Abstract:
:Films of conducting polymers when used as electrodes in an electrolytic solution oxidize and reduce under the flow of anodic and cathodic currents, respectively. The electrochemical reactions induce conformational movements of the chains, generation or destruction of free volume and interchange of ions and solvent with the electrolyte giving a gel that reacts, swells or shrinks. Electric pulses acting on reactive gels constituted by polymers, solvent and ions are the closest artificial materials to those that constitute actuating biological organs. The electrochemical reaction under the flow of a constant current promotes a progressive change of color, volume, porosity, stored charge and storage or release of ions. The reaction is kinetically controlled by the conformational movements or by the diffusion of counterions through the gel; it works under electrochemical equilibrium and defines, at any intermediate oxidation state, equilibrium potentials. Any variable (mechanical, chemical, optical, magnetic, etc) acting on the equilibrium will induce a change in the working potential of any device, driven by a constant current, based on this reaction; actuating-sensing devices based on the electrochemical properties are expected. Artificial muscles able to sense pushed weights, electrolyte concentration or ambient temperature during actuation are described. The activation energy of the reaction includes structural information and allows the obtention of the conformational energy, the heart of both actuating and sensing properties.
journal_name
Bioinspir Biomimjournal_title
Bioinspiration & biomimeticsauthors
Otero TFdoi
10.1088/1748-3182/3/3/035004subject
Has Abstractpub_date
2008-09-01 00:00:00pages
035004issue
3eissn
1748-3182issn
1748-3190pii
S1748-3182(08)72864-3journal_volume
3pub_type
杂志文章abstract::Animals have demonstrated the ability to move through, across and over some of the most daunting environments on earth. This versatility and adaptability stems from their capacity to alter their locomotion dynamics and employ disparate locomotion modalities to suit the terrain at hand. As with modalities such as runni...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/10/2/025005
更新日期:2015-03-26 00:00:00
abstract::Passive dynamic walking is a model that walks down a shallow slope without any control or input. This model has been widely used to investigate how humans walk with low energy consumption and provides design principles for energy-efficient biped robots. However, the basin of attraction is very small and thin and has a...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/ab9283
更新日期:2020-07-15 00:00:00
abstract::This paper provides an update on the neural control of bipedal walking in relation to bioinspired models and robots. It is argued that most current models or robots are based on the construct of a symmetrical central pattern generator (CPG). However, new evidence suggests that CPG functioning is basically asymmetrical...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/aada54
更新日期:2018-09-04 00:00:00
abstract::Small birds and mammals commonly minimize respiratory heat loss with reciprocating counterflow exchangers in their nasal passageways. These animals extract heat from the air in an exhalation to warm those passageways and then use that heat to warm the subsequent inhalation. Although the near-constant volume of buildin...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3182/4/4/046004
更新日期:2009-12-01 00:00:00
abstract::The axonemal micro-machinery, the axial skeleton and actuator of cilia and flagella of eukaryotic cells, is able to bend and twist and generates wave trains. We already demonstrated that it can be the template to construct an active trunk robot (Cibert 2013 Bioinspir. Biomim. 8 026006). The work presented in this pape...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/11/5/056019
更新日期:2016-09-29 00:00:00
abstract::In this paper, we present a numerical model capable of solving the fluid-structure interaction problems involved in the dynamics of skeleton-reinforced fish fins. In this model, the fluid dynamics is simulated by solving the Navier-Stokes equations using a finite-volume method based on an overset, multi-block structur...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/ab0fbe
更新日期:2019-04-10 00:00:00
abstract::Robotic systems are becoming more ubiquitous, whether on land, in the air, or in water. In the aquatic realm, aquatic drones including ROVs (remotely operated vehicles) and AUVs (autonomous underwater vehicles) have opened new opportunities to investigate the ocean depths. However, these technologies have limitations ...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/ab5a34
更新日期:2020-02-07 00:00:00
