Noise, Electrical Noise

[MarkoRamius1086]

Hey guys,
Its been awhile since I have been active here on CD, I am currently working full time and taking part time college classes towards my engineering degree. Anyways, today at work my coworkers and I ended up talking about FIRST, and they are getting interested. Both of them have many, many years of experience in the electrical workforce. I was never a real integral part of my old team's Electronics Sub-Team, but I knew enough today to talk with them about FIRST's control systems and regulations. They are genuinely interested and frankly brought up some good questions that just left me stumped. Somewhere in our discussion they asked about the GROUNDING system inplimented, and I told them. Historically Rule R38 (2012) has kept teams from incorporating their frames from being a ground point.

They balked at me like I had just told them our company was going out of buisness. I have known many teams over the years, and it seems that some always have issues with electromagnetic interference and RF Noise, while other teams dont. These gentlemen are Electrical Engineers for a living, designing and producing automotive wiring harnesses on a daily basis for the last... few decades. They dont know the rules that well, and in all honestly while I do, the electrical sections have always been somewhat of a "Black Magic" type of thing for me. Now that I understand how exactly a control system works, I want to know...

How do other teams deal with RF Noise, and other types of interference from the motors? Wire shielding? Capacitors? Some slick grounding harness? What's legal to do and what's not? Along with your stories and experiences, pictures and all other resources are greatly appreciated!

Thanks for everything you all do!
Matthew Petrie
Powertrain Control Solutions