<p>A control device of a compressor (201) includes a valve control unit (11) configured to control an anti-surge valve (206) that returns fluid in a discharge side of the compressor (201) to a suction side of the compressor (201) in accordance with a control parameter, a simulation unit (102) configured to simulate operational status of the compressor (201) in a plant in accordance with a plant model and the control parameter of the plant to which the compressor (201) is installed, and a control parameter adjusting unit (103) configured to adjust the control parameter in accordance with a result of the simulation.</p>
