<p><strong>Background:</strong> We live in a world where not everyone is employed; numerous people havelost their jobs due to several factors where one of them is the economic crisis. This has hada huge impact on Sweden and the unemployment rate. Previous research has shown thatinflation, unemployment, and high interest rates represent risks to consumer welfare. We all consume daily, or on occasions, but how do unemployed consumers consume, what do they consume and why? In this area, the authors have found a knowledge gap in literature; therefore exploring this phenomenon is of interest.</p><p> </p><p><strong>Purpose:</strong> The purpose of this study is to explore and illustrate how consumers who have experienced a life transition, from employment to unemployment, are affected by this and how it has an impact on their consumption.</p><p> </p><p><strong>Method:</strong> This is an exploratory study performed with a qualitative and an abductive approach, where the authors used primary data collection through semi-structured in-depth interviews in Swedish with 16 unemployed consumers. These unemployed consumers were selected at Arbetsförmedlingen, the public employment service, in Jönköping.</p><p> </p><p><strong>Results:</strong> By living in unemployment the consumers have been affected psychologically, physically, financially and socially. Their identity has changed for each of them since they have to adapt to the new circumstances in their life. The new life situation has had an impact on the consumer’s well-being where depression, anxiety, and a feeling of being the underdog in the society is present. Their new life situation has implied a change in their consumption behavior since they nowadays have to prioritize the basic needs. Many of the respondents used explicit and implicit shopping-list in order to reduce their impulse buying. The contribution that the authors have done to the theory of resistance is a fourth category called ‘Everyday life resistance’ which explains the behavior of people who live in unemployment, i.e. they always have to think about resisting temptations, wants, desires, and avoiding situations where the result may be unnecessary consumption. The consumers in this study are highly involved in their consumption behavior, which the authors have chosen to call ‘reversed habitual decision making’. This kind of involvement is very high despite the high- or low risk category of the product. Their new life situation has made them more aware of product alternatives, market supply, prices, and also knowledge about their own resistance in the marketplace.</p> / <p><strong>Bakgrund:</strong> Vi lever i en värld där inte alla har en anställning, en omfattande andel av befolkningen har förlorat sitt jobb på grund av flera faktorer, där en av dem är den ekonomiska krisen. Detta har haft en stor påverkan på Sverige och dess arbetslöshet. Föregående studier har visat att inflation, arbetslöshet och hög räntesats representerar risk för konsumentens välbefinnande. Vi alla konsumerar dagligen eller vid speciella tillfällen, men hur konsumerar en arbetslös konsument, vad konsumerar dem och varför? Inom detta område har författarna funnit ett kunskaps gap i litteraturen, därav är en undersökning av detta fenomen av intresse.</p><p> </p><p><strong>Syfte:</strong> Syftet med denna studie är att utforska och illustrera hur konsumenter som har genomgått en livsförändring, från att ha varit anställd till att vara arbetslös, är påverkade av detta och hur detta har inverkat på deras konsumtion.</p><p> </p><p><strong>Metod:</strong> Detta är en explorativ studie genomförd med en kvalitativ och abduktiv tillvägagångssätt där författarna har använt sig av primär information samlad genom, till viss del, strukturerade djupgående intervjuer på svenska med 16 arbetslösa konsumenter. Dessa var utvalda vid Arbetsförmedlingen i Jönköping.