All Outputs (77)

Lee-side flow structures of very low aspect ratio cruciform wing–body configurations (2013)
Journal Article
Tuling, S., Dala, L., & Toomer, C. (2013). Lee-side flow structures of very low aspect ratio cruciform wing–body configurations. Journal of Spacecraft and Rockets, 50(6), 1134-1149. https://doi.org/10.2514/1.a32522

Anumerical and experimental investigation was performed to study the dominant flow structures in the lee side of a cruciform wing-body configuration at supersonic speeds in the + orientation. The wings or strakes are of very low aspect ratio of order... Read More about Lee-side flow structures of very low aspect ratio cruciform wing–body configurations.

Mechanical properties and microstructure of thin plates of A6061 wrought aluminum alloy using rheology forging process with electromagnetic stirring (2013)
Journal Article
Jin, C. K., Bolouri, A., & Kang, C. G. (2014). Mechanical properties and microstructure of thin plates of A6061 wrought aluminum alloy using rheology forging process with electromagnetic stirring. Metallurgical and Materials Transactions B, 45(3), 1068-1080. https://doi.org/10.1007/s11663-013-9993-7

We propose the possibility of fabricating A6061 thin plates using the rheology forging process. Electromagnetic stirring (EMS) is used to fabricate a semi-solid slurry. A thin plate is formed by injecting the slurry into the forging die. When the pun... Read More about Mechanical properties and microstructure of thin plates of A6061 wrought aluminum alloy using rheology forging process with electromagnetic stirring.

Unsupervised learning spatio-temporal features for human activity recognition from RGB-D video data (2013)
Journal Article
Chen, G., Zhang, F., Giuliani, M., Buckl, C., & Knoll, A. (2013). Unsupervised learning spatio-temporal features for human activity recognition from RGB-D video data. Lecture Notes in Artificial Intelligence, 8239 LNAI, 341-350. https://doi.org/10.1007/978-3-319-02675-6_34

Being able to recognize human activities is essential for several applications, including social robotics. The recently developed commodity depth sensors open up newpossibilities of dealingwith this problem. Existing techniques extract hand-tuned fea... Read More about Unsupervised learning spatio-temporal features for human activity recognition from RGB-D video data.

Dynamic polarisation reveals differential steady-state stabilisation and capacitive-like behaviour in microbial fuel cells (2013)
Journal Article
Ledezma, P., Degrenne, N., Bevilacqua, P., Buret, F., Allard, B., Greenman, J., & Ieropoulos, I. (2014). Dynamic polarisation reveals differential steady-state stabilisation and capacitive-like behaviour in microbial fuel cells. Sustainable Energy Technologies and Assessments, 5, 1-6. https://doi.org/10.1016/j.seta.2013.10.008

In this paper we present several preliminary results produced with a purposely-designed external-resistor (R ext ) sweeping tool for microbial fuel cells (MFCs). Fast sampling rates show that MFCs exhibit differential steady-state stabilisation behav... Read More about Dynamic polarisation reveals differential steady-state stabilisation and capacitive-like behaviour in microbial fuel cells.

A variable compliance, soft gripper (2013)
Journal Article
Giannaccini, M. E., Georgilas, I., Horsfield, I., Peiris, B. H. P. M., Lenz, A., Pipe, A. G., & Dogramadzi, S. (2014). A variable compliance, soft gripper. Autonomous Robots, 36(1-2), 93-107. https://doi.org/10.1007/s10514-013-9374-8

Autonomous grasping is an important but challenging task and has therefore been intensively addressed by the robotics community. One of the important issues is the ability of the grasping device to accommodate varying object shapes in order to form a... Read More about A variable compliance, soft gripper.

Naturally aspirated and boosted controlled auto-ignition combustion with positive valve overlap in a four-stroke gasoline engine (2013)
Journal Article
Yang, C., & Zhao, H. (2013). Naturally aspirated and boosted controlled auto-ignition combustion with positive valve overlap in a four-stroke gasoline engine. International Journal of Engine Research, 14(5), 496-511. https://doi.org/10.1177/1468087412452079

Extensive engine experiments were carried out on controlled auto-ignition combustion, also known as homogeneous charge compression ignition, in a four-stroke gasoline engine, by internally recycling burned gases through positive valve overlap, variab... Read More about Naturally aspirated and boosted controlled auto-ignition combustion with positive valve overlap in a four-stroke gasoline engine.

