汽车发动机电控系统对汽车速度控制和排放控制有很大影响。
The Engine electronic control system has great influence on automobile speed and emission control .
为研究汽车发动机电控系统的故障诊断，设计制作了丰田5a - FE型电控发动机仿真实验台。
A simulation experimental platform for Toyota 5a-fe electronically controlled engine is designed to study the failure diagnosis of the electronically controlled system of the engine.
合理选择残差信号的阈值，能够可靠地诊断汽车发动机电控系统负载不可测且存在随机干扰时的故障。
The faults in the automotive engine control systems can be reliably diagnosed by the proposed method through suitable choice of the threshold for the residual signals of the UIFDOs.
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