Three-degree-of-freedom flexible touch sensing array

The invention discloses a three-degree-of-freedom flexible tactile sensing array. Each sensing unit comprises a first dielectric layer, a second dielectric layer, a third dielectric layer and a fourth dielectric layer, the first sensing part comprises a first suspension electrode group which is arranged on the first dielectric layer, and a second suspension electrode group which is arranged on the second dielectric layer; the first induction electrode group is arranged in the second dielectric layer and is far away from one surface of the first dielectric layer; the second induction part comprises a second suspension electrode group which is arranged on the first dielectric layer; the second induction electrode group is arranged in the second dielectric layer and is far away from one surface of the first dielectric layer; the first induction electrode group and the second induction electrode group are arranged in parallel; the first induction electrode group is used for detecting tangential force in a first d