一种轻型柴油车满足预热等待后起动控制方法

A Method for Starting Control of a Light-duty Diesel Vehicle after Satisfying the Preheating Wait

为改善搭载直接发送起动请求的被动进入与被动启动(Passive Entry Passive Start,PEPS)系统的柴油车的冷起动性能,以某款2.5L轻型柴油汽车为研究对象,通过对比直接起动和满足预热等待后起动两种起动方法,选取不同试验地点进行冷起动验证。结果表明,车辆在高原和低温环境下直接起动方法未能成功起动,而满足预热等待后起动方法能正常起动;车辆在平原常温环境下满足预热等待后起动方法比直接起动方法起动时间更短。

To enhance the cold start performance of diesel vehicles integrated with Passive Entry Passive Start PEPS systems,enabling seamless entry and ignition with a direction command,a comprehensive study was undertaken on a 2.5-liter light-duty diesel vehicle.The comparison between direct start and a start after a preheating wait was performed at diff erent test locations to validate the cold start performance.The results indicated that the direct start method was ineff ective in initiating the vehicle’s operation in high-altitude,low-temperature conditions,whereas employing a preheating wait prior to starting ensured successful ignition.Furthermore,in standard environments with moderate temperatures,initiating the vehicle after a preheating wait proved to be more expeditious than the direct start method.