纺织学报 ›› 2021, Vol. 42 ›› Issue (08): 135-143.doi: 10.13475/j.fzxb.20201104410

• 服装工程 • 上一篇    下一篇

具有安全防护功能的智能盲人服设计

金鹏1,2, 薛哲彬3(), 江润恬3, 刘丹宇3, 张弛3   

  1. 1.江南大学 纺织科学与工程学院, 江苏 无锡 214122
    2.东华大学 服装与艺术设计学院, 上海 200051
    3.江南大学 设计学院, 江苏 无锡 214122
  • 收稿日期:2020-11-23 修回日期:2021-05-17 出版日期:2021-08-15 发布日期:2021-08-24
  • 通讯作者: 薛哲彬
  • 作者简介:金鹏(1996—),男,博士生。主要研究方向为服装科技与智能服装设计。
  • 基金资助:
    国家自然科学基金青年科学基金项目(61503154);中国国家留学基金资助项目(201806795029);教育部人文社会科学研究规划基金项目(20YJAZH087)

Design of smart protective clothing for blind people

JIN Peng1,2, XUE Zhebin3(), JIANG Runtian3, LIU Danyu3, ZHANG Chi3   

  1. 1. College of Textile Science and Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
    2. College of Fashion and Design, Donghua University, Shanghai 200051, China
    3. School of Design, Jiangnan University, Wuxi, Jiangsu 214122, China
  • Received:2020-11-23 Revised:2021-05-17 Published:2021-08-15 Online:2021-08-24
  • Contact: XUE Zhebin

摘要:

针对盲人出行困难及安全性不足的问题,从智能服装设计角度提出一种具有安全防护功能的盲人服。从警示功能与防护功能角度出发,在服装胸、腰、手腕处缝制反光条,在颈、胯、手肘、膝盖部位缝制可拆卸式气囊;从盲人日常出行需求出发,利用嵌入式技术为服装载体设计探路功能、摔倒检测与防护功能、未起身报警功能;利用基于支持向量机的特征值提取方法确定摔倒判定的阈值。结果显示:相较于普通服装,盲人服在厚重感、宽松感方面的舒适性差,在七分制评分下其总体舒适性评分低0.14分;在距离20 m以内的昏暗环境中,盲人服具有评分“良好”的警示效果,其对左右障碍物辨识度可达100%;设置传感器合加速度与合角速度阈值为27.44 m/s2及60 (°)/s时, 系统对摔倒判定成功率可达100%;未起身报警功能可有效保护无法自行起身的穿着者,并通过短信与网页显示及时通知监护人。

关键词: 智能盲人服装, 摔倒检测, 防护功能, 警示功能, 服装设计

Abstract:

Aiming at the walk difficulty and deficient safety encountered by blind people, a smart protective clothing was proposed from the perspective of intelligent clothing design. To highlight the visibility of the wearers, reflective strips were added on the chest, waist and wrist of clothing, and detachable airbags were equipped on the neck, crotch, elbow and knee to provide protection. In addition, starting from the daily travel needs of the blinds, embedded sensor systems were used for path way exploration, fall detection and protection, and for warning when falling without standing up. The eigenvalue extraction method based on support-vector machine was used to determine the threshold value for fall judgment. The results show that compared with ordinary clothing, the comfort of the protective clothing is poor in heaviness and looseness, and the overall comfort score is 0.14 lower under the seven point system. The clothing achieves "good" score in sending warning signals in the dim environment within 20 m, and the recognition of the clothing pathfinding function to the side obstacles reaches 100%. The sensor acceleration and angular velocity threshold is 27.44 m/s2 and 60 (°)/s with a success detect rate of 100%, and under the situation where none standing up is detected, the guardian of the wearer will be informed through short message and web page display.

Key words: smart clothing for blind people, fall detection, protection function, warning function, clothing design

中图分类号: 

  • TS941.73

图1

日常动作示意图"

表1

动作数据集"

动作集 佩戴位置 受测试人数 采样频率/Hz 样本数
D 后颈 23 100 1 765
F 后颈 23 100 1 133

图2

服装结构图与硬件放置位置"

图3

舒适度主观评价分值"

表2

衡量标尺"

标度 含义
1 表示2个因素相比,具有同样重要性
3 表示2个因素相比,一个因素比另一个因素稍微重要
5 表示2个因素相比,一个因素比另一个因素明显重要
7 表示2个因素相比,一个因素比另一个因素强烈重要
9 表示2个因素相比,一个因素比另一个因素极端重要
2,4,6,8 上述两相邻判断的中值

表3

服装醒目性测试数据"

服装 评分均值/分
5 m 10 m 20 m 50 m
盲人服 3.7 3.5 3.0 1.4
普通服装 1.1 0.5 0.2 0.0

图4

后侧摔倒气囊展开效果测试"

图5

合加速度与合角速度变化情况"

图6

Web报警页面"

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