a signal acquisition module for acquiring detected motion data from the triboelectric sensor and if present, the further triboelectric sensor; and 

a driver in communication with the signal acquisition module and being configured to transmit control signals to a machine in accordance with the detected motion data to move at least part of the machine in two or three dimensions. 

## BRIEF DESCRIPTION OF THE DRAWINGS 

Some embodiments of a triboelectric sensor and a triboelectric control system, in accordance with present teachings will now be described, by way of non- limiting example only, with reference to the accompanying drawings in which : 

Figure 1 shows: (a) an embodiment of a triboelectric control system including a 2D triboelectric sensor patch attached to a user’s arm and a I D triboelectric sensor patch attached to the user’s wrist and fingers; (b) a top plan view of an embodiment of a 2D triboelectric sensor patch; (c) a top plan view of an embodiment of a I D triboelectric sensor patch; (d) a schematic illustration of the working principle of an embodiment of a 2D triboelectric sensor patch; (e) electrostatic analysis of the contact process of Figure 1(d); (f) Voltage ratio of electrode 3 (E3) and electrode 1 (El) of the sensor patch of Figure 1(b) with the location of charges changing, and voltage ratio of electrode 4 (E4) and electrode 2 (E2) with the location of charges changing; 

Figure 2 shows the TENG based working mechanisms of an HPE electrode, and the electrical characteristics of the electrode; 

Figure 3 shows a block architecture of an embodiment of a triboelectric control system; 

Figure 4 shows various alternative embodiments of a triboelectric sensor; 

Figure 5 shows operational characteristics of an embodiment of a triboelectric sensor worn by a user; 

