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基于TTCAN的汽車控制系統(tǒng)信息調(diào)度設(shè)計(jì)與分析
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    摘要:

    針對汽車動(dòng)力控制系統(tǒng)中實(shí)時(shí)控制信息通信的高性能需求，提出了基于TTCAN協(xié)議的均勻裝載（AL）調(diào)度算法來解決時(shí)間觸發(fā)調(diào)度問題，分析了AL方法的調(diào)度策略，應(yīng)用基于TTCAN協(xié)議的AL 調(diào)度算法和基于CAN協(xié)議的RM算法對汽車控制系統(tǒng)信息分別進(jìn)行了網(wǎng)絡(luò)調(diào)度設(shè)計(jì)。通過對實(shí)時(shí)性、周期抖動(dòng)和總線使用率等網(wǎng)絡(luò)性能指標(biāo)的分析和對比，證實(shí)了新TTCAN方案比傳統(tǒng)CAN方案具有更好的性能。

    Abstract:

    Aimed at meeting high performances of automotive real-time control system and based on time-triggered CAN (TTCAN), a new average-loading (AL) scheduling algorithm was proposed and the scheduling strategy was explained concretely. The AL scheduling algorithm based on TTCAN and rate monotonic (RM) based on CAN were respectively used to schedule the network of typical automotive control system. According to the special requirements of automotive network, three criterions of network capability including real-time capability, period jitter and bandwidth utilization factor were explained. Finally, the networks based on the two algorithms were respectively analyzed and compared with the criterions. The result verified the feasibility and superiority of the AL algorithm based on TTCAN.

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曹萬科,張?zhí)靷b,劉應(yīng)吉,王永富.基于TTCAN的汽車控制系統(tǒng)信息調(diào)度設(shè)計(jì)與分析[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2007,38(12):41-44.[J]. Transactions of the Chinese Society for Agricultural Machinery,2007,38(12):41-44.

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