A single-link flexible manipulator is fabricated. This flexible manipulator is modeled as a SIMO system with the motor-torque as the input and the hub angle and the tip position as the outputs. The two transfer functions are identified using frequency-domain system identification. A polynomial based feedback controller is designed to damp hub angle

A survey was conducted to investigate the relationship between self-esteem and high academic achievement. It is hypothesized that high academic achievers are more likely to possess high self-esteem. Fifty undergraduate students (41 females and 9 males) who received Dean’s List and obtained a GPA of 3.50 and above were contacted and selected as re

Metal matrix composite (MMC) with silicon carbide (SiC) reinforcement in pure aluminum matrix have found wide application in the automotive industry, especially in fiber reinforced pistons and particle-strengthened brake discs. Silicon carbide (SiC) reinforcement provides improved mechanical properties, thermal stability, high temperature formabili

Security of an information system depends to a large extent on its ability to authenticate legitimate users as well as to withstand attacks of various kinds. Confidence in its ability to provide adequate authentication is, however, waning. This is largely due to the wrongful use of passwords by many users. In this paper, the design and development

The positioning systems generally need a good controller to achieve high accuracy, fast response and robustness. In addition, ease of controller design and simplicity of controller structure are very important for practical application. For satisfying these requirements, NCTF (nominal characteristic trajectory following controller) has been propose

The use of students' and teachers' perception of their educational environments can assist educators determine the preference of each group in teaching and learning and thus assist in improving the environment. This would hopefully result in more effective teaching and learning conditions that can thus improve students' achievement. Stu

In the present study, a damage detection problem is formulated as the identification of the spatial stiffness distribution in a damaged composite plate. Full-field heterogeneous curvature fields obtained from an optical deflectometry technique are processed by using the virtual fields method adapted to retrieve the 2D stiffness distribution

Since the introduction of the new primary mathematics curriculum in Brunei starting January 2006, more teachers of elementary schools are seeking a suitable way of incorporating mathematical thinking in each mathematics lesson that they teach. For this particular purpose, teachers were introduced to lesson study and it is hoped that with the guidan

This paper presents the result of an experimental investigation on tool wear during the high speed end milling of AISI H13 tool steel by TiAlN coated carbide insert under dry cutting condition. Sufficient numbers of experiment were run based on the central composite design (CCD) concept of response surface methodology (RSM) in order to generate too

The study of soil for agriculture purposes has remained the main focus of research since the beginning of civilization as humans’ food related requirements remained closely linked with the soil. The study of soil has generated an interest among the researchers for very similar other reasons including transmission, reflection and refraction of sig