Student Conference on Research and Development
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Các bài báo tiêu biểu
Worst month rain statistics measurement in Malaysia
- Trang 12-14
Excess attenuation due to rainfall is one of the most important constraints to the performance of microwave radio links. In temperate climates at frequencies above 10 GHz, rainfall rates have significant effects on the performance of microwave radio links. Therefore, the behavior of radio communication links varies seasonally over a year. This paper presents on the results obtained from the analys......
#Rain #Statistics #Probability #Statistical distributions #Radio link #Attenuation measurement #Calendars #Statistical analysis #Time measurement #Frequency
Harmonics and reactive compensation using rectifier-boost technique
- Trang 217-219
This paper concern with the study of a single-phase rectifier circuit and its effects on the AC supply system. System compensation through the used of boost technique in wave shaping the supply current is proposed. Two control loops namely current control loop (CCL) and voltage control loop (VCL) employing TWM technique and fuzzy logic system respectively are used. This compensation strategy is an......
#Voltage control #Rectifiers #Circuits #Current supplies #Control systems #Current control #Fuzzy logic #MATLAB #Analytical models #Packaging
Application of numerical technique in tangent analysis of a discrete step response data
- Trang 19-22
Tangent analysis is the conventional method used to analyze an open-loop step response curve. It is done by drawing a tangent line at the steepest point of the step response curve. The process dynamics such as dead time and response rate can be obtained from the analysis. Later, this information is applied to the open-loop tuning rule for optimum PID calculation. With current developments in paper......
#Digital control #Three-term control #Sampling methods #Time factors #Numerical analysis #Tuning #Open loop systems #Chemical engineering #Mechanical engineering #Engineering drawings
Implementation of video conferencing over IPv6 on the Linux platform
- Trang 375-377
Video conferencing allows people to simulate face-to-face conversations by integrating duplex transmission real-time audio and video with a computer system. IPv6 (also known as IPng-ng for new/next generation), provides 128-bit addressing (that is billions upon billions of addresses), compatibility with IPv4 addresses, security and authentication, quality of service (reserving bandwidth), plug-and......
#Videoconference #Linux #Quality of service #Bandwidth #Computational modeling #Computer simulation #Real time systems #Next generation networking #Authentication #Routing
Reactive navigation of autonomous guided vehicle using fuzzy logic
- Trang 153-156
In this paper, reactive navigation of an autonomous guided vehicle (AGV) is described using the fuzzy logic technique. Typically AGV has the ability to operate and move purposely without human intervention and reactive navigation is one of the robot navigation methods used in dealing with the uncertainties and ambiguity of the information of the path that the robot traverses. Fuzzy logic is chosen......
#Navigation #Remotely operated vehicles #Mobile robots #Fuzzy logic #Intelligent sensors #Mathematical model #Humans #Fuzzy control #Predictive models #Control systems
Phân tích tải trong thị trường điện mới Dịch bởi AI
- Trang 278-281
Ngành điện đã sử dụng các biểu đồ tải, đặc biệt là trong việc xây dựng biểu phí, trong nhiều năm. Tuy nhiên, việc sử dụng các biểu đồ tải trong thị trường điện mới là một sự phát triển mới và khác biệt. Trong một môi trường năng lượng phi huy động, khách hàng có thể mua điện từ bất kỳ nhà cung cấp nào mà không cần quan tâm đến quy mô và vị trí. Do đó, ngày càng có sự quan tâm đến việc hiểu bản chấ......
#Electricity supply industry #Electricity supply industry deregulation #Power industry #Power generation #Power systems #Consumer electronics #Industrial electronics #Power engineering and energy #Electronics industry #Shape
Image based fingerprint verification
- Trang 58-61
Human fingerprints have been considered as a unique signature certifying one's identity. Fingerprint verification is currently the most popular technique of biometric personal identification. As a biometric proof of identification, an alignment-based minutiae matching algorithm has been widely investigated, however, not many have considered fingerprint identification using image based verification......
#Fingerprint recognition #Image matching #Biometrics #Computational efficiency #Gray-scale #Streaming media #Convolution #Humans #Fast Fourier transforms #Robustness
Simulation and analysis of power converter harmonics
- Trang 213-216
The applications of large power electronic converter results in generation of low (LF) and high (HF) frequencies harmonics in the power system. The adverse effects of harmonics are widespread. In this paper, harmonic analysis was carried out on 3-phase fully controlled thyristor bridge. Methods of harmonic reduction have been used. It has been found that, the 12-pulse method is suitable in reducti......
#Analytical models #Harmonic analysis #Power conversion harmonics #Power harmonic filters #Power system harmonics #Power system simulation #Power generation #Bridges #Power electronics #Hafnium
Predicting transmittance, absorptions and reflectance characteristics for the design of transparent dome passive daylight collector
- Trang 208-212
Daylighting systems are a particular type of solar collector which may be used to provide illumination for the interior of a building by directing daylight into the building. Daylighting and thermal loads are very important design issues for passive daylight collector design. A mathematical model has been developed to predict the visible solar transmittance, absorptance and reflectance of a transp......
#Absorption #Reflectivity #Daylighting #Buildings #Mathematical model #Geometrical optics #Lighting #Thermal loading #Shape #Solar heating
Hệ thống vững chắc cho việc truyền dữ liệu qua mạng phân phối điện áp thấp Dịch bởi AI
- Trang 399-402
Đọc số công tơ tự động (AMR) là quá trình thu thập từ xa dữ liệu tiêu thụ từ các công tơ tiện ích của khách hàng thông qua viễn thông, radio, dây điện và các liên kết khác. AMR mang lại cho các công ty dịch vụ tiện ích về nước, điện và khí đốt cơ hội để tối ưu hóa quy trình đo đếm, lập hóa đơn và thu thập, tăng cường hiệu quả hoạt động và cải thiện dịch vụ khách hàng. Bài báo này nhấn mạnh về phươ......
#Robustness #Data communication #Low voltage #Automatic meter reading #Communication system control #Meter reading #Power system reliability #Automatic control #Costs #Power line communications