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Description: MATLAB仿真IS-95开环闭环功率控制
-MATLAB simulation IS-95 open-loop power control loop
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Size: 75498 |
Author: 王雷 |
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Description: MATLAB仿真IS-95开环闭环功率控制
-MATLAB simulation IS-95 open-loop power control loop
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Size: 74752 |
Author: 王雷 |
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Description: 无刷直流电机开环程序 电机功率500w 4对极-Open-loop brushless DC motor Motor Power 500w 4 program a very
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Size: 22528 |
Author: talent |
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Description: 基于Multism的开环和闭环降压电路的仿真实验,电力电子课程设计-Multism based on open-loop and closed-loop step-down circuit simulation, power electronics curriculum design
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Size: 60416 |
Author: 程清远 |
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Description: Simulink and Stateflow model of IS-95A CDMA reverse traffic channel power control. Includes reverse traffic channel physical layer, together with open and closed loop algorithms for base station and mobile implemented as state machines with Stateflow.
MATLAB 6.5 (R13)
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Size: 97280 |
Author: Rafal |
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Description: 本程序主要是单片机控制的DC—DC开关电源系统的软件设计。
闭环反馈控制功能：在开环控制的基础上，设置一个反馈控制触发按键，该按键按下时，启动闭环控制程序，将电源输出电压反馈到单片机中，并由闭环算法调整输出矩形波的占空比，使得重新输出的电压与数码管显示电压误差减小。-A DC-DC system controlled by single chip, including the realization of the hardware as well as the software of the system. The chip AT89S52, chip TL494, and the A/D chip ADC0804 matching with the outside circuit realize the hardware part of the system. The software controls the PWM to generate a DC power supply ranging from 5V to 10V in condition of an input voltage ranging from 20V to 30V. The integration of two parts implements the effect of Open-loop Control and Close-loop Control.
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Size: 3072 |
Author: yiyuzhiming |
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Description: The MC34119 is a low power audio amplifier intergrated circuit intended
(primarily) for telephone applications, such as in speakerphones. It provides
differential speaker outputs to maximize output swing at low supply voltages
(2.0 V minimum). Coupling capacitors to the speaker are not required. Open
loop gain is 80 dB, and the closed loop gain is set with two external resistors.
A Chip Disable pin permits powering down and/or muting the input signal.
The MC34119 is available in standard 8–pin DIP, SOIC package, and
TSSOP package
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Size: 253952 |
Author: lwb |
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Description: IS-95A Reverse Traffic Channel
Open and Closed Loop Power Control
complete simulink simulation
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Size: 22528 |
Author: bilal |
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Description: Switch-Mode Power Supplies SPICE Simulations and Practical Designs；Boost converter: a simple open-loop boost converter-Switch-Mode Power Supplies SPICE Simulations and Practical Designs Boost converter: a simple open-loop boost converter
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Size: 6144 |
Author: 刘璐 |
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Description: 在聚光型太阳能热发电系统中。聚光装置需要实时跟踪太阳。以提高发电效率，在开环控制的太阳跟踪系统中，太阳位置的计算精度更为重要。比较了几种常用计算太阳位置的简单方法，并总结出一种算法简单的
高精度太阳位置计算方法，此方法的高度角、方位角计算最大误差分别为O．05，O．13-In the concentrating solar thermal power systems. Need real-time tracking solar concentrator devices. To improve power generation efficiency, the open-loop control of the solar tracking system, the sun' s position accuracy is more important. Compares several commonly used simple way to calculate the position of the sun, and concluded that an algorithm simple method of calculating high-precision position of the sun, this method of elevation angle, azimuth calculating the maximum error of O. 05, O. 13
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Size: 380928 |
Author: |
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Description: WCDMA 无线接入系统介绍
提纲
• What is spread spectrum.
• Spreading.
• Correlation and RAKE receiver.
• Uplink and Downlink Diversity.
• WCDMA Power control.
– Closed loop.
– Open loop.
• WCDMA handovers.
– Soft handover.
– Softer handover
-Introductio to WCDMA
Outline
• What is spread spectrum.
• Spreading.
• Correlation and RAKE receiver.
• Uplink and Downlink Diversity.
• WCDMA Power control.
– Closed loop.
– Open loop.
• WCDMA handovers.
– Soft handover.
– Softer handover.
