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[matlabcostas

Description: 用MATLAB的simulink实现costas环的.mhl文件-Using MATLAB-simulink realization costas Central. Mhl document
Platform: | Size: 17408 | Author: 浮想 | Hits:

[matlabResearchandPracticeforNonlinearModelingofSwitchedR

Description: 开关磁阻电机作为一种电动调速系统具有结构简单坚固、低成本、高容错性能以及高速运行的能力,目前它越来越广泛的应用于航空和汽车上的起动/发电系统,具有很大的潜力。要对开关磁阻电机进行深入的理论分析,就需要对其建立一个准确而又有实用性的模型。而 MATLAB 软件具有强大的矩阵和数学计算功能,利用它的模块之一 SIMULINK 建模有着界面友好、易于进行参数修改等特点。国内利用 MATLAB 软件对开关磁阻电机进行建模主要分两大类:一部分是采用 M 文件编程的方法 另一部分是利用开关磁阻电机的线性电感模型或者准线性模型进行建模分析。两者都没充分利用MATLAB/SIMULINK 的主要功能。 本文将基于 MATLAB/SIMULINK 对开关磁阻电机进行非线性建模研究。-Switched reluctance motor as an electric control system has a simple structure robust, low cost, high fault tolerance and high-speed operation capability, now it is increasingly widely used in aerospace and automotive starter/generator system, with great potential. To SRM-depth theoretical analysis, we need to have their precise and practical to build a model. The MATLAB software has powerful matrix and mathematical calculations, use one of its modules, SIMULINK modeling has friendly interface, easy to modify the parameters and so on. Domestic use of MATLAB software to model the SRM two main categories: one is programming method using M files the other part is the use of switched reluctance motor or a linear inductance model to model quasi-linear model analysis. Both did not make full use of MATLAB/SIMULINK s main functions. This will be based on MATLAB/SIMULINK for nonlinear modeling of SRM research.
Platform: | Size: 973824 | Author: 王明 | Hits:

[Communication-Mobileseveral-channels-simulation-

Description: 各种信道的仿真文件,Simulink_wireless_hata_attenuation.m为Okumura-Hata模型仿真 Simulink_wireless_Walfish_Ikegami_attenuation.m为COST231-WI模型仿真 Simulink_wireless_COST231_hata_attenuation.m为COST-231 Hata模型仿真 BPSK_BER1.mdl为高斯白噪声下BPSK误比特率的simulink模型 Simulink_BPSK_BER.m为高斯白噪声下BPSK误比特率的模型仿真 BSC_BER.mdl为二进制对称信道simulink模型 Simulink_BSC_BER.m为二进制对称信道误比特率模型的仿真-several channels simulation ,,Simulink_wireless_hata_attenuation.m为Okumura-Hata模型仿真 Simulink_wireless_Walfish_Ikegami_attenuation.m为COST231-WI模型仿真 Simulink_wireless_COST231_hata_attenuation.m为COST-231 Hata模型仿真 BPSK_BER1.mdl为高斯白噪声下BPSK误比特率的simulink模型 Simulink_BPSK_BER.m为高斯白噪声下BPSK误比特率的模型仿真 BSC_BER.mdl为二进制对称信道simulink模型 Simulink_BSC_BER.
Platform: | Size: 38912 | Author: sharon | Hits:

[Software EngineeringMODELLING--SIMULATION-AND-ANALYSIS-OF-LOW-COST-DI

Description: a paper of simulation for BLDC with Simulink
Platform: | Size: 3359744 | Author: hui | Hits:

[SCMrtt_beagleboard_r2012a_v1_0

Description: Beagle Board 是一种开放硬件的单板计算机,能够以合理的速度运行 Linux,同时保持价格低廉。建立MATLAB的simulink模型来模拟Beagle Board的硬件支持。-The BeagleBoard (www.beagleboard.org) is a low-cost, single-board computer designed for audio, video, and digital signal processing. With R2012a, Simulink provides built-in support for prototyping, testing, and running models on the BeagleBoard. You can design algorithms in Simulink for audio processing and computer vision applications then see them perform with hardware.
Platform: | Size: 4083712 | Author: 林真天 | Hits:

