Patent ID: 11858419
Assignee: XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Field: Transport (Mechanical engineering)
Classification: CPC B  G | IPC B  G

Claim 9:
10. The fatigue driving monitoring, reminding and early-warning system according to claim 2, wherein the fatigue safety index is one of four levels comprising safe road section, low-risk road section, medium-risk road section and high-risk road section;
wherein the safe road section refers to a 10 km of freeway section on which the fatigue level of each of drivers for all vehicles is the normal state;
wherein the low-risk section refers to a 10 km of freeway section on which there are greater than 0 and less than or equal to 5 vehicles whose the fatigue level of each driver is the mild fatigue;
wherein the medium-risk road section refers to one selected from the group consisting of: a 10 km of freeway section on which there are greater than 5 and less than or equal to 10 vehicles whose the fatigue level of each driver is the mild fatigue, and a 10 km of freeway section on which there are greater than 0 and less than or equal to 5 vehicles whose the fatigue level of each driver is the moderate fatigue; and
wherein the high-risk road section refers to one selected from the group consisting of: a 10 km of freeway section on which there are more than 10 vehicles whose the fatigue level of each driver is the mild fatigue, a 10 km of freeway section on which there are greater than 5 and less than or equal to 10 vehicles whose the fatigue level of each driver is the moderate fatigue, and a 10 km of freeway section on which there are more than or equal to 1 vehicle whose the fatigue level of each driver is the severe fatigue.