Robot system, and control method

A robot system is provided in which various kinds of articles can be treated only with a small number of articles registered in advance, and an unknown article can be further treated as long as the article has a shape close to that of the article registered in advance. A robot system is disclosed which includes: a mechanism unit that manipulates an article to be manipulated; a shape measurement unit that measures a shape of an object; a basic operation storage unit that stores basic operation representing basic operation of the mechanism unit; an operation method calculation unit that deforms the stored basic operation to calculate an operation method on the basis of the shape of the object measured by the shape measurement unit; and a control unit that executes a control of the mechanism unit on the basis of the operation method calculated by the operation method calculation unit.