</p><p> </p><p><strong>Resultat:</strong> Att leva som arbetslös har påverkat konsumenterna psykologiskt, fysiskt, finansiellt och socialt. Deras identitet har förändrats då de måste anpassa sig till den nya livssituationen. Den nya situationen har påverkat konsumenternas hälsa då de känner av depression, ängslan och känner sig mindre värda i samhället. Deras nya livssituation har inneburit en det förändringar i deras konsument beteende eftersom de numera måste prioritera sina primära behov. Många av studiens deltagare använde sig av explicita och implicita inköpslistor för att minimera spontanköp. Författarnas bidrag till teorin om motstånd är en fjärde kategori kallad ‘Vardagligt motstånd’ vilket förklarar beteendet hos arbetslösa personer dvs. de måste hela tiden tänka på att motstå frestelser, begär och försöka undvika situationer där onödiga inköp kan uppstå. Konsumenterna i denna studie är synnerligen involverade i sitt konsument beteende, detta har författarna valt att benämna ’omvänt rutin besluts genomförande’. Denna typ av involvering är väldigt hög oavsett om produktkategorin innebär hög- eller låg risk. Deras nya livssituation har gjort dem mer medvetna om alternativa produkter, marknadens utbud, priser och ny kunskap om deras egna motstånd inom konsumtionssamhället.</p>

Der Vortrag beschreibt wie sich mittels der unterschiedlichen Berechnungsverfahren zur Lösung dynamischer Strukturpobleme der Einschlag eines idealisierten Bruchstücks in eine Schutzwand berechnen lässt. Dies wird mittels zweier kommerzieller FEM-Programme beschrieben: a.) Creo Simulate nutzt zur Lösung die Methode der modalen Superposition, d.h., es können nur lineare dynamische Systeme mit rein modaler Dämpfung berechnet werden. Kontakt zwischen zwei Bauteilen lässt sich damit nicht erfassen. Die unbekannte Kraft-Zeit-Funktion des Einschlagvorganges muss also geeignet abgeschätzt und als äußere Last auf die Schutzwand aufgebracht werden. Je dynamischer der Einschlagvorgang, desto eher wird der Gültigkeitsbereich des zugrunde liegenden linearen Modells verlassen. b.) Abaqus/Explicit nutzt ein direktes Zeitintegrationsverfahren zur schrittweisen Lösung der zugrunde liegenden Differentialgleichung, die keine tangentiale Steifigkeitsmatrix benötigt. Damit können sowohl Materialnichtlinearitäten als auch Kontakt geeignet erfasst und damit die Kraft-Zeit-Funktion des Einschlages ermittelt werden. Auch bei extrem hochdynamischen Vorgängen liefert diese Methode ein gutes Ergebnis. Es müssen dafür jedoch weit mehr Werkstoffdaten bekannt sein, um das nichtlineare elasto-plastische Materialverhalten mit Schädigungseffekten korrekt zu beschreiben. Die Schwierigkeiten der Werkstoffdatenbestimmung werden in den Grundlagen erläutert. / The presentation describes how to analyze the impact of an idealized fragment into a stell protective panel with different dynamic analysis methods. Two different commercial Finite Element codes are used for this: a.) Creo Simulate: This code uses the method of modal superposition for analyzing the dynamic response of linear dynamic systems. Therefore, only modal damping and no contact can be used. The unknown force-vs.-time curve of the impact event cannot be computed, but must be assumed and applied as external force to the steel protective panel. As more dynamic the impact, as sooner the range of validity of the underlying linear model is left. b.) Abaqus/Explicit: This code uses a direct integration method for an incremental (step by step) solution of the underlying differential equation, which does not need a tangential stiffness matrix. In this way, matieral nonlinearities as well as contact can be obtained as one result of the FEM analysis. Even for extremely high-dynamic impacts, good results can be obtained. But, the nonlinear elasto-plastic material behavior with damage initiation and damage evolution must be characterized with a lot of effort. The principal difficulties of the material characterization are described.

