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Acoustic Vehicle Alert Systems [AVAS] for EVs
Acoustic Vehicle Alert Systems [AVAS] for EVs
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- Certificate of completion
- Foundational Learning
- Access to Study Materials
Why enroll
What enrolled engineers say
It moves past the toy phase quickly and gets into how AVAS behaves in real vehicles. The UNECE R138 section, especially the 0–20 km/h speed ramp audio clip comparison, stuck and felt concrete. Enough context to talk with suppliers and sanity-check specs in PRs; you don't need a repo or fancy infra to follow. I wasn't sold on the short psychoacoustics bit and wished there was more on in-vehicle testing, but it's a handy add to the toolkit.
Came in checking how this handles scale beyond a pilot, especially once AVAS has to ship across trims and markets. The UNECE R138 section stuck, particularly the table walking speed bands and the example where the sweep shifts under 20 km/h; that’s something I’ll paste into a PR comment. It's beginner-level and mostly clear, though I wasn't sold on the mic placement advice without more obs data from road tests. Probably reopening this ahead of our next arch review.
The scaling angle grabbed me, since AVAS gets messy once you’re shipping across trims and markets. Chapter 3’s UNECE R138 pass/fail walkthrough—especially the 20 km/h sweep and frequency band checks—stuck because it mirrors what I’ve seen fail late in prod. It ties system arch to infra and obs in a practical way, from sensor inputs to how alerts behave under CI updates in the repo. I wasn’t sold on the psychoacoustics bit, but it nudged how I troubleshoot end‑to‑end when something sounds off.
Is this course for you?
You should take this if
- You work in Automotive or Renewable & New Energy
- You're a Noise & Vibration Engineering / Automobile Engineering professional
- You prefer self-paced learning you can revisit
You should skip if
- You need a different specialisation outside Noise & Vibration Engineering
- You need live interaction with an instructor
Course details
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Key topics covered
Course content
The course is readily available, allowing learners to start and complete it at their own pace.
- Acoustic Vehicle Alert Systems [AVAS] for EVs20 min
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What learners say about this course
The NVH wheel-speed harmonics demo in Chapter 3 clicked for prod testing, but it's beginner-level; wished more on infra/obs tradeoffs, sensor cost.
Started as an L&D audit, then it kept crossing over into things I actually use when bridging legacy vehicle arch with newer obs and CI habits. The NVH order-tracking segment in Chapter 4 stuck, especially the 1.5x driveline mode example tied back to RPS and mount tuning. It’s applied without pretending we’re all in prod k8s; a few callouts even mirror how I annotate a repo or PR. mostly wish there was a bit more on wind noise correlation vs CFD, but the pacing improves as you move past the basics.
Small gripe first: module 4 dragged, and the labs assume you’ve already got MATLAB toolboxes wired; that setup note came late. Came in with a running list of NVH questions and most got answered without fluff. The section on structure‑borne vs air‑borne noise clicked, especially Chapter 3’s coast‑down order tracking example where half‑orders were tied back to mounts and bushings. Good system framing around source‑path‑receiver, not just FFT screenshots. I’ve seen similar issues in prod vehicles, and the troubleshooting checklist maps cleanly to how we actually triage issues under time pressure. Notes on test setup vs CAE expectations were practical. It’s not perfect, but I’ve already adjusted how I prep for the incident post‑mortems we keep having.
Module 4 dragged a bit; the damping math lingered longer than needed, and the labs assume you already have MATLAB toolboxes set up. That said, it doesn’t camp in Hello World land. It moves quickly into things I actually see at work. The transfer path analysis walkthrough in the “Engine Mount Tuning” section stuck with me, especially the example comparing idle boom before/after mount rate changes. Clear enough to map back to our arch decisions without hand-waving. The FFT waterfall screenshot around 1,200 RPM was a good anchor when talking NVH tradeoffs with non-NVH folks. It’s been useful for framing tech-debt debates around vibration fixes vs. kicking them down the road.
Aug 29, 2026 