abstract::Passive exoskeletons have potential advantages in reducing metabolic energy cost. We consider a passive elastic exoskeleton (peEXO) providing hip flexion moment to assist hip flexors during walking, our goal is to use a biomechanical model to explore the biological mechanics and energetics of the hip joint muscle-tend...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/aaeefd
更新日期:2018-12-04 00:00:00
abstract::Despite the increased interest in exoskeleton research in the last decades, not much progress has been made on the successful reduction of user effort. In humans, biarticular elements have been identified as one of the reasons for the energy economy of locomotion. This document gives an extensive literature overview c...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章,评审
doi:10.1088/1748-3190/aa806e
更新日期:2017-11-08 00:00:00
abstract::Nano-structured colorful zinc oxide (ZnO) replicas were produced using the wings of the Ideopsis similis butterfly as templates. The ZnO replicas we obtained exhibit iridescence, which was clearly observed under an optical microscope (OM). Field emission scanning electron microscope analysis shows that all the microst...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3182/1/3/003
更新日期:2006-09-01 00:00:00
abstract::Previous research on the flexible structure of flapping wings has shown an improved propulsion performance in comparison to rigid wings. However, not much is known about this function in terms of power efficiency modification for flapping wing energy devices. In order to study the role of the flexible wing deformation...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3182/8/3/036011
更新日期:2013-09-01 00:00:00
abstract::The pursuit of a high lift force for insect-scale flapping-wing micro aerial vehicles (FMAVs) requires that their artificial wings possess biomimetic wing features which are close to those of their natural counterpart. In this work, we present both fabrication and testing methods for artificial insect wings with biomi...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/aa7f16
更新日期:2017-09-26 00:00:00
abstract::Polymer nanocomposites render a range of outstanding materials from natural products such as silk, sea shells and bones, to synthesized nanoclay or carbon nanotube reinforced polymer systems. In contrast to the fast expanding interest in this type of material, the fundamental mechanisms of their mixing, phase behavior...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/11/5/055008
更新日期:2016-09-13 00:00:00
abstract::Neuronal stimulation is an intricate part of understanding insect flight behavior and control insect itself. In this study, we investigated the effects of electrical pulses applied to the brain and basalar muscle of the rhinoceros beetle (Trypoxylus dichotomus). To understand specific neuronal stimulation mechanisms, ...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3182/7/3/036021
更新日期:2012-09-01 00:00:00
abstract::This paper presents the stability analysis of the leading edge spar of a flapping wing unmanned air vehicle with a compliant spine inserted in it. The compliant spine is a mechanism that was designed to be flexible during the upstroke and stiff during the downstroke. Inserting a variable stiffness mechanism into the l...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/10/6/065003
更新日期:2015-10-26 00:00:00
abstract::Behavioral and kinematic properties and capacities of wild migratory salmonid fishes swimming upstream and jumping up waterfalls generally have played only minor roles in the design and construction of passageways intended to help these fishes get past dams and other human-made obstacles blocking their movements. This...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3182/5/3/035006
更新日期:2010-09-01 00:00:00
abstract::Most insects with smooth or hairy adhesive pads have very little problems in attaching to smooth substrates. A careful selection of surface roughness, however, can effectively limit the contact area of the adhesive organs with the surface. In comparison to conventional toxin-based insect repelling methods, biologicall...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/aad061
更新日期:2018-07-31 00:00:00
abstract::Swimming fish and flying insects use the flapping of fins and wings to generate thrust. In contrast, microscopic organisms typically deform their appendages in a wavelike fashion. Since a flapping motion with two degrees of freedom is able, in theory, to produce net forces from a time-periodic actuation at all Reynold...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3182/9/1/016001
更新日期:2014-03-01 00:00:00
abstract::Biomimetics, the transfer of functional principles from living systems into product designs, is increasingly being utilized by engineers. Nevertheless, recurring problems must be overcome if it is to avoid becoming a short-lived fad. Here we assess the efficiency and suitability of methods typically employed by examin...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/aa86ff
