title: Supercapacitor-assisted techniques and supercapacitor-assisted loss management concept: New design approaches to change the roadmap of power conversion systems

authors: Kularatna, Nihal

subjects: low-dropout regulators

abstract: All electrical and electronic devices require access to a suitable energy source. In a portable electronic product, such as a cell phone, an energy storage unit drives a complex array of power conversion stages to generate multiple DC voltage rails required. To optimize the overall end-to-end efficiency, these internal power conversions should waste minimal energy and deliver more to the electronic modules. Capacitors are one of the main component families used in electronics, to store and deliver electric charges. Supercapacitors, so called because they provide over a million-fold increase in capacitance relative to a traditional capacitor of the same volume, are enabling a paradigm shift in the design of power electronic converter circuits. Here we show that supercapac-itors could function as a lossless voltage-dropping element in the power conversion stages, thereby significantly increasing the power conversion stage efficiency. This approach has numerous second-ary benefits: it improves continuity of the supply, suppresses voltage surges, allows the voltage regulation to be electromagnetically silent, and simplifies the design of voltage regulators. The use of supercapacitors allows the development of a novel loss-circumvention theory with applicability to a wide range of supercapacitor-assisted (SCA) techniques. These include low-dropout regulators, transient surge absorbers, LED lighting for DC microgrids, and rapid energy transfer for water heat-ing.

text: Supercapacitor-assisted techniques and supercapacitor-assisted loss management concept: New design approaches to change the roadmap of power conversion systems All electrical and electronic devices require access to a suitable energy source. In a portable electronic product, such as a cell phone, an energy storage unit drives a complex array of power conversion stages to generate multiple DC voltage rails required. To optimize the overall end-to-end efficiency, these internal power conversions should waste minimal energy and deliver more to the electronic modules. Capacitors are one of the main component families used in electronics, to store and deliver electric charges. Supercapacitors, so called because they provide over a million-fold increase in capacitance relative to a traditional capacitor of the same volume, are enabling a paradigm shift in the design of power electronic converter circuits. Here we show that supercapac-itors could function as a lossless voltage-dropping element in the power conversion stages, thereby significantly increasing the power conversion stage efficiency. This approach has numerous second-ary benefits: it improves continuity of the supply, suppresses voltage surges, allows the voltage regulation to be electromagnetically silent, and simplifies the design of voltage regulators. The use of supercapacitors allows the development of a novel loss-circumvention theory with applicability to a wide range of supercapacitor-assisted (SCA) techniques. These include low-dropout regulators, transient surge absorbers, LED lighting for DC microgrids, and rapid energy transfer for water heat-ing.

year: 2021

title: Requirements on dance-driven 3-D camera interaction: A collaboration between dance, Graphic Design and Computer Science

authors: Jung, Doris

subjects: computer science

abstract: In this paper we describe our initial ideas towards research investigating dance-driven 3-D-camera interaction as a tool for creating holistic pieces of art for an enriched performance experience.
In the first part, we focus on the technical analysis of requirements on a set of input parameters for the dance input.
In the second part we explore requirements stemming from the creative themes envisaged.
In the discussion we synergize these requirements towards the requirements on a first prototype of the dance-driven 3-D-camera interaction.

text: Requirements on dance-driven 3-D camera interaction: A collaboration between dance, Graphic Design and Computer Science In this paper we describe our initial ideas towards research investigating dance-driven 3-D-camera interaction as a tool for creating holistic pieces of art for an enriched performance experience.
In the first part, we focus on the technical analysis of requirements on a set of input parameters for the dance input.
In the second part we explore requirements stemming from the creative themes envisaged.
In the discussion we synergize these requirements towards the requirements on a first prototype of the dance-driven 3-D-camera interaction.

year: 2011

title: How Māori precariate families navigate social services

authors: King, Delta

abstract: We are living in a period in which the increasingly precarious nature of employment and welfare support systems has dramatically amplified the hardships faced by many people.¹ Correspondingly, much still needs to be written about the rise of the precariat. ² International literature asserts that post World War II paid employment was commonly full-time and secure up until the 1970s, when the rise of more insecure work increased as neoliberal policies and globalisation began dominating public deliberations regarding work and social life. ³ Subsequent recessions across many OECD countries contributed to labour market transformations back towards increased 'flexibility' and- the casualisation of employment. These labour market shifts have resulted in insecure work and income situations for many households, which for some means frequent cycles of paid employment and welfare dependency. People experiencing such insecure employment face insecure and unliveable incomes while grappling with inadequate state support - these are the people increasingly known as 'the precariat'.

text: How Māori precariate families navigate social services We are living in a period in which the increasingly precarious nature of employment and welfare support systems has dramatically amplified the hardships faced by many people.¹ Correspondingly, much still needs to be written about the rise of the precariat. ² International literature asserts that post World War II paid employment was commonly full-time and secure up until the 1970s, when the rise of more insecure work increased as neoliberal policies and globalisation began dominating public deliberations regarding work and social life. ³ Subsequent recessions across many OECD countries contributed to labour market transformations back towards increased 'flexibility' and- the casualisation of employment. These labour market shifts have resulted in insecure work and income situations for many households, which for some means frequent cycles of paid employment and welfare dependency. People experiencing such insecure employment face insecure and unliveable incomes while grappling with inadequate state support - these are the people increasingly known as 'the precariat'.

year: 2017