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This paper considers the benefits of transferring quantitative information represented by changes of their environment between members of a robot swarm. This form of communication is an example of sematectonic stigmergy, a type of indirect communication. The work has been partially inspired by colonies of weaver ants and their nest building task. It is(More)
This paper investigates an algorithm, which improves the task completion rate for simple swarm robots implementing a leaf-curling task. In this biologically inspired task, robots collaborate to find a suitable place to bend a leaf, which allows them to successfully fold it up. To complete the task simple robots were developed that are not equipped with any(More)
Global climate change (GCC) can negatively affect freshwater ecosystems. However, the degree to which freshwater populations can acclimate to long-term warming and the underlying molecular mechanisms are not yet fully understood. We used the cooling water discharge (CWD) area of a power plant as a model for long-term warming. Survival and molecular stress(More)
This paper presents an algorithm, which improves the probability of success for simple swarm robots implementing an extended version of the leaf curling task – one part of the nest building activity of weaver ants [Phan and Russell, 2009, 2010]. The robots are required to have only very basic sensing abilities, and are allowed to transfer information using(More)
A new transimpedance amplifier (TIA), which divides the feedback resistor into shunt- and series-connection to the current source of the buffer, is proposed. The proposed TIA provides high linearity without sacrifice in gain and noise performances as the series-connected feedback resistor does not contribute to linearity degradation. The advantage of the(More)
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