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My latest video just dropped on !

One of the biggest misconceptions about Hardware-in-the-Loop (HIL) testing is that success starts when you press Run.

It doesn't.

Successful HIL testing begins long before the first simulation executes. It starts with planning the bench architecture, designing reliable wiring, properly installing the Device Under Test (DUT), verifying configurations, following disciplined startup procedures, and ensuring the entire system is safe and ready for testing.

In Part 5 of my "All About HIL Testing" series, I walk through the engineering practices that separate a dependable HIL laboratory from one that constantly struggles with unreliable data and unnecessary troubleshooting.

In this video, I cover:

✔ Planning a scalable HIL bench architecture

✔ Wiring and signal management best practices

✔ Proper DUT installation and configuration

✔ Controlled power-up and initialization

✔ Calibration and bench checkout

✔ The role of the HIL operator

✔ Pre-test safety verification

✔ Long-term best practices for maintaining a world-class test environment

Check it out on YouTube: https://youtu.be/KDWjAwjL3O0

Throughout my career, I've learned that great validation organizations aren't defined by the equipment they own—they're defined by the discipline of the engineers who operate it.

Reliable laboratories produce reliable data.

Reliable data leads to better engineering decisions.

And better engineering decisions build better products.

If you're involved in aerospace, automotive, industrial controls, robotics, medical devices, or any system that relies on real-time controls, I think you'll find something valuable in this chapter.

I'd love to hear how your team approaches HIL bench setup and operation. What best practices have made the biggest difference in your organization?

Need help with your Reliability, Test, and Validation Projects? Feel free to contact me at www.tomresh.com to find out how I can help!

All About HIL Testing Part 5 Setup, Configuration, and Safe Operation All About HIL Testing | Chapter 5 – Setup, Configuration, and Safe ...

Why do the world's leading engineering companies invest so heavily in Hardware-in-the-Loop (HIL) testing?
It isn't because HIL is the latest technology.
It's because it helps engineering teams find problems when they're still inexpensive to fix.

After spending years leading test and validation organizations across aerospace and electric vehicles, I've seen the same pattern over and over.

A software bug found during development might take a few hours to resolve.

That same bug discovered during system integration can impact multiple engineering teams, delay schedules, require hardware changes, and trigger weeks of additional testing.
If it reaches the customer, the cost grows even further.

That's why HIL has become a standard development tool across industries like:

✈️ Aerospace
🚗 Automotive & Electric Vehicles
🤖 Robotics
🏭 Industrial Automation
🚀 Space Systems

In Chapter 2 of my All About HIL Testing series, I explain why organizations continue investing in HIL and the business value it provides.

We cover topics including:
✅ Finding defects earlier in development
✅ Reducing integration risk
✅ Improving safety during testing
✅ Fault injection and failure validation
✅ Repeatable testing for faster root-cause analysis
✅ Why HIL is as much a business strategy as it is an engineering tool

One of the biggest takeaways from this chapter is simple:
HIL doesn't eliminate engineering problems—it changes when you find them.

Finding a problem earlier almost always means it's faster, cheaper, and easier to solve.

That's the real value.

If you're an engineer, engineering leader, systems engineer, software developer, or anyone involved in product development, I hope you'll find this video valuable.

I'd also love to hear from the community:

What's the biggest integration issue you've seen that could have been caught earlier with better validation?

🎥 Watch the video here: https://youtu.be/dqd9ZqAz-DY?si=iRLD8Tx86g47-HT-

All About Hardware in the Loop HIL Testing Part 2 Chapter 2 – The Business and Engineering Value of Hardware-in-the-L...

🚀 New Video Released: All About Hardware-in-the-Loop (HIL) Testing Part 1

How do engineers test and validate complex systems before a vehicle, aircraft, robot, or industrial machine is ever built?

The answer is Hardware-in-the-Loop (HIL) testing.

In Part 1 of this new series, I explain the fundamentals of HIL testing, how it works, and why it has become one of the most valuable tools for developing and validating today's complex systems.

HIL testing allows engineers to find problems earlier, reduce risk, improve safety, and gain confidence before expensive prototypes or production hardware are put at risk.

Whether you work in automotive, aerospace, robotics, industrial automation, or energy systems, understanding HIL testing is becoming increasingly important.

If you're new to HIL or want a better understanding of how engineers validate hardware and software together, this video is a great place to start.

I hope you enjoy it.

In this video, you'll learn:

✅ What is Hardware-in-the-Loop (HIL) testing

✅ How real hardware interacts with real-time simulation

✅ What a Device Under Test (DUT) is

✅ How closed-loop testing works

✅ Why traditional testing methods create challenges

✅ Real-world examples from automotive, aerospace, and industrial systems

✅ How HIL testing reduces risk, lowers cost, and accelerates development

Whether you're a test engineer, controls engineer, systems engineer, validation engineer, engineering student, or simply interested in modern product development, this video provides a practical introduction to the world of HIL testing.

One of my favorite definitions from the video:

"HIL testing allows engineers to test before reality catches up."

🎥 Watch the video here: https://youtu.be/bgyN7FMZvro?si=IYNzCxjEn5YoZgFX

I'd love to hear from others who have worked with HIL systems.

What HIL platforms have you used? dSPACE, NI VeriStand, Speedgoat, OPAL-RT, Typhoon HIL, or something else?



https://youtu.be/bgyN7FMZvro?si=IYNzCxjEn5YoZgFX

All About Hardware in the Loop HIL Testing Part 1 🚀 What is Hardware-in-the-Loop (HIL) Testing? | Understanding the H...