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Posts Tagged ‘DO-254 Compliance’

Traceability Matrices: Headache or Real Value

Wednesday, August 2nd, 2017

Traceability is becoming increasingly important in most engineering projects, if only on the grounds of ‘good practice’, and it is specifically required for projects that have to meet safety standards such as DO-254 and ISO 26262.

To provide traceability, you must maintain the relationships between all aspects of a project; from the system-level requirements through implementation and verification. Unfortunately, many organizations reduce their traceability responsibilities to preparing a few matrices for major reviews and to comply with respective safety standards. Such an approach is very time-consuming and I would argue it does little if anything to improve the overall management of the project. Or the design for that matter.

Good traceability data helps prevent errors and omissions in specifications, design and test plans. The first step is to define a traceability model.

Figure 1. Example Traceability Model

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Developing high-reliability FPGAs for DO-254

Tuesday, August 25th, 2015

Developing-FPGAs-for-DO-254You have been developing FPGAs for a long time, and you know your designs from top to bottom. You know every interface protocol, configuration and optimization. You can visualize your timing diagram like you can visualize your upcoming vacation in Hawaii. You can manually write down your memory mapping accurately while under oath. You can pinpoint all CDC paths and emulate metastability in your mind. You are confident that your designs are fault-tolerant and will function as intended. You are the master of your domain.

But… can you bet your life on it?

Are you willing to bet your life on your designs? What about the lives of the thousands of passengers sitting on the airplanes where your FPGA design is installed? How certain are you that it won’t fail in the field? If it were to fail, can it resume normal operation safely and timely? Not just MOST of the time, but EVERY time?

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Still managing FPGA requirements with Word and Excel?

Tuesday, January 21st, 2014

Smart engineers work smart by using tools that are readily available and that they know how to use.  Wise engineers work wisely by first evaluating the options, analyzing the results and making a strategic decision not only for the current project  but, more importantly, for upcoming projects as well.

Recently, a customer developing avionics systems came to us with their frustrations in managing FPGA requirements.  They managed higher level requirements, such as line replaceable unit (LRU) and circuit card assembly (CCA) requirements, in IBM DOORS. The FPGA requirements, test cases and their traceability to HDL design, testbench and simulation results were managed using Word and Excel.  Since DOORS lacked the capability to trace to FPGA design and verification elements necessary for DO-254 compliance, the customer felt they had to choose Word and Excel.

Why? Because Word and Excel are readily available and the team members already know how to use them.  But as their projects grew in complexity increasing the number of requirements to be managed, they found that Word and Excel have many shortcomings and realized that they are not the right tool when it comes to requirements management and traceability.

For the rest of this article, visit the Aldec Design and Verification Blog.

 

Register for Aldec Technical Sessions & Demos at DAC 2013

Thursday, May 16th, 2013

DAC2013This year’s Design Automation Conference (DAC) will be held in Austin, Texas.  If we survive the 70% humidity, our team looks forward to meeting you at Booth #2225 from June 3-5. Aldec HQ is located in Nevada just outside of Las Vegas… so we’re accustomed to more of a dry heat.

We invite you to register at www.aldec.com/dac2013 to attend a technical sessions led by Aldec’s top engineers from all over the world. I can’t stress enough how important it is to pre-register since these sessions do fill up quickly. You’ll also get a free t-shirt when you attend one of our sessions – we’ve designed some pretty cool ones to give away this year.

Aldec has also teamed up with Agilent to deliver a DAC Insight Presentation on Wireless Algorithm Validation Wednesday, June 5, 2013 from 2:00-4:00pm. Learn more.

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CST: Webinar series



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