Research Article

Probabilistic Analysis of Wheel Loader Failure under Rockfall Conditions Based on Bayesian Network

Table 1

The codes and names of BN nodes.

CodenameEvent

TAbnormal operation of the loader
M1Malfunction of mechanical parts
M2Error of human
M1.1Failure of power unit
M1.2Failure of transmission-brake system
M1.3Failure of steering system
M1.4Failure of hydraulic system
M1.5Failure of working device
M1.6Failure of electrical system
X1Failure of crank connecting rod
X2Failure of valve train
X3Failure of fuel system
X4Failure of cooling system
X5Failure of transmission case
X6Failure of torque converter
X7Failure of drive axle
X8Failure of transmission shaft
X9Failure of brake foot device
X10Failure of hand brake
X11Failure of steering hydraulic pump
X12Failure of steering hydraulic valve
X13Failure of steering cylinder
X14Failure of steering gear
X15Failure of hydraulic pump
X16Failure of hydraulic valve
X17Failure of hydraulic cylinder
X18Burst of oil pipe
X19Failure of motor
X20Cracks in working device
X21Failure of driver protection structure
X22Frame broken
X23Cracks on the frame
X24The engine cannot be started due to circuit problems
X25Lack energy of the driver
X26Poor psychological quality of the driver
X27Command error of the commander