Location:
Search - pwm controller
Search list
Description: 摘要】 本文介绍了以AT89S51单片机为核心的温度控制器的设计,在该设计中采用高精度的温度传感器AD590对电热锅炉的温度进行实时精确测量,用超低温漂移高精度运算放大器OP07将温度-电压信号进行放大,再送入12位的AD574A进行A\D转换,从而实现自动检测,实时显示及越限报警。控制部分采用PID算法,实时更新PWM控制输出参数,控制可控硅的通断时间,最终实现对炉温的高精度控制。
【关键词】 水温控制系统
PID控制单片机
温度控制是工业生产过程中经常遇到的过程控制,有些工艺过程对其温度的控制效果直接影响着产品的质量,因而设计一种较为理想的温度控制系统是非常有价值的。
一
系统设计方案的论证与比较
根据题目要求,电热锅炉温度控制系统由核心处理模块、温度采集模块、键盘显示模块、及控制执行模块等组成。-Abstract This paper introduces the single-chip AT89S51 temperature controller at the core of the design, in the design of high-precision temperature sensor AD590 temperature of the heating boiler accurate measurement of real-time, using ultra-low temperature drift, high-precision operational amplifier OP07 temperature Part of the use of PID control algorithms, real-time PWM control output parameter update and control the on-off Thyristor time, finally achieve the high-precision control of temperature.
【Key Words】 temperature control system
PID control of single-chip
Temperature control is the process of industrial production often encountered in process control, and some of its process control temperature of a direct impact on the quality of the product and thus more desirable to design a temperature control system is very valuable.
1
System design of the demonstration and comparison programs
According to the subject requirements, electric boiler temperature control syste
Platform: |
Size: 225280 |
Author: 杨隆 |
Hits:
Description: This manual describes SAMSUNG s S3C2410X 16/32-bit RISC microprocessor. This product is designed to
provide hand-held devices and general applications with cost-effective, low-power, and high-performance microcontroller
solution in small die size. To reduce total system cost, the S3C2410X includes the following
components separate 16KB Instruction and 16KB Data Cache, MMU to handle virtual memory management,
LCD Controller (STN & TFT), NAND Flash Boot Loader, System Manager (chip select logic and SDRAM
Controller), 3-ch UART, 4-ch DMA, 4-ch Timers with PWM, I/O Ports, RTC, 8-ch 10-bit ADC and Touch Screen
Interface, IIC-BUS Interface, IIS-BUS Interface, USB Host, USB Device, SD Host & Multi-Media Card Interface,
2-ch SPI and PLL for clock generation.
Platform: |
Size: 2018304 |
Author: Quang Truong |
Hits:
Description: CS8955控制TV软件。用MCU做模拟电视的控制。-CS8955+TV+TNJ7355(tuner).The CS8955 micro-controller is an 8051 CPU core
embedded device targeted for LCD Monitor, LCD TV,
Home Appliance, or Consumer Products application.
The CS8955 is pin-out compatible with MCS-51
family .MCU. It includes an 8051 CPU core, a 64K-byte
internal program Flash-ROM, a 512-byte SRAM, 6
channels of PWM DAC, and 4 channels of 6-bit ADC
(Analog to Digital Converter). It also includes a Boot-
Code-Free ISP (In System Programming), which
allows users to update the programming codes easily.
In addition, there are two IIC Slave B ports supporting
VESA DDC 2B/2Bi/2B+/CI standards for both D-sub
and DVI interfaces in LCD Monitor/TV application. An
external 64K bytes data flash memory can be
accessed by properly setting of Port 0, Port 2 and
Port 3.6/3.7.
Platform: |
Size: 578560 |
Author: martinliao |
Hits:
Description: 介绍了以DSP为核心的励磁控制系统,利用其事件管理器能直接输出PWM波的特点,通过对永磁同步发电机的运行参数的监测与处理,自动调节复合式励磁发电机的电励磁调节器,使其输出电压保持稳定.实验结果表明该控制器性能良好,实用性强.-Introduced to the DSP as the core excitation control system, event manager to use its direct output PWM wave characteristics of permanent magnet synchronous generators of the operating parameters of the monitoring and processing, automatic adjustment composite electrical excitation generator excitation regulator , and its output voltage to remain stable. The experimental results show that good performance of the controller, practical.
