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Description: This a SV-KNN matlab file, which computes the k-kearest-neighbor in a very efficient manner.-This is a SV-KNN matlab file, which computes the k-kearest-neighbor in a very efficient manner.
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Size: 2048 |
Author: sheffield |
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Description: 为研究电压源型逆变器供 电的六相感应电动机调速 系统的性能，在 六相感应 电动机 A —— C
坐标 系动态数学模型的基础上 ，通过坐标 变换得到六相感应 电动机在 d— q 坐标 系下的动态数 学模
型 ；采 用空 间矢量脉 宽调制 (Space V ector Pulse W idth M odulation ， SV PW M ) 技 术 对 六相 电压 源 型逆
变器进行 调制 ．在 M ATLAB／ sIM u LIN K 环境 下 ，构 建 SV PW M 电压 源型逆 变 器供 电的六相 感应 电动
机调速 系统的仿真模型 ，进行调速 系统起动和制动的动 态仿真．仿真结果表明，系统的转矩脉动小，
定子电流谐波小，具有较好的动态性能和稳 态性能-To study the performance of the voltage source inverter-powered six-phase induction motor speed control system, six-phase induction motor A- C coordinates based on a dynamic mathematical model to obtain a six-phase induction motor in d- q coordinate transformation dynamic mathematical model coordinate system using space vector pulse width modulation (space V ector pulse W idth M odulation, SV PW M) technology for six-phase voltage source inverter modulation. In M ATLAB/sIM u under LIN K environment, to build simulation models SV PW M voltage source inverter-fed six-phase induction motor speed control system for speed and dynamic simulation system start braking. Simulation results show that the system torque ripple small, stator current harmonics, has a good dynamic performance and steady performance
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Size: 245760 |
Author: q |
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Description: 采用matab语言计算地震动记录，得到11种在地震工程中需要运用的参数，适用于日本K-net和Kik-net的数据，也适用于peer数据库的数据，只需要少量修改即可。(computing the ground motion parameters using the algorithm provided by litereatures , we can compute 11 parameters ,including PGA, PGV ,PGD,SA,SV,SD and so on.)
Platform: |
Size: 2048 |
Author: 昆义 |
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