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Controlled Lagrangian particle tracking (CLPT) is a feedback control methodology for autonomous underwater vehicles (AUVs) in dynamic ocean environments that can reveal information about ocean flow and model error through the operation of AUVs. From CLPT, we evaluate the navigational performance of AUVs with controlled Lagrangian prediction error (CLPE), which represents the difference between the...
We present a differential equation-based mathematical model of nectar foraging by the honey bee Apis mellifera. The model focuses on two behavioural classes; nectar foragers and nectar receivers. Results generated from the model are used to demonstrate how different classes within a collective can collaborate to combine information and produce finely tuned decisions through simple interactions. In...
The ball-on-ring (BOR) test is an effective technique used to characterize the biaxial fracture strength of brittle materials. In particular, damages induced by wafer backgrinding process can be evaluated using the BOR test. It is difficult to measure directly the radius of contact area between the loading ball and a specimen, which is needed for stress determination by an analytic solution. In this...
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