> I'm working for a wind turbine manufacturer, and I want to set up a > super-robust data acquisition system. Basically it needs to:
Fun! > - receive about 200 channels, single precision, 10-50 Hz through wired network > - store data for some time (I need about 128 GB storage ideally) > - process it into secondary (much smaller) data summaries > - and then the data summaries will be transferred over the wind farm network. The analogue I/O is all up to you. The data rates are not a problem, nor is the networking. Achilles heel will be storage. YMMV according to your write frequencies/rates. SD frames are (IMHO) dreadful for anything serious. And I'd be certain of SD media failure over that time frame. Suitably housed USB/Network attached SSD an improvement but still very tricky over a decade or so. Re comparative robustness - that depends. There are vendors selling AM335X SOMs (including RJ/USB) with better temp range specs. Presumably these things are going to be properly housed even if they are inside the nacelle? I guess the advantage here is that unit cost is not too much of an issue? How big are the turbines? Cheers. Jerry. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
