Motorcycle analytical modeling including tire-wheel nonuniformities for ride comfort analysis

被引：0
|
作者：
Vallim M.B. [1 ]
Dos Santos J.M.C. [1 ]
Costa A.L.A. [2 ]
机构：
[1] Faculty of Mechanical Engineering, 200 Rua Mendeleyv, Campinas, CP 6122, São Paulo
[2] Pirelli Pneus Ltda, 871 Avenida Giovanni Battista Pirelli, Santo André, 09111-340, Saõ Paulo
来源：
Tire Science and Technology | 2017年 / 45卷 / 02期
关键词：
Lumped mass imbalance; Motorcycle model; Motorcycle tire nonuniformity; Radial run-out; Ride comfort; Tire-wheel model;
D O I：
10.2346/tire.17.450202
中图分类号：
学科分类号：
摘要：
The transmission of vibrations in motorcycles and their perception by the passengers are fundamental in comfort analysis. Tire nonuniformities can generate selfexcitations at the rotational frequency of the wheel and contribute to the ride vibration environment. In this work a multi-body motorcycle model is built to evaluate the ride comfort with respect to tire nonuniformities. The aim is to obtain a multi-degrees-of-freedom dynamic model that includes both the contributions of the motorcycle and tire-wheel assembly structures. This representation allows the tire nonuniformities to predict the vertical force variations on the motorcycle and can be used through a root mean square acceleration evaluation for ride comfort analysis. The motorcycle model proposed is a 10-degrees-offreedom system, where each tire-wheel is a 4-degrees-of-freedom model. The tire-wheel assemblies include two types of nonuniformities: lumped mass imbalance and radial run-out. Simulations of analytical models are compared with experimental tests. © 2017, Tire Society Inc. All rights reserved.
引用
收藏
页码：101 / 120
页数：19
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