Η πληθώρα των εφαρμογών που μπορεί να εξυπηρετήσει η τεχνολογία Υπερευρείας Ζώνης (UWB), από τα ασύρματα προσωπικά δίκτυα υψηλών ταχυτήτων, μέχρι τα ασύρματα δίκτυα αισθητήρων με δυνατότητες ακριβούς εντοπισμού θέσης, και τα ασύρματα δίκτυα ιατρικών αισθητήρων, έχει προκαλέσει έντονο ερευνητικό ενδιαφέρον γύρω από τις υλοποιήσεις UWB συστημάτων. Η ασυνήθιστα μεγάλη περιοχή συχνοτήτων που έχει ανατεθεί στο UWB, από τα 3.1-10.6 GHz, επιτρέπει την επίτευξη υψηλών ταχυτήτων με απλά σχήματα διαμόρφωσης, ωστόσο, λόγω της διαμοίρασης του φάσματος με τις υφιστάμενες τεχνολογίες ασύρματης δικτύωσης, οι UWB εκπομπές πρέπει να περιορίζονται σε ισχύ κάτω από το κατώφλι των -41.3 dBm/MHz, ικανοποιώντας πολύ αυστηρές μάσκες εκπομπής που εισάγουν έντονες προκλήσεις στη σχεδίαση των πομπών. Η υλοποίηση αναδιατάξιμων UWB πομπών σε σύγχρονες CMOS τεχνολογίες, με υψηλή φασματική ευελιξία, ταχύτητα και ποιότητα διαμόρφωσης, καθώς και με χαμηλή κατανάλωση, αποτέλεσε το αντικείμενο της συγκεκριμένης διατριβής. Υιοθετώντας την αρχιτεκτονική Multi-Band Impulse-Radio (MB-IR) σε συνδυασμό με την τεχνική Direct Sequence BPSK, η έρευνα προσανατολίστηκε προς την ανάπτυξη καινοτόμων μονάδων βασικής ζώνης, με στόχο την ενεργειακά αποδοτική αντιστροφή Γκαουσιανών μορφοποιημένων παλμών υψηλής ποιότητας φάσματος και διάρκειας μικρότερης ακόμα και από 1 nsec. Προς αυτή την κατεύθυνση, αναπτύχθηκε μια καινοτόμα γεννήτρια Γκαουσιανών παλμών με πολύ χαμηλούς πλευρικούς λοβούς στο φάσμα, τυπικά κάτω από -40 dB, ώστε να υποστηρίζονται οι αυστηρότερες μάσκες εκπομπής ή και μελλοντικές. Η σχεδίασης της προτεινόμενης γεννήτριας είχε ως κριτήριο την ευέλικτη ρύθμιση της διάρκειας των παραγόμενων παλμών, και αξιοποίησε τη χαρακτηριστική μεταφοράς τάσης ενός ωμικά φορτωμένου, ασύμμετρου CMOS αντιστροφέα. Η γεννήτρια βασίζεται κυρίως σε ψηφιακά κυκλώματα πολύ χαμηλής τάσης και, σε σύγκριση με τις υφιστάμενες υλοποιήσεις, παρουσιάζει σημαντικό προβάδισμα στον τομέα της ταχύτητας, καθώς και στο πλάτος εξόδου, η μεγάλη τιμή του οποίου χαλαρώνει σημαντικά τη σχεδίαση του RF front end. Η γεννήτρια μελετήθηκε διεξοδικά, διεξήχθη ανάλυση κλιμάκωσης, έγινε εξαγωγή σχεδιαστικών εξισώσεων και αναπτύχθηκαν εργαλεία λογισμικού για την αυτοματοποιημένη σχεδίασή της. Για περαιτέρω αύξηση της ταχύτητας των παλμικών σημάτων εφαρμόσθηκε ειδική σχεδίαση, η οποία αντιπραγματεύεται την ταχύτητα με το επίπεδο των λοβών του φάσματος. Για την αποδοτική BSPK διαμόρφωση των Γκαουσιανών παλμών αναπτύχθηκε ειδική τοπολογία “Μεταγωγής Σήματος Πυροδότησης Πλήρους Ισορροπίας με Up-Conversion”. Η τοπολογία αυτή, σε αντίθεση με τις ανταγωνιστικές τοπολογίες, αποφεύγει την αντιστροφή του παλμού με αναλογικά κυκλώματα υψηλής κατανάλωσης, αλλά και την αναλογική μεταγωγή, καθώς η διαμόρφωση λαμβάνει χώρα πριν από την παραγωγή των παλμών. Παράλληλα, επιτυγχάνονται υψηλοί ρυθμοί, καθώς και υψηλή ποιότητα διαμόρφωσης λόγω των ισορροπημένων μονοπατιών της τοπολογίας. Η γεννήτρια μαζί με το διαμορφωτή αποτελούν τις καινοτόμες παρεμβάσεις στη μονάδα Βασικής Ζώνης του προτεινόμενου πομπού. Για την ολοκλήρωση της λειτουργικότητας του πομπού, αναπτύχθηκε ένα RF front end, το οποίο αποτελείται από έναν διπλά ισορροπημένο μίκτη, έναν LO buffer, ένα μετατροπέα διαφορικού σήματος σε απλό, και έναν ενισχυτή ισχύος, ο οποίος είναι προσαρμοσμένος στα 50 Ohms, χωρίς να απαιτεί κανένα εξωτερικό στοιχείο. Το RF front end ολοκληρώθηκε μαζί με τη μονάδα βασικής ζώνης, και ο ολοκληρωμένος πομπός κατασκευάστηκε σε τεχνολογία CMOS 130 nm. Το ολοκληρωμένο προσαρτήθηκε στην RF πλακέτα συστήματος με την τεχνική Chip on Board. Για την επιτυχία του συστήματος με την πρώτη προσπάθεια έγινε συσχεδίαση σε επίπεδο IC-Package-PCB, δίνοντας ιδιαίτερη έμφαση στα ζητήματα Signal/Power Integrity. Ο πομπός παρουσίασε την υψηλότερη ταχύτητα από τις ανταγωνιστικές MB-IR UWB υλοποιήσεις, ίση με 1.5 Gbps, με αντίστοιχη ενεργειακή αποδοτικότητα 21 pJoule/bit και μέτρο διανυσματικού σφάλματος 5.5%. Ο πομπός βελτίωσε τους πλευρικούς λοβούς στο φάσμα περισσότερο από 10 dB, ενώ η διατριβή, εκμεταλλευόμενη την αναδιαταξιμότητα του πομπού, παρουσιάζει, επιπλέον, τις πρώτες μετρήσεις σε ταχύτητες εκατοντάδων Mbps για ικανοποίηση της χαμηλής ζώνης της πρόσφατα θεσμοθετημένης, και εξαιρετικά αυστηρής, ευρωπαϊκής