针对智能AGV路径规划,提出一种改进型A*算法.通过环境模型的建立,把智能AGV运行环境地图进行栅格化和膨胀化处理.分析了传统A*方法存在的弊端,并结合智能AGV行驶路径的特点,提出一种基于动态环境、奖惩机制和转弯半径的改进型A*算法,使改进后A*算法规划出的最优路径更加符合智能AGV运行要求.

The energy source of the system is provided by 12V lithium battery with large capacity .The system is mainly con-trolled by MCU STC12C5A 60S2.Choosing attitude sensors for obtaining tilt angle and tilt angle velocity information of the conveyor . Dc motor MAXON 139885driven circuit is mainly composed of LM298N.As the deviation, the difference between with speed given and the bigger wheel speed , measured by two photoelectric encoder , is input to incremental PID controller .Three RPR220 and one LM339M are built three-road detection circuits, with the circuits reliable route information can be got .Two E18 -D80NK can measure different distance obstacles in front of .The system introduces the LC7461 and VS1838 to make the infrared control .The LCD YB12864 -ZA display some information of the conveyor .

现在的家用电器不管是款式还是数量都越来越多,多孔插座的需求量也日渐增多.不具备保护功能的插座已不能满足人们的要求,能够保护甚至控制用电设备的插座现已备受人们的青睐.此次设计的智能插座就是这样一种插座.MCU采用STC89C52单片机,再配备DS1302、ADC0832和YB12864-ZA等主要元器件,组成了多功能智能插座.这种插座具有过载保护、定时通断负载、自动报警、闹钟提示等智能功能.

Infrared remote controllers are widely used in household electrical appliances.Infrared signal decoding methods are various in the application of embedded system.The hardware structure and software programming ideas of infrared remote controller decoding are briefly introduced.Aiming at two conventional infrared coding structure,the specific method which uses gating control mode of 51 MCU 's timer for decoding is described,and the coding paradigm and the software flowchart are given.

本文阐述了基于ComPort控件的delphi高级通信调试助手的软件设计。设计面向以51汇编语言编程的单片机,针对上下位机通信的特点,研究并设计了用于51单片机系统的通信和控制协议,提出了上位机应用程序的总体设计框架与基于ComPortLibrary控件的delphi高级通信调试助手的软件设计方法和实现途径,程序兼容了传统通信助手软件的特点,实现了与汇编语言源程序变量名与注释的接口,配合单片机的通信程序可以实时观察单片机内存变量,改善了传统通信助手无法实时观察变量单元内容的缺点,提供了程序开发者调试单片机程序的手段,提高了调试的效率。

介绍一个远程多级联动加压泵站计算机自动控制系统的硬件、软件的结构组成和设计要点,重点描述了开关量输入信号的获得和软、硬件抗干扰措施。

Introduces a system with host-computer and slave-computer combined, through which it can learn about the coding stream, can choose suitable infrared remote-controller for scientific research products by comparing, and can judge the stability for pulse.

The paper presents a design and realization of intelligent instrument which can be used in wide scope water turbidity measurement by combining the techniques of MCU and automatic instrument, the system with good linearity and high sensitivity is practical and cheaper, it was proved effective run in practice.

简介GSU-14 GPS接收板的特性及输出的信息.根据实际应用,描述GPS接收板与单片机的接口以及从其中提取信息的程序设计.

介绍了用89C2051单片机系统对水处理设备工作的控制,使水处理设备能全面、可靠、无人值守地工作,达到智能的档次.文中描述了水处理设备控制器的软件设计和硬件设计.

论述了MCS-51系列单片机堆栈特点、开辟方法和应用技巧,并指出了堆栈的不当使用及其原因.