The result of long - term operation shows that the computer control system is practical and effective , it can run in the optimal state within a long duration to fully realize data collection and process , remote data transmission and vfvs constant injection control of pumps . it speeds up the automatic procedures of the seawater treatment process , really realizes the unmanned working , decreases the physical intensity to a large extent , improves the management , enhances the management level , avoids equipment wear down as much as possible , makes the seawater treatment efficient and lessens the cost of production 长期的运行结果表明,该计算机控制系统的实施切实有效,既成功实现了对被检测参数的数据采集与处理、远传以及注水泵机组的变频调速恒压注水控制,又提高了系统的自动化程序,真正实现了无人值班作业,在很大程度上降低了工作人员的劳动强度,极大的改善了现场的管理状况,提高了生产管理水平,且有效避免了设备损耗,提高了水处理效率,降低了生产成本。
This dissertation delivers ecu hardware design scheme and discusses its feasibility ; designs ecu hardware circuit based on mcu , including ecu input and output signal processing channel , and the emigration of c / os embedded real time operating system on mcu lpc2292 ; designs fuel injection control project software procedure , and simulate it . it implements the open loop control of air fuel ratio under part of the motor working condition 在充分进行可行性论证的基础上,完善了ecu的硬件设计总体方案;设计了基于单片机的ecu硬件单元电路,包括ecu的输入、输出信号处理通道以及c / os嵌入式实时操作系统在lpc2292单片机上的移植;设计了燃油喷射控制项目的软件流程;最后通过模拟仿真,实现了发动机部分工况下的空燃比的开环控制目标。