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Size: 275456 |
Author: sky_jks |
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Description: 基于tms320lf2407逆变电源开环控制-Based tms320lf2407 power inverter open-loop control
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Size: 36864 |
Author: rony |
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Description: MC33035无刷直流电机控制器采用双极性模拟工艺制造，可在任何恶劣的工业环境条件下保证高品质和高稳定性。该控制器内含可用于正确整流时序的转子位置译码器，以及可对传感器的温度进行补偿的参考电平，同时它还具有一个频率可编程的锯齿波振荡器、一个误差信号放大器、一个脉冲调制器比较器、三个集电极开路顶端驱动输出和三个非常适用于驱动功率场效应管（MOSFET）的大电流图腾柱式底部输出器。此外，MC33035还有欠锁定功能，同时带有可选时间延迟锁存关断模式的逐周限流特性以及内部热关断等特性。其典型的电机控制功能包括开环速度、正向或反向、以及运行使能等。-The MC33035 brushless DC motor controller uses bipolar analog process manufacturing, to ensure high-quality and high stability in harsh industrial environmental conditions. The controller contains can be used for the rotor position decoder of the correct timing of the rectifier, as well as of the temperature of the sensor to compensate for the reference level, while it also has a programmable frequency sawtooth oscillator, an error signal amplifier, a pulse modulator comparator, three open collector top drive output and three very suitable for high-current drive power field-effect transistor (MOSFET) the bottom of the totem pole output. In addition, MC33035 also owe lock function with selectable time delayed latched shutdown mode cycle-by-cycle current limiting characteristics, and internal thermal shutdown. Typical motor control functions include open loop speed, forward or reverse, and run enable.
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Size: 35840 |
Author: lushuai |
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Description: 论文总结了CDMA通信系统功率控制的目的和方法，重点介绍了基于信噪比的功率控制算法，最后利用
MATLAB工具，对开闭环结合的功率控制方法进行了仿真，给出了实验结果。-The paper summarized the objection and method of CDMA power control，described the algorithm based on SIR．
Finally，the paper gives asimulation in open—loop and closed—loop control．
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Size: 198656 |
Author: 赖愉 |
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Description: This matlab file explains the operation of Boost and buckboost converter with open loop as well as closed loop operation for voltage regulation and power factor improvement.-This matlab file explains the operation of Boost and buckboost converter with open loop as well as closed loop operation for voltage regulation and power factor improvement.
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Size: 80896 |
Author: Navaneethan K |
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Description: apf的谐波检测 利用瞬时无功理论搭建开环和闭环检测环节的simulink仿真-Simulink simulation of harmonic detection of APF theory to build the open-loop and closed-loop detection process using instantaneous reactive power
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Size: 23552 |
Author: 董浩 |
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Description: 提高电源的动态响应 非线性和复杂的系统是一个转换器 电力电子的有趣的挑战。摘要介绍了 设计和实现数字PID控制器使用 混沌粒子群优化(复)提振 转换器,提出了自动调优转换器的方法 最优启动响应。当系统启动时,处理器 单元分析了开环启动响应转炉和 在一些迭代使用复准备最佳反应 算法。使用逻辑映射混沌映射序列 增加它的收敛速度和精度。模拟 和实现结果显示提出的效率 方法-Improving dynamic response of DC-DC
converters which are nonlinear and complicate systems is an
interesting challenge in power electronics. This paper presents the
design and implementation of digital PID controller using the
chaotic particle swarm optimization (CPSO) for a Boost
converter and proposes an approach for auto tuning converter
optimum startup response. When the system starts, processor
unit analyses the open loop startup response of converter and
prepares optimum response during some iteration using CPSO
algorithm. Chaotic mapping using logistic map sequences
increases its convergence rate and resulting precision. Simulation
and Implementation results show efficiency of proposed
approach
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Size: 437248 |
Author: 闵国旗 |
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Description: In this paper, an analysis is given on open-loop control of the transmitted active power using a TCSC in a power
transmission line, and its sensitivity to parameter variations is investigated. The performance of the closed-loop
TCSC with PID and very simple fuzzy controllers is compared in 2 di erent cases. The simulation results show
that when using a FLC for the TCSC, the transmitted power has less variation and better dynamic response
than a PID controller
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Size: 215040 |
Author: hamid |
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Description: open loop luo convertor
Voltage Lift Technique has been successfully employed in
design of DC/DC converters, e.g. four series Luo-Converters.
However the output voltage increases in arithmetic
progression. Luo series Elementary, Re-lift and Super- lift
converters introduces a novel approach – Super Lift technique
that implements the output voltage increasing in geometric
progression. It effectively enhances the voltage transfer gain
in power series.
In conclusion, a new series of DC/DC converters – Positive
Output Super-Lift Converters have been successfully created.
It effectively increased the voltage transfer gain in the power
series. It is also observed that the experimental results were
better than the theoretical ones, especially when the circuits
were operated within the most effective frequency range. This
series of Luo-converters will also be applied in industrial
applications.
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Size: 9216 |
Author: prathap |
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Description: There is a possibility that firrther splits in our ac networks might be convenient or
necessary. Such splits may be desired to prevent loop flows and other transmission constraints
fbtstrating open and efficient use of the transmission grid. A purely technical reason could
also make further divisions desirable. That is, increased regional generating capacity without a
corresponding increase in transmission capacity across key transmission ‘interfaces between
generation/load regions could lead to reduced synchronizing capability on those interfaces.
Section 8 addresses two examples where future synchronizing capability between regions interior
to the eastern U.S. network might dimini& to levels low enough to warrant some action. In such
cases, it may prove more economical to split the ac network and reconnect at selected buses with
back-to-back dc links than it would be to add new ac lines or reinforce the existing ac lines.
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Size: 6099968 |
Author: ash |
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