Importance

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Abstract

The disclosure relates to a system for measuring electric and/or magnetic field of an object, the system comprising: an underwater vehicle comprising: a plurality of links (2a-2d) that are connected to one another by joint modules for generating a flexural motion of the underwater vehicle: wherein the flexural motion devices enable movement of the underwater vehicle and control of the orientation and/or location of the underwater vehicle, wherein the plurality of the links define a hull having a first end (4a) and a second end (4b): a sensor arrangement comprises: a first electrode (6a) mounted on the first end (4a) of the hull: a second electrode (6b) mounted on the second end (4b) of the hull: the first and the second electrode configured to measure electric field of an object, the electric field data sampled with sampling frequencies between 1 and 300 Hz; and/or a first single, 2-, or 3-axes magnetometers (7a) mounted inside the first end (4a) of the underwater vehicle: a second single, 2-, or 3-axes magnetometers (7b) mounted inside the second end (4b) of the underwater vehicle: the single, 2-, or 3-axes magnetometers configured to measure a magnetic field of the object, wherein distance and relative position between the first end of the hull and the second end of the hull is adjustable to enable measuring electric and/or magnetic field in one or more planes/directions. The disclosure further relates to a method of measuring electric and/or magnetic field of an object with an underwater vehicle.

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First Claim