Articles

Infrared Zoom Moves Toward the Mainstream

For many years, infrared vision was limited to government and laboratory applications, but the picture is rapidly changing. With the cost of thermal cameras decreasing, military, aerospace, and scientific applications have expanded and the world of infrared has exploded with innovative new uses for law enforcement, surveillance, commercial, and even consumer applications.

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Greg Olsen on Imaging, Space Science, and the Future of Engineering

Dr. Greg Olsen has had an illustrious career as a research scientist and entrepreneur. With degrees in physics and materials science, Olsen founded EPITAXX, a fiber-optic detector manufacturer, in 1984, and then founded Sensors Unlimited Inc. (SUI), a near-infrared camera manufacturer in 1992. SUI was sold to Goodrich Corp. in 2005. During his career, Olsen developed vapor phase epitaxial crystal growth of optoelectronic devices, including laser diodes and photodetectors for fiber-optic applications based on the material indium gallium arsenide (InGaAs). He was awarded 12 patents, wrote more than 100 technical papers, co-authored several book chapters, and has given numerous lectures to both technical and trade journal audiences.

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Tips On Selecting Custom Gearmotors

A custom gearmotor is one that meets your particular specifications. It has the correct mechanical and electrical interfaces, fits within the envelope available, meets your performance, maintenance, lifetime, and aftermarket criteria, and fits within your budget.

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Intelligent Motor Control ICs Simplify System Design

A new category of IC called an intelligent motor controller (IMC) is evolving that simplifies the task of designing high performance motor control drives. IMCs are dedicated, highspeed ICs that control multi-phase motors such as brushless DC and AC induction motors, and provide sophisticated control features required by today’s energy-efficient applications such as variable speed, flux vector control, and even sensorless control.

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Industry Update: Analysis & Simulation Software

Changing Roles in a Challenging EnvironmentIn our annual poll of executives at leading analysis and simulation software companies, we posed questions dealing with virtual prototyping, the changing role of the analyst, and how the economic environment is affecting software users and vendors. Here’s what they had to say about market trends for 2010, and maintaining competitive advantages in a challenging business market.

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Moving Machine Vision to 64-Bits

A nearly geometric growth in the data requirements for many machine vision applications is pushing 32-bit processing to its limits. The challenge is not in processing power, however, but in addressing memory buffers as systems fill them with ever-increasing volumes of data. Moving vision systems to 64-bit operation can solve the data challenge, but will require fully-updated hardware and software support.

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Using Event Systems and DMA to Cut Power Consumption

The trick to exploiting the ultra lowpower characteristics of microcontrollers with 100 nA sleep mode power consumption is to keep them in sleep mode as much as possible. The problem is that the growing number of on-chip peripherals and the increasingly dataand interrupt-intensive nature of modern applications make this a very difficult objective to achieve.

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