Degree Of Freedom

Degrees of freedom is a general term used to express dependence onparameters, and implies the possibility of counting the number of those parameters. In mathematical terms, the degrees of freedom are the dimensions of a phase space. Robot arms are often categorized by their degrees of freedom (typically achieving more than six degrees of freedom). This number typically refers to the number of single-axis rotational joints in the arm, where a higher number indicates an increased flexibility in positioning a tool. This is a practical metric, in contrast to the abstract definition of degrees of freedom which measures the aggregate positioning capability of a system