The effect of engine load, driving wheel slip and working resistance on tractor抯 performance and economics is analyzed in this paper. By comparing all kinds of control theories, fuzzy control theory, which is best suitable for this system, is applied. I designed the control system on the basis of 80C196KC. Singlechip microcomputer program is designed with MCS96, whileas long-distance monitoring program, which can communicated with singlechip microcomputer by serial port, with VC++6.O. D掄td. conveyed in differential signal form, which can convey fiuther than RS-232.
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