“…However, due to improper or untimely treatment measures and the comprehensive effect of other reasons, the fault of this component may cause a series of associated components fault, resulting in failure of the task process. The failure of the task process of industrial robots is the non‐linear process [9–11] of the interaction of various components in the industrial robot system. Therefore, by the self‐organised critical theory explained the whole process of the failure, eliminated hidden danger timely can prepare for the prevention and reduction of robot faults.…”