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ENEV 372 - Dynamic System Modelling and Control

7 Pages1068 Words146 Views
   

UNIVERSITY OF REGINA

   

Transportation System (ENEV 372)

   

Added on  2020-03-07

About This Document

The two-wheel vehicle-controlled system is widely used in all the technologies that reprogramming by many criteria. The performance of a motorbike is a simple method for future transportation systems. Motorbikes have calculable advantages in transport, comfortability, driving security, etc. In this case, Dynamic System Modeling is represented to calculate the free Vibration Response and Resonance.

ENEV 372 - Dynamic System Modelling and Control

   

UNIVERSITY OF REGINA

   

Transportation System (ENEV 372)

   Added on 2020-03-07

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Dynamic System Modelling and Control
ENEV 372 - Dynamic System Modelling and Control_1
1.IntroductionThe two-wheel vehicles controlled system are widely used in all the technologies that areprogramming by many criterias. The performance of a motorbike is a simple method offuture transportation system. Motorbike have incalculable advantages in transports,comfortability and driving security etc. In this case dynamic system modelling is representedto calculate the free vibration response and resonance. The possibility of the project is findthe schematic of motor bike and model of system Simulink.2.Performance Analysis of Motor BikeFig: Mathematical schematic diagramThe above picture shows the mathematical schematic model of the motorbike, this diagram givesbrief function of the motorbike. Throttle is one input to this circuit, the input goes to the engineand next to the torque converter and geared shift mechanism.it is related to the vehicle dynamicsand the output will comes in the form of mph as well as vehicle dynamics shifted by brake. Thentorque converter and geared mechanism are used for transmission and transmission control unitis connect with the block of shift mechanism. Input and output both are controlled bytransmission controlled unit.Based on the Mathematical expression of moto bike, FM1 = M1 dx12 /dt2 FK1 = K1(X1 – X2) Fb = b d/dt (X1 – X2)Using Newton’s Second law,M1 dx12/dt2 + K1(X1 – X2) + b d/dt (X1 – X2) =F(t) ------- (1)
ENEV 372 - Dynamic System Modelling and Control_2
Now consider mass M2, FM2 = M2 dx22 /dt2 FK1 = K1(X2 – X1) Fb = b d/dt (X2 – X1) FK2 = K2 X2Using Newton’s Second law,M2 dx12/dt2 + K1(X2 – X1) + b d/dt (X2 – X1) +K2X2=0 ------ (2)Using these conditions, suspension performance, vibrations and transients are evaluated.Advantages: The motor bike was using some frequencies, the frequency range is 4Hz to 8Hz.Compare to other motor bikes this frequency range is good, so that the passenger can travel withcomfort.3.Spring Mass SystemThe above screenshot shows the spring mass of dynamic system that describes the factor ofvariation response. Suspended mass, integrator, damper and spring are all shown in the figure.The force of the input and spring (k) are programmed with summations process as well as that isconnected with suspended mass (M) and two integrators (Ion & Gheorghe, 2012). The springattached with summation sources. Using this schematic diagram we can find the correspondingoutput using Simulink (Ion & Gheorghe, 2012).
ENEV 372 - Dynamic System Modelling and Control_3

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