Articles

Reasons for Turning to Slotless DC Motor Technology

When first introduced, brushless DC motors, despite their many advantages, were cast as a costly alternative to brush-commutated motors, and were typically only specified for low-power applications where long life was the primary desired requirement. Without the mechanical brush-commutator mechanism that would wear and eventually result in motor failure, brushless motors could be relied upon to deliver performance over time. As for other advantages, conventional wisdom held that brushless motors provide high speed and fast acceleration, generate less audible noise and electromagnetic interference, and require low maintenance. Brush-commutated motors, on the other hand, would afford smooth operation and greater economy.

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Analyst Roundtable: Machine Vision Moves Beyond Manufacturing

Imaging technology is playing an increasingly important role, for traditional industry sectors like manufacturing as well as emerging segments outside of the factory. Companies are looking to automate their operations. Lower costs have enabled customers to use camera-based technologies for the very first time. Vision systems have become more capable than single-purpose devices.

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‘Ralph’ Camera Shows Pluto in Color

Thanks to a camera affectionately known as “Ralph,” NASA’s New Horizons spacecraft has delivered stunning natural-color images of Pluto and its moons.

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Considerations for Choosing Temperature Measurement Devices

Temperature is the physical variable most often measured in industrial processes. Selecting the sensor and measurement device to match a specific process is extremely important, and knowing the various options is the first step to optimizing temperature measurement. There are a variety of reasons we need to know the temperature of an object or a process — to prevent product damage, ensure sterilization, determine biological health, ensure mixture blending, control chemical reactions, or ensure drying, curing, and outgassing, to name just a few. Temperature measurement can also be a regulatory requirement; for example, the Food and Drug Administration (FDA) requires temperature monitoring of food and drug products.

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Connectivity in Aircraft Interior Electronic Systems

The use of high-density, lightweight fiber optics is increasing in networks and electronic systems for equipping aircraft interiors. The civil aviation market comprises commercial passenger planes, cargo planes, private planes, private jets, and helicopters. Design engineers strive to reduce aircraft weight and costs, while enhancing safety, functionality, and the passenger experience in the cost-competitive travel industry. Relative to the overall aircraft, cabin electronic and electrical systems represent the largest segment, and include passenger seats, electric door systems, lighting, lavatory, kitchen equipment, flight attendant panels, and other cabin equipment.

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Using Hardware Handshaking to Reduce ATE Test Times

Developing an automatic test equipment (ATE) system takes time, and there can be different approaches to achieve the same goal. Without the right approach, the system can become less efficient, contributing to more time spent or more resources used to complete the task. With advances in technology, ATE systems are becoming more widely used across a range of industries including manufacturing, avionics, aerospace, military, and defense. ATE systems are efficient and can be incredibly useful, allowing quick and accurate testing that communicates across a set of devices. However, it can become a complicated task to properly set up an ATE system to achieve the user’s desired outcomes.

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Every Measurement Starts with a Trigger

As today’s products in consumer electronics, automotive, and aerospace applications get more complex with every generation, the requirements on test instruments increase even more because test capabilities need to advance, while test times and time-to-market are expected to decrease. One important requirement for instruments like oscilloscopes is the ability to detect and trigger on an event of interest within a stream of unsuspicious signals fast and reliably. The quicker a specific event can be detected, the faster a problem in an electronic design can be debugged, reducing development and manufacturing test times.

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