Analytical Design and Offset Optimization of Side Load Spring of MacPherson Strut Suspension

2020 ◽  
Vol 44 (8) ◽  
pp. 603-608
Author(s):  
Hyung Bae Chang ◽  
Chang Soo Han
Keyword(s):  
Analytical Design ◽  
Side Load ◽  
Macpherson Strut Suspension ◽  
Macpherson Strut

Kinematic and Dynamic Analysis for a New MacPherson Strut Suspension System

2020 ◽  
Vol 22 (4) ◽  
pp. 1223-1238 ◽  
Author(s):  
S. Dehbari ◽  
J. Marzbanrad
Keyword(s):  
Dynamic Analysis ◽  
Vertical Displacement ◽  
Geometrical Model ◽  
Suspension System ◽  
Front Suspension ◽  
Multibody Model ◽  
Macpherson Strut Suspension ◽  
Two Degree Of Freedom ◽  
Macpherson Strut ◽  
Unsprung Mass

AbstractThe present paper undertakes kinematic and dynamic analysis of front suspension system. The investigated model is a full-scale Macpherson which is a multibody system. Two degree of freedom model is considered here to illustrate the vertical displacement of sprung mass and unsprung mass with using displacement matrix. Ride and handling parameters including displacement of sprung and unsprung masses, camber/caster angle, and track changes are derived from the relationships. Moreover, geometrical model and equations are validated by Adams/Car software. The kinematic and dynamic results have been compared in both analytical and numerical outputs for verification. The proposed analytical model shows less than 5% differences with a complicated multibody model.

Modified Skyhook Control for the Semi-Active Macpherson Strut Suspension: A New Model and HILS

2000 ◽  
Author(s):  
Keum-Shik Hong ◽  
Hyun-Chul Sohn ◽  
J. Karl Hedrick
Keyword(s):  
Relative Velocity ◽  
Control Law ◽  
Hardware In The Loop ◽  
Control Performance ◽  
Active System ◽  
Damping Force ◽  
New Model ◽  
Macpherson Strut Suspension ◽  
Macpherson Strut ◽  
Unsprung Mass

Abstract In this paper, a modified skyhook control for the semi-active Macpherson suspension system is investigated. A new model for the Macpherson type suspension, which incorporates the rotational motion of the unsprung mass, is introduced and a feedback control law utilizing the modified skyhook control strategy is derived. Also, two filters to estimate the absolute velocity of the sprung mass and the relative velocity of the rattle space are designed. For testing the control performance, the actual damping force has been included in the hardware-in-the-loop simulations. The control performances of the semi-active system and a passive one have been compared. HILS results are provided.

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