According to an embodiment of the present invention, an apparatus for controlling the multi-variable compliance of a robot includes: a spring unit configured to be rotatable, and including a plurality of springs having different spring coefficients; and a spring selecting unit configured to select portions where the springs touch each other to variably adjust the rigidity. According to the present invention, a mechanism capable of appropriately changing the rigidity may be realized with a wide range of rigidity by including the spring unit including the rotatable springs having different spring coefficients, and the spring selecting unit configured to adjust the portions where the springs touch each other such that the springs can sequentially come into contact with each other.;COPYRIGHT KIPO 2015
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