[Linux-Unixpandaboard_r2012b_v2_0

Description: 熊猫主板是一种开放硬件的单板计算机,能够以合理的速度运行 Linux,同时保持价格低廉。建立MATLAB的simulink模型来模拟熊猫主板的硬件支持。-he PandaBoard (www.pandaboard.org) is a low-cost, single-board computer designed for audio, video, and digital signal processing. With R2012b, Simulink provides built-in support for prototyping, testing, and running models on the PandaBoard and PandaBoard ES. You can design algorithms in Simulink for audio processing and computer vision applications then see them perform with hardware.
Platform: | Size: 1781760 | Author: 林真天 | Hits:

[File FormatCompensation-for-Sliding-Mode

Description: 机电传感器通常用于获取转子位置/速度的内置式永磁同步电机( IPMSMs )的高性能控制 车辆系统。然而,使用这些传感器中的增加的成本,尺寸,重量,布线复杂性并减少了IPMSM驱动系统的机械鲁棒性。这些问题连同 一些实用的要求,例如,调速范围广,极端 环境温度和不利的负载条件下,使传感器控制方案可取。本文提出了一种扩展的反电动势( EMF )为基础的滑模 转子位置观测器IPMSMs的无传感器矢量控制。 基于滤波器的特性,一个强大的补偿算法的开发,以改善滑动方式观测器(SMO)的性能。多级滤波器和双滤波器的计划被设计的补偿算法,以进一步改善稳态和瞬态性能,分别。建议SMO和补偿算法通过在MATLAB的Simulink仿真,以及对实验进行验证 实用的永磁同步电动机驱动系统-Electromechanical sensors are commonly used to obtain rotor position/speed for high-performance control of interior permanent magnet synchronous machines (IPMSMs) in vehicle systems. However, the use of these sensors increases the cost, size, weight, wiring complexity and reduces the mechanical robustness of IPMSM drive systems. These issues, together with some practical requirements, e.g., wide speed range, extreme environment temperature, and adverse loading conditions, make a sensorless control scheme desirable. This paper proposes an extended back electromotive force (EMF)-based sliding mode rotor position observer for sensorless vector control of IPMSMs. Based on filter characteristics, a robust compensation algorithm is developed to improve the performance of the sliding-mode observer (SMO). Multistage-filter and dual-filter schemes are designed to further improve the steady-state and transient performance, respectively, of the compensation algorithms. The proposed SMO and c
Platform: | Size: 1332224 | Author: zhangyunlong | Hits:

[Software EngineeringCONTROLLER-PARAMETERS-TUNING-USING-GENETIC-ALGORI

Description: The paper deals with a controller design for the nonlinear processes using genetic algorithm and neural model. The aim was to improve the control performance using genetic algorithm for optimal PID controller tuning. The plant model has been identified via an artificial neural network from measured data. The genetic algorithm represents an optimisation procedure, where the cost function to be minimized comprises the closed-loop simulation of the control process and a selected performance index evaluation. Using this approach the parameters of the PID controller were optimised in order to become the required behaviour of the control process. Testing of quality control process was realized in simulation environment of Matlab Simulink on selected types of nonlinear dynamic processes.-The paper deals with a controller design for the nonlinear processes using genetic algorithm and neural model. The aim was to improve the control performance using genetic algorithm for optimal PID controller tuning. The plant model has been identified via an artificial neural network from measured data. The genetic algorithm represents an optimisation procedure, where the cost function to be minimized comprises the closed-loop simulation of the control process and a selected performance index evaluation. Using this approach the parameters of the PID controller were optimised in order to become the required behaviour of the control process. Testing of quality control process was realized in simulation environment of Matlab Simulink on selected types of nonlinear dynamic processes.
Platform: | Size: 135168 | Author: samir | Hits:

