AR=B
B=(0,0.4×0.2+0.4×0.1+0.2× 0.2,0.4×0.5+0.3×0.4+0.2×0.3,0.4×0.3+0.4×0.6+0.2×0.5,0)=(0,0.16,0.38,0.46,0)
按最大隶属度原则,V4的隶属度0.46为最大,因此可以判定柴油机的状态为较差。