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Syed Hassan,Jungown Yoon 제어로봇시스템학회 2011 제어로봇시스템학회 국제학술대회 논문집 Vol.2011 No.10
In this paper we present the novel use of haptic intensified information for 3D aircraft assembly simulation system. In simulation system an optimal assembly algorithm is used to assist the system providing optimal path for haptic guidance as well as the assembly sequence of the parts to be assembled. Several methods for intensified haptic guidance are analyzed in virtual environment along with their limitations and challenges. In active haptic guidance mode, the user is guided by the attractive forces from initial to final assembly position, whereas, in passive haptic guidance the optimal assembly algorithm provides optimal path guide on which movement of the user is allowed in the preferred direction and constrained in other directions. Experimental results showed that haptic passive guidance (HPG) mode gave the best performance improvements in terms of overall assembly time compared to the haptic active guidance (HAG) and haptic free mode (HF). It was observed that HPG mode not only guides user to his target but also the deviation from desired target path is reduced. The proposed guidance modes were tested with a haptic interface designed for virtual 3D aircraft assembly environment.
Named data networking-based smart home
Syed Hassan Ahmed,김동균 한국통신학회 2016 ICT Express Vol.2 No.3
Named data networking (NDN) treats content/data as a “first class citizen” of the network by giving it a “name”. This content “name” is used to retrieve any information, unlike in device-centric networks (i.e., the current Internet), which depend on physical IP addresses. Meanwhile, the smart home concept has been gaining attention in academia and industries; various low-cost embedded devices are considered that can sense, process, store, and communicate data autonomously. In this paper, we study NDN in the context of smart-home communications, discuss the preliminary evaluations, and describe the future challenges of applying NDN in smart-home applications.
The Muslims in Hong Kong and their Religious Symbols
Syed Minhaj ul Hassan 한국이슬람학회 2015 한국이슬람학회논총 Vol.25 No.2
The history of Muslims in Hong Kong, or we can say in this area, dates back to 7 th century AD, when the Holy Prophet Muhammad sent one of his companions to Canton, now Guangzhou, in China, thus started the Muslims religious and cultural life in this part of the world. The Muslims have their distinct religious and cultural values and norms and the Muslims of Hong Kong are no exemption. The Muslims of Hong Kong like other Muslims in other parts of the world have preserved their religious life and culture through their religious symbols. Amongst these religious symbols the most important and omnipresent are their worshiping places known as Mosques and their burial places known as graveyards. Mosques are not only the prayers’ places but also community gathering places where the Muslims are supposed to not only pray five times daily but also to discuss their worldly as well as religious problems. The graveyards are the last abode of Muslims, which are visited by the Muslims on all auspicious occasions for the remembrance of their dead family members as well as friends.
A Full Rate Dual Relay Cooperative Approach for Wireless Systems
Syed Ali Hassan,Geoffrey Ye Li,Peter Shu Shaw Wang,Marilynn Wylie Green 한국통신학회 2010 Journal of communications and networks Vol.12 No.5
Cooperative relaying methods have attracted a lot of interest in the past few years. A conventional cooperative relaying scheme has a source, a destination, and a single relay. This cooperative scheme can support one symbol transmission per time slot,and is called full rate transmission. However, existing full rate cooperative relay approaches provide asymmetrical gain for different transmitted symbols. In this paper, we propose a cooperative relaying scheme that is assisted with dual relays and provides full transmission rate with the same macro-diversity to each symbol.We also address equalization for the dual relay transmission system in addition to addressing the issues concerning the improvement of system performance in terms of optimal power allocations.
( Syed Muhammad Imran Hassan ),김희택,박성수,전순정,( Haider Muhammad Salman ) 한국공업화학회 2015 한국공업화학회 연구논문 초록집 Vol.2015 No.0
This study introduces a systematic approach to disperse graphene oxide (GO) during emulsion polymerization of Polyaniline (PANI) to form nanocomposites with improved electrical conductivities. The polymerization process was carried out in the presence of a functionalized protonic acid such as dodecyl benzene sulfonic acid (DBSA), which acts both as an emulsifier and protonating agent. The microstructures of the PANI/GO nanocomposites were studied by SEM, TEM, X-Ray diffraction, UV-Vis spectrometry, Fourier transform infrared and Thermogravimetric analyses. Meanwhile, the electrical conductivities of the nanocomposite pellets pressed at different applied pressures were determined using the four probe analyzer. The addition of GO was essential component to improve the thermal stability and electrical conductivities of the PANI/GO nanocomposites. An enhanced conductivity of 474 S/m was observed at 5 wt. % GO loading and applied pressure of 6 tons.
5G NR mmWave Indoor Coverage with Massive Antenna System
Syed Hassan Raza Naqvi,Pin Han Ho,Limei Peng 한국통신학회 2021 Journal of communications and networks Vol.23 No.1
In this paper, we introduce a novel mmWave access architecture,called mmWave over cable (mmWoC), for achieving effectiveindoor coverage, which is characterized by using an analogmodulated relay link to transport the outdoor mmWave signalsto the indoors. To enable an effective mapping of radio signals onthe cable sub-carriers, we introduce non-configurable air-to-cable(NC-A2C) scheduler that is characterized by its low control complexityand hardware requirement. We will discuss the merits ofthe proposed mmWoC access architecture and the NC-A2C scheduler,which are further validated via extensive simulations.
Syed Raza Ali Raza,임준영,Zamir-ul-Hassan,임성길,이영탁 한국물리학회 2020 Current Applied Physics Vol.20 No.12
In this work, electrical Joule heating (J-H) was employed for the first time to electrically isolate ZnO nanowire FETs array for one dimensional (1D) logic applications without any physical and electrical damages. The electrical properties of the isolated nanowire FETs were found to be superior to non-isolated FETs came from the neighboring gate effect. Finally, we investigated ZnO nanowire-based NOT, NAND, and NOR logic gates with the J-H nanowire isolation technique. The isolated logic gates clearly show much lower output voltage off level than the non-isolated circuits thus resulting in more accurate and reliable 1D electronic applications.
Haptic Guided Optimized Aircraft Maintenance Assembly Disassembly Path Planning Scheme
Syed Hassan,Jungwon Yoon 제어로봇시스템학회 2010 제어로봇시스템학회 국제학술대회 논문집 Vol.2010 No.10
The virtual aircraft manufacturing environment the most difficult phase so far considered is the automated A/D process (Assembly / Disassembly). The effectiveness of the maintenance scheme depends on the time taken to complete the A/D process. When dealing with complex 3D environment that simulates realistic models, the assembly path planning of the parts becomes more complex because of the factors like complex geometry computations, obstacles, orientation and initial/final position of the part. Therefore, In a 3D environment the path planning of the parts becomes an important factor affecting the overall efficiency of the maintenance process. To address this problem an intelligent assembly path planner is developed with an approach based on Ant colony algorithm and potential field path planning concepts. Furthermore, haptic-assisted feature is implemented for user support for realistic 3D path planning simulations and training.