μάσκας εκπομπής. / The multitude of applications that Ultra-Wideband (UWB) technology can serve, from high-speed Wireless Personal Area Networks, to Wireless Sensor Networks with precision Geolocation abilities, and Wireless Medical Networks, has attracted intense research interest in the implementation of UWB systems. The unusually wide range of frequencies assigned to UWB, from 3.1-10.6 GHz, allows UWB systems employing low order modulation schemes to enjoy high throughput at low power consumption. However, since UWB shares the spectrum with existing wireless networking technologies, UWB emissions must be limited to a power spectral density below the threshold of -41.3 dBm/MHz, satisfying very stringent emission masks and introducing great challenges in the design of UWB transmitters. The subject of this thesis is the design of low power, fully integrated, reconfigurable CMOS UWB transmitters, with high spectral flexibility, high speed and high modulation quality. Adopting the Multi-Band Impulse-Radio architecture, in conjunction with the Direct Sequence BPSK modulation, the research focused on the development of a baseband unit, able to precisely invert Gaussian shaped, subnanosecond pulses. The key contributions of this thesis are a CMOS Gaussian Pulse Generator and a BSPK modulation topology, which jointly constitute the proposed baseband unit. The Pulse Generator (PG) is based on non-linear shaping, so as to facilitate the configurability of the output pulse duration, and exploits the voltage transfer characteristic of a Resistive Loaded Asymmetrical CMOS Inverter, which results in spectral sidelobes typically better than -40 dB. The PG incorporates mostly-digital low voltage circuits, while the MOSFET devices that undertake the pulse shaping avoid exclusive operation in weak inversion, in contrast to previous implementations. Consequently, the proposed CMOS PG is able to support higher throughput, as well as higher output amplitude, which relaxes considerably the design of the RF front end. This thesis presents a systematic design procedure and a scaling analysis of the non-linear pulse shaper. Moreover, in order to further increase the speed, a special PRF boost technique is proposed, which trades off speed and spectral efficiency for the spectral sidelobes level. Regarding the BPSK modulator, this work introduces the “Trigger Switching Fully Balanced Up-Conversion” topology, which avoids the use of power-hungry and distortion-prone analog circuits for the accurate inversion of the subnanosecond shaped pulses, as well as avoids the application of analog waveform switching to the baseband pulses, since the baseband modulation takes place before the generation of the pulses. The digital nature of the switching lends itself to high data rates, while the balanced paths of the topology ensure high modulation quality with minimal design effort. Wafer probing measurements confirmed the high performance of the baseband unit. The functionality of the transmitter was completed by the development of an RF front end which consists of a double balanced mixer, an LO buffer, a differential to single-ended (DtoSE) converter, and a power amplifier which is ready to drive a 50 Ohms load without requiring any off-chip components. The integrated transmitter, which incorporates the proposed baseband unit and the RF front end, was fabricated in 130 nm CMOS technology. The transmitter RFIC was directly attached to the system RF PCB using the Chip-on-Board packaging option. The First-Pass success of the system was ensured by paying particular attention to Signal/Power Integrity issues and following an IC-Package-PCB co-design procedure. The transmitter was measured up to 1.5 Gbps, which, to the author’s knowledge, was the highest speed amongst the competitive Multi-Band Impulse-Radio UWB implementations in the literature. The corresponding energy efficiency was 21 pJoule/bit and the Error Vector Magnitude (EVM) 5.5%, while the proposed transmitter improved the spectral sidelobes by over 10 dB. Exploiting the reconfigurability of the transmitter, this thesis presents the first measurements at multi-Mbps speeds that completely meet the final version of the European spectrum emission mask.

