Based on the motion equations of an unbalanced spherical rotor with contactless suspension,three methods of MUM (mass unbalance measurement) are put forward to
To control the position of differential cylinder closed loop without using any throttle elements, a new idea that two speed variable pumps are used to compensat
It is an important precondition for machine fault diagnosis that vibration signal can be extracted effectively. Based on the characteristic of noise interfused
It has been postulated that, with tensile loading conditions, micro-cracks on thin hard film act as stress concentrators enhancing plastic deformation of the su
A new hydroforming process for manufacturing corrosion-resistant-alloy (CRA)-lined pipe is proposed to overcome the disadvantages in existing technologies, and