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LIN總線(xiàn)的動(dòng)態(tài)調(diào)度算法設(shè)計(jì)與應(yīng)
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Scheduling Algorithm for Local Interconnect Network and Its Application
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    摘要:

    提出了一種用于設(shè)計(jì)LIN網(wǎng)絡(luò)消息時(shí)序的動(dòng)態(tài)調(diào)度算法。針對(duì)LIN網(wǎng)絡(luò)主從式的通信模式,提出了逆向負(fù)載率和正向負(fù)載率,用于分析系統(tǒng)的可調(diào)度性,,然后基于基本時(shí)間片和系統(tǒng)矩陣,將正向消息作為事件型消息,,將逆向消息作為周期型消息進(jìn)行動(dòng)態(tài)調(diào)度,。該算法使得在逆向負(fù)載率較小的情況下,,正向轉(zhuǎn)發(fā)消息的時(shí)效性大大提高,;網(wǎng)關(guān)設(shè)計(jì)更加靈活,,能適應(yīng)不同的正向消息到達(dá)率,在使用CAN/LIN混合網(wǎng)絡(luò)傳輸時(shí),網(wǎng)關(guān)將具有更加良好的實(shí)時(shí)性和通用性,。對(duì)該方法進(jìn)行了驗(yàn)證,,并利用該方法設(shè)計(jì)了

    Abstract:

    4個(gè)LIN網(wǎng)絡(luò)。A dynamic scheduling algorithm for LIN message scheduling was proposed. Positive direction bus load and reverse direction bus load were presented for analysis the bus schedulability. The positive message has been treated as sporadic ones while reversed the periodic ones. System matrix was used to schedule the messages based on time slice. The good real time characteristics of the algorithm were achieved and the master node of the algorithm became more flexible. Experiment has been carried out and four real networks were designed by using the algorithm.

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張新豐,楊殿閣,陸良,薛雯,連小珉. LIN總線(xiàn)的動(dòng)態(tài)調(diào)度算法設(shè)計(jì)與應(yīng)[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2009,40(3):21-25. Scheduling Algorithm for Local Interconnect Network and Its Application[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(3):21-25.

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