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Sense Element Pump Ripple Fatigue

Aerospace sensor technology is plagued by the balance between sensitivity and durability. As devices become more fragile in the pursuit of achieving higher accuracy they find themselves torn apart in the process. Hydra-Electric solves this using a special sense element of stainless steel construction capable of withstanding the harshest pressure spike environments without the use of a snubber. Using finite element analysis, it was revealed that near infinite fatigue life is achieved even in high pressure applications. This demonstrates the superiority of a stainless steel flexure sense element over conventional piezoresistive silicon (PRT).

Posted in: White Papers, Aeronautics, Motion Control, Data Acquisition, Sensors

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Survival of the fittest - the process control imperative

In tough times, manufacturers focus on reducing their operating costs, but may not be able to afford to spend their way out by buying more productive machinery. With that pathway closed, what are the opportunities for radically reducing costs without replacing existing machines? Where can we:

Posted in: White Papers, Instrumentation, Manufacturing & Prototyping, Machinery & Automation, Robotics

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Risky Business: Why Excluding Suppliers from Your Quality Processes Could Cost You

Suppliers play a major role in bringing products to market. This means that the product received from suppliers must be of the highest quality and level of safety possible—this is a must because stakeholders not only rely on their suppliers to help bring products to market, they also rely on them to help maintain their brand image. In this White Paper, you'll learn how to incorporate suppliers into your quality and compliance activities, resulting in a greater level of assurance.

Posted in: White Papers, White Papers, Medical

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Traceability Best Practices for Systems Engineers

Serious situations: In the middle of a project, your best customer changes a high-level business requirement. How will this change impact the system spec your engineers are working on right now? How will it impact scope for the upcoming release?

Posted in: White Papers, Electronics, Manufacturing & Prototyping, Software

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Nonlinear Model Predictive Control

This whitepaper presents an automatic workflow for implementing Model Predictive Control (MPC) controllers. The process uses MapleSim to generate a model of the system, whose dynamic equations are then extracted using Maple. Next, Maple is used to formulate the MPC problem, and generate the solver, which it automatically converts into the C code of the MPC controller. The advantage of using Maple is that the required procedures and their corresponding derivatives are computed and optimized whenever there is a change in the dynamic equations. The use of Maple saves time, removes human error, and produces highly optimized controller code.

Posted in: White Papers, Electronics & Computers, Mechanical Components, Motion Control

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Cost-effective Solutions for Audio Testing

The universal popularity of mobile devices presents potentially unprecedented growth for device makers. As the user base evolves, multimedia quality features increasingly as a major determinant in market dominance. Accordingly, integration of electro-acoustic components (i.e. receiver, speaker and microphone) into home use and industrial applications is becoming more of an industry mainstay every day. With audio quality thus recognized as a key consumer consideration, providers must maximize the effectiveness of audio testing in their manufacturing process. This article discusses how high-resolution dynamic signal acquisition modules can serve as a low-cost replacement for existing sound cards while meeting all testing requirements for high-profile mobile devices.

Posted in: White Papers, Test & Measurement

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Three Phase Active Power Factor Correction in a Single Step

Isolated, Regulated DC Output in One Conversion Reduces Cost, Complexity and Risk Multi-step regulation and isolation of electronic circuits is a complex and costly process for AC to DC conversion in high power applications, demanding close attention to power factor and current distortion, as well as size, weight, efficiency and cost. To solve these challenges for the power conversion engineer, Marotta Controls has developed its new patent-pending 1-STEP AC-DC Conversion™.

Posted in: White Papers, Electronics & Computers

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