September 2006
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7 Reads
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3 Citations
On the basis of detailed analyses of the problems such as the concurrent operation, the dead lock and the consistency maintenance in the solving process of distributed constraint network of multidisciplinary collaborative design, a time based lock-adding algorithm is put forward to resolve all the problems above. A strategy locking constraint resources using 'write lock' and 'read lock' is presented to consider the time delay of data transmission and improve the efficiency of concurrent operation. The realization of main algorithms for constraint network solving is given.