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首页> 外文期刊>BioTechnology: An Indian Journal >Research on performance optimal control and experiment for gasoline engine under oxygenenriched air intake condition
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Research on performance optimal control and experiment for gasoline engine under oxygenenriched air intake condition

机译：富氧进气条件下汽油机性能优化控制与试验研究。

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摘要

The study object in this work is air cooling single cylinder gasoline engine with four strokes. The gasoline engine performance test bed was established based on oxygenenriched air intake and the mixed air intake with objective oxygen-enriched proportion was prepared. The optimal control of gasoline engine performance under oxygen-enriched air intake conditions was realized, whose control error was not larger than ±1.5% and the response time was not longer than 10 s. The gasoline engine performance verification test was performed by two air intake ways: normal air intake and MAP controllable oxygenenriched air intake. After comparison between the test data of oxygen-enriched and normal air intake ways, it can be analyzed that the average torque growth rate of oxygenenriched air intake way under full load condition is 17.76%. The average fuel consumption reduction rate of oxygen-enriched air intake way under the rotate speed of 3000 r/min is 12.68%. The HC average reduction rate of oxygen-enriched air intake way under the rotate speed of 2000 r/min is 14.88%, CO average reduction rate is 17.85%, and NOx average increase rate is 7.42%. The comprehensive performance of gasoline engine under oxygen-enriched condition is improved and the goal of energy conservation and emission reduction is achieved.
机译：这项工作的研究对象是四冲程风冷单缸汽油发动机。以富氧进气量为基础建立了汽油机性能试验台，制备了富氧比例客观的混合进气。实现了在富氧进气条件下汽油机性能的最佳控制，其控制误差不大于±1.5％，响应时间不大于10s。汽油机性能验证测试通过两种进气方式进行：正常进气和MAP可控的富氧进气。将富氧进气道与普通进气道的测试数据进行比较，可以分析出全负荷工况下富氧进气道的平均转矩增长率为17.76％。在3000r / min的转速下，富氧进气道的平均燃料消耗降低率为12.68％。在2000r / min的转速下，富氧进气道的HC平均减少率为14.88％，CO平均减少率为17.85％，NOx平均增加率为7.42％。提高了汽油机在富氧条件下的综合性能，达到了节能减排的目的。

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