The aim of this master´s thesis is to analyze core losses of a small induction motor. Analyzed values are obtained from laboratory measurements, software analysis and 2D finite element method simulation. The theoretical part of this thesis consists of two parts. The analysis of the higher spatial harmonics presents in the induction motor and the analysis of core losses of the motor. Practical part consists of laboratory measurements according to ČSN. Measured values are used to calculate individual losses. The next part consists of creating a model for software analysis (Maxwell RMxprt). The generated model is converted into a 2D simulation environment (Maxwell 2D), where it is adapted to obtain values from the examined parts (rotor and stator teeth and rotor cage). Results of simulations at different loads are compared and analyzed from the point of view of higher harmonics.

Der Vortrag beschreibt wie sich mittels der unterschiedlichen Berechnungsverfahren zur Lösung dynamischer Strukturpobleme der Einschlag eines idealisierten Bruchstücks in eine Schutzwand berechnen lässt. Dies wird mittels zweier kommerzieller FEM-Programme beschrieben: a.) Creo Simulate nutzt zur Lösung die Methode der modalen Superposition, d.h., es können nur lineare dynamische Systeme mit rein modaler Dämpfung berechnet werden. Kontakt zwischen zwei Bauteilen lässt sich damit nicht erfassen. Die unbekannte Kraft-Zeit-Funktion des Einschlagvorganges muss also geeignet abgeschätzt und als äußere Last auf die Schutzwand aufgebracht werden. Je dynamischer der Einschlagvorgang, desto eher wird der Gültigkeitsbereich des zugrunde liegenden linearen Modells verlassen. b.) Abaqus/Explicit nutzt ein direktes Zeitintegrationsverfahren zur schrittweisen Lösung der zugrunde liegenden Differentialgleichung, die keine tangentiale Steifigkeitsmatrix benötigt. Damit können sowohl Materialnichtlinearitäten als auch Kontakt geeignet erfasst und damit die Kraft-Zeit-Funktion des Einschlages ermittelt werden. Auch bei extrem hochdynamischen Vorgängen liefert diese Methode ein gutes Ergebnis. Es müssen dafür jedoch weit mehr Werkstoffdaten bekannt sein, um das nichtlineare elasto-plastische Materialverhalten mit Schädigungseffekten korrekt zu beschreiben. Die Schwierigkeiten der Werkstoffdatenbestimmung werden in den Grundlagen erläutert. / The presentation describes how to analyze the impact of an idealized fragment into a stell protective panel with different dynamic analysis methods. Two different commercial Finite Element codes are used for this: a.) Creo Simulate: This code uses the method of modal superposition for analyzing the dynamic response of linear dynamic systems. Therefore, only modal damping and no contact can be used. The unknown force-vs.-time curve of the impact event cannot be computed, but must be assumed and applied as external force to the steel protective panel. As more dynamic the impact, as sooner the range of validity of the underlying linear model is left. b.) Abaqus/Explicit: This code uses a direct integration method for an incremental (step by step) solution of the underlying differential equation, which does not need a tangential stiffness matrix. In this way, matieral nonlinearities as well as contact can be obtained as one result of the FEM analysis. Even for extremely high-dynamic impacts, good results can be obtained. But, the nonlinear elasto-plastic material behavior with damage initiation and damage evolution must be characterized with a lot of effort. The principal difficulties of the material characterization are described.

