A wearable intelligent blind guide system and method

Abstract

The invention discloses a wearable intelligent guide system. The wearable intelligent guide system comprises a ground barrier direction device and an aerial barrier direction device. The ground barrier direction device comprises a single-chip microcomputer, a voltage follower, an inclination sensor, a pressure strain gauge, a foot ultrasonic sensor, a fixing frame, a supporting frame and a foot fixing belt, wherein the supporting frame is used for fixing the single-chip microcomputer, the fixing frame is used for fixing the supporting frame at the front end of a shoe of a user, and the foot fixing belt is used for preventing the supporting frame from falling off a vamp. The aerial barrier direction device comprises a waist fixing belt, a waist ultrasonic sensor, an accelerometer and a vibrator, the pressure strain gauge is installed in the position of an insole of the shoe and used for sensing the pressure of a foot when the user walks and triggering the foot ultrasonic sensor to detect the distance of a ground barrier, and the waist ultrasonic sensor is used for detecting the distance between an aerial barrier and the user and informing the user through the vibrator. The wearable intelligent guide system and the intelligent guide method have the advantages of being easy to wear, high in real-time performance, strong in reliability, low in cost and the like.

Description

technical field [0001] The invention belongs to the field of human-computer interaction and rehabilitation aids, and more specifically relates to a wearable intelligent blind guiding system and method. Background technique [0002] China is the country with the largest number of blind people in the world, and the visually impaired or totally blind people account for about 20% of the world's 45 million blind people. People perceive all kinds of information in the outside world, and at least 80% of the outside information is obtained through vision, which brings great difficulties to blind people in life. How to walk safely is the biggest problem in the life of blind people. Blind people mainly rely on blind guide devices when walking alone. The simplest and most commonly used device is a common walking stick, which can help blind people find obstacles within 0.5 meters by tapping on the ground. Its main disadvantage is that it cannot detect obstacles that are farther away a...

AI Technical Summary

Problems solved by technology

At present, the development of blind guide system as an assistive device for the disabled is relatively slow. The main reason is that the external information is complicated, it is difficult to make a clear trajectory plan, and the high cost is difficult to be accepted by ordinary people.

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