变工况

Lastly, the analysis of cycle to cycle variation of diesel and methanol combustion processes have been done using above zero-dimension model and statiscal calculation methods.

建立一套适合于多种燃料燃烧过程分析的零维燃烧数学模型，并根据试验结果，对甲醇和柴油的变工况及循环波动现象进行了计算分析比较。

It analyzes a hydraulic elevator car frame used in the museum, sets up its multi-loops structure and variable working conditions load.

某博物馆液压电梯轿厢架具有多重框架的结构特点和变工况的载荷特征，传统公式计算法难于进行应力和变形分析。

Therefore, changing operating conditions thermal expansion valve for the regulation of fluid volume area requiring further improvement.

因此热力膨胀阀在变工况下供液量的调节方面需进一步改进。

The basic relationship between the the first half-wave peak value of transient current and the initial firing angles is found by means of analytical method.The practical method is put forward to determine the initial two-phase and the third phase firing angles with the limiting value and the space vector varying track of transient current.And then the subsequent series of firing angles with the even step are calculated by using the speed at the time of re-switching.The suppressive effect to the inrush current is verified with simulation and experiment of rapid soft re-switching control,by which the influence of different speed to rapid soft re-switching course is analyzed besides.3 To analyze the power loss for typical periodically variable running load and deeply study the energy-saving principle and control mode of the intermittent power supply approach. Futhermore,the novel integrated energy-saving control technique is developed on base of the intermittent power supply approach.

通过解析方法找到快速软投入初始触发角与瞬态电流首半波峰值加热板之间的基本关系，进而提出了由限流值和空间向量轨迹确定初始两相和第三相触发角的方法，并以固定步长均匀递减的方式由投入时转速计算出其它后续触发角；结合仿真和实验验证了快速软投入对冲击电流的抑制作用，并分析了不同转速下投入时对电源快速软投入过程的影响。3对典型周期性变工况负载特性进行能耗分析，深入研究断续供电节能机理和控制模式，并进一步发展了以断续供电为主的综合节能控制新技术。

The basic relationship between the the first half-wave peak value of transient current and the initial firing angles is found by means of analytical method.The practical method is put forward to determine the initial two-phase and the third phase firing angles with the limiting value and the space vector varying track of transient current.And then the subsequent series of firing angles with the even step are calculated by using the speed at the time of re-switching.The suppressive effect to the inrush current is verified with simulation and experiment of rapid soft re-switching control,by which the influence of different speed to rapid soft re-switching course is analyzed besides.3 To analyze the power loss for typical periodically variable running load and deeply study the energy-saving principle and control mode of the intermittent power supply approach. Futhermore,the novel integrated energy-saving control technique is developed on base of the intermittent power supply approach.

通过解析方法找到快速软投入初始触发角与瞬态电流首半波峰值之间的基本关系，进而提出了由限流值和空间向量轨迹确定初始两相和第三相触发角的方法，并以固定步长均匀递减的方式由投入时转速计算出其它后续触发角；结合仿真和实验验证了快速软投入对冲击电流的抑制作用，并分析了不同转速下投入时对电源快速软投入过程的影响。3对典型周期性变工况负载特性进行能耗分析，深入研究断续供电节能机理和控制模式，并进一步发展了以断续供电为主的综合节能控制新技术。

This paper simulates how the additional flutter signal impacts on oil pressure and actuator output when the dead zone is kept. The proper principle of flutter signal for jam diagnosis is given. Based on the given flutter signal, different jams caused by jam of the EH servo valve under different operating condition are simulated and the output of the oil pressure and actuator are presented. Meanwhile, waving threshold of the oil pressure for jam diagnosis is given. The simulations and analysis prove that the jam fault identification of the EH servo valve based on flutter signal is feasible.

在应用附加振颤信号防止和识别卡涩故障的前提下，确定了振颤信号的选取原则，并采用仿真的方法深入探讨了3种变工况条件下不同卡涩程度对电液转换器油压和油动机输出的影响，提出了油压阈值的卡涩判断标准，论证了基于振颤信号幅值与频率响应监测电液转换器卡涩故障诊断方法的可行性。

For the first time I simulated the off-design performance of the pulse gas turbine.

5对脉冲燃烧燃气轮机变工况下的特性进行了模拟。

Based on the Quasi steady state method,a computer simulation model of the transient performance of marine diesel engine-digital electronic governor system is established.

在准稳态方法基础上建立了适合于轮机模拟器的柴油主机-电子调速器系统动态过程仿真模型，并导出了柴油机变工况运行中一些过程参数的经验公式。

Keywords industrial steam turbine;varying duty;temperature;pressure;power;thermal efficiency

工业汽轮机；变工况；温度；压力；功率；热效率

At the same time, comparing with the straight tube type stream generator, it can strengthen the effect of heat exchange. Finally, aim at the demand of the nuclear power equipment, the varied rule of some parameters are gained by designing a reasonable control project with the MATLAB and SIMULINK software. The simulation results provide a good foundation for the father research of the integral nuclear power equipment.

最后，针对核动力装置一回路系统要求，设计出合理的控制方案，并将一回路系统中的堆芯、蒸汽发生器以及其相应的控制系统连成一体，运用MATLAB中的SIMULINK仿真软件对其进行变工况动态仿真，得到了一些参数的变化规律，所得结果为进一步研究一体化核动力装置动态仿真系统提供了依据。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。