonal areoles filled up by branched and freely ended veinlets.

结果青钱柳叶表皮有许多小乳突，腺毛，盾状鳞片和非腺毛表皮毛；气孔器不规则型，仅分布于下表面；靠近表皮的叶肉组织中有规律地分布含簇晶的细胞；主脉中维管组织环状，封闭，具有一个副维管束；二级脉在叶缘内分支，相互连接形成脉环，三级脉及顶型，脉间区内充满分支的自由结束的小细脉。

Olfactory environment of urban vegetations is a chemical factor that concerns well-beings deeply. Volatiles from such vegetations are sampled by Tenax-GR adsorption tubes portably within a closed circulation system of dynamic head-space collector, which was proposed and improved by our research team.

绿色环境除了人们在传统上重视的景观视觉因素外，由植物挥发物通过人类嗅觉感受体现出的绿色嗅觉环境质量状况也是林业人类工效学研究中与人体健康关系密切的化学环境因素。

The closed-loop system designed by the proposed method is local quadratically stable at the equilibrium, and its disturbance rejection and dynqmic performance are good.

所设计的闭环系统在平衡点是局部二次型稳定的，系统抗扰性能和动态性能均较好。

This control scheme guarantees the global stability of the closed-loop system and makes the tracking error tend to be zero and quadratically integrable.

该控制器能保证系统的全局稳定性，跟踪误差趋于零并且是平方可积的。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。