Test & Measurement - September 2019
See how the latest test tools and methodologies are enabling new applications in aerospace, automotive, communications, and other key fields. This compendium of recent articles is presented by the editors of Tech Briefs, Aerospace & Defense Technology, and Automotive Engineering.
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Overview
The September 2019 Special Report on Test & Measurement delves into the advancements and challenges in the realm of mission-critical Internet of Things (IoT) applications. It emphasizes the distinction between general IoT devices and those designed for mission-critical environments, where reliability, security, and performance are paramount due to the potential consequences of device failures.
The report outlines the essential requirements for mission-critical IoT, which include robust performance in harsh environments, precision and accuracy for synchronized manufacturing processes, low latency for real-time communication, programmability for adapting to new processes, scalability for large networks, and ultra-high reliability for long-term operation. Security and interoperability with legacy systems are also highlighted as critical factors.
A significant focus is placed on the design and testing of IoT devices. The report identifies key challenges in the device layer, such as optimizing battery life for devices that may operate for years without maintenance, ensuring compliance with various wireless standards, and achieving interoperability among devices. The need for rigorous testing and measurement tools is underscored, as these tools are vital for validating the performance and reliability of mission-critical IoT systems.
The report also discusses the technological advancements that have propelled the growth of mission-critical IoT. It notes that many modern IoT devices possess processing capabilities comparable to early supercomputers and are often powered by long-lasting batteries. The integration of high-performance radios and advanced communication protocols has further enhanced the functionality of these devices, enabling them to operate effectively in complex environments.
In addition to the overarching themes of mission-critical IoT, the report features specific articles and tech briefs that explore various testing technologies. Topics include selecting force measurement solutions to minimize variables in tensile testing, troubleshooting and debugging using oscilloscopes, and testing military vehicle steering systems. Each article provides insights into the methodologies and technologies that can improve testing accuracy and efficiency.
One notable tech brief discusses the development of a DLP-based pyrometer for measuring aircraft surface temperatures, which addresses the challenges posed by vibrations during flight. This innovative approach utilizes digital light processing technology to enhance measurement stability and accuracy, showcasing the potential for applying commercial components in novel ways.
Overall, the Special Report emphasizes the importance of a strong foundation in testing and measurement for the success of mission-critical IoT. It calls for collaboration among designers, engineers, and service providers to tackle the challenges inherent in this rapidly evolving field. As the number of connected devices continues to grow, the report highlights the need for ongoing innovation and adaptation to ensure that mission-critical IoT systems can meet the demands of the future.
In summary, this Special Report serves as a comprehensive resource for understanding the current landscape of test and measurement technologies in mission-critical IoT, providing valuable insights for industry professionals and stakeholders.
