The invention discloses a
mobile phone data line performance test and fault prediction method and
system, and belongs to the technical field of electronic product detection and fault prediction. The power-
on resistance, the
voltage stability, the charging current response and the
data transmission rate of a target data line are collected, and under the conditions of different bending angles,
insertion and extraction cycles and environment temperatures, the
data transmission rate of the target data line is calculated; acquiring stress response data, and extracting multi-dimensional stress principal component characteristics; the electrical property and stress data are fused, a performance degradation correlation model is established, and
coupling modeling of data line internal structure damage and electrical property degradation is achieved; historical use data are input, analogue
simulation is carried out through the model, and residual performance indexes are generated; judging whether a fault risk exists or not according to a set threshold value, and outputting early warning information if the fault risk is lower than the threshold value; meanwhile, a fault position and a mode type are inferred in combination with an internal characteristic spectrum of the model; the method has high prediction precision, strong structural adaptability and good expansibility, and is suitable for
quality control and intelligent diagnosis of
consumer electronic cable products.