1,404 research outputs found
Berta Smit Collection index
No full textThis index describes the Berta Smit Collection and contains articles ; note books ; clippings ; manuscripts ; interviews ; radio talks ; book reviews ; speeches ; personalia.
Berta Smit (1926-1997) was a well-known author for books such as Juffrou Sophia vlug vorentoe, Die man met die kitaar, Die vrou en die bees etc. and literary figure. This collection consists of articles, manuscripts inter alia of 'Juffrou Sophia vlug vorentoe', note books, interviews, radio talks, speeches and book reviews. The collection is compiled into 13 pamphlet boxes
Vakmanschap van de Projectontwikkelaar?
No full textProjectontwikkelaars worden in de huidige markt stevig op de proef gesteld. Hans-Hugo Smit geeft zijn visie op het verleggen van de koers van aanbodgericht naar vraaggericht ontwikkelen en de rol van de ontwikkelaar daarbij
Design of a new Faculty of Architecture - Investigation and design of Media Facades
No full textGraduation Project [G.J. Smit] for both Architecture & Building Technology. [architecture] : design of a new Faculty of Architecture [building technology] : investigation and design of Media FacadesStrategic Architectural Design DevelopmentArchitecture & Building TechnologyArchitectur
SKION: Digitale Basiskaart - Eindverslag
No full textThis document gives an overview of the progress and achievements of R. Spliet and S. Smit during their internship at SKION, including all delivered documentation.IN3405 BachelorprojectComputer ScienceElectrical Engineering, Mathematics and Computer Scienc
State of the art of prosthesis simulators for the upper limb: A narrative review
No full textBackground: Research into prosthesis training and design puts a burden on the small population of people with upper-limb absence who can participate in these studies. One solution is to use a prosthetic hand simulator, which allows for attaching a hand prosthesis to an intact limb. However, whether the results of prosthesis simulator studies can be translated to people with upper-limb absence using a hand prosthesis is unclear. Objective: To review the literature on prosthetic hand simulators, provide an overview of current designs, and highlight the differences and similarities between prosthesis simulators and traditional prostheses. Methods: A Boolean combination of keywords was used to search 3 electronic databases: PubMed, Scopus and Web of Science. Relevant articles in English were selected. Results: In total, 52 papers were included in the review, and an overview of the state of the art was presented. We identified the key differences between prosthesis simulators and traditional prostheses as the position of the terminal device and the available degrees of freedom of the arm and (prosthetic) wrist. Conclusions: This paper provides an overview of prosthesis simulator designs over the past 27 years and an overview of the similarities and differences between prosthesis simulators and prostheses. The literature does not provide enough evidence to establish whether the results obtained from simulator studies could be translated to prostheses. A recommendation for future simulator design is to constrain pro- and supination of the forearm of anatomically intact participants and add a prosthetic wrist that can pro- and supinate. Additional research is required to find the ideal terminal device position for a prosthesis simulator with respect to the person's hand.Medical Instruments & Bio-Inspired Technolog
Eyelid problems in general practice
No full textCITATION: Smit, D. P. 2012. Eyelid problems in general practice. South African Family Practice, 54(3):214-220.The original publication is available at http://www.safpj.co.zaGeneral practitioners are often confronted with complaints regarding the eyelids. The author presents a number of clinical cases that illustrate common eyelid problems, and provides a discussion of each case to highlight the important features of the condition. Appropriate treatment for each condition is also covered. Many eyelid conditions are amenable to treatment from general practitioners, but those conditions requiring specialist management need to be identified, and referred appropriately.http://www.safpj.co.za/index.php/safpj/article/view/1755Publisher's versio
Managing Risks in Electrical Infrastructure Assets from a Strategic Perspective
