Evolutionary online behaviour learning and adaptation in real robots.

abstract：:In plants, plant fructokinases (FRKs) are considered to be the main gateway of fructose metabolism as they can phosphorylate fructose to fructose-6-phosphate. Chinese white pears (Pyrus bretschneideri) are one of the popular fruits in the world market; sugar content is an important factor affecting the quality of the ...

journal_title：Royal Society open science

authors： Cao Y,Li S,Han Y,Meng D,Jiao C,Abdullah M,Li D,Jin Q,Lin Y,Cai Y

更新日期：2018-07-18 00:00:00

abstract：:Chickens (Gallus gallus domesticus) from the Americas have long been recognized as descendants of European chickens, transported by early Europeans since the fifteenth century. However, in recent years, a possible pre-Columbian introduction of chickens to South America by Polynesian seafarers has also been suggested. ...

journal_title：Royal Society open science

authors： Herrera MB,Kraitsek S,Alcalde JA,Quiroz D,Revelo H,Alvarez LA,Rosario MF,Thomson V,Jianlin H,Austin JJ,Gongora J

更新日期：2020-02-05 00:00:00

abstract：:The formation mechanism of pentazolate anion (PZA) is not yet clear. In order to present the possible formation pathways of PZA, the potential energy surfaces of phenylpentazole (PPZ), phenylpentazole radical (PPZ-R), phenylpentazole radical anion (PPZ-RA), PPZ and m-chloroperbenzoic acid (m-CPBA), p-pentazolylphenola...

journal_title：Royal Society open science

authors： Yu T,Ma YD,Lai WP,Liu YZ,Ge ZX,Ren G

更新日期：2018-05-23 00:00:00

abstract：:Panax ginseng C. A. Meyer (ginseng) has been widely used as a herb and functional food in the world. Polysaccharides are the main active components of ginseng. In this paper, the polysaccharides were sequentially extracted by 50 mM Na2CO3, 1 M KOH and 4 M KOH from ginseng roots treated sequentially with hot water, α-a...

journal_title：Royal Society open science

authors： Ji L,Jie Z,Ying X,Yue Q,Zhou Y,Sun L

更新日期：2018-03-14 00:00:00

abstract：:Arc faults in low-voltage electrical circuits are the main hidden cause of electric fires. Accurate identification of arc faults is essential for safe power consumption. In this paper, a detection algorithm for arc faults is tested in a low-voltage circuit. With capacitance coupling and a logarithmic detector, the hig...

journal_title：Royal Society open science

authors： Yang JH,Fang HY,Zhang RC,Yang K

更新日期：2018-09-19 00:00:00

abstract：:In this paper, we establish the explicit connection between deterministic trait-based population-level models (in the form of partial differential equations) and species-level models (in the form of ordinary differential equations), in the context of eco-evolutionary systems. In particular, by starting from a populati...

journal_title：Royal Society open science

authors： Nordbotten JM,Bokma F,Hermansen JS,Stenseth NC

更新日期：2020-08-19 00:00:00

abstract：:Using a stochastic model, we investigate the probability of fixation, and the average time taken to achieve fixation, of a mutant in a population of wild-types. We do this in a context where the environment in which the competition takes place is subject to stochastic change. Our model takes into account interactions ...

journal_title：Royal Society open science

authors： Baron JW,Galla T

更新日期：2018-03-21 00:00:00

abstract：:This paper investigates the effect of contact geometry, temperature and displacement amplitude on the fretting behaviour of an aero-turbo oil lubricated cylinder-on-flat contact. To be effective, the lubricant needed both to penetrate the contact and then offer protection. Lubricant penetration into the fretting conta...

journal_title：Royal Society open science

authors： Warmuth AR,Sun W,Shipway PH

更新日期：2016-10-19 00:00:00

abstract：:We report all-atom molecular dynamics simulations of asymmetric bilayers containing phosphoinositides in the presence of monovalent and divalent cations. We have characterized the molecular mechanism by which these divalent cations interact with phosphoinositides. Ca2+ desolvates more readily, consistent with single-m...

