DPF failure diagnosis is carried out by on-board smoke hanging test, to verify the feasibility of this diagnosis strategy, no-load, medium load and full-load test are respectively carried out.
DPF失效诊断是通过车载挂烟试验进行的，为了验证本诊断策略的可行性，试验分别进行了空载、中等载荷和满载试验。
The intelligent hydraulic controlling system consisting of test control board and intelligent control sensors is used to exert load automatically and keep model pressure stable.
智能液压控制系统用于试验模型的自动加载与稳压，主要包括试验控制台和智能控制传感器。
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