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The anterior cruciate ligament (ACL) is the most frequently injured ligament in the knee, mainly due to its role as a primary joint stabiliser. In sports science, non-contact ACL injuries are commonly linked to change-of-direction (COD) manoeuvres, especially in multidirectional team sports. Given the long rehabilitation times and risk of long-term consequences, ACL injury prevention remains a maj
Merging of maps, such as 3D point clouds obtained from Structure-from-Motion or visual SLAM, can enhance robustness and expand covered areas in applications like multi-robot systems or augmented reality. When direct data fusion is difficult, an alternative approach is to align pose trajectories. This work investigates the use of rotation averaging as a method for indirect map merging, especially f
This thesis presents the design and implementation of a web-based simulator, developed to support students in the introductory course in automatic control at LTH. The simulator is meant to serve as a preparatory tool for the laboratories that revolve around two interconnected water tanks, and provides an interactive environment for students to explore system dynamics and PID control prior to atten
The purpose of this study is to design and investigate a pulsating heat pipe device (PHP). A PHP is a two-phase flow heat transfer device which can handle high heat fluxes with passive internal flow. It is made of a continuous loop serpentine, partially filled with a working fluid that can cool systems, such as electronic devices. It differs from a conventional heat pipe device in design and opera
Som en del i utvecklingen mot grönare och miljövänligare processer, samt ett behov av ytterst specifika reaktioner, vill AAK AB utvidga sin användning av lipaser i sin produktion av strukturerade triacylglyceroler (STAGs). AAK vill bygga upp ett bibliotek av utvärderade lipaser. Syftet med detta examensarbete är att bidra till detta bibliotek genom att karakterisera en grupp kommersiellt tillgänglAs part of a switch towards more green and environmentally friendly processes, together with a need for highly specific reactions, AAK AB wants to broaden their use of lipases in the production of structured triacylglycerols (STAGs). AAK are working on creating a lipase library where several lipases are evaluated, this master thesis aims to contribute to this lipase library by characterizing a sel
This thesis explores the intersection of ceremonial spaces and the concept of “the thinking hand” in architecture, with a focus on the design of secular spaces for funerals and burials in the context of Sweden’s increasing secularization. Drawing upon Juhani Pallasmaa’s “The Thinking Hand,” the thesis emphasizes the importance of embodied knowledge, sensory experiences, and materiality in architec
Entreprenörskap karaktäriseras av en snabbföränderlig och osäker miljö. I tillägg har intressenter i området olika perspektiv och bekymmer samt är beroende av varandra. För att en ny affärsverksamhet ska lyckas är finansiering och humant kapital ofta viktiga faktorer, särskilt inom tech, och i dagsläget är det svårt att skapa/uppnå ”rätt” koppling i samspelet mellan unga företag (ideators), investThe field of entrepreneurship is characterized by a fast-changing and uncertain environment. In addition, stakeholders within the field all come with different perspectives and concerns and are dependent upon each other. For a new business to be successful, financing and human capital are often determinants, especially within tech, and it is difficult to attain the “right” connections between youn
Femtosecond pulse shaping is a versatile tool that enables the generation of ultrashort laser pulses with nearly arbitrary temporal shapes. Among others, the technique is of use in ultrafast spectroscopy experiments where it can be employed for dispersion control and the generation of well-defined laser pulse sequences. In this work, a Fourier-transform pulse shaper based on a pixelated liquid crys
In this thesis work, a highly linear passive attenuator and mixer were designed to be used in a wide-band Transmission Observation Receiver (TOR). The TOR is a low IF receiver that accepts RF frequencies from 2GHz to 7GHz, and produces corresponding IF bandwidths of 280MHz to 990MHz respectively, using low side LO injection. The dynamic range is maximized by using passive topologies for both the a
The Laser Interferometer Space Antenna (LISA) is a space borne gravitational wave detec- tor set to launch in 2034, with the objective of detecting and studying the Gravitational Waves (GWs) of our universe. So far, ground-based detectors such as the Laser Interferometer Gravitational-Wave Observatory (LIGO) have been successful in detecting GWs, but the limitations of ground based detectors is wh
Det här examensarbetet utvecklar ett koncept för infästning av fenor på jetboards som inte intränger på befintliga patent. Det resulterande konceptet medför handlingsfrihet (FTO) och följaktligen tillåter produktion av fenor med originell design. FTO innebär möjligheten till att producera och sälja en produkt utan rättsligt ansvar gentemot ägare av patent. Examensarbetet presenterar och diskuterarThis master thesis generates a concept for the means of attaching fins onto jetboards without infringing on existing patents. The resulting concept establishes freedom to operate (FTO) and enables production of fins with original designs. FTO meaning the possibility of producing and selling a product without legal liability to any patent holders. The thesis further presents and discusses user need
Better access to finance and higher education levels in a country are two major policy areas of governments and international development cooperation organisations for the goal of reducing poverty. Microfinance has become a popular instrument to facilitate access to finance, but comparative evidence on a macro scale is scarce. This thesis examines the relative importance of the two policy areas us
Ultra millimeter-wave (mmWave) radars have become a vital sensor in automotive, surveillance, and consumer electronics thanks to its precise measurements and low power consumption. However, they required a precise control to coordinate their different modules and produce meaningful data. In this thesis work, we introduce an approach to perform the control and coordination of the radar based in mic
The test-fixture is a device used for testing of electronic circuits in production, that is produced by the Lund based company mikrodust AB. In the test-fixture, cameras are both used for supervision of products-in-testing and in the products themselves. This poses a challenge due to the compact size of the test-fixture and the number of mechanical elements. This thesis aims to investigate how c
We consider a technique involving Neural Networks in order to try to predict trends for cryptocurrencies such as Bitcoin, Ethereum etc. In that respect the project involves construction, design and training of a deep learning Neural Network based on historical trading data for these cryptocurrencies. Subsequently we apply this trained network in order to better understand its ability to possibly f
To optimize precision and accuracy of small dispensed volumes, a dispenser was built. A 96-well plate was loaded with four replicates of a linear pyranine dilution series to test the accuracy and precision of the dispenser machine. Three dilution series of pyranine (100-0 percent, 10-0 percent and 1-0 percent) were made. The results showed that the dispenser has very good accuracy and precision. T
