A ferrofluid based artificial tactile sensor with magnetic field control

Ferrofluids and bio-ferrofluids: looking back and stepping forward

“…729 Applications of ferrofluidic inertial sensors refer to inclination angle measurements of oil well bores and steering of drill bits, 665 as well as to calibration of sea and land gravimeters and horizontal acceleration measurements for seismic noise monitoring. 729 A bio-inspired tactile sensor also based on the ferrofluidic levitation effect 733 relates the external mechanical stimuli producing the deflection of a submerged rod in a ferrofluid volume to a certain distortion of the magnetic field detected by a Hall sensor.…”

Flexible Ferrofluids: Design and Applications

“…Using this strategy, multiple mechanical information, including inclination angle, flow rate, accelerated velocity, etc., could be acquired. The other strategy is detecting the motion of paramagnetic body submerged in ferrofluids . These sensors mainly consist of a rigid nonmagnetic rod connected with a paramagnetic body that is immersed in a ferrofluid tank.…”

“…Based on the significant progress in both theoretical and technical aspects, a large number of breakthroughs have been reported and the application fields of ferrofluids have been largely expanded. Apart from employing them widely in energy and mechanical engineering areas, researchers also associate ferrofluids with novel optical or polymerizable materials and thus develop multiple kinds of composite materials such as polymer‐like architectures, magnetically responsive photonic crystals, and microrobots . Besides, when integrated into microfluidic systems, ferrofluids are found to achieve a broad range of applications from droplet manipulation to on‐demand synthesis and detection .…”

Contactless Determination of a Permanent Magnet’s Stable Position within Ferrofluid

“…Ferrofluid-based devices and applications have captured the attention of many researchers around the globe. This artificial magnetically sensitive liquid substance exhibits some special properties when it is exposed to a magnetic field, and thus it has found its place in some promising applications, such as dampers [1][2][3][4][5], accelerometers [6][7][8], vibration absorbers [9][10][11][12][13][14], and various sensors [15][16][17].…”