Po Ting Lin

Po Ting Lin
National Taiwan University of Science and Technology · Department of Mechanical Engineering

Professor, Ph.D.

About

58
Publications
13,836
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
342
Citations
Introduction
Prof. Lin's research interests focus on design optimization under uncertainty, multidisciplinary design optimization, and design automation.
Additional affiliations
January 2010 - December 2011
Rutgers, The State University of New Jersey
Position
  • PostDoc Position
Education
January 2007 - January 2010
Rutgers, The State University of New Jersey
Field of study
  • Mechanical and Aerospace Engineering
September 2004 - January 2007
Rutgers, The State University of New Jersey
Field of study
  • Mechanical And Aerospace Engineering
September 1999 - May 2003
National Central University
Field of study
  • Mechanical Engineering

Publications

Publications (58)
Article
This paper presents an analytical model to compensate for the compliance errors of a Delta parallel robot as the mini robot, which is mounted at the end effector of an articulated robot to form a macro-mini manipulator for milling operations. This model is derived from a passive compliance design with mechanical springs for the robot considering un...
Chapter
This paper presents a new class of spring four-bar mechanisms, with fifty-six different mechanism types, for gravity compensation. A synthesized mechanism is realized by linkage combination with a planar four-bar linkage and attachment of a linear spring. The main advantages of the proposed spring mechanisms are their simple architectures and high...
Article
This article proposes a method for analyzing the gravity balancing reliability of spring-articulated serial robots with uncertainties. Gravity balancing reliability is defined as the probability that the torque reduction ratio (the ratio of the balanced torque to the unbalanced torque) is less than a specified threshold. The reliability analysis is...
Article
Full-text available
Background Discerning genes crucial to antimicrobial resistance (AMR) mechanisms is becoming more and more important to accurately and swiftly identify AMR pathogenic strains. Pangenome-wide association studies (e.g. Scoary) identified numerous putative AMR genes. However, only a tiny proportion of the putative resistance genes are annotated by AMR...
Conference Paper
This paper presents the gravity balancing reliability and sensitivity analysis of robotic manipulators with uncertainties. The gravity balancing reliability of the robot is defined as the probability that the reduction torque ratio of the robot reduces below a specified threshold. This index is of great importance for assessing and guaranteeing the...
Article
Full-text available
Bluetooth Low Energy (BLE) is one of the RF-based technologies that has been utilizing Received Signal Strength Indicators (RSSI) in indoor position location systems (IPS) for decades. Its recent signal stability and propagation distance improvement inspired us to conduct this project. Beacons and scanners used two Bluetooth specifications, BLE 5.0...
Article
Full-text available
With the rapid developments of Industry 4.0 and Smart Manufacturing, customized manufacturing has been becoming greatly needed. Meanwhile, the challenge of production automation has become more bigger, especially for the automation of moving, picking, placing and manipulating objects. Many researchers have begun to work on Autonomous Ground Vehicle...
Article
Full-text available
With rapid advancement in water filtration materials, several efforts have been made to fabricate electrospun nanofiber membranes (ENMs). ENMs play a crucial role in different areas of water treatment due to their several advantageous properties such as high specific surface area, high interconnected porosity, controllable thickness, mechanical rob...
Article
Full-text available
Membrane distillation (MD) based desalination process is thought to be a promising strategy to address global challenges such as safe water-energy crisis and environmental pollution. Here, we demonstrate a novel...
Article
Full-text available
Recently, Autonomous Ground Vehicles (AGV) and mobile robots have been rapidly developed in various engineering applications, such as Industry 4.0 factory and smart manufacturing. Indoor navigation was one of the most important tasks for the said mobile systems as they were often designed to move from one location to another location autonomously w...
Conference Paper
Pattern recognition has been widely used in various applications of image processing. It is used to extract meaningful image features from the given image samples and to build classification systems with the intelligence of human recognition. Convolutional Neural Network (CNN) [1] has been one of the most popular and widely used methods for image p...
Article
Full-text available
Robots are essential for the rapid development of Industry 4.0. In order to truly achieve autonomous robot control in customizable production lines, robots need to be accurate enough and capable of recognizing the geometry and orientation of an arbitrarily shaped object. This paper presents a method of inline inspection with an industrial robot (II...
Chapter
Recently, soft robotics have been rapidly developed. Different from the traditional robots, soft robots have the advantages of higher flexibility, safer operations, lightweight, low manufacturing cost, simple fabrication, etc. Soft robots have been applied to various applications, such as medical devices, grippers, rehabilitation devices, etc. This...
