可验证的安全水肺潜水使用商品传感器:工作在进行中

Viren Bajaj, Karim Elmaaroufi, Nathan Fulton, André Platzer
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引用次数: 2

摘要

水肺潜水是一种潜水员使用自给式呼吸设备在水下停留较长时间的活动。潜水的安全至关重要,因为太快地改变深度或在浮出水面之前耗尽氧气都可能导致危及生命的后果。目前,通过使用腕式“空气集成”潜水计算机,可以监测时间、深度和气罐压力(通过昂贵的无线收发器或软管接收),将这些风险降至最低。对于一般的休闲潜水来说,这些电脑很贵。我们提出了一个混合系统模型和安全证明的水肺潜水计算机,估计潜水员的空气消耗使用商品心率传感器,而不是。我们采用了一个数学模型来模拟运动时的摄氧量,从而预测空气供应耗尽的剩余时间,同时也避免了使用安装在气罐上的无线发射器或笨重的软管集成计算机来直接监测气罐压力。我们正式验证了一种控制器,它能确保潜水员总是浮出水面,而不会耗尽可呼吸的空气。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Verifiably safe SCUBA diving using commodity sensors: work-in-progress
SCUBA diving is an activity in which divers remain underwater for prolonged periods by using a self-contained breathing apparatus. Diving is safety critical because changing depth too rapidly or running out of oxygen before surfacing can result in life-threatening consequences. These risks are currently minimized by using a wrist-mounted, 'air-integrated' dive computer that monitors time, depth and air tank pressure (received through expensive wireless transceivers or a hose). These computers are costly for the average recreational dive. We present a hybrid systems model and safety proof for a SCUBA diving computer that estimates air consumption of the diver using commodity heart rate sensors, instead. We employ a mathematical model of oxygen uptake in response to exercise and thereby predict the time remaining for the air supply to be depleted, as well as obviate the need for a tank-mounted wireless transmitter or the cumbersome hose integrated computer for directly monitoring tank pressure. We formally verify a controller that ensures the diver can always surface without running out of breathable air.
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