Patent ID: 11879817
Assignee: CHINA UNIVERSITY OF PETROLEUM
Field: Measurement (Instruments)
Classification: CPC G  E | IPC E  G

Claim 4:
5. The ground testing device for a stabilized platform of a rotary steerable drilling tool according to claim 4, further comprising a control unit, wherein the control unit comprises a main controller, a driving controller and a measurement unit, the driving controller comprises an upper turbine generator driving controller for driving the upper turbine generator to rotate and a lower turbine generator driving controller for driving the lower turbine generator to rotate, the measurement unit comprises an upper current sensor for measuring a current of the upper turbine generator, a lower current sensor for measuring a current of the lower turbine generator, a tool face angle measurement unit for measuring a tool face angle, a voltage sensor for measuring a bus voltage, and a rotating speed sensor for measuring a rotating speed of the lower turbine generator, and the main controller provides current set values for the upper turbine generator driving controller and the lower turbine generator driving controller respectively according to measurement data of the upper current sensor, measurement data of the lower current sensor, measurement data of the voltage sensor, measurement data of the rotating speed sensor, measurement data of the tool face angle measurement unit, a tool face angle set value, a direct current bus voltage set value and external working condition information so as to adjust electromagnetic torque of the upper turbine generator and the lower turbine generator.