using ADAMS view for excavator four poster / shaker table

[anand24]

Hi,
I need suggestions on modeling four poster test or shaker table for Excavator
is it feasible to get some quality output if I have test data from running vehicle.
I have accumulated acceleration data on idler and sprocket centers and cabin engine mounts
Is it possible to simulate running vehicle on four poster orshaker table.

I have built the ADAMS view model with 4 cylinders and table. with rods having spherical joints with table and cylinders are connected to ground with high stiffness bushings.
I am able to feed random displacement data to 4 posts.
Please guide whether this works

 

[GregLocock]

I think you'll run into problems with the tire model, and personally I'd have recorded far more data than that - force in, acceleration in, and wheelhubs, for example.

Having said that yes I have had some good results with that approach, for low frequencies.

Cheers

Greg Locock


New here? Try reading these, they might help FAQ731-376

http://eng-tips.com/market.cfm?

 

[anand24]

Hello Greg,
Thanks for your reply

As excavator dont have tires it is having tracks wraped on idler,rollers and sprockets.
I am able to capture data for sprocket and idler only as a input not on rollers

I wnder if data at rooler is missing so whether i am proving all inputs from ground.