GẬY DẪN ĐƯỜNG THÔNG MINH DÀNH CHO NGƯỜI KHIẾM THỊ=SMART WALKING STICK FOR VISUALLY IMPAIRED PEOPLE

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Tác giả: Thân Đức Trường

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Tạp chí Khoa học - Đại học Thủ Dầu Một, 2024

Mô tả vật lý: tr.67-74

Bộ sưu tập: Metadata

ID: 480386

Thêm vào giỏ

Người khiếm thị trong quá trình di chuyển của họ sẽ gặp rất nhiều chướng ngại vật cũng như khó khăn phía trước họ. Vì vậy, họ thường phụ thuộc vào những hỗ trợ từ bên ngoài như có người dẫn đường, chó được huấn luyện, những cây gậy dài bất kỳ. Do giá thành rẻ nên gậy trắng thường được người khiếm thị sử dụng. Tuy nhiên, gậy trắng truyền thống không thể phát hiện chính xác các chướng ngại vật cao hơn đầu gối hoặc ở khoảng cách vượt quá chiều dài của gậy trắng. Do đó, mục tiêu đề ra trong bài viết là tạo ra được một cây gậy thông minh có thể hỗ trợ người khiếm thị phát hiện vật cản giúp cảnh báo nguy hiểm phía trước, cũng như có giám sát vị trí giúp người chăm sóc dễ dàng theo dõi vị trí người sử dụng và giá cả phải chăng để dễ dàng tiếp cận với những người khiếm thị có hoàn cảnh khó khăn. Dựa trên những mục tiêu đề ra tôi đã sử dụng những cảm biến dễ tìm và kiểm tra hoạt động của từng cảm biến riêng lẻ thực hiện những nhiệm vụ nhỏ sau đó sẽ đóng gói thành một sản phẩm hoàn chỉnh. Thiết bị bao gồm một cảm biến siêu âm và cảm biến hồng ngoại để phát hiện chướng ngại vật phía trước, một động cơ rung và còi báo động. Module GPS tích hợp cho phép theo dõi vị trí của cây gậy và người dùng và có cảm biến góc nghiêng để phát hiện tình trạng của gậy sẽ gửi thông báo tới người chăm sóc khi phát hiện gậy bị ngã.Visually impaired people when they move will encounter many obstacles and difficulties ahead of them. Thus, they often depend on outside support such as guides, trained dogs, and any long canes. Because of their low cost, white canes are often used by the blinds. However, traditional white canes cannot accurately detect obstacles higher than the knee or at distances beyond the length of the white cane. Therefore, the goal set out in the article is to create a smart cane that can assist blind people in detecting obstacles to warn of dangers ahead, as well as have location tracking to help caregivers easily track the user's location and are affordable to make it easily accessible to disadvantaged visually impaired people. Based on the set goals, I used easy-to-find sensors and tested the operation of each individual sensor to perform small tasks that were then packaged into a complete product.The device includes an ultrasonic sensor and infrared sensor to detect obstacles ahead, a vibration motor and siren. A built-in GPS module that allows tracking the location of the cane and the user and has a tilt angle sensor to detect the status of the stick will send a notification to the caregiver when the stick is detected falling.

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