USING ACTIVE CASTER FOR THE ENHANCEMENT OF VEHICLE HANDLING DYNAMICS

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MASHADI BEHROUZ; SALAMIPOUR PARSA

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Journal: Modares Mechanical Engineering Year:2015 | Volume:15 | Issue:9 Page(s): 322-332

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Information Journal Paper

Title

USING ACTIVE CASTER FOR THE ENHANCEMENT OF VEHICLE HANDLING DYNAMICS

Author(s)

MASHADI BEHROUZ | SALAMIPOUR PARSA | Issue Writer Certificate

Keywords

VEHICLE DYNAMICSQ2

STEERING SYSTEMQ2

CASTER ANGLEQ2

VARIABLE CASTERQ2

FUZZY LOGIC CONTROLQ2

Abstract

In the present study, an active caster mechanism is introduced which will lead to improvement of the vehicle handling characteristics. In the presented survey, a 9-DOF nonlinear vehicle model which consists of STEERING SYSTEM dynamic equations (which were derived by means of Kane dynamics method) and also the Magic Formula tyre model are being utilized for the simulation purposes. The relevant influences of the CASTER ANGLE variations on the steady state response of the vehicle were investigated at the first step of the analyses. With respect to the results which were achieved by the mentioned approach, a FUZZY LOGIC CONTROLler (FLC) was designed for controlling the CASTER ANGLE. According to the yaw rate error (which will be defined as the difference between the actual and theoretically desired values), and the vehicle lateral acceleration, the mentioned controller alters the CASTER ANGLE in order to attain a stable state of the vehicle. The desired dynamic motion of the vehicle is assumed to be in the form of the steady motion of the two-wheel model. Here, it is worth mentioning that the variations of the CASTER ANGLE were limited in a conventional range. During some critical maneuvers, the performance of the CASTER ANGLE controller was surveyed and the outcomes were compared with the uncontrolled vehicle. The results Show that the caster variation controller provides substantial capability to improve vehicle handling characteristics.

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APA: Copy

MASHADI, BEHROUZ, & SALAMIPOUR, PARSA. (2015). USING ACTIVE CASTER FOR THE ENHANCEMENT OF VEHICLE HANDLING DYNAMICS. MODARES MECHANICAL ENGINEERING, 15(9), 322-332. SID. https://sid.ir/paper/179023/en

Vancouver: Copy

MASHADI BEHROUZ, SALAMIPOUR PARSA. USING ACTIVE CASTER FOR THE ENHANCEMENT OF VEHICLE HANDLING DYNAMICS. MODARES MECHANICAL ENGINEERING[Internet]. 2015;15(9):322-332. Available from: https://sid.ir/paper/179023/en

IEEE: Copy

BEHROUZ MASHADI, and PARSA SALAMIPOUR, “USING ACTIVE CASTER FOR THE ENHANCEMENT OF VEHICLE HANDLING DYNAMICS,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 9, pp. 322–332, 2015, [Online]. Available: https://sid.ir/paper/179023/en

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