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并联机器人的运动学动力学分析以及轨迹规划(Trajectory planning, kinematics and dynamics analysis of parallel robot)
- 2018-09-28 17:23:20下载
- 积分：1
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三相三电平逆变器的两个相同电路进行建模power_3level
说明： 该模型是对50kW、380V、50Hz三相三电平逆变器的两个相同电路进行建模。IGBT逆变器采用SPWM技术，(8kHz载频)将直流电源从a +/-200Vdc源转换为220V AC, 50Hz。逆变器通过75kVA 220/380V变压器输入50kW电阻负载。变频器输出采用L-C滤波器滤除主要产生于8kHz开关频率倍数(Fh=n*8000 +/-k*50Hz)附近的谐波频率Fh。逆变器所需的12个逆变脉冲由PWM发生器块产生。该系统以恒定的调制指标在开环中工作。
电路1使用三电平桥块对逆变器进行建模。电路2使用独立的IGBTs和二极管块。用开/关延时块模拟死区，仅在电路1上应用。(It is easy for us)
- 2020-07-14 09:08:52下载
- 积分：1
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bilidaoyinfa
通过matlab编程实现了比例导引法制导的弹目飞行的轨迹生成(Trajectory Generation of Missile Guided by Proportional Guidance Method)
- 2018-12-09 21:33:24下载
- 积分：1
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DE优化函数程序
大坝变形的精确预测对其安全评价方面发挥着重要作用。为了进一步提高大坝变形预测精度，提出了一种改进的灰狼算法优化支持向量机的预测模型。通过引入非线性收敛因子和采用动态加权策略，提升灰狼算法优化支持向量机惩罚因子和核函数参数的能力，并以优化的参数来建立支持向量机大坝变形预测模型。选取实例数据，在与布谷鸟算法、差分进化算法、粒子群算法、基本灰狼算法优化的支持向量机预测比较中，实验结果表明，改进的灰狼算法对支持向量机参数的优化是有效的，可以提高大坝变形预测精度。(Accurate prediction of dam deformation plays an important role in its safety evaluation. In order to further improve the prediction accuracy of dam deformation, an improved grey Wolf algorithm is proposed to optimize the prediction model of support vector machine. By introducing the nonlinear convergence factor and using the dynamic weighting strategy, the gray wolf algorithm is improved to optimize the capacity of the support vector machine penalty factor and the kernel parameter, and the support vector machine dam deformation prediction model is established with the optimized parameters. The experimental results show that the Improved Grey Wolf algorithm is effective for the optimization of support vector machine parameters, and it can improve the accuracy of the deformation prediction of the dam.)
- 2018-06-28 09:53:07下载
- 积分：1
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UPFC模型
UPFC模型，模型非常详细和系统，有助于理解潮流控制器(UPFC model, which is very detailed and systematic, helps to understand power flow controllers)
- 2019-04-22 18:56:05下载
- 积分：1
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log-FDA transmit beamforming
阵元间频率增量按对数增加，发射波束不再按距离周期性出现，发射波束图最大值只有一个。相较于阵元间频率增量固定的传统频率分集阵列，log-FDA能够抗距离相关的干扰，而且发射能量不泄露，具有一定的低截获性能。(FDA with logarithmically increasing frequency offset to achieve a beampattern with a single maximum at the target location. FDA radar with uniform interelement frequency offset, its beampattern exhibits maxima at multiple range values. doe tu the multiple maxima, a number of reflectors located at any of the maxima can interfere the target-return, thus deteriorating SINR.)
- 2018-07-02 15:42:46下载
- 积分：1
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NAR
提供非线性自回归神经网络（NAR）的训练及前向预测代码(Training and Forward-Predictive Code of nar Neural Network)
- 2021-04-20 16:58:51下载
- 积分：1
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分布式电源接入对配电网的可靠性影响
分布式电源接入对配电网的可靠性影响相关的仿真模型(Reliability of Distribution Network Affected by Distributed Generation Access)
- 2021-04-26 10:28:45下载
- 积分：1
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Fluent-DPM
说明： 在fluent仿真软件中定义DPM两相流计算(Fluent user defined DPM Model)
- 2019-11-25 21:55:17下载
- 积分：1
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二+三+四自由度模型
说明： 车辆二自由度（三种方式），三自由度，四自由度车辆模型，参数齐全，可完美运行，绝不忽悠！(Vehicle two degrees of freedom (three ways), three degrees of freedom, four degrees of freedom vehicle model, complete parameters, perfect operation, never fooling!)
- 2020-01-07 09:44:45下载
- 积分：1
