Biologically inspired design of hydrogel-capped hair sensors for enhanced underwater flow detection

McConney, Michael E.; Chen, Nannan; Lu, David; Hu, Huan; Coombs, Sheryl; Liu, Chang; Tsukruk, Vladimir V.

doi:10.1039/b808839j

Cited by 102 publications

(113 citation statements)

References 22 publications

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“…Their artificial neuromasts were made of SU-8 and based on a piezo-resistive stress-strain gauge. Other authors developed piezo-resistive artificial flow sensors with a sensitivity comparable to that of the fish lateral line [39,41,43,52]. Fan et al [53] introduced a striking technique to fabricate out-of-plane cantilevers made from metal and polymer that also acted as a stress gauge.…”

Section: Biomimetic Flow Sensors: State Of the Artmentioning

confidence: 99%

“…With the exception of the hot-wire array presented by Yang et al [28], biomimetic approaches picked up fluid motion by means of a flow-induced deflection of a cantilever-like or lamella-shaped structure (an artificial cupula), which was detected by piezo-electric [38], resistive [39][40][41][42][43], capacitive [44][45][46], ionic polymer-metal composite (IPMC)-based [29,47] or optical [48][49][50][51] read-out techniques.…”

Section: Biomimetic Flow Sensors: State Of the Artmentioning

confidence: 99%

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Micro-Machined Flow Sensors Mimicking Lateral Line Canal Neuromasts

et al. 2015

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Fish sense water motions with their lateral line.The lateral line is a sensory system that contains up to several thousand mechanoreceptors, called neuromasts. Neuromasts occur freestanding on the skin and in subepidermal canals. We developed arrays of flow sensors based on lateral line canal neuromasts using a biomimetic approach. Each flow sensor was equipped with a PDMS (polydimethylsiloxane) lamella integrated into a canal system by means of thick-and thin-film technology. Our artificial lateral line system can estimate bulk flow velocity from the spatio-temporal propagation of flow fluctuations. Based on the modular sensor design, we were able to detect flow rates in an industrial application of tap water flow metering. Our sensory system withstood water pressures of up to six bar. We used finite element modeling to study the fluid flow inside the canal system and how this flow depends on canal dimensions. In a second set of experiments, we separated the flow sensors from the main stream by means of a flexible membrane. Nevertheless, these biomimetic neuromasts were still able to sense flow fluctuations. Fluid separation is a prerequisite for flow measurements in medical and pharmaceutical applications.

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Section: Biomimetic Flow Sensors: State Of the Artmentioning

confidence: 99%

Section: Biomimetic Flow Sensors: State Of the Artmentioning

confidence: 99%

Micro-Machined Flow Sensors Mimicking Lateral Line Canal Neuromasts

et al. 2015

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“…Good results were obtained in their experiments. McConney et al [26] designed a biomimetic hydrogel-covered cilia sensor system through precision casting. The performance of object detection is enhanced by two orders of magnitude [26].…”

Section: Related Workmentioning

confidence: 99%

“…McConney et al [26] designed a biomimetic hydrogel-covered cilia sensor system through precision casting. The performance of object detection is enhanced by two orders of magnitude [26]. When detecting a 50 Hz dipole source with 15 mm in distance, a speed sensitivity of 2.5 µm s −1 was achieved.…”

Section: Related Workmentioning

confidence: 99%

A novel biomimetic sensor system for vibration source perception of autonomous underwater vehicles based on artificial lateral lines

Liu

Gao

Sarkodie-Gyan

et al. 2018

Meas. Sci. Technol.

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The perception of vibration sources can be used to detect, classify, locate, and track autonomous underwater vehicles (AUVs), which is of great importance for ocean scientific research and naval applications. The artificial lateral lines system (ALLS) is a promising technique to sense underwater vibration sources. However, most current ALLS research focuses on perception mechanism and biomimetic sensor design. The design of a systematic ALLS that is ready for practical applications is still an unsolved problem. To this end, a novel biomimetic sensor system is proposed in this work for the purpose of developing a practical ALLS for AUVs. In order to determine the distribution of the developed biomimetic sensors in the AUVs, hydromechanics modelling and simulation of the artificial lateral lines were implemented to investigate the pressure response mechanisms of the AUVs in terms of the position, frequency and amplitude of the vibration source(s). Subsequently, an experimental AUV was equipped with biomimetic sensors to evaluate the performance of the vibration source perception. Experimental tests were conducted to analyze the relationship between the measured AUV pressure and the distance, frequency and amplitude of the vibration source. Analysis results demonstrate that the experimental measurements were consistent with simulation results. Based on the relationship between the sensor measurements and the vibration source, a neural network model was used to identify the coordinates, frequency and amplitude of the vibration source, producing an identification accuracy of 93%. Hence, the proposed ALLS is effective for vibration source perception of AUVs.

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“…This design is favoured since the protruding structures escape unwanted boundary layer effects. Several techniques used for strain sensing include lamella mechanical micro-sensors (MEMs) (Fan et al 2002, McConney et al 2009, Yang et al 2007, 2010, ionic polymer-metal composites (IPMC) (Abdulsadda and Tan 2012, Chen et al 2013 and soft polymer membranes without (Asadnia et al 2013) and with cantilever structures (Kottapalli et al 2014. A technical review of recent contributions to the field of artificial neuromast and artificial lateral lines (ALL) shows an increasing interest in this field (Liu et al 2016).…”

Section: Introductionmentioning

confidence: 99%

Bio-inspired all-optical artificial neuromast for 2D flow sensing

et al. 2018

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We present the design, fabrication and testing of a novel all-optical 2D flow velocity sensor, inspired by a fish lateral line neuromast. This artificial neuromast consists of optical fibres inscribed with Bragg gratings supporting a fluid force recipient sphere. Its dynamic response is modelled based on the Stokes solution for unsteady flow around a sphere and found to agree with experimental results. Tuneable mechanical resonance is predicted, allowing a deconvolution scheme to accurately retrieve fluid flow speed and direction from sensor readings. The optical artificial neuromast achieves a low frequency threshold flow sensing of 5 mm s −1 and 5 μm s −1 at resonance, with a typical linear dynamic range of 38 dB at 100 Hz sampling. Furthermore, the optical artificial neuromast is shown to determine flow direction within a few degrees.

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Biologically inspired design of hydrogel-capped hair sensors for enhanced underwater flow detection

Cited by 102 publications

References 22 publications

Micro-Machined Flow Sensors Mimicking Lateral Line Canal Neuromasts

Micro-Machined Flow Sensors Mimicking Lateral Line Canal Neuromasts

A novel biomimetic sensor system for vibration source perception of autonomous underwater vehicles based on artificial lateral lines

Bio-inspired all-optical artificial neuromast for 2D flow sensing

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