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Browsing 09 Engineering by Title

Now showing items 1619-1638 of 2364

Optimal Packetization Interval for VoIP Applications Over IEEE 802.16 Networks

Pawlikowski, Krzysztof.; Perera, Shehan.; Sirisena, Harsha. (2007-03-12)

An analysis of the impact of the packetization interval for constant bit rate traffic has been done in the context of IEEE 802.16 MAC layer. Bandwidth used for overheads which include lower layer headers as well as ...
Optimal Path-following Control of a Smart Powered Wheelchair

Nguyen Tuan; Nguyen Hung; Su Steven (IEEE, 2008)

This paper proposes an optimal path-following control approach for a smart powered wheelchair. Lyapunovâ¿¿s second method is employed to find a stable position tracking control rule. To guarantee robust performance of this ...
An Optimal Traction Control Scheme for Off-Road Operation of Robotic Vehicles

Waldron Kenneth; Abdallah Muhammad (Institute of Electrical and Electronics Engineers, 2007)

Active degrees of freedom provide a robotic vehicle the ability to enhance its performance in all terrain conditions. While active suspension systems are now commonplace in on-road vehicles, their application to off-road ...
Optimal Training Sequence Design For MIMO-OFDM In Spatially Correlated Fading

Luong Viet; Tran N; Hoang Tuan (IEEE, 2008)

Channel estimation and training sequence design for spatially correlated fading in Multiple Input Multiple Output with Orthogonal Frequency Division Multiplexing (MIMO-OFDM) systems are still open research topics of great ...
Optimal Training Signals And Detection For OFDM Under Colored Noise

Tran N; Hoang Tuan; Nguyen Ha (IEEE, 2007)

Based on convex programming, this paper presents the optimal training signal design for orthogonal frequency-division multiplexing (OFDM) under colored noise. An effective method for OFDM symbol detection with the use of ...
Optimisation of a three-colour luminescent solar concentrator daylighting system

Earp Alan; Smith Geoffrey; Franklin James; Swift Paul (Elsevier, 2007)
An optimised water intake with the presence of submerged vanes in irrigation canals

Moghadam Mehdi; Keshavarzi Alireza (John Wiley & Sons Ltd., 2010)

One of the problems at most water intakes is accumulation of sediment at the entrance and changing of flow talweg path at the water intake. Submerged vanes are small hydraulic structures that are used for flow and sediment ...
Optimization Design of a Voice Coil Actuator Based on Improved SOM

Li Yanbin; Lei Gang; Guo Youguang; Zhu Jianguo (IEEE, 2011)

Voice coil actuator is a new kind of direct drive motor. It has many good performances, such as high acceleration and fast response. We present an improved sequential optimization method (SOM) and dimension reduction ...
Optimization for capacitor-driven coilgun based on equivalent circuit model and genetic algorithm

Guo Liuming; Guo Ningning; Wang Shuhong; Qiu Jie; Zhu Jianguo; Guo Youguang; Wang Yi (IEEE, 2009)

This paper presents an analysis and optimal design of a capacitor-driven inductive coilgun. The electromagnetic FEA model of the capacitor-driven inductance coilgun is established and simulated by using Ansoft. In order ...
Optimization of foam-filled bitubal structures for crashworthiness criteria

Zhang Y.; Sun G.; Li G.; Luo Zhen; Li Q. (Elsevier Ltd., 2012)

Thin-walled structures have been widely used as key components in automobile and aerospace industry to improve the crashworthiness and safety of vehicles while maintaining overall light-weight. This paper aims to explore ...
Optimization of head movement recognition using augmented radial basis function neural network

Yuwono Mitchell; Handojoseno Ardi; Nguyen Hung (IEEE, 2011)

For people with severe spine injury, head movement recognition control has been proven to be one of the most convenient and intuitive ways to control a power wheelchair. While substantial research has been done in this ...
Optimization of Stator Design in a Consequent-Pole Type Bearingless Motor Considering Magnetic Suspension Characteristics

Nakagawa Masakazu; Asano Yoshikazu; Mizuguchi Akira; Chiba Akira; Xuan Che Xiao; Ooshima Masahide; Takemoto Masatsugu; Fukao Tadashi; Ichikawa Osamu; Dorrell David (IEEE, 2006)

In this paper, a design optimization method for a consequent-pole bearingless motor is presented. This produces stable magnetic suspension under motor torque generation. The suspension force reduction and direction error, ...
Optimization Of Training Sequences For Spatially Correlated MIMO-OFDM

Hoang Tuan; Luong V; Nguyen Ha (IEEE, 2009)

The optimal training sequence for channel estimation in spatially correlated multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems has not been found for an arbitrary signal-to-noise ...
Optimized Analog Filter Designs With Flat Responses by Semidefinite Programming

Hoang Nguyen; Hoang Tuan; Nguyen Tuan; Hoang Hung (IEEE-Inst Electrical Electronics Engineers Inc, 2009)

Analog filters constitute indispensable components of analog circuits. Inspired by recent advances in digital filter design, this paper provides a flexible design for analog filters. All-pole filters have maximally flat ...
Optimized Analog Flat Filter Design

Hoang Hung; Hoang Tuan; Nguyen Tuan (IEEE-Inst Electrical Electronics Engineers Inc, 2010)

This paper proposes a systematic approach for the optimized design of analog filters, which includes all well-known classical analog filters as a special case. All specifications including the conventional ones and also ...
Optimized cool roofs: Integrating albedo and thermal emittance with R-value

Gentle Angus; Aguilar Jose; Smith Geoffrey (Elsevier Inc, 2011)

For cool roofs the combined effect of the three parameters that define heat gain and loss from a roof, namely solar albedo a, thermal emittance E, and sub-roof R-value, must be considered. An accurate contribution of night ...
Optimized Forwarding for Wireless Sensor Networks by Fuzzy Inference System

Azim, Mohammad Abdul; Jamalipour, Abbas (2007-03-12)

For the flat wireless sensor networks, we investigate the optimization problem of the routing path based on the metrics: distance, power and link usage to maximize the lifetime of the sensor networks. We employ the well ...
Optimized Power Allocation In Nonlinear Sensor Networks Via Semidefinite Programming

Rashid Umar; Hoang Tuan; Kha H (IEEE, 2010)

This paper presents an efficient technique for power allocation to the sensor nodes in a nonlinear sensor network (NSN). We minimize mean square error of the estimation of a random scalar parameter subject to a constraint ...
Optimized Training Sequences for Spatially Correlated MIMO-OFDM

Hoang Tuan; Kha H; Nguyen Ha; Luong V (IEEE-Inst Electrical Electronics Engineers Inc, 2010)

In this paper, the training sequence design for multiple-input multiple-output (MIMO) orthogonal frequency-division multiplexing (OFDM) systems under the minimum mean square error (MMSE) criterion is addressed. The optimal ...
Optimizing Heart Rate Regulation For Safe Exercise

Su Steven; Huang Shoudong; Wang Lu; Celler Branko; Savkin Andrey; Guo Ying; Cheng Teddy (Springer, 2010)

Safe exercise protocols are critical for effective rehabilitation programs. This paper aims to develop a novel control strategy for an automated treadmill system to reduce the danger of injury during cardiac rehabilitation. ...

Now showing items 1619-1638 of 2364

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