No Abstract provided / Thesis / Master of Science (MSc)

The world is becoming more and more globalized. The transportation and trading of goods across borders are becoming more frequent. All this is putting greater demands on companies dealing with material handling and distribution of supply. Material handling with forklifts is an area which is associated with risk of accidents.  Statistics from both the US and Europe shows that damages to material and personnel is frequent. A certain area that is in need of improvement is the handling of material on high storages. These storages can be as high as 15m. When stacking and picking pallets at those heights it is very hard for the driver to get a good view of the pallet and handle the material in a safe way. There are several support systems available on the market today, to aid drivers with handling material on these heights. The question to be answered in this thesis is, how good are these systems and what systems should be recommended to users of forklifts? By the use of a literature study, where both available products on the forklift market as well as support systems from other markets were studied I got a good overview of available technologies. Using this information and methods for product design a number of technical concepts was generated. The concepts were limited to technologies that are available today. Because of that some technologies and concepts were overlooked. Most of the concepts consisted of a camera and a display used in different ways. A first evaluation of the concepts was made. Four concepts were chosen to be further evaluated. These four concepts were: Camera with guide lines Camera without guide lines Fork tip camera with guide lines No Camera. (benchmark) The concepts were then evaluated, tested and graded using the five criteria: Time (productivity), Safety, physical ergonomics, Usability and Preferred concept. The results showed that the concept consisting of the by TMHE used fork camera (2 above) combined with a new display and guide lines was the best support system. The result is fairly reliable because of the many different evaluation techniques used and the fact they all point the same concept. The validity however should be investigated further during a more extensive field test.

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Thèse numérisée par la Direction des bibliothèques de l'Université de Montréal.

The purpose of this study was to create a detailed description of the ecological context of friendship development in an inclusive classroom. Of specific interest, was the friendship development of a target child with a diagnosed special need. This topic was investigated from multiple perspectives: the researcher/observer, the target student and her peers, the teacher, and the principal. The goal of the investigation was to identify the perceptions of these individuals in relation to the following issues: supports and resources, the ecological context of the classroom, and activities which support the development of peer friendships. Information from this study can be used by teachers as they prepare to meet the social needs of students in inclusive classrooms. Today's teachers are not dealing solely with academic challenges. Rather, they are expected to provide children with social and emotional support in addition to cognitive stimulation and assessment. The results of this study provide insights that stimulate practitioners to reflect upon their roles in providing support for social development of children in an inclusive primary grade classroom. / Master of Science

This study focuses on exploring the possibilities and challenges associated with remote operation andremote driving of vehicles for the transition to autonomous passenger transportation. It adopts a user-centered design perspective, emphasizing the importance of effective communication between theoperator and the vehicle in remote driving and remote operating systems. Semi-structured interviews wereconducted with drivers from an autonomous bus project and an expert in remote technology to gatherinsights into the situations for remote driving and the information exchange between the vehicle and theoperator. Thematic analysis was employed to analyse the interview data, identifying themes related to thesituations for remote driving as well as the information exchange between the operator and the vehicle.The research findings emphasize the necessity of integrating remote driving into remote operationsystems and highlight important strategies for operator-vehicle communication such as scanning thevehicle's surroundings and using sensor maps. The findings from the analysis were used to produce adesign specification through a process that incorporated User Experience design, Usability design, andSituational awareness design methods. The final specification includes recommendations andrequirements for the interface design, focusing on enhancing situational awareness, usability, andeffective communication. Overall, this design specification serves as a valuable resource for guiding thefuture development of interfaces for remote operation and remote driving in autonomous passengertransportation

Embankment pumps are used to pump superfluous water from fields to mitigate the risk of damaging the crops. These are manually, in person, overseen to make sure they function properly. A monitoring system that lets the farmer oversee the pumps on, for example, their phone, is a potential solution to ease the management of the pumps. This work seeks to answer in what way the pumps should be monitored, and what are the challenges with developing such a system. Based on interviews with farmers, this work developed a monitoring system capable of monitoring the water level in a well where the embankment pump is located. Several challenges and lessons learned are presented and discussed. The interviews concluded that environmental factors are important to take into account when developing a monitoring system for agriculture. After the development, the lessons learned could, in large, be concluded to originate from limitations caused by the scope of a bachelor thesis, in relation to the project’s scale.

Light-matter interactions are essential for the development of many modern technologies and for fundamental science. Hence, many recent efforts have focused on understanding light-matter interaction in exotic classes of materials, particularly in subwavelength (nanometre scale) regimes. This Master's thesis focuses on two different types of materials whose interaction length is typically in the nanoscale. First, we studied and observed the energy transfer between two ultrashort beam pulses in the epsilon-near-zero (ENZ) spectral range of a material, classified where the real part of the material's electric permittivity has a magnitude much less than 1. Typically, such energy transfer in ordinary materials (such as fused silica) requires different wavelengths of both beams interacting in the material. However, ENZ materials have an unprecedentedly high optical nonlinearity, leading to self-manifesting energy transfer. This self-manifesting effect occurs in ENZ material due to the effective frequency shift known as adiabatic frequency conversion (AFC) caused by a significant change of refractive index from its large optical nonlinearity. Second, we studied a class of materials known as metasurfaces, which are built from an array of artificial engineered nano-antennas. Metasurfaces can enable custom wavefront control or the engineering of coupling to designated surface modes, which is not possible for naturally occurring optical surfaces. In this thesis, we developed a design scheme for constructing a metasurface that generates multiple lattice resonances at desired wavelengths. Such a design scheme is possible because we arranged the nano-antennas using Fourier analysis. This flexible scheme produces a metasurface design directly from the desired distribution of resonances.

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