This study aimed to develop a framework for improved legislation, methods of practice and services used to meet the best interest of child offenders with psychiatric disorders within the South African child justice system. This aim was achieved via a qualitative study, which evaluated child justice and mental health legislation, methods of practice, role-players, and services in South Africa, and compared same to those in Namibia, Botswana, and Nigeria; to establish if the best interest of child offenders with psychiatric disorders are currently met from a South African perspective. Data collection occurred in two phases: a document analysis of legislation, policies, and procedures in the selected comparative jurisdictions; followed by semi-structured interviews with child justice and mental health experts. During phase one the researcher analysed child justice and mental health legislation, human rights protections, and policy related to child justice in Nigeria, Botswana, Namibia, and South Africa. In addition, she interrogated literature relating to child justice and mental health, in comparative jurisdictions. This phase formed the foundation for the semi-structured interview schedule. Purposive and theoretical sampling was used to conduct 24 semi-structured interviews. Data was analysed and interpreted using pure qualitative document and thematic analysis. The overarching findings indicate that the best interest of child offenders with psychiatric disorders, in the South African child justice system, are unprotected. This vulnerable group is not dealt with from an individualised, case-specific, multi-disciplinary perspective; informed by legislation, practice-policy, and a service-orientated approach. Further, certain domestic legislation and methods of practice are inadequate in holistically assessing a child who comes into conflict with the law in the jurisdictions of comparison. Further findings identified that biological, psychological, environmental, cultural, and social factors influence the development of psychiatric disorders in children, which may bring them into conflict with the law. This study further confirmed that Attention Deficit Hyperactivity Disorder, Intellectual Development Disorder, Learning Disorder, Oppositional Defiant Disorder, and Conduct Disorder are prevalent in children who iv come into conflict with the law. Further, substance abuse disorder, depression and attachment disorder were identified as predominant factors affecting children who come into conflict with the law. The influence of these factors, in conjunction with biological, psychological, environmental, cultural, and social factors, were found to predispose children to psychiatric disorders linked to criminal behaviour. Thus, to meet the best interest standard; children in conflict with the law must be dealt with using a multi-factorial approach which considers biological, environmental, social, cultural, and psychological factors. In this way, the behaviour of child offenders with psychiatric disorders will be addressed holistically in a manner that considers all factors influencing behaviour. The empirical data supported the recommendations used to develop a trans-disciplinary framework for child offenders with psychiatric disorders. / Olu phononongo lwesi sifundo lujolise ekuphuhliseni isakhelo somthetho ophuculiweyo, iindlela zokusebenza kunye neenkonzo ukwenzela ukunikezela ezona zilungileyo iimfuno zabantwana abangabaphuli-mthetho benengulo yesifo sengqondo kwinkqubo yobulungisa yabantwana eMzantsi Afrika. Le njongo yaphunyezwa ngokwenziwa kwezifundo ezisemgangathweni ezahlola umthetho wobulungisa kubantwana kunye nomthetho olawula ezempilo ngokwengqondo, iindlela zokusebenza, abathathi-nxaxheba kunye neenkonzo eMzantsi Afrika. Ezi zathi ngoko zathelekiswa nomthetho, umsebenzi