An armature for a motor, particularly a linear motor, comprising: a pair of magnetic structures (502a, 502b) defining a spatial period of the armature defined as the total number of permanent magnets (502a1 - 502a4, 502b1 - 502b4) required to rotate the magnetic polarity vectors of the permanent magnets (502a1 - 502a4, 502b1 - 502b4) by 360 degrees, the pair of magnetic structures (502a, 502b) comprising a first magnetic structure comprising at least three first permanent magnets (502a1 - 502a4) of said permanent magnets (502a1 - 502a4, 502b1 - 502b4); and a second magnetic structure comprising at least three second permanent magnets (502b1 - 502b4) of said permanent magnets(502a1 - 502a4, 502b1 - 502b4); wherein the first magnetic structure forms a first magnetic field having a first magnetic polarity and the second magnetic structure forms a second magnetic field having a second magnetic polarity, the first magnetic polarity being opposite to the second magnetic polarity, and wherein the first permanent magnets (502a1 - 502a4) include a first outer permanent magnet (502a4) that is adjacent to a second outer permanent magnet (502b1) of the second permanent magnets (502b1 - 502b4), wherein the intra angles of the magnetic polarity vectors between each two adjacent permanent magnets (502a1 - 502a4, 502b1 - 502b4) within each of the first and second magnetic structure (502a, 502b) are the same, and the inter angle between the magnetic polarity vectors of the first and second outer permanent magnets (502a4, 502b1) is different than the intra angles and characterized in that the pair of magnetic structures (502a, 502b) includes eight permanent magnets (502a1 - 502a4, 502b1 - 502b4) in a row along a direction of motion. a pair of magnetic structures (502a, 502b) defining a spatial period of the armature defined as the total number of permanent magnets (502a1 - 502a4, 502b1 - 502b4) required to rotate the magnetic polarity vectors of the permanent magnets (502a1 - 502a4, 502b1 - 502b4) by 360 degrees, the pair of magnetic structures (502a, 502b) comprising a first magnetic structure comprising at least three first permanent magnets (502a1 - 502a4) of said permanent magnets (502a1 - 502a4, 502b1 - 502b4); and a second magnetic structure comprising at least three second permanent magnets (502b1 - 502b4) of said permanent magnets(502a1 - 502a4, 502b1 - 502b4); a first magnetic structure comprising at least three first permanent magnets (502a1 - 502a4) of said permanent magnets (502a1 - 502a4, 502b1 - 502b4); and a second magnetic structure comprising at least three second permanent magnets (502b1 - 502b4) of said permanent magnets(502a1 - 502a4, 502b1 - 502b4); wherein the first magnetic structure forms a first magnetic field having a first magnetic polarity and the second magnetic structure forms a second magnetic field having a second magnetic polarity, the first magnetic polarity being opposite to the second magnetic polarity, and wherein the first permanent magnets (502a1 - 502a4) include a first outer permanent magnet (502a4) that is adjacent to a second outer permanent magnet (502b1) of the second permanent magnets (502b1 - 502b4), wherein the intra angles of the magnetic polarity vectors between each two adjacent permanent magnets (502a1 - 502a4, 502b1 - 502b4) within each of the first and second magnetic structure (502a, 502b) are the same, and the inter angle between the magnetic polarity vectors of the first and second outer permanent magnets (502a4, 502b1) is different than the intra angles and characterized in that the pair of magnetic structures (502a, 502b) includes eight permanent magnets (502a1 - 502a4, 502b1 - 502b4) in a row along a direction of motion.