Non-existence of local solutions for semilinear heat equations of Osgood type (2013)
Journal Article
Laister, R., Robinson, J. C., & Sierżęga, M. (2013). Non-existence of local solutions for semilinear heat equations of Osgood type. Journal of Differential Equations, 255(10), 3020-3028. https://doi.org/10.1016/j.jde.2013.07.007

We establish non-existence results for the Cauchy problem of some semilinear heat equations with non-negative initial data and locally Lipschitz, non-negative source term f. Global (in time) solutions of the scalar ODE v;=f(v) exist for v(0)>0 if and... Read More about Non-existence of local solutions for semilinear heat equations of Osgood type.

The effect of billets extruded by a curved and flat-face die on the semisolid characteristics and tensile properties of thixoformed products (2013)
Journal Article
Bolouri, A., Jeon, Y. P., & Kang, C. G. (2014). The effect of billets extruded by a curved and flat-face die on the semisolid characteristics and tensile properties of thixoformed products. International Journal of Advanced Manufacturing Technology, 70(9-12), 2139-2149. https://doi.org/10.1007/s00170-013-5422-y

In this study, A356 aluminum billets in different extruded states are used as feedstock for the thixoforming. The extrusion billets were fabricated by a hot extrusion process through a flat-face and a curved die. After the induction reheating of the... Read More about The effect of billets extruded by a curved and flat-face die on the semisolid characteristics and tensile properties of thixoformed products.

Landmarks and ant search strategies after interrupted tandem runs (2013)
Journal Article
Bruendl, A. C., Basari, N., Hemingway, C. E., Roberts, N. W., Sendova-Franks, A. B., & Franks, N. R. (2014). Landmarks and ant search strategies after interrupted tandem runs. Journal of Experimental Biology, 217(6), 944-954. https://doi.org/10.1242/jeb.087296

© 2014. Published by The Company of Biologists Ltd. During a tandem run, a single leading ant recruits a single follower to an important resource such as a new nest. To examine this process, we used a motorized gantry, which has not previously been u... Read More about Landmarks and ant search strategies after interrupted tandem runs.

Processing of low-carbon cast steels for offshore structural applications (2013)
Journal Article
Bolouri, A., Kim, T. W., & Kang, C. G. (2013). Processing of low-carbon cast steels for offshore structural applications. Materials and Manufacturing Processes, 28(11), 1260-1267. https://doi.org/10.1080/10426914.2013.792424

Cast steels with carbon contents of approximately 0.05%, 0.1%, and 0.2% (low-carbon steels) were processed. The investigated steels were first cast. Fully lath martensite was obtained after austenitization and water quenching of the cast steels. The... Read More about Processing of low-carbon cast steels for offshore structural applications.

U-shaped energy loss curves utilization for distributed generation optimization in distribution networks (2013)
Journal Article
Ebrahimi, R., Ehsan, M., & Nouri, H. (2013). U-shaped energy loss curves utilization for distributed generation optimization in distribution networks. Journal of Zhejiang University Science C, 14(11), 887-898. https://doi.org/10.1631/jzus.C1200282

We propose novel techniques to find the optimal location, size, and power factor of distributed generation (DG) to achieve the maximum loss reduction for distribution networks. Determining the optimal DG location and size is achieved simultaneously u... Read More about U-shaped energy loss curves utilization for distributed generation optimization in distribution networks.

Nest-seeking rock ants (Temnothorax albipennis) trade off sediment packing density and structural integrity for ease of cavity excavation (2013)
Journal Article
Minter, N. J., Minter, N. J., Sendova-Franks, A. B., & Franks, N. R. (2013). Nest-seeking rock ants (Temnothorax albipennis) trade off sediment packing density and structural integrity for ease of cavity excavation. Behavioral Ecology and Sociobiology, 67(11), 1745-1756. https://doi.org/10.1007/s00265-013-1582-x

We investigated excavation and nest site choice across sediment-filled cavities in the ant Temnothorax albipennis. Colonies were presented with sediment-filled cavities, covering a spectrum from ones that should be quick to excavate but will form a w... Read More about Nest-seeking rock ants (Temnothorax albipennis) trade off sediment packing density and structural integrity for ease of cavity excavation.

Economic investment by ant colonies in searches for better homes (2013)
Journal Article
Doran, C., Pearce, T., Connor, A., Schlegel, T., Franklin, E., Sendova-Franks, A. B., & Franks, N. R. (2013). Economic investment by ant colonies in searches for better homes. Biology Letters, 9(5), 20130685. https://doi.org/10.1098/rsbl.2013.0685

Organisms should invest more in gathering information when the pay-off from finding a profitable resource is likely to be greater. Here, we ask whether animal societies put more effort in scouting for a new nest when their current one is of low quali... Read More about Economic investment by ant colonies in searches for better homes.

