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008 090811t2008 my a f m 000 0 eng|d
020 _aTHE0007274(Local)
039 9 _a201905141133
_bfawwaz
_c201204091118
_dFida
_c201107132203
_dVLOAD
_c200908141654
_dVLOAD
_y200908111039
_zida84
040 _aUMP
090 _aTL257 .A87 2008 rs Bc.
100 0 _aMohd Asqalani Naharudin
245 1 0 _aDesign and simulation automobile active suspension system /
_cMohd Asqalani Naharudin
260 _aKuantan, Pahang :
_bUMP,
_c2008
300 _a43 p. :
_bill. (some col.) ;
_c30 cm. +
_e1 CD-ROM
502 _aProject paper (Bachelor of Mechanical Engineering with Automotive) -- Universiti Malaysia Pahang - 2008
520 3 _aThe purpose of this project is to design and simulate a semi-active suspension system for a quarter car model by controlling two input, spring stiffness, ks, and damper rate, bs. The performance of this system will be compared with the passive suspension system. There are two parameters to be observed in this study namely, the sprung mass acceleration and the suspension distortion. The performance of this system will be determined by performing computer simulations using the MATLAB and SIMULINK toolbox. For the first experiment, the damper rate was set to constant while spring stiffness was set from 10507 N/m to 131345 N/m. at lower spring stiffness leads improvement in ride quality but increased the suspension distortion at lower time. At second experiment, the spring stiffness was set to constant while the damper rate was from 1000 N.sec/m to 1400 N.sec/m. Increases in damper rate improve the ride quality but slower roll-off will occurred. In the third experiment, the damper rate value was set to maximum while spring stiffness was set to minimum to achieve optimal performance. The simulation results show that the semi-active system could provide significant improvements in the ride quality and road handling compare with the passive system
650 0 _aAutomobiles
_xSprings and suspension
999 _aVIRTUA40
_c1301
_d1307
999 _aVTLSSORT0080*0200*0400*0900*1000*2450*2600*3000*5020*5200*6500*9992