Platform: |
Size: 601088 |
Author: 将建 |
Hits:
Description: 整理好的最全的S3C2440中文资料，包含18章节。如下：第1章 产品概述
第2章 处理器工作模式
第5章 内存控制器
第6章 Nand Flash控制器
第7章 时钟与电源管理
第8章 直接存储器存取
第10章 PWM及定时器
第11章 UART
第14章 中断控制器
第16章 ADC和触摸屏接口
第17章 实时时钟
第18章 看门狗定时器
第19章 MMC/SD/SDIO控制器
第20章 IIC总线接口
第21章 IIS总线接口
第22章 SPI（串行外围设备接口）
第24章 AC97控制器。
网上一般只能找到四五章节。-Finishing S3C2440 good most of the Chinese data, contains 18 chapters. As follows: Chapter 1 Product Overview Chapter 2 processor mode Chapter 5 Memory Controller Chapter 6 Nand Flash controller clock Chapter 7 and Chapter 8 Power Management direct memory access and Chapter 10 PWM timer section 11 Chapter 14 Chapter UART interrupt controller Chapter 16 ADC and touch screen interface Chapter 17 Real Time Clock Chapter 18 Watchdog Timer Chapter 19 MMC/SD/SDIO controller Chapter 20 IIC Bus Interface IIS total Chapter 21 Chapter 22 line interface SPI (serial peripheral interface) Chapter 24 AC97 controller. Internet in general can only find four or five chapters.
Platform: |
Size: 4360192 |
Author: |
Hits:
Description: 用DS18B20设计的数字温控仪，可调整输出PWM脉宽。有Protues仿真-With DS18B20 designed digital temperature controller, adjustable output PWM pulse width. There Protues Simulation
Platform: |
Size: 92160 |
Author: 素娟 |
Hits:
Description: here are the example for PWM PIC32MX4xxx 32 bit controller from microchip
Platform: |
Size: 116736 |
Author: krenal chauhan |
Hits:
Description: 采用LPC2138做控制器，利用PWM控制发射头发射超声波，然后利用定时器的捕获功能得到接收超声波的时间。-Done using LPC2138 controller, using PWM control launching the first launch wave, and then using the timer capture function was to receive ultrasonic time.
Platform: |
Size: 3744768 |
Author: niebing |
Hits:
Description: controller pwm This program was produced by the
CodeWizardAVR V1.25.9 Professional
Platform: |
Size: 31744 |
Author: ag |
Hits:
Description: 实验一 直流电机闭环控制实验
一． 实验目的
1. 学习数字PID控制器的设计方法
2. 学习PWM控制理论
3. 学习数字PID控制器在DSP上的实现方法。
二． 实验设备
计算机，CCS2.0版软件，THRS-2型实验箱，DSP仿真器，1号导线。、
三． 基础理论
-Experimental motor closed-loop control experiment has been a stream. Purpose of the experiment 1. Learning digital PID controller design method 2. Learning PWM control theory 3. Learning digital PID controller on the DSP Implementation. 2. Laboratory equipment computer, CCS2.0 software, THRS-2 experiment box, DSP emulator, No. 1 wire. , 3. Basic Theory
Platform: |
Size: 1179648 |
Author: kongyue |
Hits:
Description: SNC26000 Series is a series of 16 to 500 seconds one-channel single chip voice
synthesizer IC. It built in a 4-bit tiny controller, I/O ports, PWMIO, internal RAM,
ROM, and a PWM Direct Drive Circuit (PWM Voice). By programming through the
tiny controller, user’s varied applications including voice section combination, key
trigger arrangement, output control, and other logic functions can be easily
implemented.
Platform: |
Size: 156672 |
Author: 卢强 |
Hits:
Description: SNC21000 Series is a series of 16 to 500 seconds one-channel single chip voice
synthesizer IC. It built in a 4-bit tiny controller, I/O ports, PWMIO, internal RAM,
ROM, and a PWM Direct Drive Circuit (PWM Voice). By programming through the
tiny controller, user’s varied applications including voice section combination, key
trigger arrangement, output control, and other logic functions can be easily
implemented.
