Dynamics properties of a Go-kart chassis structure and its prediction improvement using model updating approach

Abdullah, Nur Azam; Sani, M. S. M.; Husain, Nurulakmar Abu; Rahman, M. M.; Zaman, Izzuddin

doi:10.15282/ijame.14.1.2017.6.0316

Cited by 42 publications

(19 citation statements)

References 30 publications

(35 reference statements)

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“…There are many reasons why the frame has a high critical frequency. The material selection for example, a kart frame made from carbon steel has the critical frequency at 2400 rpm [7]. Other reason is the pipe thickness.…”

Section: Figure 11 Dynamic Rear Torsion Shear Stressmentioning

confidence: 99%

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FEM Simulation of Electric Car Chassis Design with Torsional Bar Technology

Sutisna

Akbar

2019

JMEM

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AbstrakSebuah rancangan chasis kendaraan listrik disajikan, khususnya simulasi FEM digunakan untuk mensimulasikan berbagai jenis beban dan reaksi pada kerangka kendaraan. Tujuan utama dalam penelitian ini adalah untuk mengembangkan mobil listrik dengan torsion bar, di mana frame akan memiliki sistem suspensi sendiri. Desain bingkai akan dibuat sebagai peralatan asli. Penelitian ini akan fokus pada bagaimana sasis mobil listrik menahan beban tertentu dengan kondisi batas yang ditentukan, di mana analisis dilakukan menggunakan Metode elemen hingga menggunakan perangkat lunak ANSYS. Analisis utama adalah Von-Misses Stress, faktor keamanan, lentur, tegangan geser dan getaran torsion. AbstractA design of electrical vehicle chasis is presented, specifically a FEM simulation is employed to simulate the different kind of load and reaction on vehicle frame. The main goal in this research is to develop an electric car with torsion bar, where the frame will have a self-suspension system. The frame design will be made as original equipment. This research will focus on how an electric car chassis withstand certain load with a defined boundary condition, where the analysis is conducted using Finite element Method using ANSYS software. The main analysis is the Von-Misses Stress, the safety factor, bending, torsion shear stress and vibration. 98 efficiency, so it will results in a great driving performance. Many famous car manufacturers outside of Indonesia has already developed electric car, for example the Tesla Model S P100D, Nissan Leaf, Toyota Prius and many more. Thus, further researches are being conducted towards electric car development.The development can come from many aspects such as the car mileage, the time to charge the power source, the cars weight, since an electric car has more weight than common combustion car. This is due to the weight of the power source, and other components inside an electric car. Thus, with so many components on the vehicle, one of the problems that will arise is the weight that must be supported by the frame of this electric car.

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Section: Figure 11 Dynamic Rear Torsion Shear Stressmentioning

confidence: 99%

“…Other reason is the pipe thickness. A one inch pipe a small inner diameter, for example, 0.62 inch will have less critical frequency than a one inch pipe with 0.76 inch thickness [7]. Other reason can be due to lack of damper.…”

Section: Figure 11 Dynamic Rear Torsion Shear Stressmentioning

confidence: 99%

FEM Simulation of Electric Car Chassis Design with Torsional Bar Technology

Sutisna

Akbar

2019

JMEM

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“…Gradually with the advancement of the computer simulation equipment, these models developed and covered all sections in detail. Because of the predicting power of simple models, they have regained their importance in the conceptual design phase and emerged again in the industry [1,2]. In general, conceptual modelling is divided into two categories.…”

Section: Introductionmentioning

confidence: 99%

A New Conceptual Modelling Method for Vehicle Subframe to Evaluate Dynamic Performance of Structures at Conceptual Design Stage

Azaripour

Masoumi

2019

IJAME

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In recent years, the reduction of noise and vibrations caused by the road or internal components of vehicles have been a significant factor in the satisfaction and comfort of the occupants of cars. Therefore, to minimize these vibrations, the dynamic behaviour of the components of the vehicle should be considered in detail to reduce their level by setting useful parameters on structures. Nowadays, the conceptual model method can be regarded as a suitable alternative to the fundamental sophisticated computational techniques in measuring the vibration of vehicle components. Accordingly, the advanced finite element (FE) model examined for the subframe structure under the vehicle engine, and its conceptual model is developed by the one-dimensional beam elements to justify the dynamic behaviour of the subframe. The results of the experiments in the laboratory as well as the advanced subframe model are adapted, and the integrity of the natural frequencies and the mode shapes at low frequencies represented comprehensively. The result of the subframe concept model compared to the experimental model and computer-aided-engineering (CAE) model showed that the modal assurance criterion (MAC) is above 0.75 for the first four mode shapes of subframe structure and is above 0.9 for first and fourth mode shapes, and also the error percentage of natural frequency is lower than 8%. Therefore, for the analysis of the subframe performance in noise, vibration, and harshness (NVH) domain, the presented model could be considered in the conceptual phase design to reduce the solution time significantly.

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“…Kart is used for car driving [16]. Furthermore, a running test on a DS is performed using a handle controller remodeled to a TLS.…”

Section: Introductionmentioning

confidence: 99%

Improvement in Steering Performance by Push-Pull Operation in Car Driving

Kajiwara¹

2018

INT. J. AUTOMOT. MECH. ENG.

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Collision avoidance is one of the most difficult driving operations in the domain of intelligent vehicles. Steering operation error is one of the causes of traffic accidents. Steering operability also contributes greatly to the comfort of drivers and their mental workload during driving. Thus, with comfortable steering operation it is possible to reduce shoulder stiffness and arm fatigue caused by long-time driving. The development of automatic driving vehicles is becoming advanced worldwide. Consequently, the goal is to implement a level 3 automatic driving vehicle for practical use, in which "the system performs the acceleration, the steering, and the braking, and the driver responds when the system requests it". For this system to be practical, when autonomous driving becomes impossible for some reason, it is important to develop a system that allows the driver to be in control regardless of driving experience or age. In conventional round steering wheel, since there is no output muscle directly involved in the direction of movement of the upper limbs, it is difficult to instantaneously exert a large force and control performance is not good. Therefore, a twin lever steering (TLS), which is a push / pull alternate steering system, is proposed in this study. In the proposed TLS, there are output muscles that are directly involved in the direction of movement of the upper limb, including the biceps brachii muscle, and it is conceivable that the motor controllability is higher than in the conventional system. In this research, the superiority of the proposed TLS was verified using an experimental racing kart and driving simulator (DS). Furthermore, using DS, the superiority of a TLS in the steering operation immediately after the cancellation of automatic operation is clear.

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Dynamics properties of a Go-kart chassis structure and its prediction improvement using model updating approach

Cited by 42 publications

References 30 publications

FEM Simulation of Electric Car Chassis Design with Torsional Bar Technology

FEM Simulation of Electric Car Chassis Design with Torsional Bar Technology

A New Conceptual Modelling Method for Vehicle Subframe to Evaluate Dynamic Performance of Structures at Conceptual Design Stage

Improvement in Steering Performance by Push-Pull Operation in Car Driving

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