EMG Controlled Biped Robot

In this project, the 6 DOF biped robot was controlled by bio signals. The robot has been adapted for remote control via a bluetooth MYO armband which uses electromyography (EMG) signals from the upper forearm to communicate motion to the robot

Análise estética do paciente: Fatores a considerar na harmonização orofacial

Facial and dental analysis should be integrated with all dental treatments, where aesthetics and function should be the main objectives, since the face is the main basis of aesthetic balance, and dentistry must be in sync with it. The objective of this work is a literature review to identify the factors that should be considered in an aesthetic analysis of the patient when submitted to a dental treatment. The perception of a balanced face is possible, there being a diversified concept of facial beauty, and this varies according to the patient, the aesthetic treatment must always be an allied function, so that you can improve the facial harmony with the smile, return the positive aesthetic means meeting expectations and giving a positive self-image. It is concluded that the perception of a balanced face is possible, there is a diversified concept of facial beauty, and this varies according to the patient.El análisis facial y dental debe integrarse con todos los tratamientos dentales, donde la estética y la función deben ser los principales objetivos, ya que la cara es la base principal del equilibrio estético y la odontología debe estar sincronizada con ella. El objetivo de este trabajo es una revisión de la literatura para identificar los factores que deben considerarse en un análisis estético del paciente cuando se somete a un tratamiento dental. La percepción de una cara equilibrada es posible, existe un concepto diversificado de belleza facial, y esto varía según el paciente, el tratamiento estético debe ser siempre una función aliada, para que pueda mejorar la armonía facial con la sonrisa, devolver el Estética positiva significa satisfacer las expectativas y dar una imagen positiva de sí mismo. La percepción de una cara equilibrada es posible, existe un concepto diversificado de belleza facial, y esto varía según el paciente. Se concluye que la percepción de un rostro equilibrado es posible, existe un concepto diversificado de belleza facial y esto varía según el paciente

“Just like breathing”: A portrait of an 85-year-old veteran teacher

Through a phenomenological lens of portraiture methodology, this article explores the career experiences of a veteran acting teacher who, at the age of 85 years, remains highly passionate and dedicated to his work with younger aspiring actors. The article reveals how for this veteran teacher, his strong teacher identity characterised by a quest for challenge and a commitment to career-long professional development are significant to maintaining relevance and passion for teaching. As many countries grapple with issues surrounding the retention of veteran teachers, understanding the ways in which he maintains his passion and commitment over succumbing to stress and burn out like so many teachers in the performing arts is timely

An Elixir for Veteran Teachers: The Power of Social Connections in Keeping These Teachers Passionate and Enthusiastic in Their Work

This article is based upon the premise that there are many veteran teachers who maintain positive attitudes towards teaching throughout their careers. According to The Grant Study (Waldinger, 2015), positive attitudes towards life and work stem from close relationships and adaptive behaviours that people engage in throughout adult life. This article describes a study undertaken in Australia which revealed that, in line with Grant Study findings, positive veteran teachers (aged 40-70+ years) build and maintain supportive social connections among colleagues in their school and others outside school, plus spouse (or long-term partner) and close family, that contribute to their sense of emotional and physical wellbeing. In a highly relational career such as teaching, our article highlights the credibility positive veteran teachers ascribe to their social connections, including the derived benefits in terms of their teaching and their own wellbeing. We then discuss the implications of the findings, including the role of school leadership in acknowledging the importance of, and fostering healthy social connections within their schools, as a way of sustaining engagement for all teachers

Nitrogen oxidation consortia dynamics influence the performance of full-scale rotating biological contactors.

Ammonia oxidising microorganisms (AOM) play an important role in ammonia removal in wastewater treatment works (WWTW) including rotating biological contactors (RBCs). Environmental factors within RBCs are known to impact the performance of key AOM, such that only some operational RBCs have shown ability for elevated ammonia removal. In this work, long-term treatment performance of seven full-scale RBC systems along with the structure and abundance of the ammonia oxidising bacteria (AOB) and archaea (AOA) communities within microbial biofilms were examined. Long term data showed the dominance of AOB in most RBCs, although two RBCs had demonstrable shift toward an AOA dominated AOM community. Next Generation Sequencing of the 16S rRNA gene revealed diverse evolutionary ancestry of AOB from RBC biofilms while nitrite-oxidising bacteria (NOBs) were similar to reference databases. AOA were more abundant in the biofilms subject to lower organic loading and higher oxygen concentration found at the distal end of RBC systems. Modelling revealed a distinct nitrogen cycling community present within high performing RBCs, linked to efficient control of RBC process variables (retention time, organic loading and oxygen concentration). We present a novel template for enhancing the resilience of RBC systems through microbial community analysis which can guide future strategies for more effective ammonia removal. To best of the author's knowledge, this is the first comparative study reporting the use of next generation sequencing data on microbial biofilms from RBCs to inform effluent quality of small WWTW

Do Null-Type Mutation Operators Help Prevent Null-Type Faults?

The null-type is a major source of faults in Java programs, and its overuse has a severe impact on software maintenance. Unfortunately traditional mutation testing operators do not cover null-type faults by default, hence cannot be used as a preventive measure. We address this problem by designing four new mutation operators which model null-type faults explicitly. We show how these mutation operators are capable of revealing the missing tests, and we demonstrate that these mutation operators are useful in practice. For the latter, we analyze the test suites of 15 open-source projects to describe the trade-offs related to the adoption of these operators to strengthen the test suite

Load-sharing policies in parallel simulation of agent-based demographic models

Execution parallelism in agent-Based Simulation (ABS) allows to deal with complex/large-scale models. This raises the need for runtime environments able to fully exploit hardware parallelism, while jointly offering ABS-suited programming abstractions. In this paper, we target last-generation Parallel Discrete Event Simulation (PDES) platforms for multicore systems. We discuss a programming model to support both implicit (in-place access) and explicit (message passing) interactions across concurrent Logical Processes (LPs). We discuss different load-sharing policies combining event rate and implicit/explicit LPs’ interactions. We present a performance study conducted on a synthetic test case, representative of a class of agent-based models.Peer ReviewedPostprint (author's final draft

Environment Orientation : a structured simulation approach for agent-based complex systems

Complex systems are collections of independent agents interacting with each other and with their environment to produce emergent behaviour. Agent-based computer simulation is one of the main ways of studying complex systems. A naive approach to such simulation can fare poorly, due to large communication overhead, and due to the scope for deadlock between the interacting agents sharing a computational platform. Agent interaction can instead be considered entirely from the point of view of the environment(s) within which the agents interact. Structuring a simulation using such Environment Orientation leads to a simulation that reduces communication overhead, that is effectively deadlock-free, and yet still behaves in the manner required. Additionally the Environment Orientation architecture eases the development of more sophisticated large-scale simulations, with multiple kinds of complex agents, situated in and interacting with multiple kinds of environments. We describe the Environment Orientation simulation architecture. We report on a number of experiments that demonstrate the effectiveness of the Environment Orientation approach: a simple flocking system, a flocking system with multiple sensory environments, and a flocking system in an external environment