Control system and control method for assembly tool of lower equipment compartment of motor train unit

The invention relates to a control system and a control method for an assembly tool of a lower equipment compartment of a motor train unit. The control system comprises a control cabinet and control devices; a first main control board in the control cabinet stores motor train unit types and to-be-slid position information of first positioning frames corresponding to the motor train unit types; thecontrol cabinet provides a power supply for the control devices and sends the to-be-slid position information of the first positioning frames to the control devices; the control devices are arrangedon the first positioning frames; each control device comprises a driving device, a second main control board and a storage unit used for storing current position information of the first positioning frame; each driving device comprises a driving part connected with each second main control board and an optical encoder connected with the driving part and used for correcting a deviation of the driving part; and each second m