Monomotor bogies , where both axles of the bogie are driven by a single motor , often encounter torsional resonances, which lead to periodic longitudinal slip.
Driven by the responsibility for the plant environment and human health ,Yonker made great progress and it is strongly growing up in the field of environment protection .
In this paper, a computer monitoring and control system for mine elevator and its hardwareand software designs are presented.The elevator is driven by a DC motor and controlled by an amplidyne.