Conference Paper
During recent years, soft robotic is a new sub-class of the robots. Soft robotic has several engaging features, such as lightweight, low cost, simple fabrication, easy control, etc. Commercial products such as soft grippers are now available to apply in various fields and applications, for example, agriculture, medicine, machinery, etc. This paper...
Chapter
Full-text available
Recently, researches and innovations were greatly developed in the field of soft robotics due to the advantages of higher flexibility and safer operations. Researchers have designed new materials, new manufacturing methodologies and advanced control techniques for soft robots. Some commercial products such as soft grippers are now available in the...
Chapter
Topology Optimization (TO) methods have been well developed for structural and multidisciplinary designs in terms of finding the optimal objective functions subject to constraints of loading conditions and other design requirements. In practical uses, clear black-and-white optimal designs are desired but may not be delivered at the end of the TO pr...
Conference Paper
Airflow stability plays a vital role in optimizing the spray dryer operation; wherein the airflow patterns present inside the drying chamber are considered as the primary factors that influences the histories of the product particle. In this paper, the optimum drying parameters that would produce a higher yield of powdered egg while retaining its q...
Article
Full-text available
Automated design procedure for duct layout has potential for further improving system efficiency. Currently, duct layout is often based on the discretion of the designer and might miss possible areas for energy improvement or meeting system targets like; minimal pressure drop, temperature uniformity and contaminant removal to mention a few. Since t...
Article
Constructal theory, now called constructal law, has influenced and driven a significant amount of research and attention over the past 2 decades due to its significance in understanding designs found in nature. It is worth to remember that the origins of constructal law can be traced back to the design of heat conduction paths, alternatively called...
Article
Tremendous efforts had been given to ensure proper heat dissipation in electronics cooling but very seldom consider design robustness and user preferences in design principles of the heat-dissipating devices. Multi-objective optimization problems are one of the preferences elicitation tools that could be used and is highly visual on the costs and b...
Article
Full-text available
Accelerated development in the field of electronics and integrated circuit technology further pushed the need for better heat dissipating devices with reduced component dimensions. In the design optimization of microchannel heat transfer systems, multiple objectives must be satisfied but correlations limit the satisfaction levels. End users define...
Article
Full-text available
Reliability-Based Design Optimization (RBDO) algorithms, such as Reliability Index Approach (RIA) and Performance Measure Approach (PMA), have been developed to solve engineering optimization problems under design uncertainties. In some existing methods, the random design space is transformed to standard normal design space and the reliability asse...
Conference Paper
In the past few years, researchers have begun to investigate the existence of arbitrary uncertainties in the design optimization problems. Most traditional reliability-based design optimization (RBDO) methods transform the design space to the standard normal space for reliability analysis but may not work well when the random variables are arbitrar...
Conference Paper
Public infrastructures such as bridges are common civil structures for road and railway transport. In Poland, many of the steel truss bridges were constructed in the 1950s or earlier. The aging managements and damage assessments are required to ensure safe operations of these old bridges. The first step of damage assessment is usually done via visu...
Article
PM2.5 travels along the respiratory tract and enters systemic blood circulation. Studies have shown that PM2.5 increases the incidence of various diseases not only in adults but also in newborn infants. It causes chronic inflammation in pregnant women and retards fetal development. In this study, pregnant rats were exposed to PM2.5 for extended per...
Conference Paper
Some traditional methods for image contrast enhancement are based on histogram equalization, which however has the drawbacks of producing visual artifacts or excessive image strengthening due to improper settings of enhancement parameters or non-smooth color adjustments in different color spaces. A novel method of Fuzzy Automatic Contrast Enhanceme...
Article
Reliability-based design optimization (RBDO) algorithms have been developed to solve design optimization problems with existence of uncertainties. Traditionally, the original random design space is transformed to the standard normal design space, where the reliability index can be measured in a standardized unit. In the standard normal design space...
Article
Thermal imaging has shown to be a better tool for the quantitative measurement of temperature than single spot infrared thermometers. However, thermographic cameras can encounter errors in acquiring accurate temperature measurements in the presence of other environmental heat sources. Some of these errors arise due to the inability of the thermal c...
