查询词典 steady state

In chapter 1, the existence of positive steady-state solutions for an un-stirred Chemostat with inhibitor is investigated.

第一章讨论了具有抑制项的Chemostat模型平衡态正解的存在性。

While the number of packets received in the first month is high due to the initial charge in the NiMH batteries, the number of packets received drop down to 30–50% in steady state, depending on available sunlight.

然而，第一个月所接收到的数据包的数量大部分归功于镍氢电池的起始电荷，接下来收到的数据包的数量渐渐地非常平稳地下降到30%—50%，依靠的是当时可利用的日光资源。

The main purpose of this dissertation is to study the steady state problem,periodic-boundary value problem and initial value problem of Lazer-Mckenna sus-pension bridge equation and other some relevant problem.

本文研究Lazer-Mckenna吊桥方程的静态问题，周期边值问题和初值问题以及一些类似的相关问题。

This thesis proposes another approach, which makes the phase current be inphase with each phase back-EMF respectively by tuning a parameter in the new sensorless algorithm at the steady state to intentionally produce rotor position estimation error.

此外，为了提升稳态时马达的运转效率，本论文提出一个参数调整机制，刻意的使估测结果产生误差，使各相电流能与反抗电动势同相。

"Compensation",The ideal integral compensation technique can be used to improve the steady-state error of a feedbeak control sysem.

"，"理想的积分补偿技术可以改善一个回授控制系统的稳定状态。

The integral operator is introduced such that the control system achieves a zero steady state error.

滑模面中积分算子的引入确保了闭环系统零稳态误差的性能要求。

A detailed analysis of the main circuit introduction, control method and working principle of the direct-drive wind energy conversion system are given to introduce the two important parts a of this paper: First part is the control method of the multiple boost convertor, the important instantaneous current control method of this paper is given through the analysis of the main circuit structure, control method and working principle. Then a steady-state analysis for low-frequency, a high-frequency component analysis, and a closed-loop tracking performance analysis for dynamic response are provided to analyze the method proposed; And the second part is the control method of invertor.

在系统变流器整体结构分析的基础上，引出本文重点研究的两个变流环节的控制：第一部分是系统升压斩波器的控制，通过分析相关主电路结构、原理，建立了数学模型，引出本文重点研究的瞬时值控制策略的概念和具体实现，并对升压斩波器的瞬时值控制策略进行了详细的高频、低频模型分析和稳态、动态性能分析；第二部分是系统并网逆变器的控制，通过对逆变器主电路的数学建模和控制要求分析，研究了并网逆变器的瞬时值控制策略，包括电感电流控制内环和直流电压控制外环的具体设计和实现方法。

Avioding the iteration step to compute left eigenvector, this method is more simple and more suitable for on-line steady state voltage stability analysis.

由于避免了左特征向量的迭代求解，因此该方法简单实用，计算量小，适于在线静态电压稳定分析的使用。

The relationship between minimal model characteristic value of electric power system tie flow Jacobin matrix and voltage steady-state stability is was discussed, and the minimal model eigenvalue is was defined as voltage stability abundant degree. On this foundation, the sensitivity of voltage stability abundant degree to control variables and to PQ point load are was defined in order to seek the factors of impacting voltage stability and explore the voltage weak point, and give out their algorithm simultaneously.

讨论了电力系统潮流雅可比矩阵最小模特征值与系统电压静态稳定性的关系，将最小模特征值定义为电压稳定裕度，在此基础上定义了电压稳定裕度对控制变量的灵敏度和PQ节点负荷灵敏度，用以找出对系统电压稳定性造成影响的因素和寻找系统电压薄弱点，同时给出了它们的算法。

To increase the accuracy of the test method, a steady-state operation life test method with additional measuring and strictly controlling transistor junction temperature, in the highest temperature range, is given.

旨在提高晶体管稳态工作寿命试验方法的可信度，提出了一种在试验过程中实时测量并严格控制晶体管结温在最高允许结温附近的稳态工作寿命试验方法。

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％。