At first assumed that we have a suspension system with nonlinear characters, then with special initial condition chaotic vibration appeared in system in this time what is the response of chaotic system.......for example can we see separation of tire from the road or other phenomenon in this system?
(please explain about other phenomena that appear in this conditions)
thank you
Dr Atarodi, did you mean what happens in a vehicle suspension system when chaos appear in response to disturbance? Generally, a vehicle suspension system will become unstable when subjected to disturbance when it has poor damping. This disturbance may be modelled as chaos. In real life applications, such suspension systems will cause severe ergonomic discomfort to occupants of the vehicle. Theoretically, you can model the suspension system and attempt to control it using any of the control strategies - PID, Fuzzy control etc so that you can stabilize it.
Thanks mr Edwin Umoh.i simulated this problem but i have a problem with it.....and that is acceleration of sprung mass .the acceleration of sprung mass was very high and when i want control it i need high energy i dont know how this high acceleration appear in my system my input was A*sin(w*t) from the road A=0.01[m] and (w=2*pi*f)f==11[hz].;
Try to visit google search and check modelling and simulation of vehicle suspension systems. I hope better responses will pop up. There are plethora of materials on the subject matter.
Dr. Atarodi
We investigated nonlinear dynamics of farm tractor. Generally, farm tractors don’t have any suspension system, only k and c of tires play a role of suspension.
At that case, very clear deterministic chaos was observed in field experiments and numerical experiments such as subharmonic resonance and bifurcation diagram etc.
In the field experiments, we measured almost 10G (max-min) of vertical acceleration under seat position. At that time, all fours wheels were separated from the ground; just as bouncing ball model. You can down load from RG. Hope it would be useful for your research.
https://www.researchgate.net/publication/270282419_Experimental_Analysis_of_Nonlinear_Dynamics_and_Chaos_in_Bouncing_Tractor
https://www.researchgate.net/publication/251237827_Theoretical_Analysis_of_Nonlinear_Dynamics_and_Chaos_in_Bouncing_Tractor
https://www.researchgate.net/publication/242919305_Bifurcation_Structure_of_Vibrations_in_an_Agricultural_Tractor-Vibrating_Subsoiler_System
Article Experimental Analysis of Nonlinear Dynamics and Chaos in Bou...
Article Theoretical Analysis of Nonlinear Dynamics and Chaos in Boun...
Article Bifurcation Structure of Vibrations in an Agricultural Tract...
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