發(fā)動(dòng)機(jī)電控系統(tǒng)數(shù)據(jù)一致性的研究與實(shí)現(xiàn)
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【摘 要】為避免發(fā)動(dòng)機(jī)電控系統(tǒng)中數(shù)據(jù)一致性問題帶來的風(fēng)險(xiǎn),文章詳細(xì)介紹幾種保護(hù)機(jī)制并分析其優(yōu)缺點(diǎn),為實(shí)現(xiàn)各種應(yīng)用場(chǎng)景下的數(shù)據(jù)一致性提供一種參考方案。
【關(guān)鍵詞】發(fā)動(dòng)機(jī)電控系統(tǒng);數(shù)據(jù)一致性;Spinlock;數(shù)據(jù)備份
中圖分類號(hào):U463.6 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1003-8639( 2024 )01-0056-02
A Method for On-line Calibration of ECU Parameters*
CHEN Nana,SHI Jiatao,LIU Xiaobo
(Weichai Power Co.,Ltd.,Weifang 261012,China)
【Abstract】To avoid the risks caused by data consistency issues in the engine electronic control system,the paper introduces several protection mechanisms and analyzes their advantages and disadvantages,providing a reference solution for data consistency in various application scenarios.
【Key words】engine electronic control system;data consistency;Spinlock;data backup
隨著汽車新四化的發(fā)展,汽車電子電氣架構(gòu)不斷演進(jìn),因此需要發(fā)動(dòng)機(jī)電控系統(tǒng)能夠支持越來越復(fù)雜的軟件功能,從而推動(dòng)MCU從8位、16位到32位,從單核到雙核,甚至多核,在這個(gè)過程中,如何保證數(shù)據(jù)一致性成為軟件開發(fā)最大的挑戰(zhàn)。(剩余2855字)