查询词典 closed system

Furthermore, through the linearization model, the control laws of the aped tracking and feedback is designed and so theobserver is designed and it can improve the velocity and accuracy of the speed-tracking under the condition which guaranteed the stability of the whole closed loop system.

本文正是为解决此类非线性限制问题而进行了深入的理论研究，在综合分析三相交流直线永磁同步伺服电动机非线性动态数学模型的基础上，采用反馈线性化控制理论，建立了三相交流直线永磁同步电动机速度跟踪闭环系统动态的输入—输出模型，进而通过该线性化模型设计反馈控制律、速度跟踪控制律和负载阻力扰动观测器，在保证整个闭环系统稳定的前提下，提高伺服跟踪的快速性和精确性。

Secondly, it helps to construct a teachers'knowledge-sharing system to get closed knowledge apperceived, exchanged, internalized and inherited.

第二，有利于构建教师群体的知识共享机制，使缄默知识得以感知、交流、内化与传承。

Closed-loop simulation is implemented consorting with oil-supplied regulating system physical model, and variation of performance parameter with time is gained.

运用调节数值模拟系统，进行了发动机本体与调节数值模拟系统的闭环仿真，得到了加速过程中发动机的性能参数随时间的变化。

It is shown that all signals in the closed-loop system are bounded and tracking error converges to zero.

基于李亚普诺夫函数证明了闭环系统的所有信号是有界的，并且跟踪误差收敛到零。

Both variables are not at their profit- maximizing level.(2) During the reform, worse SOEs are denationalized or closed while their employment system reformed, but better SOEs remain to be regulated.

2在改革过程中，一些绩效较差的国有企业在实行就业体制市场化改革的同时，也进行了非国有化，而剩下的构成存量的国有企业却往往是那些绩效较好的国有企业。

A system for treating pulp comprises a dewatering device ( 2 ) for dewatering the pulp to a fiber concentration of at least 20%, a closed pulp-shredding vessel ( 16 ) for shredding the dewatered pulp, and an outlet pipe ( 22 ) from the pulp-shredding vessel.

一种处理浆料的系统，该系统包括用于使浆料脱水至至少20％的纤维浓度的一脱水装置(2)、在用于切碎已脱水的浆料的一封闭的浆料切碎容器(6)以及来自浆料切碎容器的一出口管(22)。

In this manner all closed systems protect themselves at the same time from the referential - as well as from all metalanguage that the system forestalls in playing at its own metalanguage; that is to say in duplicating itself in its own critique of itself.

任何封闭系统都以这种方式既防御了参照，又防御了参照之焦虑--还防御了一切元语言，系统通过玩弄自己的元语言，即通过在自我批评中自我复制来预先对付一切元语言。

As f orming parts with opened-loop control system, the process parameters can't be ad justed according the actual conditions, once conditions varying the process can' t obtain the expected results. In order to solve these problems, the closed-loop control systems have been developed on the basis of real-time sensing principle .

为了解决这个问题，国内外研究机构发展了基于实时监测原理的闭环控制系统，通过不断地调整加工工艺，最终获得了几何性能和力学性能达到设计要求的三维实体零件。

Using this feature with the Purge Valve closed can result in over pressurizing the system or exceeding the Pressure Safety Relief Valve setting.

在放气阀关闭时使用这个功能，可能会导致系统压力过大或超过压力安全阀的设置压力。

RESULTS : The closed-loop control system titrated propofol administration accurately resulting in BIS values close to the set point.

结果：用闭合环路系统滴定测得的异丙酚输注时的 BIS 值与预设值极为接近。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。