Platform: |
Size: 775168 |
Author: 卢强 |
Hits:
Description: 基于MSP430的直流电机PWM调速控制器设计-MSP430-based DC Motor PWM Speed Controller
Platform: |
Size: 184320 |
Author: 高英 |
Hits:
Description: 无刷直流电机控制系统的研究与实现
简单介绍了无刷直流电动机的工作原理，分析并确定了主回路的导通方式，控制器一是以专用芯片MC33035来进行设计，位置反馈元件有霍尔传感器反馈接口和编码器接口，开关器件采用MOSFET管，设计有转速反馈闭环控制、正反转、过电流保护等。控制器还采用89C52单片机、 MAX7219、AD667等来实现数字转速给定和转速显示。控制器二是基于PICSF4431电动机控制专用芯片，采用全数字PID控制，有转速、电流双反馈，位置反馈采用编码器反馈，开关器件采用IGBT，在PWM输出端有GAL芯片保护，防止上下桥臂直通。在控制器二中，备有两套程序，程序一是没有进行外加给定值采样，采用两两PWM全导通方式，在此情况下，电机的转矩波动明显，程序二中采用PWM导通方式，电机的转矩波动较小，运行性能较好。
-Brushless dc motor control system of research and implementation
Brushless dc briefly introduced the working principle, analysis and the main circuit conduction mode, the controller is a MC33035 special-purpose chip to design, position feedback components have hall-effect sensor feedback interface and encoder interface, switching device adopts MOSFET, design speed feedback loop control, positive &negative, over current protection, etc. Controller still through 89C52 and MAX7219, AD667 etc to achieve rotational speed and digital display is given. Controller based on PICSF4431 motor control is the special chip, using digital PID control, speed and the current double feedback, position feedback using encoder feedback, switching device IGBT power output terminals are in PWM GAL chip protection against fluctuation bridge at arm. In the second, with two sets of controller, a program is not given by sampling, plus the value of all pairwise PWM conduction mode, in this case, the motor torque
Platform: |
Size: 3568640 |
Author: 高娃 |
Hits:
Description: 以msp430F149为控制器，通过改变PWM，改变LED的亮度-To msp430F149 the controller, by changing the PWM, change the LED brightness
Platform: |
Size: 28672 |
Author: 陆万龙 |
Hits:
Description: 本课题是对直流电机PWM调速器设计的研究，主要实现对电动机的控制。因此在设计中，对直流调速的原理。，在设计中，采用了AT89C51单片机作为整个控制系统的控制电路的核心部分，在设计中，采用PWM调速方式，通过改变PWM的占空比从而改变电动机的电枢电压，进而实现对电动机的调速。-This topic is a DC motor PWM speed controller design study, the main achievement of motor control. Therefore, in design, the principle of the DC converter. In the design, using AT89C51 microcontroller as the control system the core of the control circuit in the design, the use of PWM speed control mode, by changing the PWM duty cycle to change the motor armature voltage, so as to realize the motor' s speed.
Platform: |
Size: 419840 |
Author: 路羲城 |
Hits:
Description: PWM LED controller with PCB and sources code. Designed on ARV ATTINY2313
Platform: |
Size: 107520 |
Author: pancio |
Hits:
Description: 1ms定时中断手柄、速度档、电流采样数据采集->计算速度给定->换算占空比->PWM输出-1ms timer interrupt controller, the speed profile, current sampling data collection-> calculate the speed reference-> conversion duty cycle-> PWM output
Platform: |
Size: 3072 |
Author: pengarmy |
Hits:
Description: Spatna 3E PWM module controller
Platform: |
Size: 3072 |
Author: muteki |
Hits:
Description: this program is developed for automatic lawn mower robot. it detects obstacles and change its direction. implement PWM for speed control of the motor. using PIC16F877a as a main controller and L293D as a motor driver
Platform: |
Size: 1024 |
Author: taib |
Hits: