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Koide, Reo
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Development of a New Multi-Link Rear Suspension

Nissan Motor-Reo Koide, Keiichi Nakajima, Takatoshi Tabei
Nissan Techno-Yoshihiro Kawabe
  • Technical Paper
  • 2012-08-0531
Published 2012-10-03 by Society of Automotive Engineers of Japan in Japan
We have developed a new multi-link rear suspension that has a simple link configuration and a lower link that features a connecting bushing mechanism developed by Nissan. This innovative new connecting bushing mechanism not only helps to provide better handling stability by ensuring high stiffness and an adequate level of compliance steer, but also helps to improve the ride comfort by suitably controlling the behavior of tires when they encounter irregularities in the road surface, thereby providing a safe and comfortable driving experience suitable for a high-performance passenger vehicle. The new link layout enabled us to reduce the number of components compared with current multi-link suspensions, we have also achieved weight reductions by precisely controlling the load transmitted to links and suspension members.
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Development of a New Multi-link Rear Suspension

SAE International Journal of Passenger Cars - Mechanical Systems

Nissan Motor Company Ltd.-Reo Koide, Yoshihiro Kawabe, Keiichi Nakajima, Kiriyama Kazuhiro
  • Journal Article
  • 2012-01-0978
Published 2012-04-16 by SAE International in United States
The requirements of suspension systems have become increasingly complex in recent years due to the expansion of global markets and diversification of the conditions under which vehicles are used in different parts of the world. It is also becoming increasingly important to ensure that vehicles offer the secure handling stability which are expected by drivers, but can also provide an adequate level of ride comfort when driving on a wide diversity of road surfaces in all parts of the world. From an environmental viewpoint, it is also essential to achieve weight reductions for better fuel economy.To meet these wide-ranging requirements, we have developed a new multi-link rear suspension that has a simple link configuration and a lower link that features a connecting bushing mechanism developed by Nissan. This innovative new connecting bushing mechanism not only helps to provide better handling stability by ensuring high stiffness and an adequate level of compliance steer, but also helps to improve the ride comfort by suitably controlling the behavior of tires when they encounter irregularities in the road surface,…
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Dynamic Modelling and Sensitivity Analysis of Automobile Suspension Systems by Application of MBD

Tokyo Metropolitan Univ.-Reo Koide, Takuya Yoshimura
  • Technical Paper
  • 2005-08-0177
Published 2005-05-18 by Society of Automotive Engineers of Japan in Japan
In this study, a linearized dynamic equation is derived by applying Multibody Dynamics to constrained multibody systems for analyzing vibration characteristics. With this equation, we propose a sensitivity analysis technique for several design modifications of those systems. This technique is applied to an automobile suspension system. Although studies have been made on stiffness of bushings or suspension arms, there are few researches which discuss suspension geometry from a viewpoint of vibration. With the proposed technique, we discuss transfer characteristics of a suspension system and effective geometry design on eigenvalue.