Equipment management system

An equipment management system comprising:

• an adaptive system control unit which is assigned to at least one piece of equipment installed in a plant and which monitors and controls the at least one piece of equipment via wireless communication;
• a field manager which is assigned in units of plant and manages at least one adaptive system control unit;
• and
• a service manager for managing at least one field manager, wherein the service manager performs a service including guaranteeing quality and protecting information based on a contract with the client,
• wherein:
• the adaptive system control unit:
• detects information from the at least one piece of equipment,
• guarantees that only acquisition intended information which is previously intended to be acquired in the detected information is acquired by the adaptive system control unit, and erases acquisition non-intended information,
• selects a propagation path when transmitting data including information controlled by guaranteeing of the adaptive system control unit, to outside the plant, and
• controls the at least one piece of equipment based on a local service policy in which the adaptive system control unit controls the equipment in consideration of the service quality, the local service policy is transmitted from the field manager;
• the field manager:
• selects a propagation path for the data transmitted to an adaptive system control unit under control of the field manager,
• acquires operation information in units of plant,
• generates the local service policy based on a service policy transmitted from the service manager, and the operation information of the equipment in the plant, and
• transmits the local service policy to the adaptive system control unit;
• and
• the service manager:
• selects a propagation path for the data transmitted to a field manager under control of the service manager,
• generates the service policy for performing the service, the service policy including the acquisition intended information, and
• transmits the service policy to the field manager.