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ENEM14015 Dynamic System Modelling and Control | Assignment

11 Pages1442 Words152 Views
   

Central Queensland University

   

Dynamic System Modelling and Control (ENEM14015)

   

Added on  2020-02-18

ENEM14015 Dynamic System Modelling and Control | Assignment

   

Central Queensland University

   

Dynamic System Modelling and Control (ENEM14015)

   Added on 2020-02-18

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Dynamic System Modelling and Control
ENEM14015 Dynamic System Modelling and Control | Assignment_1
Executive summaryA model is an accurate description of a system's dynamics. And it is mainly used toexplain the questions through the simulation and analysis. The Method of dynamic systemmodelling and control is a research area of current technology. The development of modellingand control of a motorbike performance is controlled by many parameters and have many basis.And the motorbike have the advantages of security and comfortability. In dynamic systemmodelling process the motorbike is implemented by using matlab.The method of dynamicsystem is controlled by analyzing the performance of two degree of freedom, suspensionperformance, and magnification factor and variation response techniques.1.IntroductionThe method of motorbike model controlling process have many criteria. This projectexplains the performance of dynamic system modelling and control of the motorbike. In any kindof automobile system the suspension performance is widely used. Because the suspension ismainly used to maintain the grip on the road. The main goal of this projects to implement the techniques of two degree of freedom and toconstruct the three degree of freedom system. This process will be analyzed by using mat labSimulink. The Laplace transform modelling equations and transfer functions will be determinedin two degree of freedom (Homer, 2014).The transmissibility factor and magnification factor willbe calculated for two degree of freedom in Simulink. The simulation process of multiple degreeof freedom will be analyzed.1
ENEM14015 Dynamic System Modelling and Control | Assignment_2
2. Mathematical model of dynamic system Fig1: Schematic of motorbike The Schematic diagram of given system is given below. The performance of thedynamic system shows in this diagram. The input signal is a throttle and it is performed by ECUsignal. Sometimes the traffic conditions will occurs, during this condition the dynamic systemonly controlled by a user. In the dynamic system the signal is processed in two methods. Thetransmission actuator and clutch actuator is a two process to drive a vehicle. The vehicle speed isdetermined by ECU signal.3.Suspension performance AnalysisSuspension performance classified into two types. The two types are 1)Spring mass2)Unspring mass2
ENEM14015 Dynamic System Modelling and Control | Assignment_3
A spring mass is main condition to support the suspension system. It is one of the part of thevehicle (Hopkins, J. and Culpepper, 2010). The wheel bear, axles and wheel hub is directlyconnected to the unspring mass. The imperfections of road is obtained by the unnecessary anduneven force on the unspring mass. Dynamic system is divided into three types. These are ActiveSuspension system, Passive Suspension system and semi active suspension system.Active suspension system It is important system in the suspension system. The rate of the suspension of spring canbe varied in the active suspension system. These variations make good ability to the system. It isalso known as modern suspension system.Passive suspension systemPassive suspension is extensively used system and it is very important. The passivesuspension system also called as conventional suspension system. Compared to other suspensionsystem it is very popular system and low cost.Semi-active suspension systemThe semi-active suspension system is otherwise called as adaptive control system. Usageof this system is less and this system have less power. The system provide good handling whenthe motorbike running in the normal surface.4.Two degree of freedom modelThe motion of 2 DOF dynamic system will be expressed with the help of two differentco-ordinates and more than one masses are required to model this system. In other hand 1 DOFsystem one mass is used to develop the model. One equation is enough to describe about 1 DOFdynamic system. In case of 2 DOF, two equations are need to develop the dynamic systemmodel. To represent the motion of the system two independent co-ordinates are used. Therequired equations are created with the help of mass and stiffness matrices (Berbyuk, 2007).3
ENEM14015 Dynamic System Modelling and Control | Assignment_4

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