Description: 此开关稳压电源由AT89S52单片机作为控制核心。系统包括AD采样，PID控制，PWM输出，构成闭环系统。交流电源输入到整流模块，经整流滤波后输出平稳的直流电压。该直流电压直接输出至IGBT全桥变换器模块。高精度AD转换器将后端输出的电压电流信号由模拟信号量变为数字量供给单片机进行数字PlD运算，经过PID控制运算后，由控制模块输出PWM调制波形至IGBT栅极，构成一个闭环系统，控制电压稳定输出，从而实现开关稳压电源控制系统。此外，可由键盘输入欲得电压值，从LCD显示实际电压值，人机交互界面友好。-This switching power supply control by the core as a single-chip AT89S52. AD sampling system, PID control, PWM output, constitute a closed-loop system. AC power input to the rectifier module, after filtering by the rectifier output DC voltage stable. The output DC voltage directly to the IGBT full-bridge converter modules. Precision will be the back-end AD converter output voltage and current signals from the analog signal into a digital quantity to supply the number of single-chip computing PlD, after PID control algorithms, the control module from the output PWM waveform modulation IGBT gate to form a closed-loop system, the control voltage output, in order to achieve switching power supply control system. In addition, by欲得keyboard input voltage from the LCD displays the actual voltage value, user-friendly human-computer interaction. Platform: |
Size: 46080 |
Author:周陶钧 |
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Description: This power converter in matlab with no transformer. The full control is using. PID controller for the gating signal of SCR. The phase angle has been controlled-This is power converter in matlab with no transformer. The full control is using. PID controller for the gating signal of SCR. The phase angle has been controlled Platform: |
Size: 10240 |
Author:Yung |
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Description: FPGA Implementation of QFT based Controller for
a Buck type DC-DC Power Converter and
Comparison with Fractional and Integral Order PID
Controllers Platform: |
Size: 823296 |
Author:Revathy |
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Description: 针对光伏并网发电系统中关健部件—逆变器的结构设计与控制方法研究进行了详细分析
和阐述。从电网、光伏阵列以及用户对逆变器的要求出发, 分析了各种不同的逆变器拓扑结构与控
制方法, 比较其运行效率和控制效果。对于本文提出了一种基于全桥变换器的正弦波逆变电源的整体设计
方案。文章首先对系统设计中将使用到的DC/DC变换器，DC/AC变
换器以及PWM控制技术在理论上进行了深入的研究。并讨论了数字
式PID控制算法的实现和在系统中的应用，还针对这种基于全桥变换
器的正弦波逆变器提出了一种用一个电压闭环来调节两个控制量的
PID算法。
其次，文章设计了基于全桥变换器、全桥逆变器和以DSP为核
心的逆变电源控制电路，详细介绍了各相关电路模块的原理与结构。
在完成电路参数设计以后，通过使用MATLAB/Simulink软件对整个
系统进行了仿真分析。并对系统软件设计的思路与实现方法以及关键
程序的流程进行了介绍。
最后，通过系统的带载实验对整套系统软硬件设计的合理性进行
了验证。实验结果表明，本文设计的逆变电源硬件电路和软件系统是
成功的。
-The paper comes up with a full-package solution to convert solar power
into AC.This solution is based on the design of the full-bridge converter
and the full-bridge inverter.This paper first gives full analysis on the
theories of power switching technology,inverter technology and PWM
technology.And the theory and fulfillment of PID algorithm are
discussed in this paper.Especially for this solution,this paper comes up
with a PID algorithm in which two variables are being controlled in one
close-loop.
Then,this paper gives the procedure to calculate the main circuit
parameters.The design of digital controlling circuit and assistant circuits,
such as MOSFET driving circuit and voltage protection circuit,are
introduced.Based on the parameters worked out,the paper gives the
simulation of whole system in Matlab/Simulink.This paper also
introduces the firmware design based on the DSP（TMS320F2812）.
The last is the verification of whole system including hardware and
software by t Platform: |
Size: 1939456 |
Author:fmx |
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Description: 运用PID调节器，实现直流电机在带动负载的情况下也能稳定的运行。运用A/D转换芯片将滑动变阻器的模拟电压转换为数字量作为控制直流电机速度的给定值；用压控振荡器模拟直流电机的运行（电压高-转速高-脉冲多），单片机在单位时间内对脉冲计数作为电机速度的检测值；应用数字PID模型作单片机控制编程，其中P、I、D参数可按键输入并用LED数码显示；单片机PWM调宽输出作为输出值，开关驱动、电子滤波控制模拟电机（压控振荡器）实现对直流电机的PID调压调速功能。-Use of the PID controller, to achieve stable operation of the DC motor to drive the load. The use of A/D converter chip analog voltage conversion of the sliding rheostat for digital control of DC motor speed for a given value the operation of the voltage-controlled oscillator analog DC motor (high voltage- high speed- multi-pulse), the microcontroller in the unit count as a motor speed detection value of the pulse time MCU control programming of application of digital PID model, where P, I, D parameter can be the key input and with LED digital display microcontroller PWM width modulated output as the output value, the switch driver, electronic filtering control the simulated motor DC motor speed control function of the PID regulator. Platform: |
Size: 314368 |
Author:秦军红 |
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Description: 以双向DC-DC变换器为例，通过双向控制模型的分析，采用PID 补偿环节的单电压闭环实现了BDC系统闭环稳定。-Bi-directional DC-DC converter, for example, through the analysis of the two-way control model, the single-voltage closed-loop PID compensation link to achieve a the BDC system closed-loop stable. Platform: |
Size: 233472 |
Author:田文 |
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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 Platform: |
Size: 437248 |
Author:闵国旗 |
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