面向协同维修拆装仿真的并发操作控制

o effectively resolve concurrent operation during process of virtual maintenance of the same object and accomplish cooperative dismounting, concurrency control method of coordinating operation is proposed. Joint linkage matrix including information of joint type and joint axis is created in order to accomplishing the preprocessing of assembly model. According to judgment of conflict source, which consists of assembly model, assembly unit, property sort and property value, concurrency operation is subdivided and concurrency control process is established. Concurrency control methods based on adaptive motion of assembly unit is used to deal with the concurrency operation on the assembly model with deadlock joints, while considering assembly model without deadlock joints, concurrency control methods based on degree of manipulation ramification is applied. The engine assembly simulation by concurrency operation, which includes assembling the piston-cylinder rod-crankshaft with multi-joint to cylinder, is applied to prevent unsuccessful assembling because of assembly interference.