Quanser

Gyro/Stable Platform

Challenge:

Design a control system to maintain the line of sight of an instrument mounted on a rotating platform.

Description:

This system is similar in nature to the control problem encountered in instruments mounted on ships. A rate gyro is mounted on the vertical shaft of a DC motor. The DC motor frame is free to rotate about the vertical axis by an unknown amount. The gyro deflection angle about the horizontal axis is measured using a sensor.

The desired outcome is to design a feedback controller that measures the gyro deflection and maintains the line of sight of the gyro frame independent of the unknown rotation at the base of the frame. As an example, a radar beam aboard a ship is expected to point in a fixed direction independent of the unknown yaw motion of the ship. This is the same as requiring the line of sight of the gyro to remain constant. The system is supplied with a PI controller. You may design any other controller you wish.

Difficulty:

Undergraduate - second course / Graduate / Project / Research

Click here to view the Demonstration Video

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