Industrial

Yolanda lifeguard Reminders

Extra Form

Area	China
Year	2025
Award	WINNER
Affiliation	Dalian Minzu University
Designer	GuiguiLu, JiayiWang, AnqiAo, BaoxinLuan
Description(English)	Lifeguards play an important role in swimming venues. When there are potential safety hazards in some behaviors of visitors in the venue, lifeguards need to remind and warn them in time, but due to the wide venue and noisy environment, the reminders and warnings cannot be conveyed to the target object in a timely and accurate manner, resulting in accidents. YOLANDA (which may be a device or system) assists lifeguards in communicating reminders to designated subjects in a timely and accurate manner. This not only ensures the safety of tourists, but also reduces the burden on lifeguards.
Description(Native)	在公共游泳场所的安全体系中，救生员承担着至关重要的守护者角色。世界卫生组织数据显示，全球每年约有37.2万例溺水死亡事件，其中23%发生在有人值守的公共水域，这暴露出传统人工监护的固有缺陷。救生员需要同时监控数百平方米水域内数十名游客的肢体语言——从孩童的突然下沉到青少年的潜水超时，从泳姿失衡者到擅自进入深水区的初学者。然而场馆内交织着泼水声、广播声和人群喧哗，当救生员通过哨声或喊叫发出警示时，声波在开放空间的平均衰减率高达0.6dB/米，导致距观察塔15米外的游客接收音量不足初始值的30%。更严峻的是，美国水上安全协会研究发现，救生员在持续注视水面45分钟后，对移动目标的识别准确率会下降42%，这种感官疲劳与声学失效的双重困境，使得28%的安全警示无法有效传达。YOLANDA能够协助救生员及时、准确地向指定对象传达提醒信息。这不仅保障了游客的安全，也减轻了救生员的负担。
Positive Comments
Judging Comments	Lifeguards play a crucial role in ensuring safety at swimming venues, but wide spaces and noisy environments often make timely communication difficult. YOLANDA assists lifeguards in delivering precise reminders and warnings directly to specific individuals, reducing the risk of accidents and easing the lifeguards’ workload. It was praised for enhancing safety management through targeted communication and improving operational efficiency in challenging environments.

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