提高实际应用中低成本气体传感器设备的质量

W. Reimringer, Christian Bur
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引用次数: 0

摘要

金属氧化物半导体传感器的最新进展使系统集成商能够制造传感器设备,而不必像传统的裸传感器组件那样复杂。通过将集成传感器子系统与一小块数字基础设施相结合,似乎任何人都能组装出多传感器系统,从而为各种应用提供低成本的传感器系统或传感器网络。由于能耗低,部署网状传感器网络已成为现实,有望为大数据模型提供高密度数据。然而,数据质量并不一定是这类设备的特点,因为设备输出信号经过大量处理,而实际操作技术的洞察力则被各自的传感器制造商黑箱化了。传感器模型的大批量生产需要广泛适用的输出信息,但这种主流化对系统级的质量控制工作以及需要专门操作模式的利基应用产生了负面影响。本文对典型的金属氧化物半导体传感器应用的测量链进行了例证性研究,并推导出了在研究和商业目的下对该主题进行技术改进的要求。对于任何低成本传感器原理及其各自面临的挑战,都可以进行类似的考虑。结论敦促所有参与传感器设备开发和营销的相关人员推进科学有效的知识,并相应地教育他们的客户甚至公众。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Promoting quality in low-cost gas sensor devices for real-world applications
Recent advancements in metal oxide semiconductor sensors enable system integrators to make sensor devices without the traditional complications of operating barebone sensor components. Anyone, so it seems, can put together multi-sensor-systems by combining an integrated sensor subsystem with a small piece of digital infrastructure, resulting in low-cost sensor systems or sensor networks for all kinds of applications. With low energy consumption, the deployment of close meshed sensor networks is becoming a reality, promising high density data for big data models. However, data quality is not necessarily a feature of such devices, since the device output signals are heavily processed and the insight into the actual operating technique is black-boxed by the respective sensor manufacturer. High volume production of a sensor model requires widely applicable output information, yet this mainstreaming negatively impacts quality control efforts on the system level as well as niche applications that require specialized operation modes. This article exemplarily examines the measurement chain of typical metal oxide semiconductor sensor applications and deduces requirements for a technically sound advancement of the subject for research and commercial purposes. Equivalent considerations can be made for any low-cost sensor principle and their respective challenges. The conclusion urges all stakeholders participating in the development and marketing of sensor devices to advance a scientifically valid state of knowledge and to educate their customers and even the general public accordingly.
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