Article
Full-text available
Spray drying is one of the common methods of preserving eggs. A study had shown that addition of 20% tapioca starch to liquid egg prior to drying increases the shelf-life of the powdered product. However, although the said factor has been identified, production in a larger capacity is still a problem. One way to solve this predicament is to identif...
Conference Paper
Reliability-Based Design Optimization (RBDO) algorithms have been developed to solve design optimization problems with existence of uncertainties. Traditionally, the original random design space is transformed to the standard normal design space, where the reliability index can be measured in a standardized unit. In the standard normal design space...
Conference Paper
Automated Optical Inspection (AOI) systems are expected to replace manual inspection especially for flat and flexible electronic component systems, which require high yield and high speed. A high precision AOI system calibrated for 3.5 microns per pixel resolution was previously developed for defect detection of flat glass where imperfections and d...
Article
Full-text available
Safety design and probabilistic optimization are fields that are widely subject to uncertainty, thus making traditional deterministic methods highly unreliable for these two fields. Popular design optimizations methods widely used for safety design and probabilistic optimization are the performance measure approach (PMA) and the performance measure...
Article
This paper presents a robust reliability analysis method for systems of multimodular redundant (MMR) controllers using the method of partitioning and parallel processing of a Markov chain (PPMC). A Markov chain is formulated to represent the N distinct states of the MMR controllers. Such a Markov chain has N2 directed edges, and each edge correspon...
Article
Full-text available
Safety design and probabilistic optimization are fields that are widely subject to uncertainty, thus making traditional deterministic methods highly unreliable for these two fields. Popular design optimizations methods widely used for safety design and probabilistic optimization are the performance measure approach (PMA) and the performance measure...
Article
Real-time monitoring systems have been developed for tooling machine for the purpose of investigating the timedependent cutting conditions, to detect instantaneous events, and to estimate life of cutting tools and the machine itself. An Energy-based Reliability Model (ERM) has been developed for real-time monitoring of cutting conditions. A standar...
Conference Paper
Divide-and-conquer strategies have been utilized to perform evaluation calculations of complex network systems, such as reliability analysis of a Markov chain. This paper focuses on partitioning of Markov chain for a multi-modular redundant system and the fast calculation using parallel processing. The complexity of Markov chain is first reduced by...
Article
Full-text available
In the latest microelectronics industry, the emerging three-dimensional (3D) chip stacking technique using through silicon via (TSV) enables higher integration density that allows greater numbers of interconnections in order to fulfill the urgent requirements of dimensional downscaling and electrical speed enhancement. A high-density pitch of micro...
Conference Paper
The Light-Eye Technology (LeyeT) has been developed to provide a generalized light source for various biomedical applications. The LeyeT system is designed for the purposes of uniform light, light with specific wavelength, controllable size of light, etc. Multiple high-directionality single-Watt light-emitting diodes (LED) are packed together and i...
Article
Full-text available
The network of delivering commodities has been an important design problem in our daily lives and many transportation applications. The reliability of delivering commodities from a source node to a sink node in the network is maximised to find the optimal routing. However, the design problem is not simple due to randomly distributed attributes in e...
Article
Full-text available
In this paper, two different configurations of multiple microchannel heat sinks, with fluid flow, are investigated for heat removal: straight and U-shaped channel designs. Numerical models are utilized to study the multiphysics behavior in the microchannels and these are validated by comparisons with experimental results. The main focus of this wor...
Conference Paper
In the past few years, the Computer-Aided Technologies, also known as Computer-Aided X (CAX) have been evolving to the Cloud. Cloud computing provides remote services with data storage, software, platform and infrastructure. The next-generation computing applications rely on the collaborations using the technologies of Cloud-Aided Technologies, or...
Article
Full-text available
Recently, solving the complex design optimization problems with design uncertainties has become an important but very challenging task in the communities of reliability-based design optimization (RBDO) and multidisciplinary design optimization (MDO). The MDO algorithms decompose the complex design problem into the hierarchical or nonhierarchical op...
Article
Full-text available
