4、关部分附有硬件电路图、程序流程图。 经实验证明,这套系统软硬件设计合理、抗干扰能力强、实时性良好,经过系统扩展和升级,可以有效地解决汽车倒车、建筑施工工地以及一些工业现场的位置监控[2]。 关键词:AT89s52; 超声波;测距 35毕业设计(论文) Abstract With the development of science and technology, the improvement of people's standard of living, speedin
5、g up the development and construction of the city. urban drainage system have greatly developed their situation is constantly improving. However, due to historical reasons many unpredictable factors in the synthesis of her time, the city drainage system. In particular drainage system often lags
6、 behind urban construction. Therefore, there are often good building excavation has been building facilities to upgrade the drainage system phenomenon. It brought to the city sewage, and it is clear to the city sewage and drainage culvert in the sewage treatment system. comfort is very importan
7、t to people's lives. Mobile robots designed to clear the drainage culvert and the automatic control system Free sewage culvert clear guarantee robot, the robot is designed to clear the culvert sewage to the core. Control System is