| 1. | Based on the test system of unloading valve , the step response method is used to acquire the step response curve of this system
以卸荷阀性能测试系统作为研究对象，利用阶跃响应法获得系统的阶跃响应曲线并求得了系统的传递函数。 |
| 2. | With estimating the numerator of the new simo model transfer function first and the common denominator later , the parameter estimation of the original siso model is obtained
再估计出这个新的单输入多输出系统的传递函数，最后得到原单输入单输出系统的模型参数。 |
| 3. | Based on the input - output model and the transfer function , the simulations , such as step and frequency response and the design of appropriate digital controller were carried out
建立了致动器的输入输出模型，推导了系统的传递函数，并在此基础上对系统进行了仿真分析。 |
| 4. | The block diagram of step heating - furnace speed control system is drawn , according to which the transfer function of the system is arrived at and the factors that affect the dynamic property of the system are analyzed in detail
摘要建立了步进加热炉速度控制系统的方框图，通过方框图求出了该系统的传递函数，并对影响系统动态特性的因素进行了详细分析。 |
| 5. | Using the fdtd method , the imaging by photonic crystals is demonstrated and the transfer function of this imaging system is given , which illustrates the influence of surface terminations to the imaging quality
首次利用离散傅立叶变换和时域有限差分方法模拟了光子晶体平板成像的物理过程并给出了该成像系统的传递函数，揭示了平板界面对成像质量的重要影响。 |
| 6. | The identification method is studied and the transfer function of the automobile air brake unloading valve ' s test system is acquired ; the pressure balance time of the test system of the unloading valve is studied by the increasing pressure in different speed and scope
本文主要研究内容是汽车气制动卸荷阀性能测试系统的传递函数的辨识方法及不同的加压方式对系统压力平衡时间的影响并进行了相应的试验验证。 |
| 7. | Here the theoretical model of vav system is set up for the first time . besides , the transfer function matrix of the 5 inputs and the 5 outputs is established by combining the theoretical analysis with the data analysis of experiment . then the non - linear mathematical model of the five loops is delt with in two method : in the first method , taylor progression is applied near the working point of the system in order to make the volume of change between the output and the input become similar to a linear relationship . in the second mothed , the non - linear mathematical model realize linear by means of being devided into sections . the study shows that both the motheds are effective in dealing with the non - linear issue in vav system
本文首次建立了变风量空调系统的机理模型，并通过采用机理分析和实验数据分析相结合的方法，建立了所研究的五输入、五输出的变风量空调系统的传递函数矩阵，并对这五个控制回路的被控对象的非线性数学模型，采用两种方法加以处理：第一种方法是在系统的工作点附近进行泰勒级数展开，使输出的变化量与输入的变化量之间呈现近似的线性关系；第二种方法是将非线性的数学模型进行分段线性化，即用分段线性化来逼近非线性化的模型。 |
| 8. | Models of electro - hydraulic servo valve , gear - rack swing hydraulic - pressure oil vat and torque sensor are selected in order to analog the rolling moment more accurately . the transfer function of electro - hydraulic moment servo system is presented and the system parameters are gained . at the same time , the simulation of system is studied
为了能更好的模拟海浪作用于船舶的横摇力矩，选取了电液伺服阀、齿轮齿条摆动液压油缸和扭矩传感器的型号，建立了电液力矩伺服系统的传递函数模型，求取了系统参数，并对系统进行了仿真研究。 |
| 9. | ( 2 ) for linear systems with time - varying delays both in state and control , and subject to norm - bounded parameter uncertainties , the problems of robust stabilization and robust h control are studied and delay independent results are derived by constructing proper lyapunov function to deal with the time - delay , also by using riccati equations method and inequalities transformations to deal with the uncertainties . according to the transform function of the system , frequency domain method and time domain method are combined together to analyze the robust h control problem of the uncertain time - delay system
( 2 )研究了一类状态和控制同时具有时变时滞以及参数时变有界不确定性系统的时滞无关的鲁棒镇定及h控制问题，采用把时滞因素和不确定因素分开处理的思路，通过构造适当形式的lyapunov函数来处理时滞，采用不等式变换及riccati方程方法来处理不确定性，采用频域与时域相结合的方法根据系统的传递函数分析时滞不确定系统的鲁棒h控制问题。 |
