Bench of closed circuit cooling tower that is composed of boiler ,exchanger, orifice flowmeter, water pump, micromanometer , heat indicator and so on is established.
The arithmetic of erosion to delete burr and thinning was carried out for image processing and counting of bar steel rankly on the transmission bench before bounded.
In this paper, we utilize current equipments such as dynameter and specific fuel consumption detector, and design a set of engine test bench platform based on P89C668.