Combi Brake System (CBS) Design and Tuning on an Electric Two Wheeler for Cornering Maneuver

Soni, Lokesh; Domala, Dhanraj; Venkateswaran, S.R.

doi:10.4271/2019-28-2399

Cited by 5 publications

(3 citation statements)

References 7 publications

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“…In two wheelers when the brake lever is applied it will either apply in the front or rear wheel which may cause skidding of the vehicle. To avoid this both front and rear brakes are to be applied sensibly [15]. Every rider may not possess this sensibility.…”

Section: Braking Systemmentioning

confidence: 99%

Trends in Automotive Electronics

Harikishnan¹,

V²

2019

IJEAST

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Since the invention of wheels' human mind is working hard to better his convenience in the field of conveyance. This has resulted in betterment of transmission system, fuel efficient engines and a host of other features. There was a time when the digital clock was the most sophisticated electronic part in an automobile. However, these days almost all modern cars have a sophisticated control cluster to control engine operation, braking system, temperature inside the vehicle and all the like. Besides this, various sensors, micro-controllers and even mini-computers are used in motor vehicles now-a-days for improved operating efficiency, emission control and safety. Since motor vehicles are becoming the prominent mode of conveyance the automobile industry will surely progress further taking mankind to a more connected and digitized setup. Now a day's electric vehicles are becoming more affordable with various multi-national companies unveiling hybrid cards suggesting that fuel efficiency will soon be adopted widely around the world. Machine learning and Artificial Intelligence will play a major role in the automotive industry in the near future as analytical capabilities are becoming more prevalent in cars personalizing the driving experience. Vehicles are becoming IoT devices which can be connected to devices like smart phones and can take voice commands through it. In view of all these it is imperative that automotive system designers familiarize themselves with the advantages of these type of control systems paving the way for more powerful vehicles with considerable fuel economy riding comfort and safety.

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Section: Braking Systemmentioning

confidence: 99%

Trends in Automotive Electronics

Harikishnan¹,

V²

2019

IJEAST

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“…However, a rear braking force that is too large could lead the driver to feel cornering difficulty or even lead to server rear-tire sideslip. Therefore, a previous study [4] put the optimal rear braking force for their CBS through simulations to avoid rear wheel locking during cornering maneuvers.…”

Section: Introductionmentioning

confidence: 99%

A Design Method for a Variable Combined Brake System for Motorcycles Applying the Adaptive Control Method

et al. 2021

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The variable combined brake system (VCBS) is a mechanism for motorcycles to simultaneously activate the front and rear brake systems by using one brake lever or pedal. The purpose is to reduce the risk of rollover accidents due to misuse of the front brake when panic braking. Due to its ability in a wide variation range of braking force distribution (BFD) ratios between the front and rear wheels, the VCBS can simultaneously achieve high braking effort and driving comfort performances, provided that the BFD ratio is designed appropriately. This paper aimed to develop the design method for the VCBS. A mathematical model of the VCBS mechanism is derived, and a parameter matching design method that applies adaptive control theory is proposed. A prototype of VCBS is designed and built based on the proposed method. The straight-line braking test results show that the motorcycle equipped with the VCBS prototype effectively obtained a high braking performance in deceleration. The obtained maximum deceleration is an average of 6.37 m/s2 (0.65 g) under an average handbrake lever force of 154.29 N. For front brake failure, maximum deceleration is obtained at an average of 3.38 m/s2 (0.34 g), which is higher than the homologation requirement of 2.9 m/s2.

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“…Secondly, the CBS must ensure the rear-wheel is locked first for all road conditions since the front-wheel locked first can cause the danger of losing stability. Soni et al 8 proposed a parameter tuning method for their CBS used on the disc-disc brake system through simulations to avoid rear-wheel locked during braking on cornering.…”

Section: Introductionmentioning

confidence: 99%

Design of combined brake system for light weight scooters

Lin

Tseng

Kuang

et al. 2021

Proceedings of the Institution of Mechanical Engineers, Part D:

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The combined brake system (CBS) is a mechanism that links the front and rear brakes for scooters. For two-wheeled scooters, a CBS with appropriate braking force distribution can reduce the risk of crashing accidents due to insufficient driving proficiency. The design of the braking force distribution for a CBS is challenging to the designer because it has to fulfill many requirements such as braking performance, ride comfort, reliability, and low costs. This paper proposes a systematic method to optimize the parameters of CBS. The evaluation indexes for the design are first discussed. The steps to determine the critical parameter to meet the indexes and a method to predict braking performance are developed. Finally, driving tests are carried out to verify the effectiveness of the proposed method. Experimental results showed that the deceleration of the tested scooter equipped with the designed CBS achieves an average mean fully developed deceleration (MFDD) of 5.246 m/s2, higher than the homologation requirement. Furthermore, the proposed method’s prediction of braking performance is in good agreement with the test results, with errors <1%.

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Combi Brake System (CBS) Design and Tuning on an Electric Two Wheeler for Cornering Maneuver

Cited by 5 publications

References 7 publications

Trends in Automotive Electronics

Trends in Automotive Electronics

A Design Method for a Variable Combined Brake System for Motorcycles Applying the Adaptive Control Method

Design of combined brake system for light weight scooters

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