[matlabBPSK_Channel_Simulink

Description: 信道仿真程序,通过simulink实现BPSK调制在二进制对称信道、AWGN、RAyleigh、Rician信道下的误比特率仿真,并提供了Okumura-Hata模型函数、COST231-WI视距模型函数、COST231-WI非视距模型函数、COST-231 Hata模型仿真-Channel simulation program, through the simulink to realize BPSK modulation in binary symmetric channel, AWGN and RAyleigh and Rician channel bit error rate of the simulation, and provides Okumura Hata model function, COST231 WI stadia model function, COST231- WI non line-of-sight Hata model simulation model function, COST- 231
Platform: | Size: 39936 | Author: llx | Hits:

[matlabZigBeeIEEE

Description: The implementation was built on Matlab/Simulink using fundamental components in Simulink to demonstrate how reliably complex modulation schemes can be built, cost effectively and efficiently [5]. The design of ZigBee transmitter using MSK modulation is shown in the Figure 1. Here we map input data bits to 8-chip PN sequences to be transmitted and results in a chip rate of two mega chips per second. After that, resultant chip sequence is send to the serial to parallel converter. It is used here to separate the odd and even bit indexed chips. Following this bipolar data formatting is performed and signal modulated with a 2.4 GHz carrier on the In Phase and QuadraturePhase data stream and adds it to get the required transmitter output signal.
Platform: | Size: 11264 | Author: sabina | Hits:

[Software EngineeringDvr-linear-harmonics

Description: This paper describes the problem of voltage sags and swells and its severe impact on non linear loads or sensitive loads. The dynamic voltage restorer (DVR) has become popular as a cost effective solution for the protection of sensitive loads voltage sags and swells. The control of the compensation voltages in DVR based on dqo algorithm is discussed. It first analyzes the power circuit of a DVR system in order to come up with appropriate control limitations and control targets for the compensation voltage control. The proposed control scheme is simple to design. Simulation results carried out by Matlab/Simulink verify the performance of the proposed method.-This paper describes the problem of voltage sags and swells and its severe impact on non linear loads or sensitive loads. The dynamic voltage restorer (DVR) has become popular as a cost effective solution for the protection of sensitive loads voltage sags and swells. The control of the compensation voltages in DVR based on dqo algorithm is discussed. It first analyzes the power circuit of a DVR system in order to come up with appropriate control limitations and control targets for the compensation voltage control. The proposed control scheme is simple to design. Simulation results carried out by Matlab/Simulink verify the performance of the proposed method.
Platform: | Size: 257024 | Author: pavan | Hits:

[matlabvf

Description: AC induction motors are the most common motors used in dustrial motion control systems, as well as in main powered home appliances. Simple and rugged design, low-cost, low maintenance and direct connection to an AC power source are the main advantages of AC induction motors. The speed control of these motors has been of great importance in order to run the motors at desired speeds. Among the various methods of speed control V/F control of induction motor is the most efficient one, in which V/F ratio is kept constant. In this project we studied about this V/F control of an induction motor and simulated it in the matlab Simulink and controlled the torque and speed of induction motor. This technology continued to be taken up further improvements all over the world till very recently.-AC induction motors are the most common motors used in industrial motion control systems, as well as in main powered home appliances. Simple and rugged design, low-cost, low maintenance and direct connection to an AC power source are the main advantages of AC induction motors. The speed control of these motors has been of great importance in order to run the motors at desired speeds. Among the various methods of speed control V/F control of induction motor is the most efficient one, in which V/F ratio is kept constant. In this project we studied about this V/F control of an induction motor and simulated it in the matlab Simulink and controlled the torque and speed of induction motor. This technology continued to be taken up further improvements all over the world till very recently.
Platform: | Size: 6212608 | Author: lavanya | Hits:

