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  finally simulation
    Finally simulation results validate the effectiveness of the methods presented in this dissertation.
    最后通过仿真实验验证了文中所提方法的有效性。
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    Two kinds of aeroengine control systems are established to illustrate the validity of the control system simulation platform.
    在控制系统仿真平台上搭建某大型涡扇发动机和某中小型涡扇发动机的控制系统,通过仿真对控制系统模型类库进行了验证。
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    4. We compare the detection performance of ground moving target of the ATI and DPCA technique for the new model of distributed spaceborne SAR in detail.
    4.分析比较了DPCA与ATI两种动目标检测方法。 通过仿真,详细分析比较了不同噪声、杂波干扰条件下DPCA与ATI方法的动目标检测性能。
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    It’s said that GA can automatically design the reentry longtitudinal guidance laws of spacecraft which satisfy the requirements of task through the results of simulation.
    通过仿真实例的结果,说明采用遗传算法能自动设计出满足任务要求的纵向制导规律。
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    Through simulation and comparison, among those design schemes, 2 GEO plus some MEO satellites scheme is chosen to be the final optimized one.
    通过仿真计算分析,在多种设计结果中,得到了优选的2颗GEO卫星结合若干MEO卫星星座设计方案设计结论。
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    Simulation experiment indicates that this method is effective in fault prediction.
    最后利用该方法对某惯性器件进行故障预报,通过仿真实验证明了该方法的有效性。
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  finally simulation
Finally simulation results are provided to demonstrate the performance of the proposed algorithm.
      
Finally simulation test results in HVAC systems control applications showed that the proposed fuzzy model predictive functional control improves tracking effect and robustness.
      
Finally simulation results illustrate the performance of the combined strategy.
      


A new concept of Linearizing the kinematic model of flexible multi-body system is proposed, the linear equation of the kinematic model of flexible multibody system is derived by analyzing the space open-chained mechanism model, this paper also presents the method of evaluating the accuracy of the linearized kinematic model, in the same time according to tne linearized kinematic model and general dynamic equation, a set of time-varying linear dynamic differential equations with ihe microdisplacements as the only...

A new concept of Linearizing the kinematic model of flexible multi-body system is proposed, the linear equation of the kinematic model of flexible multibody system is derived by analyzing the space open-chained mechanism model, this paper also presents the method of evaluating the accuracy of the linearized kinematic model, in the same time according to tne linearized kinematic model and general dynamic equation, a set of time-varying linear dynamic differential equations with ihe microdisplacements as the only general coordinates are deduced when displacement of rigid body is uncoupled with the elastic microdisplacement. Taking the 2-link lianar elastic arm as example, tne comparison witn ihe experimental results shows the simplicity, effectiveness and exactness of the method.

本文提出了多挠体系统运动学模型的线性化思想,结合空间开链机构进行具体分析、推导,得到了多挠体系统运动学模型的线性表达式,同时,提出了评价其线性模型的分析方法。应用线性化运动学模型和动力学普遍方程,导出了刚体位移和弹性微位移互不耦合只以微变位为广义坐标的线性时变动力学微分方程。并就平面二连杆弹性手臂作应用例,通过仿真和实验研究,表明线性化方法具有简单、有效和精度高等特点。

The extended Kalman Filter and fixed-interval Smoother (EKF/S) and Square-Root Information Filter and Smoother (SRIF/S) for flight data compatibility check of two kinds of supersonic aircraft are presented. In order to get high accuracy and computation efficiency, the modified SRIF/S is proposed by exploiting some features of model. The results of simulation and actural flight data computation show that these two methods can give satisfactory result and the modified SRIF/S not only imprives the numerical stability,...

The extended Kalman Filter and fixed-interval Smoother (EKF/S) and Square-Root Information Filter and Smoother (SRIF/S) for flight data compatibility check of two kinds of supersonic aircraft are presented. In order to get high accuracy and computation efficiency, the modified SRIF/S is proposed by exploiting some features of model. The results of simulation and actural flight data computation show that these two methods can give satisfactory result and the modified SRIF/S not only imprives the numerical stability, but also reduces significantly the computation and storage requirement and is more efficient than EKF/S.

飞行数据相容性检验在飞行试验数据分析中是很重要的。由于飞行试验测量数据中存在着各种过程噪声(如大气紊流)和测量噪声(如尺度因子偏差、常值系统偏差等),这些误差将会导致飞行数据各通道之间不相容。利用估计理论进行飞行状态估计,同时估计出未知的尺度因子,系统偏差,即进行飞行轨迹重构被认为是飞行数据相容性(一致性)检验的强有力的工具。本文利用推广卡尔曼滤波和信息平方根滤波及平滑进行高速飞机飞行数据的相容性检验,提出了飞机纵向运动和全面运动的新模型,通过仿真和实际计算得出满意的结果。

On the basis of study on optimal input signal design, data compatibility checking and data analysis, the corresponding softwares were prepared by way of the software engineering method, and then controlled by the managing software. So, an integral state estimation and parameter identification software package for military aircraft MASEPI was formed. Finally, the efficiency and practicality of the software package were confirmed by simulating, test and flight test data processing. The state estimation and parameter...

On the basis of study on optimal input signal design, data compatibility checking and data analysis, the corresponding softwares were prepared by way of the software engineering method, and then controlled by the managing software. So, an integral state estimation and parameter identification software package for military aircraft MASEPI was formed. Finally, the efficiency and practicality of the software package were confirmed by simulating, test and flight test data processing. The state estimation and parameter identification software package for military aircraft MASEPI was applied to the practical engineering of test and flight test data processing. This paper is a brief introduction to the development of the above mentioned state estimation and parameter identification software package MASEPI.

在对最优输入设计、数据协调和数据分析分别进行研究的基础上,应用软件工程化方法研制出相应的软件,再通过管理软件进行统一管理,集成了一个完整的军用飞机状态估计与参数辨识软件包MASEPI。最后,通过仿真测试和实测数据处理,该软件包的有效性和实用性得到了验证和确认。现已应用于实际工程试验与试飞数据处理。

 
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