Recently, it has become common for designers to deal with complex and large-scale ubicomp or IoT spaces. Designers without technical implementation skills have difficulties in prototyping such spaces, especially the early phases of design. We present miniStudio, a designers' tool space proxemic interactions. It is built on existing software modeling materials (Photoshop, Lego, paper). Interactions can be defined Photoshop based five spatial relations: location, distance, motion, orientation,...

Prototyping devices with kinetic mechanisms, such as automata and robots, has become common in physical computing projects. However, mechanism design the early-concept exploration phase is challenging, due to dynamic unpredictable characteristics of mechanisms. We present Mechanism Perfboard, an augmented reality environment that supports linkage fabrication. It concretization ideas by generating initial desired from a real world movement. The projection simulated movement within enables...

Recent subject matters of design have become complex systems involving various elements and multiple users' interactions in large-scale spaces. In addition, visualizing these subjects without preparing heavy resources the early phases is challenging. this paper, we present SketchStudio, a prototyping tool for generating, sharing, reviewing an animated scenario subjects. The allows designers to define user experience by simply creating node graph user's journey over time space. SketchStudio...

Gesture-based interaction is still underutilized in the mobile context despite large amount of attention it has been given. Using accelerometers that are widely available devices, we developed M.Gesture, a software system supports accelerometer-based gesture authoring on single or multiple devices. The development was based formative study showed users' preferences for subtle, simple motions and synchronized, multi-device gestures. M.Gesture adopts an acceleration data space interface...

Haptic simulation of hand tools like wrenches, pliers, scissors and syringes are beneficial for finely detailed skill training in VR, but designing numerous usually requires an expert-level knowledge specific mechanism protocol. This paper presents HapLinkage, a prototyping framework based on linkage mechanism, that provides typical motion templates haptic renderers to facilitate proxy design virtual tools. The mechanical structures can be easily modified, example, scale the size, or change...

In this paper, the cost-effective design of an output reactor which is used to suppress overvoltage at motor terminal in adjustable-speed drive (ASD) application proposed. The suppression mechanism ASD analyzed and dominant parameters for are extracted. Using these as values considering high-frequency characteristics iron core reactor, a new structure Experimental results conventional proposed with 15-kW induction given verify scheme.

Modularity is one of the most important principles in software engineering and a necessity for every practical software. Since design space generally quite large, it valuable to provide automatic means help modularising it. An technique modularisation using object-oriented concept analysis (OOCA) proposed. The proposed strongly inspired by success reverse techniques based on formal (FCA). However, our experience shows that FCA-based result fine-grained modules and, thus, may be inadequate...

From the fact that first bit among four coded bits at rate compatible punctured convolutional (RCPC) coding defined in Eureka 147 DAB system is not punctured, this paper proposes a new model substitutes turbo code for existing RCPC without modifying puncturing procedure. The performance of compared to the, conventional fast information channel (FIC) and main service (MSC) transmission mode I on Rician fading Rayleigh channel.

Recently, the demand for designing mechanism-embedded artifacts has increased in personal digital fabrication. However, it is difficult nonexperts without engineering knowledge to design and build a prototype with kinetic mechanism. We present M.Sketch, prototyping tool that helps linkage-based mechanisms. It enables user easily configure mechanism simple interface applying geometry drawing metaphor. The features computational support, including interactive visualization, top-down...

The platform and floating structure of spar type offshore wind turbine systems should be designed in order for the 6-DOF motions to minimized, considering diverse loading environments such as ocean wave, wind, current conditions. objective this study is optimally design substructure a 3MW system with maximum postural stability well minimum material cost. Therefore, variables were first determined then optimized by hydrodynamic analysis. For analysis, body weight was considered, wave...

Using multiple sensor-embedded devices enables detection of usage contexts that extend new interaction opportunities (e.g., a gesture and posture composite interface). In this study, we explored design space contextual interactions using mobile device two wrist-worn devices, suggesting Mo-Bi, the bimanual posture-based interface system. Mo-Bi recognizes user's hand compositely utilizing spatial configurations three devices. It provides contextually appropriate layout or application function...

We present M.Sketch, a prototyping tool to support non-experts design and build linkage-based mechanism prototype. It enables users draw simulate arbitrary mechanisms as well make physical prototype for testing actual movement. Mix of bottom-up top-down sketching approaches, real-time movement visualization, functions digital fabrication can the desired easily effectively. M.Sketch be used customized products with kinetic movement, such interactive robot, toys, sculptures.

Iterative artistic exploration, mechanism building, and interaction programming are essential processes of prototyping interactive kinetic art (IKA). However, scattered tools interwoven workflows across digital physical worlds make the task difficult. We present WIKA, an integrated environment supporting whole creation process IKA in form a layered picture frame single workspace. A projected AR system with mobile device efficiently makes tabletop. The information connected components (e.g....

A specification and validation technique for dynamic systems is proposed. In particular, a new temporal logic, called HDTL, presented the tableau method revised automatic analysis. Using freeze quantifier, HDTL with makes it possible to specify correctness requirements of validate them. The proposed logic rather generic, i.e. has only few assumptions on operational language. authors introduce simple modelling language illustrate its experiment. experiment shows that suitable specifying...

Interspinous spacer devices used in interspinous fixation surgery remove soft tissues the lumbar spine, such as ligaments and muscles may cause degenerative diseases adjacent segments its stiffness is higher than that of spine. Therefore, this study aimed to structurally kinematically optimize a device (LIFD) using full finite element model allows for minimally invasive surgery, after which normal behavior spine not affected. The proposed healthy models reflect physiological characteristics...

It is challenging to envision the user experience (UX) within an interactive and ubiquitous computing space in early phases of a design process due large scale complex interactivity among multiple people agents. To address limitations existing tools, we present miniStudio, prototyping toolkit for environments larger than human scale. consists software hardware kits constructing miniature physical spaces testing dynamic interactions them through combination paper models Lego. also supports...

This paper discloses Model-based design (MBD) and auto code generation for power electronics applications to show work flow, computation comparison, test results. The tool can support design, simulation generation, so anticipation of the verification validation stage implementation processor are much convenient in MBD flow. Vienna rectifier is chosen example. experimental shows different switching frequency abnormal grid condition tests using generated code.

본 논문에서는 LTE-A (Long Term Evolution-Advanced) 하향링크 시스템을 위한 채널 추정 기법을 제안한다. 제안 기법은 빠른 속도로 움직이는 사용자의 추정이 가능하도록 FFT (Fast Fourier Transform) 보간 사용한다. LS (Least Square) 또는 MMSE (Minimum Mean Square Error) 추정으로부터 얻은 주파수 응답을 IFFT(Inverse FFT)를 거쳐 시간 영역 임펄스 응답으로 변환한다. 영역의 윈도잉을 한 후, FFT를 하여 구할 수 있다. 시스템 레벨 시뮬레이션은 3GPP 시스템의 20㎒ 대역을 기반으로 이루어졌으며, 모의실험 결과 제안한 통해 기존 시스템보다 SINR (Signal-to-Noise-plus-Interference Ratio), 전송률 및 스펙트럼 효율 측면에서 성능 향상을 가져다주는 것을 확인하였다.

In this paper, the cost-effective design of an output reactor which is used to suppress overvoltage at motor terminal in adjustable speed drives (ASD) application proposed. elevator drive system, power cable length relatively shorter than other ASD applications and then depends on frequency characteristics operating frequency. The suppression mechanism analyzed dominant parameters for are extracted. Using these as values considering high iron core reactor, a new structure Experimental...