A pressure and shear sensor network system, comprising: - a sheet of dielectric material elastically deformable in compression and shear, the sheet of dielectric material having a first face and a second face, characterized in that the sensor network system includes: - a network comprising a plurality of pressure sensor cells, the cells being arranged in at least three rows and at least three columns, each cell comprising a first capacitive sensor for sensing normal pressure in a first direction, and wherein at least one cell of the sensor network comprises a second capacitive sensor for sensing shear in a second direction and a third capacitive sensor for sensing shear in a third direction, - each capacitive sensor (10, 30, 50) being consisted of a first electrode (1, 3, 5) fixed to the first face of the sheet of dielectric material and a second electrode (2, 4, 6) fixed to the second face of the sheet of dielectric material, - said first electrodes (1, 3, 5) of the capacitive sensors (10, 30, 50) of a cell being connected in series to a first electrically conductive track connecting a row of cells of the sensor network; - the second electrode of the capacitive normal-pressure sensor of a cell being connected to a second electrically conductive track connecting a column of capacitive normal-pressure sensors of the sensor network, the second electrode of the capacitive sensor for sensing shear in the second direction being connected to a third electrically conductive track connecting a row of capacitive sensors for sensing shear in the second direction of the sensor network; and the second electrode of the capacitive sensor for sensing shear in the third direction being connected to a fourth electrically conductive track connecting a column of capacitive sensors for sensing shear in the third direction of the sensor network, said first and second electrodes (3, 4, 5, 6) of the capacitive shear sensors (30, 50) being comb-shaped, and in that the sensor network system comprises addressing means adapted to measure the electrical capacitance of a capacitive sensor (10, 30, 50) located at the intersection of a row and a column, said row corresponding to a first track connected to said first electrode (1, 3, 5) and said column corresponding to another track (12, 14, 16) connected to one of said second electrodes (2, 4, 6). - a sheet of dielectric material elastically deformable in compression and shear, the sheet of dielectric material having a first face and a second face, - a network comprising a plurality of pressure sensor cells, the cells being arranged in at least three rows and at least three columns, each cell comprising a first capacitive sensor for sensing normal pressure in a first direction, and wherein at least one cell of the sensor network comprises a second capacitive sensor for sensing shear in a second direction and a third capacitive sensor for sensing shear in a third direction, - each capacitive sensor (10, 30, 50) being consisted of a first electrode (1, 3, 5) fixed to the first face of the sheet of dielectric material and a second electrode (2, 4, 6) fixed to the second face of the sheet of dielectric material, - said first electrodes (1, 3, 5) of the capacitive sensors (10, 30, 50) of a cell being connected in series to a first electrically conductive track connecting a row of cells of the sensor network; - the second electrode of the capacitive normal-pressure sensor of a cell being connected to a second electrically conductive track connecting a column of capacitive normal-pressure sensors of the sensor network, the second electrode of the capacitive sensor for sensing shear in the second direction being connected to a third electrically conductive track connecting a row of capacitive sensors for sensing shear in the second direction of the sensor network; and the second electrode of the capacitive sensor for sensing shear in the third direction being connected to a fourth electrically conductive track connecting a column of capacitive sensors for sensing shear in the third direction of the sensor network, said first and second electrodes (3, 4, 5, 6) of the capacitive shear sensors (30, 50) being comb-shaped,