Fig. 1

Virtual experiment scene

Fig. 2

Serial and parallel assembly sequence planning of parts

Fig. 3

Real-time display of external scene image in virtual assembly scene

Fig. 4

Classical octree AABB hierarchical bounding box algorithm

Fig. 5

Optimized octree AABB hierarchical bounding box algorithm

Fig. 6

Control experiment of leap motion

Fig. 7

Control experiment of oculus rift

Fig. 8

Time comparison curve for volunteers to complete virtual assembly operation

Fig. 9

Evaluation results of immersion of virtual assembly system

Fig. 10

Experimental scene of single-channel interaction and multi-channel interaction comparison

Fig. 11

Time comparison curve for first three groups of volunteers to pick up the oil conservator

Fig. 12

Time comparison curve for first three groups of volunteers to pick up the low voltage bushing

Fig. 13

Time comparison curve for first three groups of volunteers to pick up the oil drain valve

Fig. 14

Total time comparison curve for volunteers to complete assembly tasks

Table 1

Detailed parameters for valve and oil conservator models

Table 2

Results of experimental group and control group were compared