Patent ID: 9142115
Filing Date: 2015-09-22
Classification: B60K,G08B

Abstract:
1. A method for detecting fatigue comprising the following steps: obtaining a plurality of physiological feature data of a user from a device in continuous time to generate a feature sequence; computing a feature curve based on the feature sequence; computing a rate of drop based on the feature curve; determining whether a first condition is met, wherein the first condition is that the rate of drop is larger than a threshold for a first duration; determining the fatigue level of the user depending on the first condition; calculating a difference of rate of drops; determining whether a second condition is met, wherein the second condition is that the difference falls within a threshold interval for a second duration; and determining the fatigue level of the user depending on the first condition and the second condition, wherein a second warning message is generated when the first condition and the second condition are met.