Top Ten Downloads on ControlDesign.com

We reviewed all the white papers and other types of content that ControlDesign.com site users have downloaded so far this year and created a page that identifies and links right to them. Find out what you and the rest of Machine Builder Nation viewed as the most worthwhile information on the web.

Top Ten Downloads of Q2 2006

1. Multi-axis vs. Single-axis Servo Drive Systems
This article compares multi-axis servo systems to the classic single axis servo drive. It discusses performance and productivity advantages which can lead to a win-win for machine builders and the product producers.

2. How Technology Sounds to Family and Friends
This video clip has been around for a while, but it's still pretty funny. So, just remember: when you start talking about the new technology toys you're playing with at work, and family and friends' eyes begin to glaze over, this is how it sounds to them.

3. 3-Phase AC Calculations Revisited
This application note illustrates real-time cosine functionality and associated phasor notation for a 3-phase line-to-line voltage system with line voltage V12 as reference. It contains AC system definitions and basic rules for calculations with examples.

4. Functional Safety Concepts in Motor Control
The approach for addressing functional safety of embedded software dependent motion controls is becoming a growing concern as programmable components replace traditional electromechanical components in safety-related systems.

5. Programming Controllers: C vs. Relay Ladder Logic
This White Paper examines two methods of programming embedded controllers and describes the benefits of using C-Language in industrial control applications.

6. Internet Access in a Process Control Environment
With the latest PLC technology, almost anything that can be accomplished next to the machine can be accomplished wherever there is an Internet connection. This White Paper presents new options available for connecting to the PLC from a remote location.

7. The Physics of Radio Bands and Channels
This technical article looks at the principles of radio technology to explain the differences in performance between different radio bands, and explains the different characteristics between the common 2.4GHz ISM band and the lesser used 900 and 869 MHz bands in industrial environments.

8. EDDL: The Technology Behind Interoperability
EDDL technology provides solutions that address the engineering and operating questions, concerns, and needs of both end-users and manufacturers.

9. Closed-loop Control of Stepper Motors Without Position Sensor
This paper presents a patent-pending method to operate stepper motors in closed loop position without position sensors, boosting stepper-motor performance into the range of servomotor performance while maintaining the inherent simplicity of the conventional stepper motor drive system.

10. Strain Gage Signal Conditioning Modules (SCMs)
This application note is based on the basic bridge circuit fundamentals of strain gages interfaced to signal conditioning modules. Include are their effects on line resistance, strain gage parameter tolerances, and methods of excitation.

         

Top Ten Downloads so far in  2006

1. Multi-axis vs. Single-axis Servo Drive Systems
This article compares multi-axis servo systems to the classic single axis servo drive. It discusses performance and productivity advantages which can lead to a win-win for machine builders and the product producers.

2. When Good Grounds Go Bad
This application note illustrates some situations, such as natural phenomena and potential accidents, where unexpected ground voltages could cause instrumentation errors. Will your signal conditioning modules and field sensor electronics take this abuse?

3. Understanding Linear Motor Parameters
This paper will use first principles to develop specifications specifically for three phase, brushless linear servo motors based on fundamental characteristics. It will also develop relationships between certain motor parameters and show how some are dependant on winding type and others are not.

4. Software Tools for the Development of Motion Control Applications
Today's control design engineers and developers expect strong tools at every stage of the product development cycle. This White Paper shows how sophisticated software is emerging that can be integrated into today’s motion-control applications.

5. Closed-loop Control of Stepper Motors Without Position Sensor
This paper presents a patent-pending method to operate stepper motors in closed loop position without position sensors, boosting stepper-motor performance into the range of servomotor performance while maintaining the inherent simplicity of the conventional stepper motor drive system.

6. Wireless Reliability in Industrial Environments
The focus of this paper is the reliability of spread spectrum radio for monitoring and control in industrial environments, and how its physics can be used to your advantage as you design and manufacture cordless wire technology for industrial applications.

7. Ensuring Operator Safety in HMI Environments
This paper explains the concept of emergency stop switches and introduces a new design of next-generation switches that allows an operator to work in a safer HMI environment.

8. Programming Controllers: C vs. Relay Ladder Logic
This White Paper examines two methods of programming embedded controllers and describes the benefits of using C-Language in industrial control applications.

9. Technical Reference Book on Measurement and Control
ControlDesign.com has partnered with Omega Engineering to make the Transactions in Measurement and Control technical reference series available for free download. Add Force-related Measurements to your reference shelf and watch this spot to download future editions of this popular educational series.

10. Measuring RMS Values of Voltage and Current
This application note addresses standard classic measurements of voltage (current) values based on average or effective root mean square (RMS) values of complex functions, and provides examples of practical considerations for using the RMS Equation.


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