Bootstrapping a robot's kinematic model (2013)
Journal Article
Broun, A., Beck, C., Pipe, T., Mirmehdi, M., & Melhuish, C. (2014). Bootstrapping a robot's kinematic model. Robotics and Autonomous Systems, 62(3), 330-339. https://doi.org/10.1016/j.robot.2013.09.011

We present a system that is able to autonomously build a 3D model of a robot's hand, along with a kinematic model of the robot's arm, beginning with very little information. The system starts by using exploratory motions to locate and centre the robo... Read More about Bootstrapping a robot's kinematic model.

Review of rational (total) nonlinear dynamic system modelling, identification, and control (2013)
Journal Article
Zhu, Q., Wang, Y., Zhao, D., Li, S., & Billings, S. A. (2015). Review of rational (total) nonlinear dynamic system modelling, identification, and control. International Journal of Systems Science, 46(12), 2122-2133. https://doi.org/10.1080/00207721.2013.849774

© 2013 Taylor & Francis. This paper is a summary of the research development in the rational (total) nonlinear dynamic modelling over the last two decades. Total nonlinear dynamic systems are defined as those where the model parameters and input (c... Read More about Review of rational (total) nonlinear dynamic system modelling, identification, and control.

Biomimetic tactile target acquisition, tracking and capture (2013)
Journal Article
Prescott, T. J., Pearson, M. J., Mitchinson, B., Pearson, M., Pipe, A. G., & Prescott, T. (2014). Biomimetic tactile target acquisition, tracking and capture. Robotics and Autonomous Systems, 62(3), 366-375. https://doi.org/10.1016/j.robot.2013.08.013

Good performance in unstructured/uncertain environments is an ongoing problem in robotics; in biology, it is an everyday observation. Here, we model a particular biological system - hunting in the Etruscan shrew - as a case study in biomimetic robot... Read More about Biomimetic tactile target acquisition, tracking and capture.

Metric assessment of autonomous capabilities in unmanned maritime vehicles (2013)
Journal Article
Insaurralde, C. C., & Lane, D. L. (2014). Metric assessment of autonomous capabilities in unmanned maritime vehicles. Engineering Applications of Artificial Intelligence, 30, 41-48. https://doi.org/10.1016/j.engappai.2013.09.003

Autonomous capabilities in Unmanned Maritime Vehicles (UMVs) have been pushing the technology beyond imaginable limits in order to deal with more and more complex ocean and sea missions. However, there is still no agreement on the aspects that should... Read More about Metric assessment of autonomous capabilities in unmanned maritime vehicles.

Exploring the design space of haptic assistants: The assistance policy module (2013)
Journal Article
Passenberg, C., Glaser, A., & Peer, A. (2013). Exploring the design space of haptic assistants: The assistance policy module. IEEE Transactions on Haptics, 6(4), 440-452. https://doi.org/10.1109/TOH.2013.34

Haptic assistants augment user commands to facilitate manipulation and to increase task performance. The strength of assistance, also referred to as assistance level, is one of the main design factors. While existing implementations mainly realize fi... Read More about Exploring the design space of haptic assistants: The assistance policy module.

The effects of carbon electrode surface properties on bacteria attachment and start up time of microbial fuel cells (2013)
Journal Article
Atanassov, P., Artyushkova, K., Babanova, S., Li, B., Casalegno, A., Pasaogullari, U., …Santoro, C. (2014). The effects of carbon electrode surface properties on bacteria attachment and start up time of microbial fuel cells. Carbon, 67, 128-139. https://doi.org/10.1016/j.carbon.2013.09.071

Surface roughness, porosity and contact angles of different carbon paper materials (TORAY paper with PTFE from 0% to 60% of and SGL paper with 0% and 20% of PTFE) suitable as electrodes in microbial fuel cells were investigated. The changes of contac... Read More about The effects of carbon electrode surface properties on bacteria attachment and start up time of microbial fuel cells.

Joint conferences - TAROS 2012 and FIRA 2012 (2013)
Journal Article
Pearson, M., Conn, A., & Herrmann, G. (2014). Joint conferences - TAROS 2012 and FIRA 2012. Robotics and Autonomous Systems, 62(3), 281. https://doi.org/10.1016/j.robot.2013.09.008

This special issue contains ten extended, peer-reviewed papers specially selected from 36 full papers [1] and presented at the joint conferences of TAROS 2012 (Towards Autonomous Robotic Systems 2012) and FIRA 2012 (the Robot World Congress of the F... Read More about Joint conferences - TAROS 2012 and FIRA 2012.