Multidisciplinary design optimization (MDO) has become essential for solving the complex engineering design problems. The most common approach is to “divide and conquer” the MDO problem, that is, to decompose the complex problem into several sub-problems and to collect the local solutions to give a new design point for the original problem. In 1990...
Conference Paper
Full-text available
Multiple microchannel heat transfer systems have been developed for the urge of rapid and effective cooling of the electronic devices, which have become smaller and more powerful but also produced more heat. Two different types of single-phase liquid cooling, including the straight and U-shaped microchannel heat sinks, have been utilized to reduce...
Article
Full-text available
This paper focuses on the design optimization of the applications of electrothermal polysilicon microactuators with the considerations of uncertainties from mathematical models and random variables. The deflections and actuation forces in the micro-cantilevers are modeled based on experiment results; furthermore, the non-negligible errors due to ex...
Article
Full-text available
Reliability-based design optimization (RBDO) problems have been intensively studied for many decades. Since Hasofer and Lind [1974, "Exact and Invariant Second-Moment Code Format," J. Engrg. Mech. Div., 100(EM1), pp. 111–121] defined a measure of the second-moment reliability index, many RBDO methods uti-lizing the concept of reliability index have...
Conference Paper
Analytical Target Cascading method has been widely developed to solve hierarchical design optimization problems. In the Analytical Target Cascading method, a weighted-sum formulation has been commonly used to coordinate the inconsistency between design points and assigned targets in each level while minimizing the cost function. However, the choice...
Conference Paper
Full-text available
In this paper, two different configurations of multiple microchannel heat sinks with fluid flow are investigated for electronic cooling: straight and U-shaped channel designs. Numerical models are utilized to study the multiphysics behavior in the microchannels and validated by comparisons with experimental results. Three responses, including therm...
Article
Full-text available
Thermal systems play significant roles in the engineering practice and our lives. To improve those thermal systems, it is necessary to model and optimize the design and the operating conditions. More importantly, the design uncertainties should be considered because the failures of the thermal systems may be very dangerous and produce large loss. T...
Conference Paper
Full-text available
Reliability-based Design Optimization problems have been solved by two well-known methods: Reliability Index Approach (RIA) and Performance Measure Approach (PMA). RIA generates first-order approximate probabilistic constraints using the measures of reliability indices. For infeasible design points, the traditional RIA method suffers from inaccurat...
Article
Full-text available
In this paper the process of Chemical Vapor Deposition (CVD) in a vertical impinging reactor is simulated and optimized using the reliability based Performance Measure Approach (PMA) for the deposition of a thin film of silicon from silane. The key focus is on the rate of deposition and on the quality of the thin film produced. Proper control of th...
Article
Full-text available
This paper focuses on the parametric modeling and optimization of the chemical vapor deposition (CVD) process for the deposition of thin films of silicon from silane in a vertical impinging CVD reactor. The parametric modeling using radial basis function for various functions, which is related to the deposition rate and uniformity of the thin films...
Conference Paper
Full-text available
A methodology characterizing the strength of PDMS bonding has been proposed. This method employs a blister test to measure and a line force model to describe the bonding strength. The blister test provides us a close approximation to the bonding failure modes under field-used situations. The line force model is a general means to study the bonding...
Article
Full-text available
A method based on a blister test has been employed to study the strength of PDMS bonding. The blister consists of a PDMS membrane bonded to a PDMS substrate while a circular region in the center remains un-bonded as a blister. When the blister is pressurized, a force normal to the substrate pulls the membrane from the substrate and causes the delam...
Conference Paper
Full-text available
A counterintuitive material of a negative Poisson's ratio (NPR) is presented. Its material structure design is realized by the result from topology optimization and a compliant mechanism. The NPR structural material has the composite configuration of resin and elastomer. Taking advantage of the stiffness from the resin and the compliance from the e...

Questions

Question (1)
Question
As a design engineer, the boundary, contour, or range of the random distribution is often used for design optimization with uncertainties.

Network

Cited By

Projects

Projects (2)
Project
Funded by Ministry of Science and Technology, Taiwan. This project aims to design and build soft robots that are reconfigurable and capable of performing multi-mode actuations. Topology optimization and mechanism design will be used to synthesize new soft robot designs. Structural analysis will be used to learn how each design performs.
Project
Funded by Department of Education, Taiwan. This project aims to teach undergraduate students how to design and build UAVs, UGVs or other robots for surveillance purpose.