abathathi-nxaxheba kunye neenkonzo eNamibia, eBotswana, kunye naseNigeria ukufumanisa ukuba iimfanelo ezizizo zabantwana abangabaphuli-mthetho abaneengxaki zengqondo bayanakekelwa ngoku eMzantsi Afrika. Ukuqokelelwa kweenkcukacha kwenzeka kumanqanaba amabini: uhlalutyo lwemiqulu yomthetho, umgaqo-nkqubo kunye nenkqubo; Ukucazululwa kwamaxwebhu/kwemiqulu omthetho, umgaqo-nkqubo kunye neenkqubo ezikhethiweyo zothelekiso kulawulo lwezobulungisa, lilandelwe ludliwano-ndlebe olungahlelwanga ngokupheleleyo neengcaphephe/neengcali zezobulungisa lwabantwana kunye nemilo yezengqondo. Kwinqanaba lokuqala umphandi ucazulule umthetho wobulungisa kubantwana kunye nempilo yezengqondo, ukhuseleko lwamalungelo oluntu.kunye nemigaqo-nkqubo ehambelana/ enxulumene nobulungisa kubantwana eNigeria, eBotswana, eNamibia naseMzantsi Afrika. Ukongezelela walugocagoca uncwadi olubhekisele kubulungisa babantwana nezempilo yezengqondo kulawulo lwezobulungisa Eli nqanaba libe sisiseko soludwe lwenkqubo yodliwano-ndlebe olungamiselwanga ngokupheleleyo. Isampulu enenjongo neyingcingane yasetyenziswa ukuze kuqhutywe udliwano-ndlebe olungama-24 olungahlelwanga ngokupheleleyo. Ulwazi (idata) lwacalulwa lwacaciswa kusetyenziswa uxwebhu olusemgangathweni kunye nocalulo (analysis) olusemxholweni. Iziphumo ezicacileyo/eziqaqambileyo eziluphahla zibonisa ukuba okukokona kulungele abantwana abangabaphuli-mthetho abaneengxaki zezengqondo, abakhuselekanga kwinkqubo yezobulungisa babantwana eMzantsi Afrika. Eli qela lingakhuselekanga alivelelwa ngokomntu neengxaki zakhe yedwa, ngokwengxaki yakhe ngokuthe ngqo kusetyenziswe indlela ezahlukileyo ezilawulwa ngumthetho, ngumgaqo-nkqubo osebenzayo nokuvelela ngendlela yokuziqhelanisa nemeko. Ukuya phambili, eminye yemithetho yasekhaya neendlela zokusebenza azonelanga ekuhloleni ngokupheleleyo kumntwana ohlangabezana nokuphikisana nomthetho kummandla wothelekiso. Kuphinde kwafunyaniswa ukuba iimeko zozalo, zengqondo, zendawo, zenkcubeko nezentlalo ziyaziphembelela iingxaki zezengqondo ezivelayo ebantwaneni, ezinokwenza baphikisane nomthetho. Olu phononongo luqhubeka lungqina ukuba ukunganiki ngqalelo kwingxaki yokuphaphazela, ingxaki yokukhula kwengqiqo, ingxaki yokufunda, ingxaki yenkcaso yokulungileyo/ ukudelela kunye nengxaki yokuziphatha zixhaphakile kubantwana (abonayo) abaphikisana nomthetho. Ingxaki yokusebenzisa iziyobisi, ingcinezelo kunye nokuxhomekeka ziye zaphawulwa njengeemeko ezixhaphakileyo ezikhathaza abantwana abalwa nomthetho (abonayo). Iimpembelelo zezi meko, zidibene neemeko zozalo, zezengqondo, zendawo, zenkcubeko nezentlalo, zifunyenwe zilungiselela kwangaphambili abantwana kwezi ngxaki zezengqondo zithungelene ekuziphatheni ngokolwaphulo-mthetho. Ngoko ke ukuhlangabezana nomgangatho ofanelekileyo nobalulekileyo, ebhekelela abantwana abaphikisana nomthetho (abonayo) makusetyenzwe ngabo kusetyenziswe indlela ejongene neemeko ezininzi ezibandakanya iimeko zozalo, zendawo, zentlalo, zenkcubeko kunye nezengqondo. Ngale ndlela abantwana abaphula umthetho abanengxaki yezengqondo baya kuncedwa ngokupheleleyo ngendlela ebandakanya zonke iimeko eziphembelela ukuziphatha. Idatha ekholose ngamava avela kumava nokuboniweyo ixhasa izindululo ezenziweyo zokumisa isakhelo esisebenza kulo lonke uqeqesho lomntwana ophikisana nomthetho (owonayo) onengxaki yezengqondo. / Patlisiso ena e reretswe ho hlahisa moralo wa molao o ntlafetseng, mekgwa ya tshebetso le ditshebeletso bakeng sa molemo wa batlodi ba molao bao e leng bana ba nang le mathata a kelello tshebeletsong ya toka ya bana Afrika Borwa. Morero ona o fihletswe ka boithuto ba boleng, bo lekantseng melao ya toka ya bana le ya bophelo bo botle ba kelello, mekgwa ya tshebetso, baamehi le ditshebeletso Afrika Borwa. Tsona di ile tsa bapiswa le melao, tshebetso, baamehi le ditshebeletso dinaheng tsa Namibia, Botswana le Nigeria ho fumana