Bench Talk

Bench Talk for Design Engineers | The Official Blog of Mouser Electronics

CHARLES C. BYERS is Associate Chief Technology Officer of the Industrial Internet Consortium, now incorporating OpenFog. He works on the architecture and implementation of edge-fog computing systems, common platforms, media processing systems, and the Internet of Things. Previously, he was a Principal Engineer and Platform Architect with Cisco, and a Bell Labs Fellow at Alcatel-Lucent. During his three decades in the telecommunications networking industry, he has made significant contributions in areas including voice switching, broadband access, converged networks, VoIP, multimedia, video, modular platforms, edge-fog computing and IoT. He has also been a leader in several standards bodies, including serving as CTO for the Industrial Internet Consortium and OpenFog Consortium, and was a founding member of PICMG's AdvancedTCA, AdvancedMC, and MicroTCA subcommittees.

Mr. Byers received his B.S. in Electrical and Computer Engineering and an M.S. in Electrical Engineering from the University of Wisconsin, Madison. In his spare time, he likes travel, cooking, bicycling, and tinkering in his workshop. He holds over 80 US patents.

Distributed Analytics Beyond the Cloud

On June 18, 2021 in All, Automation, Computing, IoT, Sensors by Charles Byers

Analytics, AI, and ML are typically implemented as centralized functions in networks, often residing in the cloud. There is a growing trend to distribute these learning and inference functions between cloud, edge, and endpoint computer capabilities. Here, we’ll look at some of the tradeoffs involved.

Tagged With: ai, algorithms, analytics, data, distributed, dl, edge, inference, iot, ml, sensors

Ask an Engineer for Griswold-Style Display

On December 15, 2020 in All, IoT, Lighting, Maker by Charles Byers

With a bit of clever design and construction, it is possible to create a very striking snowflake pattern generator as part of a holiday light display. Here are four implementation ideas for a homemade device that will surely be the coolest front yard ornament on your block.

Tagged With: bulbs, construction, holiday, led, light, lights, maker, snowflake, strands, symmetry

Modular Hardware Platforms Require Tradeoffs

On May 4, 2020 in All, Computing by Charles Byers

Modular hardware platforms have a set of elements that can be configured to meet individual system requirements, upgraded in the field, and improve supply chain options. We’ll discuss some of the tradeoffs and techniques to modularize platforms, using the PICMG AdvancedTCA packaging standard as an example.

Tagged With: AdvancedTCA, ATCA, backplane, blade, hardware, interoperability, modular, PICMG, platform, platforms, software, standard

Robotic Irrigation Reduces Farming Costs

On April 2, 2020 in All, Automation, IoT by Charles Byers

Growing corn, wheat, alfalfa, cotton, and vegetables can be energy and labor intensive. Let’s examine a system that works like a center-pivot irrigation system but adds a rail and robotic implements that pass above the field to plant, cultivate, and harvest without any labor or fossil fuels.

Tagged With: robotics, automation, IoT, irrigation, precision agriculture, smart farms

Make Ceilings Smarter with Sensors, Actuators

On March 31, 2020 in All, Lighting, Sensors by Charles Byers

Ceilings in smart buildings often include important IoT devices such as cameras, environmental sensors, lighting, and Wi-Fi access points. Learn how to interconnect and process the data that make buildings safer, more efficient, easier to configure, more convenient, and generally smarter.

Tagged With: buildings, ceilings, IoT, lighting, robotics, sensors, smart, suspended

How to Secure Internet of Things Systems

On March 19, 2020 in All, IoT, Security by Charles Byers

As IoT systems become mission-critical, their security capabilities must keep pace. The addition of actuators to IoT systems creates the alarming potential for security breaches or hacking to injure or kill people. Hardware and software techniques described here can help keep IoT systems secure.

Tagged With: cryptography, edge computing, IoT, root of trust, security

Bidirectional Power over Ethernet

On December 27, 2019 in All, Energy Harvesting, IoT, Power by Charles Byers

Power over Ethernet combines data and power delivery over the same twisted pair cable. While standard PoE is unidirectional, driving energy from a PSE to a PD variants exist that are capable of transferring energy in either direction. This can have advantages in distributed IoT systems.

Tagged With: Bidirectional power, Distributed energy, PoE, Power over Ethernet

Using “Reversed Amazon Echo” Techniques on a Train Whistle

On December 19, 2019 in All, Audio, Computing by Charles Byers

Directional sound pickup using microphone arrays is being used in devices like the Amazon Echo. What if this technique could be reversed, controlling the sound fields of speaker arrays using digital-signal processing algorithms? This blog looks at a train whistle and how applying these techniques could prove beneficial to the application.

Tagged With: Array microphones, DSP

IoT Actuators and Sensors

On December 6, 2019 in All, IoT, Robotics, Sensors by Charles Byers

IoT relies on actuators and sensors to interface with the physical world. This blog discusses some common actuator and sensor types, the control systems that link them, calibration, fault tolerance, security, power efficiency, and related topics. A real-world example of a tea-brewing robot is given.

Tagged With: Actuator, Amplifier, Filter, IoT, Robotics, Sensor, Transducer

News from the Industrial Internet Consortium / OpenFog

On April 19, 2019 in All, Computing, Industrial, IoT by Charles Byers

The OpenFog Consortium recently joined forces with the Industrial Internet Consortium, producing a powerhouse of edge-fog thought and architecture. This blog describes the motivations for joining forces, markets and applications served, and thoughts about the future of edge-fog computing in IoT networks.

Tagged With: Distributed systems, Edge computing, Fog computing, IIC, IIoT, Industrial Internet, IoT, OpenFog

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