NASA Tech Briefs - August 2011 - Vol. 35 No. 8

Overview

The August 2011 issue of NASA Tech Briefs presents a wealth of information focused on advancements in motion control technology and related innovations. This edition highlights various applications and products that enhance performance, efficiency, and precision in engineering and scientific fields.

Key Features:

1. Cover Story: Roller Pinion System
   The cover features the Roller Pinion System from Nexen Group, which is designed for high-precision motion control applications. This system offers linear positioning with zero backlash, making it ideal for tasks requiring extreme accuracy. The technology is particularly relevant for industries where precision is critical, such as robotics and aerospace.

2. Electric Actuators
   The issue discusses electric actuators that provide significant performance and efficiency benefits. These actuators are increasingly favored over traditional hydraulic systems due to their lower operational costs, reduced maintenance needs, and enhanced control capabilities. The article outlines various applications where electric actuators can be implemented, showcasing their versatility across different sectors.

3. Precision Servo-Hydraulic Systems
   Another highlight is a precision servo-hydraulic system that controls a pharmaceutical tablet machine. This system exemplifies how advanced motion control technologies can improve manufacturing processes, ensuring consistent quality and efficiency in production lines.

4. New Products Section
   The magazine includes a section dedicated to new products, featuring innovations from various companies. This section serves as a resource for engineers and designers looking to stay updated on the latest tools and technologies available in the market.

5. Hall Effect Measurements
   An article on Hall Effect measurements provides insights into how this technology can be utilized for characterizing materials. Hall Effect sensors are crucial in various applications, including automotive and industrial sectors, where they help in measuring magnetic fields and current.

6. Underwater Astronaut Training Tool
   The issue also introduces a unique pistol-grip tool designed for underwater astronaut training. This tool is part of NASA's efforts to prepare astronauts for the challenges they will face in space, particularly in environments that simulate the conditions of microgravity.

7. Multiphysics Simulation in Industry
   A special feature discusses the role of multiphysics simulation in engineering and science. The article highlights case studies that demonstrate how engineers have leveraged COMSOL’s modeling tools to achieve significant advancements in their projects. This section emphasizes the importance of simulation in optimizing designs and improving product performance.

8. Free Resources and Literature
   The magazine provides readers with access to free catalogs and literature related to the topics discussed. This resource is invaluable for professionals seeking to deepen their understanding of specific technologies or to explore new products that can enhance their work.

9. Subscription Information
   The issue includes details about subscription options for NASA Tech Briefs, catering to both U.S. and international readers. It outlines pricing for single copies and annual subscriptions, making it accessible for a wide audience interested in staying informed about technological advancements.

10. Navigation Features
    The digital edition is designed for easy navigation, with features such as page turning arrows, zoom options, and a search function. This user-friendly interface allows readers to quickly find the information they need, enhancing the overall reading experience.

Conclusion:

The August 2011 issue of NASA Tech Briefs serves as a comprehensive resource for professionals in engineering, science, and technology. With its focus on motion control innovations, practical applications, and the latest product developments, this edition is essential for anyone looking to stay at the forefront of technological advancements. The inclusion of case studies and free resources further enriches the content, making it a valuable tool for continuous learning and professional growth. Whether you are an engineer, researcher, or simply an enthusiast of technology, this issue offers insights that can inspire and inform your work.