hore na melemo e loketseng ya batlodi ba molao bao e leng bana ba nang le mathata a kelello e ya fumaneha hajwale Afrika Borwa. Pokeletso ya dintlha e etsahetse ka mekgahlelo e mmedi: manollo ya ditokomane tsa molao, melawana le mekgwatshebetso dibakeng tse kgethilweng tsa papiso tsa semolao; ho latetswe ke di-inthavu tse sa hlophiswang le ditsebi tsa toka ya bana le tsa molao wa bophelo bo botle ba kelello. Mokgahlelong wa pele mofuputsi o ile a manolla molao wa toka ya bana le wa bophelo bo botle ba kelello, ditshireletso tsa ditokelo tsa botho le melawana e amanang le toka ya bana dinaheng tsa Nigeria, Botswana, Namibia le South Africa. Ho feta moo, o ile a batlisisa dingolwa tse mabapi le toka ya bana le bophelo bo botle ba kelello dibakeng tse ka bapiswang tsa semolao. Mokgahlelo ona o bile motheo wa lenane la di-inthavu tse sa hlophiswang. Ho sebedisitswe mokgwa wa disampole wa kgetho le wa theho ya thiori ho etsa di-inthavu tse 24 tse sa hlophiswang. Dintlha di manollotswe le ho tolokwa ka manollo e sa tswakwang ya boleng ba ditokomane le ditema. Diphetho tse akaretsang di supa hore melemo e nepahetseng ya batlodi ba molao bao e leng bana ba nang le mathata a kelello ha e ya sireletswa moralong wa toka ya bana wa Afrika Borwa. Sehlopha sena se kotsing ha se sebetswe ka tjhebo ya bo-motho ka mong, ya kgetsi e kgethehileng, ya mafapha a mangata e tshehedistsweng ke molao, molawana wa tshebetso le tjhebo ya tshebetso. Ho feta moo, melao e meng ya lehae le mekgwa ya tshebetso e ne e fokola bakeng sa ho lekola ngwana ka tsela e felletseng, ya iphumanang a le kgahlano le molao dibakeng tsa semolao tse neng di bapiswa. ix Ho boetse ha fumanwa hore dintlha tsa tlhaho, kelello, tikoloho, setso le botjhaba di susumetso tlhaho ya bokudi ba kelello baneng, e leng ho etsang hore ba iphumane ba le kgahlano le molao. Boithuto bona hape bo tiisitse hore bokudi ba tlholeho ya tsepamiso le ketso e fetang tekano, bokudi ba kgolo ya bohlale, bokudi ba ho ithuta, bokudi ba ho ba kgahlano le ba bang le bokudi ba boitshwaro bo bongata bakeng ba iphumanang ba le kgahlano le molao. Bokudi ba tshebediso e mpe ya tahi kapa dithethefatsi, tshithabelo ya maikutlo le bokudi ba kgokahano di fumanwe e le mabaka a mantlha a amang bana ba qwaketsanang le molao. Tshusumetso ya dintlha tsena, hammoho le dintlha tsa tlhaho, kelello, tikoloho, setso le botjhaba, di fumanwe e le hore di pepesa bana ho bokudi ba mafu a kelello a amanngwang le botlokotsebe. Kahoo, e le ho ka fihlella maemo a melemo e nepahetseng, bana ba kgahlano le molao ba lokela ho sebetswa ka mokgwa wa ditsela tse fapaneng tse ngata, o kenyeletsang dintlha tsa tlhaho, tikoloho, setso, botjhaba le kelello. Ka mokgwa ona, batlodi ba molao bao e leng bana ba nang le bokudi ba kelello ba tla shejwa le ho sebetswa ka mokgwa o phethahetseng o kenyelletsang dintlha tsohle tse susumetsang boitshwaro. Dintlha tse bokelleditsweng di tsheheditse ditlhahiso tse sebedisitsweng ho hlahisa moralo wa makala a fapaneng bakeng sa batlodi ba molao bao e leng bana ba nang le bokudi ba kelello. / Criminology and Security Science / D. Phil. (Criminal Justice)

(Synopsis to introductory statement): An introductory statement to five documentary films made by Ian Lang in Australia between 1981 and 1997 exemplifying  a 'democratising' model of sustainable and ethical documentary film production. This document critically reflects on the production process of these films to accompany their submission for the degree of Doctor of Philosophy by Publication at Griffith University. It finds that a contemporary tendency towards 'post-industrial' conditions allows an observational film-maker to negotiate a critical inter-dependence rather than a romantically conceived 'independence' traditional to the genre. [Full thesis consists of introductory statement plus six DVD videodiscs.]