更新日期:2017-09-26 00:00:00
abstract::We have previously suggested a biologically-inspired natural dynamic controller for biped locomotion, which applies torque pulses to the different joints at particular phases of an internal phase variable. The parameters of the controller, including the timing and magnitude of the torque pulses and the dynamics of the...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/ab782a
更新日期:2020-03-25 00:00:00
abstract::This work pursues a feedforward control algorithm for high-speed legged locomotion over uneven terrain. Being able to rapidly negotiate uneven terrain without visual or a priori information about the terrain will allow legged systems to be used in time-critical applications and alongside fast-moving humans or vehicles...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3182/9/3/036018
更新日期:2014-09-01 00:00:00
abstract::By mimicking naturally occurring superhydrophobic surfaces, scientists can now realize artificial surfaces on which droplets of a few microliters of water are forced to assume an almost spherical shape and an extremely high contact angle. In recent decades, these surfaces have attracted much attention due to their tec...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章,评审
doi:10.1088/1748-3190/11/1/011001
更新日期:2016-02-04 00:00:00
abstract::In this paper, the effect of torso flexibility on the energetics of quadrupedal bounding is examined in a template setting. Two reductive sagittal-plane models, one with a rigid, non-deformable torso and one with a flexible, unactuated torso are proposed. Both models feature non-trivial leg mass and inertia to capture...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/10/5/056008
更新日期:2015-09-03 00:00:00
abstract::It is well known that animals can use neural and sensory feedback via vision, tactile sensing, and echolocation to negotiate obstacles. Similarly, most robots use deliberate or reactive planning to avoid obstacles, which relies on prior knowledge or high-fidelity sensing of the environment. However, during dynamic loc...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/aaa2cd
更新日期:2018-02-02 00:00:00
abstract::The intrinsic muscular properties of biological muscles are the main source of stabilization during locomotion, and superior biological performance is obtained with low energy costs. Man-made actuators struggle to reach the same energy efficiency seen in biological muscles. Here, we compare muscle properties within a ...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/11/3/036002
更新日期:2016-04-12 00:00:00
abstract::Burst-and-coast swimming performance in fish-like locomotion is studied via two-dimensional numerical simulation. The numerical method used is the collocated finite-volume adaptive Cartesian cut-cell method developed previously. The NACA00xx airfoil shape is used as an equilibrium fish-body form. Swimming in a burst-a...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3182/4/3/036001
更新日期:2009-09-01 00:00:00
abstract::Bats possess unique flight capabilities enabled by their wing morphology. While the articulated bone structure and flexible membrane constituting the wing are known to play a critical role in aerodynamic performance, the relationship has never been robustly quantified. Characterization of the sensitivity between preci...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/ab3e2a
更新日期:2019-09-24 00:00:00
abstract::In the field of human motor control, the motor synergy hypothesis explains how humans simplify body control dimensionality by coordinating groups of muscles, called motor synergies, instead of controlling muscles independently. In most applications of motor synergies to low-dimensional control in robotics, motor syner...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/10/5/056016
更新日期:2015-10-08 00:00:00
abstract::This work is prompted by the quest for nanocomposites in which ordered, layered reinforcement preforms similar in structure to the arrangements seen in nacre are achieved without complex automated layer-by-layer assembly. Lamellar structures were obtained in montmorillonite films simply by slow drying without the use ...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3182/7/4/046004
更新日期:2012-12-01 00:00:00
abstract::Aiming to produce bioinspired impact and puncture resistant materials, the mesocarp of the Brazil nut (Bertholletia excelsa) was characterized. The mesocarp composition was investigated by chemical extraction and its microstructure was analyzed by optical microscopy and microtomography (microCT). A compression test ev...
journal_title:Bioinspiration & biomimetics
pub_type: 杂志文章
doi:10.1088/1748-3190/ab2298
更新日期:2019-07-03 00:00:00