[File Format27-545

Description: Many maximum power point tracking techniques for photovoltaic systems have been developed to maximize the produced energy and a lot of these are well established in the literature. These techniques vary in many aspects as: simplicity, convergence speed, digital or analogical implementation, sensors required, cost, range of effectiveness, and in other aspects. This paper presents a comparative study of ten widely-adopted MPPT algorithms their performance is uated on the energy point of view, by using the simulation tool Simulink® , considering different solar irradiance variations.-Many maximum power point tracking techniques for photovoltaic systems have been developed to maximize the produced energy and a lot of these are well established in the literature. These techniques vary in many aspects as: simplicity, convergence speed, digital or analogical implementation, sensors required, cost, range of effectiveness, and in other aspects. This paper presents a comparative study of ten widely-adopted MPPT algorithms their performance is uated on the energy point of view, by using the simulation tool Simulink® , considering different solar irradiance variations.
Platform: | Size: 561152 | Author: iman | Hits:

[File Format278

Description: These techniques vary in many aspects as simplicity, digital or analogical implementation, sensor required, convergence speed, range of effectiveness, implementation hardware, popularity, cost and in other aspects. This paper presents in details comparative study between two most popular algorithms technique which is incremental conductance algorithm and perturb and observe algorithm. Three different converter buck, boost and cuk converter use for comparative in this study. Few comparison such as efficiency, voltage, current and power out put for each different combination has been recorded. Multi changes in irradiance, temperature by keeping voltage and current as main sensed parameter been done in the simulation. Matlab simulink tools have been used for performance uation on energy point. Simulation will consider different solar irradiance and temperature variations.-These techniques vary in many aspects as simplicity, digital or analogical implementation, sensor required, convergence speed, range of effectiveness, implementation hardware, popularity, cost and in other aspects. This paper presents in details comparative study between two most popular algorithms technique which is incremental conductance algorithm and perturb and observe algorithm. Three different converter buck, boost and cuk converter use for comparative in this study. Few comparison such as efficiency, voltage, current and power out put for each different combination has been recorded. Multi changes in irradiance, temperature by keeping voltage and current as main sensed parameter been done in the simulation. Matlab simulink tools have been used for performance uation on energy point. Simulation will consider different solar irradiance and temperature variations.
Platform: | Size: 482304 | Author: iman | Hits:

[Software EngineeringSENSORLESS_VECTOR_CONTROL_OF_BLDC_USING

Description: This Paper mainly deals with the implementation of vector control technique using the brushless DC motor (BLDC). Generally tachogenerators, resolvers or incremental encoders are used to detect the speed. These sensors require careful mounting and alignment, and special attention is required with electrical noises. A speed sensor need additional space for mounting and maintenance and hence increases the cost and size of the drive system. These problems are eliminated by speed sensor less vector control by using Extended Kalman Filter and Back EMF method for position sensing. By using the EKF method and Back EMF method, the sensor less vector control of BLDC is implemented and its simulation using MATLAB/SIMULINK and hardware kit is implemented.
Platform: | Size: 484352 | Author: matija | Hits:

[Othersingele_phase_to_3phase_svpwm_IM_VF_PI

Description: AC induction motors are the most common motors used in dustrial motion control systems, as well as in main powered home appliances. Simple and rugged design, low-cost, low maintenance and direct connection to an AC power source are the main advantages of AC induction motors. The speed control of these motors has been of great importance in order to run the motors at desired speeds. Among the various methods of speed control V/F control of induction motor is the most efficient one, in which V/F ratio is kept constant. In this project we studied about this V/F control of an induction motor and simulated it in the matlab Simulink and controlled the torque and speed of induction motor. This technology continued to be taken up further improvements all over the world till very recently.
Platform: | Size: 20480 | Author: Mohamed Said | Hits:

[Documents118

Description: As the UAV is widely applied in military action, in order to make the UAV operators operate the UAV equipment easily, we should train the UAV operator with high efficiency, high fidelity training system, which can be used in the training work in stead of the real UAV aircraft. It can heighten the training efficiency and reduce the training cost. We put forward the design project of the man-in-loop UAV flying simulator based on Matlab/Simulink, according to the flying control system’s characteristic and the request of the man-in loop simulation.
Platform: | Size: 143360 | Author: Behzad | Hits:

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