FlexRay Network Parameter Optimization Method for Automotive Applications

Park, Inseok; Sunwoo, Myoungho

doi:10.1109/tie.2010.2049713

Cited by 78 publications

(29 citation statements)

References 16 publications

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“…For the DYN segment, the key characteristic is the worst case response time of DYN messages. We present a new method which can compute more precisely than that in paper [18]. The method in paper does not consider DYN message' continuous arrival time and may calculate the worst case response time roughly lead to schedulable messages as unschedulable [18].…”

Section: Resultsmentioning

confidence: 99%

“…We present a new method which can compute more precisely than that in paper [18]. The method in paper does not consider DYN message' continuous arrival time and may calculate the worst case response time roughly lead to schedulable messages as unschedulable [18]. 100 sets of DYN messages are put into systems the result can be seen in figure 7 which shows the percentage of scheduled messages is better than paper at the same condition [18] .…”

Section: Resultsmentioning

confidence: 99%

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Message Scheduling Algorithm Design for Switched FlexRay Network

Xu¹

2017

IJMO

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Abstract-As the improvement of vehicle automation technology, it respects high standards in the field of in-vehicle communication. Because of the fast transmission speed and reliability of the FlexRay network, it has become the most popular in-vehicle communication protocol. The topologies of FlexRay is various, including linear, star and hybrid topology structure, it also supports two-channel transmission. On the base of these advantages, the switched FlexRay network is put forward which can extend the system bandwidth and reliability. This paper designs the scheduling algorithm for the switched FlexRay network, and one new method which can precisely compute the value of the worst case response time of DYN messages is presented. The experiments with computer simulations prove the efficiency and improvements of the proposed scheduling algorithm, and the results show that the worst case response time computing method is better than previous methods.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Message Scheduling Algorithm Design for Switched FlexRay Network

Xu¹

2017

IJMO

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“…The vehicle electronic control system unit is used the typical design [9,10]. The electronic control system unit is connected to the FlexRay node through the FlexRay communication module.…”

Section: A Bbw System Componentsmentioning

confidence: 99%

Research on Automotive Brake-by-wire System Based on FlexRay Bus

Liu¹,

Zhang²,

Wang³

et al. 2017

Proceedings of the 2017 5th International Conference on Frontiers of Manufacturing Science and Measuring Technology (FMSMT 2017

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Abstract. The vehicle's next generation presents new requirements for high performance, high reliability and high stability of the body layout and electronic control unit (ECU). Using FlexRay bus to realize the ECU is an ideal solution for those requirements. The FlexRay technology can effectively improve the vehicle's safety and stability, while eliminating the traditional mechanical or hydraulic control devices. This paper has researched the vehicle brake-by-wire (BBW) system, which bases on FlexRay bus. The BBW is mainly composed of the motor driver module, the main control board, and the action board. The BBW system prototype has been constructed, and the vehicle's feasibility and practicability are verified on site. The results show that the system performances meet the design requirements.

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“…One is composed by the host processor, communication controller and the bus driver, for example the architecture of MPC5567+MFR4310+TJA1080. The other is composed by the host processor with integrated communication controller and bus driver [15,16]. The former is an early FlexRay communication unit mode and the hardware circuit structure is more complex.…”

Section: Hardware Design Of Flexray Communi-cation Unitmentioning

confidence: 99%

Design and Realization of FlexRay Communication Unit in Vehicle Network

Wang¹,

Hui²,

Liang³

2014

TOCSJ

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Abstract:The conventional FlexRay communication unit has complex wiring and low reliability, in order to improve the network rate, reliability and flexibility, this paper adopts the method of hardware and software combination. This article designed the FlexRay bus communication unit with the background of high-performance MC9S12XF microcontroller. The hardware structure and software design processes of the FlexRay communication unit are proposed respectively. In this paper, certain scientific basis for FlexRay communication exploitation is provided for the circuit with the characteristics of real-time, simple hardware design and high reliability.

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FlexRay Network Parameter Optimization Method for Automotive Applications

Cited by 78 publications

References 16 publications

Message Scheduling Algorithm Design for Switched FlexRay Network

Message Scheduling Algorithm Design for Switched FlexRay Network

Research on Automotive Brake-by-wire System Based on FlexRay Bus

Design and Realization of FlexRay Communication Unit in Vehicle Network

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