65 Result(s)
within
Yong-** Dong
Engineering
Industrial and Production Engineering
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Article
Anti-lock brake system control for buses based on fuzzy logic and a sliding-mode observer
In this paper, an anti-lock brake system (ABS) for commercial buses is proposed based on a fuzzy-logic controller and a sliding-mode observer of the vehicle speed. The brake controller generates pulse width mo...
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Article
Design and implementation of 30„ geometry PIG
This paper introduces the developed geometry PIG (Pipeline Inspection Gauge), one of several ILI (In-Line Inspection) tools, which provide a full picture of the pipeline from only single pass, and has compact ...
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Article
Verification of the Theoretical Model for Analyzing Dynamic Behavior of the PIG from Actual Pigging
This paper deals with verification of the theoretical model for dynamic behavior of Pipeline Inspection Gauge (PIG) traveling through high pressure natural gas pipeline. The dynamic behavior of the PIG depends on...
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Article
Development of the caliper system for a geometry pig based on magnetic field analysis
This paper introduces the development of the caliper system for a geometry PIG (Pipeline Inspection Gauge). The objective of the caliper system is to detect and measure dents, wrinkles, and ovalities affect th...
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Article
Local collision avoidance of multiple robots using avoidability measure and relative distance
This paper presents a new method driving multiple robots to their goal position without collision. To consider the movement of the robots in a work area, we adopt the concept of avoidability measure. The avoid...
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Article
Sizing of spray particles using image processing technique
The image processing technique is simple and, in principle, can handle particles with various shapes since it is based on direct visualization. Moreover, a wide measurement area can be covered with appropriate...
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Article
Application of the axiomatic design methodology to the design of PBGA package with polyimide coating layer
The purposes of the paper are to apply the axiomatic design methodology to the design of PBGA package with polyimide coating under hygrothermal loading in the IR soldering process and to suggest more reliable ...
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Article
Three-dimensional computations of the impulsive wave discharged from a duct
A sudden discharge of mass flow from the exit of a duct can generate an impulsive wave, generally leading to undesirable noise and vibration problems The present study develops an understanding of unsteady flo...
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Article
An experimental study of the nozzle lip thickness effect on supersonic jet screech tones
It is well known that screech tones of supersonic jet are generated by a feedback loop driven by the instability waves. Near the nozzle lip where the supersonic jet mixing layer is receptive to external excita...
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Article
Estimation for bolt fastening conditions of thin aluminum structure using PZT sensors
This work presents a study on PZT impedance-based method, it is one of the NDT(Non-Destructive Technique). We study about assessment of the square-structure health condition by impedance-based technique using ...
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Article
Dynamic analysis of a linear motion guide having rolling elements for precision positioning devices
Linear motion (LM) guides supported by rolling elements can be used to ultra-accurately position precision machines. For accurate positioning, the micro and macro dynamic behavior of the LM guide must be under...
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Article
The comparison of joint kinematic error using the absolute and relative coordinate systems for human gait
Minimizing artifacts from skin movement is vital for acquiring more accurate kinematic data in human movement analysis. There are several stages that cause skin movement artifacts and these stages depend on th...
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Article
Analysis of the combustion instability of a model gas turbine combustor by the transfer matrix method
Combustion instability is a major issue in design of gas turbine combustors for efficient operation with low emissions. A transfer matrix-based approach is developed in this work for the stability analysis of ...
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Chapter and Conference Paper
Comparison of vibration analysis with different modeling method of a rotating shaft system
The numerical analysis is the basic step of machine designing and the result from it is the fundamental data for the assess management of machine/plant. Recently, many kinds of softwares based on different met...
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Article
Simulation of clutch actuation system for commercial vehicle
Generally, a method of a hysteresis loop is used to show the property of the clutch system in the design process. This represents the load by a pedal travel which is a useful data for designing a vehicle for t...
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Article
Friction and wear characteristics of UHMWPE against Co-Cr alloy under the wide range of contact pressures in lumbar total disc replacement
Ultra-high molecular weight polyethylene (UHMWPE) and Co-Cr alloy are still commonly used bearing materials for total disc replacement (TDR) as well as total joint replacement (TJR). Compared to TJR, in TDR, t...
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Article
Slave rotation analysis of miniature inner grooved copper tube through rotary swaging process
Miniature inner grooved copper tube (MIGCT) is widely applied in industries. To overcome the weak rigidity and strength of MIGCT during stepped tubes manufacturing, rotary swaging process was selected after co...
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Article
A novel error compensation implementing strategy and realizing on Siemens 840D CNC systems
Error compensation implementing strategy of CNC machine tools is a key technique. Basing on handwheel offset function of CNC system, a novel error compensation implementing strategy were proposed, and an error...
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Article
Trabecular bone loss in lumbar vertebrae and tibiae following sciatic nerve injury: correlation between baseline bone quantity (BV/TV) and the magnitude and rate of bone loss
The aim of this study was to determine whether sciatic nerve injury (SNI) can cause trabecular bone loss in not only the tibia, but also the lumbar vertebrae, and to investigate the correlation between baselin...
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Article
An experimental investigation of the engine operating limit and combustion characteristics of the RI-CNG engine
In this paper, the radical induced (RI) ignition method was applied into a compressed natural gas (CNG) engine to achieve rapid bulk combustion. The experimental RI-CNG engine was modified from a diesel engine...
