Now showing items 1-13 of 13

    • Advanced Semi-Active Resetable Devices and Device Modeling Including Non-Linearities 

      Chase, J.G.; Rodgers, G.W.; Mulligan, K.J.; Elliott, R.B. (University of Canterbury. Mechanical Engineering, 2009)
      Resetable devices are a novel semi-active approach to managing structural response energy. Recently developed devices allow independent control of each chamber enabling unique approaches to sculpting the structural ...
    • Application of Sensing & Actuation for Online Hybrid Testing of Structural Control Devices 

      Chen, X.; Chase, J.G.; Mulligan, K.J.; Elliott, R.B.; Mander, J.B. (University of Canterbury. Mechanical Engineering., 2007)
      On-line hybrid tests couple virtual structures under dynamic loading with physical sub-structures or devices in a dynamic test rig. The use of sensors and actuators in a closed-loop feedback system maintains the ...
    • Assessing microcirculation condition in critical illness using the pulse oximeter's concept 

      Suhaimi, F.; Chase, J.G.; Le Compte, A.J.; Pretty, C.G.; Elliott, R.B.; Weinz, A.; Shaw, G.M.; Razak, N.N. (University of Canterbury. Mechanical Engineering, 2012)
      Sepsis patients normally suffer microcirculatory dysfunction, which results in organ failure and increased risk of death [1]. Importantly, microcirculatory distress is the only independent factor for predicting patient ...
    • Digital image-based elasto-tomography: first experiments in surface based mechanical property estimation of gelatine phantoms 

      Peters, A.; Wortmann, S.; Elliott, R.B.; Staiger, M.; Chase, J.G.; Van Houten, E.E.W. (University of Canterbury. Mechanical Engineering., 2005)
      Digital Image-based Elasto-Tomography (DIET) is a novel surface-based elasticity reconstruction method for determining the elastic property distribution within the breast. Following on from proof of concept simulation ...
    • Experimental Validation of Semi-active Resetable Actuators in a 1/5th Scale Test Structure 

      Mulligan, K.J.; Chase, J.G.; Mander, J.B.; Rodgers, G.W.; Elliott, R.B.; Franco-Anaya, R.; Carr, A.J. (University of Canterbury. Civil and Natural Resources EngineeringUniversity of Canterbury. Mechanical Engineering, 2009)
      The seismic performance of a test structure fitted with semi-active resetable devices is experimentally investigated. Shaking table tests are conducted on a 15 th scale four-storey building using 27 earthquake records ...
    • Hybrid experimental analysis of semi-active rocking wall systems 

      Mulligan, K.J.; Chase, J.G.; Mander, J.B.; Fougere, M.; Deam, B.L.; Danton, G.; Elliott, R.B. (University of Canterbury. Civil Engineering.University of Canterbury. Mechanical Engineering., 2006)
      Rocking walls are an effective method of dissipating seismic response energy and mitigating damage. Semi-active resetable devices have shown significant potential to dissipate energy, customize hysteretic behavior and ...
    • Re-Shaping Hysteresis: Seismic Semi-Active Control Experiments for a 1/5th Scale Structure 

      Chase, J.G.; Mulligan, K.J.; Elliott, R.B.; Rodgers, G.W.; Mander, J.B.; Carr, A.J.; Anaya, R.F. (University of Canterbury. Mechanical Engineering., 2007)
      Semi-active resetable devices can improve seismic response. Novel 2-4 devices independently control each device chamber to customise structural hysteresis loops to reduce both displacement and base shear demands. Here, ...
    • Re-shaping hysteretic behaviour using semi-active resetable device dampers 

      Chase, J.G.; Mulligan, K.J.; Gue, A.; Alnot, T.; Rodgers, G.W.; Mander, J.B.; Elliott, R.B.; Deam, B.L.; Cleeve, L.; Heaton, D. (University of Canterbury. Mechanical Engineering.University of Canterbury. Electrical and Computer Engineering.University of Canterbury. Civil Engineering., 2006)
      Semi-active dampers and actuators hold significant promise for their ability to add supplemental damping and reduce structural response, particularly under earthquake loading. However, to date, very little large-scale ...
    • Semi-active Resetable Actuators Incorporating a High Pressure Source 

      Mulligan, K.J.; Chase, J.G.; Mander, J.; Elliott, R.B. (University of Canterbury. Mechanical Engineering., 2007)
      Semi-Active resetable actuators have been shown to be effective at enhancing structural dynamics and mitigating damage during seismic events. The limiting factor in some cases however, is the maximum force produced by the ...
    • Semi-active rocking wall systems for enhanced seismic energy dissipation 

      Mulligan, K.J.; Fougere, M.; Mander, J.B.; Chase, J.G.; Deam, B.L.; Danton, G.; Elliott, R.B. (University of Canterbury. Civil Engineering.University of Canterbury. Mechanical Engineering., 2006)
      Rocking walls are an effective method of dissipating structural response energy and mitigating damage during seismic events. Similarly, semi-active resetable devices have shown significant potential to dissipate energy, ...
    • A simple hybrid testing approach for dynamic analysis of civil structural control devices 

      Chase, J.G.; Chen, X.Q.; Mulligan, K.J.; Rodgers, G.W.; Elliott, R.B. (University of Canterbury. Mechanical Engineering, 2009)
      Effective real-time testing of structural control devices relies on a hybrid test system that couples virtual structures under dynamic loading with physical sub-structures or devices in a dynamic test rig. The use of ...
    • Simple, robust hybrid test systems for non-linear structural dynamic research and development 

      Mulligan, K.J.; Chase, J.G.; Elliott, R.B.; Horn, B.; Danton, G. (University of Canterbury. Mechanical Engineering., 2006)
      Hybrid or real-time pseudo-dynamic tests couple virtual structures under dynamic loading with physical sub-structures or devices in a dynamic test rig. The use of sensors and actuators in a closed-loop feedback system ...
    • Specialised Image Capture Systems for a DIET Breast Cancer Screening System 

      Hann, C.E.; Chase, J.G.; Berg, C.; Brown, R.G.; Elliott, R.B.; Chen, X.Q. (University of Canterbury. Mechanical Engineering., 2007)
      Digital Image-based Elasto-Tomography (DIET) is an emerging technology for non-invasive breast cancer screening. This technology actuates breast tissue and measures the surface motion using digital imaging technology. ...