Development of self-powered wireless sensor nodes for internet of things applications and beyond

开发用于物联网应用及其他领域的自供电无线传感器节点

• 批准号: 568672-2021
• 负责人: Moez, Kambiz
• 金额: $ 3.64万
• 依托单位: University of Alberta
• 依托单位国家: 加拿大
• 项目类别: Alliance Grants
• 财政年份: 2021
• 资助国家: 加拿大
• 起止时间: 2021-01-01 至 2022-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=723085
• 关键词: Development; self; powered; wireless; sensor

The goal of this project is to develop self-powered wireless sensors platforms capable of sensing a variety of physical parameters and transmitting these sensed data wirelessly without requiring an internal energy source. Use of energy stored in batteries or supplied by the electricity grid through wired connections for powering wireless sensor nodes are either impossible or prohibitively costly in many emerging applications such as Internet of Things where recharging and replacing batteries for large number of portable nodes is extremely challenging, harsh environment sensors where the required batteries that withstand such conditions are not available and wired connections are extremely expensive, and biomedical implants where replacement of batteries often requires surgeries. Energy required for the operation of these self-sufficient wireless nodes can be harvested from any of these or a multitude of these ambient sources: radio frequency (RF), kinetic or vibration, thermal, and solar. RF energy harvesting, the process of scavenging energy from ambient electromagnetic waves, is among the most viable options because of the availability of RF energy with predictable strengths in presence of wireless networks. Availability of such self-sufficient wireless sensors will enable scaling IoT sensor platforms to the levels that were not previously possible resulting in significant saving and process enhancement in many industrial and consumer applications. While previously our team has made great progress toward implementing building blocks of the proposed system including RF energy harvesters with record-breaking efficiencies and ultra-low-power wireless transceivers with built-in sensing capabilities, in this project we plan to integrate and implementn all these building blocks on a single chip to produce a low-cost self-powered wireless IoT sensor platform for widespread adoption in industrial and consumer applications. This proof-of-concept prototype will enable us to attract private/government investment to start up a company to bring this ground-breaking technology to the IoT market.

该项目的目标是开发自供电的无线传感器平台，能够感测各种物理参数，并在不需要内部能源的情况下无线传输这些感测数据。使用存储在电池中的能量或由电网通过有线连接供应的能量来为无线传感器节点供电在许多新兴应用（诸如物联网）中是不可能的或成本过高，在物联网中，为大量便携式节点再充电和更换电池是极其具有挑战性的，在所需的电池不能承受这种条件并且有线连接极其昂贵的恶劣环境传感器中，以及生物医学植入物，其中电池的更换通常需要手术。这些自给自足的无线节点的操作所需的能量可以从这些环境源中的任何一个或多个环境源中获得：射频（RF）、动力学或振动、热和太阳能。RF能量收集，即从环境电磁波中收集能量的过程，是最可行的选择之一，因为在存在无线网络的情况下，具有可预测强度的RF能量是可用的。这种自给自足的无线传感器的可用性将使物联网传感器平台能够扩展到以前不可能的水平，从而在许多工业和消费应用中实现显着的节省和过程增强。虽然之前我们的团队在实现拟议系统的构建模块方面取得了很大进展，包括具有破纪录效率的RF能量采集器和具有内置传感功能的超低功耗无线收发器，在这个项目中，我们计划在一个芯片上集成和实现所有这些构建模块，以生产一个低成本的自供电的无线物联网传感器平台，广泛应用于工业和消费类应用。这一概念验证原型将使我们能够吸引私人/政府投资，成立一家公司，将这一突破性的技术带入物联网市场。