No full textShould risks always be quantified before being managed? The answer is “yes” in the opinion of most asset managers in today’s electricity transmission and distribution companies, but “no” in modern theories of risk management. When the risks refer to reliability hazards of high-voltage assets, the answer to the above question is “yes, it should be, but not yet”. The first part of this thesis studies a typical cause of this situation: when data and knowledge on high-voltage assets are insufficient. Specifically, statistical methods were developed for analyzing life data of limit quantity and poor quality. For other types of data, the reliability data model and the knowledge maturity model were developed, as the tools to evaluate the progress towards risk-based asset management. When the risks on electrical infrastructure assets are long-term and stakeholder-oriented, the answer to the above question is probably “no”. In the second part of this thesis, these risks are modelled as “strategic risks”. Through adapting the theory of Klinke and Renn, the author identifies six types of strategic risks. Then, through developing our version of system diagram, the author provides asset managers with an analytical tool to manage the complexities and uncertainties caused by these strategic risks.Electrical Sustainable EnergyElectrical Engineering, Mathematics and Computer Scienc
Circular Communities: The circular value flower as a design method for collectively closing resource flows
No full textIn Circular Communities, pioneering, collectively supported initiatives that are aimed at closing resource cycles at neighbourhood level take a central position. They are all examples of initiatives that contribute to the transition to a circular economy. For the analysis of these different circular initiatives, the researchers – urban designer Els Leclercq and architect Mo Smit - developed a unique method: the Circular Value Flower method. This method helps to organize the collective closing of resource cycles (bio and tech materials, energy, water and nutrients) on a neighbourhood scale and provides insight into the added value (social, ecological, aesthetic, cultural and economic) that can be realized within the built environment. Circular Communities offers inspiration and lessons for integral sustainable interventions at the scale of the neighbourhood and ties in with the new Dutch Environmental Planning Act, which explicitly offers room for citizen initiatives and local commissioning in the Netherlands.Design AestheticsArchitectural Technolog
Design of ankle-knee prostheses using predictive simulations
No full textThere is an increasing need for transfemoral prostheses that provide gait support, stability, safety and comfort. Although there are many prostheses available in different levels of complexity and price, there is still room for improvement. It has been proved that the cost of transport (CoT) for walking is significantly increased for transfemoral amputees with respect to their healthy peers. Assisting push-off is one of the main challenges in prosthesis design. Push-off is normally achieved by plantarflexion of the ankle joint. Prosthesis designs should aim to restore this function in order to lower the amount of energy needed for walking. This study aims to investigate the effect of prosthesis design on the gait pattern through musculoskeletal modelling and predictive simulations. Two prosthesis designs are modelled for these purposes, after which several variations on these models are made. It is hypothesised that the prosthesis that assists in push-off through ankle plantarflexion, should result in a gait pattern that is closer to a healthy one. It should also decrease the CoT. Furthermore, we aim to evaluate the use of modelling and simulations in the customisation of prostheses.OpenSim was used to create a total of eight models based on a model with 9 degrees of freedom and 18 muscles: a healthy person, a conventional prosthesis model, two scaled versions of the conventional prosthesis model, the walkMECH prosthesis and three variations on the walkMECH. SCONE was used to find an optimal gait pattern for each of the models through the CMA-ES method. CoT-, gait-, degrees of freedom- and reaction force objectives were minimised. The results were evaluated by comparing the CoT, joint angles, ground reaction forces and muscle activation of each model.The CoT for the healthy model was found to be higher than reported before, based on both experimental and simulation studies. As a result, we have little confidence in the CoT estimation of our models. This is further exacerbated by the finding of a lower CoT for the conventional prosthesis than for the healthy model, in contrast to earlier reports. The results for most other measures were irregular, making it difficult to draw conclusions from them. It is expected that the predictive optimisations did not reach a global minimum, and that the results are therefore not accurate. Future research should aim to solve this problem. It should also be attempted to find the cause of the difference in CoT between our simulations and those of others.No conclusions could be drawn from the results. Nonetheless, there is a clear potential for the use of musculoskeletal modelling and predictive simulation in the investigation of the effects of prosthesis design on gait.Biomedical Engineerin
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