PID measuring and controlling system circuits of enginetest-bed was designed and the parameters of each element were determined.
设计了发动机实验台pid测控系统的电路，确定了各元件的参数。
2
Serial communications is one of the main functions of real-time control software used in the electronic controlled enginetest-bed.
串行通信是发动机电控试验台实时监控软件的主要功能之一。
3
The structure of one kind of diesel enginetest-bed is introduced in this paper. The depiction's emphasis is the hardware and the software of its control system.