journal_title：Royal Society open science

authors： Bradley RP,Slochower DR,Janmey PA,Radhakrishnan R

更新日期：2020-05-20 00:00:00

abstract：:Humans regularly cooperate with non-kin, which has been theorized to require reciprocity between repeatedly interacting and trusting individuals. However, the role of repeated interactions has not previously been demonstrated in explaining real-world patterns of hunter-gatherer cooperation. Here we explore cooperation...

journal_title：Royal Society open science

authors： Smith D,Dyble M,Thompson J,Major K,Page AE,Chaudhary N,Salali GD,Vinicius L,Migliano AB,Mace R

更新日期：2016-07-13 00:00:00

abstract：:Decision-making, when humans and other animals choose between two options, is not always based on the absolute values of the options but can also depend on their relative values. The present study examines whether decision-making by cuttlefish is dependent on relative values learned from previous experience. Cuttlefis...

journal_title：Royal Society open science

authors： Kuo TH,Chiao CC

更新日期：2020-12-16 00:00:00

abstract：:We show that the spin-wave spectrum in an elliptical helix has a band character. The size of the first band gap calculated using the perturbation theory is shown to scale as square root of the eccentricity. Curved magnonic waveguides of the kind considered here could be used as structural elements of future three-dime...

journal_title：Royal Society open science

authors： Golovchan AV,Kruglyak VV,Tkachenko VS,Kuchko AN

更新日期：2018-01-31 00:00:00

abstract：:In the aftermath of a flood, fire ants, Solenopsis invicta, cluster into temporary encampments. The encampments can contain hundreds of thousands of ants and reach over 30 ants high. How do ants build such tall structures without being crushed? In this combined experimental and theoretical study, we investigate the sh...

journal_title：Royal Society open science

authors： Phonekeo S,Mlot N,Monaenkova D,Hu DL,Tovey C

更新日期：2017-07-12 00:00:00

abstract：:A shift-periodic map is a one-dimensional map from the real line to itself which is periodic up to a linear translation and allowed to have singularities. It is shown that iterative sequences xn+1 = F(x n ) generated by such maps display rich dynamical behaviour. The intege...

journal_title：Royal Society open science

authors： Stadlmann J,Erban R

更新日期：2019-11-27 00:00:00

abstract：:Frugal products possess a proper mix of features including minimal consumption of resources, good functionality under nominal conditions and low cost. Therefore, increasing use of frugal products, that are designed and also fabricated systematically, is crucial to all-round sustainable development. However, their low ...

journal_title：Royal Society open science

authors： Rao BC

更新日期：2020-07-08 00:00:00

abstract：:Individual animals can often move more safely or more efficiently as members of a group. This can be as simple as safety in numbers or as sophisticated as aerodynamic or hydrodynamic cooperation. Here, we show that individual plant-animal worms (Symsagittifera roscoffensis) can move to safety more quickly through floc...

journal_title：Royal Society open science

authors： Worley A,Sendova-Franks AB,Franks NR

更新日期：2019-03-20 00:00:00

abstract：:Recent works revealed that the energy required to control a complex network depends on the number of driving signals and the energy distribution follows an algebraic scaling law. If one implements control using a small number of drivers, e.g. as determined by the structural controllability theory, there is a high prob...

journal_title：Royal Society open science

authors： Chen YZ,Wang LZ,Wang WX,Lai YC

更新日期：2016-04-20 00:00:00

abstract：:In this study, enzymatic hydrolysis and cationization with epoxypropyldodecyldimethylammonium chloride of wheat protein, an economic protein complex containing great amount of disulfide bonds, were conducted to improve properties such as solubility and disassociation behaviour for recovery of damaged hair when used in...

journal_title：Royal Society open science

authors： Wang S,Meng D,Wang S,Zhang Z,Yang R,Zhao W

更新日期：2018-02-07 00:00:00

abstract：:A pleiotropic gene governs multiple traits, which might constrain the evolution of complexity due to conflicting selection on these traits. However, if the pleiotropic effect is modular, then this can facilitate synergistic responses to selection on functionally related traits, thereby leveraging the evolution of comp...

journal_title：Royal Society open science

authors： Wang S,Sokolowski MB

更新日期：2017-04-26 00:00:00

abstract：:The evolution of wing pattern in Lepidoptera is a popular area of inquiry but few studies have examined microlepidoptera, with fewer still focusing on intraspecific variation. The tineid genus Moerarchis Durrant, 1914 includes two species with high intraspecific variation of wing pattern. A subset of the specimens exa...

