Control circuit of tunneling robot

The invention discloses a control circuit of a tunneling robot. The control circuit comprises an MCU control circuit, an upper computer storing and control circuit, an FPGA movement control circuit, a joint motor driving circuit, a tunneling motor driving circuit, a joint motor, a joint encoder, a tunneling motor, a current detection circuit and a signal processing circuit; the MCU control circuit is connected with the upper computer storing and control circuit, the FPGA movement control circuit, the tunneling motor driving circuit and the signal processing circuit; the FPGA movement control circuit is also connected with the joint encoder and the joint motor driving circuit; the current detection circuit is connected with the joint motor driving circuit, the tunneling motor driving circuit and the signal processing circuit; the joint motor and the tunneling motor are respectively connected with the corresponding driving circuits. With the adoption of the control circuit, each motor of the robot can be controlled to independently move to detect the current on real time; the instant information storing function is provided; the semi-autonomous control can be achieved; therefore, the working efficiency, stability and safety of the robot can be improved.