Control device, method, machine-readable storage medium, and computer program product

A control device, comprising:

• a memory for storing executable instructions;
• and
• a processor configured to execute the executable instructions to implement a method of obtaining multi-level parameters of a reactor which comprise manipulation-level parameters, regulation-level parameters, and target-level parameters;
• in response to the target-level parameters not being within a target preset range, determining an expected regulation range of the regulation-level parameters based on the target-level parameters and the target preset range;
• determining an expected manipulation range of the manipulation-level parameters based on the expected regulation range of the regulation-level parameters;
• and
• issuing a control command to control the manipulation-level parameters to fall within the manipulation expected range, thereby controlling the regulation-level parameters to fall within the regulation expected range, and ultimately controlling the target-level parameters to fall within the target preset range.