The calculating model for the packing degree of spherical particles system was modified. The grain grading model of cement-based materials was established and c
Aluminum laminate is one kind of the rigidizable composite materials and plays an important role in construction of the inflatable space structure(ISS),which ha
The cooperative motion planning of nonholonomic wheeled mobile manipulators(WMM)with kinematic redundancy in the constrained workspace was studied.A trajectory