engine digital test and control system ,which bases on international standard and open-type design philosoply , is up-to-date digital control system developed by Nanfeng company and can meet individual requirements of customers . Control system has distinguished capability of switch-in and extension by adopting master-slave structure .ADVANTECH industrial control computer is selected to be the core part of the system which can realize control of dynamometer and engine by using digital dual-circuit PID control technology and fulfill functions of collecting , processing and control software and special interface circuit . Furthermore ,the system reserves interfaces for themoshock system , conditioning units and dynamometer-drive-engine system ect. To realize collective control and automotive of test-bed .

Main Technical specification :

(in accordance with relative regulations of GB/T18297-2002,GB/T19055-2003)

Control accuracy of constant torque excels ±0.2%FSR

Control accuracy of constant speed excels ±5r/min

Measuring accuracy of torque excels ±0.4%FSR

Measuring accuracy of speed excels ±1r±1 digit

Engine digital test and control system