journal_title：Royal Society open science

authors： Schachat SR

更新日期：2017-03-01 00:00:00

abstract：:A major challenge in robotic design is enabling robots to immediately adapt to unexpected physical damage. However, conventional robots require considerable time (more than several tens of seconds) for adaptation because the process entails high computational costs. To overcome this problem, we focus on a brittle star...

journal_title：Royal Society open science

authors： Kano T,Sato E,Ono T,Aonuma H,Matsuzaka Y,Ishiguro A

更新日期：2017-12-13 00:00:00

abstract：:Miniaturized accelerometers are necessary for evaluating the performance of small devices, such as haptics, robotics and simulators. In this study, we fabricated miniaturized accelerometers using well-aligned ZnO nanowires. The layer of ZnO nanowires is used for active piezoelectric layer of the accelerometer, and cop...

journal_title：Royal Society open science

authors： Song S,Kim HC,Kim JW,Kim D,Kim J

更新日期：2017-09-13 00:00:00

abstract：:Current demographic trends in the UK include a fast-growing elderly population and dropping birth rates, and demand for social care among the aged is rising. The UK depends on informal social care-family members or friends providing care-for some 50% of care provision. However, lower birth rates and a greying populati...

journal_title：Royal Society open science

authors： Gostoli U,Silverman E

更新日期：2019-07-17 00:00:00

abstract：:As top predators, crocodilians have an acute sense of hearing that is useful for their social life and for probing their environment in hunting situations. Although previous studies suggest that crocodilians are able to localize the position of a sound source, how they do this remains largely unknown. In this study, w...

journal_title：Royal Society open science

authors： Papet L,Grimault N,Boyer N,Mathevon N

更新日期：2019-07-10 00:00:00

abstract：:With the current proliferation of data, the proficient use of statistical and mining techniques offer substantial benefits to capture useful information from any dataset. As numerous approaches make use of information theory concepts, here, we discuss how Fisher information (FI) can be applied to sustainability scienc...

journal_title：Royal Society open science

authors： Ahmad N,Derrible S,Eason T,Cabezas H

更新日期：2016-11-09 00:00:00

abstract：:In this paper, recent progress in graphic statics is combined with Williot displacement diagrams to create a graphical description of both statics and kinematics for two- and three-dimensional pin-jointed trusses. We begin with reciprocal form and force diagrams. The force diagram is dissected into its component cells...

journal_title：Royal Society open science

authors： McRobie A,Konstantatou M,Athanasopoulos G,Hannigan L

更新日期：2017-05-24 00:00:00

abstract：:Soil detritivores such as Collembola impact plant growth, tissue nutrient concentration and gene expression. Using a model system with pedunculate oak (Quercus robur) microcuttings that display a typical endogenous rhythmic growth with alternating shoot (SF) and root flushes (RF), we investigated the transcriptomic re...

journal_title：Royal Society open science

authors： Graf M,Bönn M,Feldhahn L,Kurth F,Grams TEE,Herrmann S,Tarkka M,Buscot F,Scheu S

更新日期：2019-03-06 00:00:00

abstract：:Invasive species pose a serious threat to native species. In Europe, invasive grey squirrels (Sciurus carolinensis) have replaced native red squirrels (Sciurus vulgaris) in locations across Britain, Ireland and Italy. The European pine marten (Martes martes) can reverse the replacement of red squirrels by grey squirre...

journal_title：Royal Society open science

authors： Twining JP,Ian Montgomery W,Price L,Kunc HP,Tosh DG

更新日期：2020-02-26 00:00:00

abstract：:Robust imaging techniques for tracking insects have been essential tools in numerous laboratory and field studies on pests, beneficial insects and model systems. Recent innovations in optical imaging systems and associated signal processing have enabled detailed characterization of nocturnal mosquito behaviour around ...

journal_title：Royal Society open science

authors： Voloshin V,Kröner C,Seniya C,Murray GPD,Guy A,Towers CE,McCall PJ,Towers DP

更新日期：2020-05-13 00:00:00

abstract：:[This corrects the article DOI: 10.1098/rsos.180442.]. ...

journal_title：Royal Society open science

authors： Tang HM,Tang HL

更新日期：2018-10-10 00:00:00