Inspection system, server device, and inspection method

A server device of remotely or autonomously inspecting a mobile body that is movable through unattended operation, the server device comprising:

• a processor, wherein
• the processor is configured to:
• generate a control instruction that causes the mobile body to operate, and transmit the control instruction to the mobile body from outside of the mobile body;
• and
• execute an abnormality process determined in advance in a case where a difference obtained by comparing at least two of physical quantities for the mobile body as a target is more than a criterion value determined in advance, the physical quantities including a first physical quantity related to operation of the mobile body achieved according to the control instruction, the first physical quantity being calculated using the control instruction, a second physical quantity related to the operation, calculated using a result of a detection by an internal sensor mounted on the mobile body to detect a state of the mobile body, and a third physical quantity related to the operation, calculated using a result of a detection by an external sensor positioned outside the mobile body.