[134] Gyu-Byung Park, Se Jung Lee, Dong-Hoon Choi, An efficient constraint handling method using a polynomial regression model, 11th World Congress on Structural and Multidisciplinary Optimization, 2015.06.07~2015.06.12, Sydney, Australia

 

[133] Inyong Cho, Youngbin Lee, Dong-Hoon Choi, Comparison study of CVT and OLHD using various performance measures for computer experiments, CJK-OSM8, 2014.05.25~2014.05.29, Gyungju, Korea

 

[132] Seok-Ho Son, Dong-Hoon Choi, A Scaled and Shifted Multi-fidelity Meta-model, CJK-OSM8, 2014.05.25~2014.05.29, Gyungju, Korea

 

[131] Yong-Su Joe, Chang-Hyun Park, Jin-Ho Seo, Dong-Hoon Choi, Design Optimization of a Melt Delivery System for Enhancing Injection Molding Quality, CJK-OSM8, 2014.05.25~2014.05.29, Gyungju, Korea

 

[130] Dohyun Park, Chang Won Kim, Heui Won Yang, Dae Seung Kim, Dong-Hoon Choi, Meta-model Based Multi-Material Arrangement Optimization for Reducing Weight of an Automotive BIW, CJK-OSM8, 2014.05.25~2014.05.29, Gyungju, Korea

 

[129] Gyu-Byung Park, Se Jung Lee, Dong-Hoon Choi, A CMA-ES constraint-handling technique using a Support Vector Machine, CJK-OSM8, 2014.05.25~2014.05.29, Gyungju, Korea

 

[128] Dong-Hum Ryu, Youngbin Lee, Dong-Hoon Choi, The Efficient Sequential Approximate Optimization Using a Screening Method, CJK-OSM8, 2014.05.25~2014.05.29, Gyungju, Korea

 

[127] Seung-Wook Kim, Ki-Bong Kang, Dong-Hoon Choi, Optimization of an Angular Contact Ball Bearing Based on Quasi-static Analysis, CJK-OSM8, 2014.05.25~2014.05.29, Gyungju, Korea

 

[126] C. J. Lee , G. H. Jang, K. B. Kang, D. H. Choi, Robust Optimal Design of the Magnetizer for a HDD Spindle Motor to Reduce the Harmonic components of the Cogging Torque, ASME Information Storage and Processing Systems Conference, 2013.6.24~25, USA

 

[125] Gabseong Lee, Kibong Kang, Dong-Hoon Choi, Reliability-Based Design Optimization Using Kriging Metamodels in Moving Local Windows, 5th Asian Pacific Congress on Computational Mechanics, 2013.12.11~2013.12.14, Singapore

 

[124] Gabseong Lee, Kibong Kang, Dong-Hoon Choi, Reliability-Based Design Optimization Using Adaptive Design Regions, 10th World Congress on Structural and Multidisciplinary Optimization(WCSMO2013), 2013.05.19~2013.05.24, Orlando, USA

 

[123] Seung Hyun Jeong, Dong-Hoon Choi, Gil Ho Yoon, Topology Optimization Method for Dynamic Fatigue Constraints Problem, 10th World Congress on Structural and Multidisciplinary Optimization(WCSMO2013), 2013.05.19~2013.05.24, Orlando, USA

 

[122] Seok-Ho Son, Do-Hyun Park, Kyeong-Jun Cha, Dong-Hoon Choi, Constrained Global Design Optimization Using a Multi-fidelity Model, 10th World Congress on Structural and Multidisciplinary Optimization(WCSMO2013), 2013.05.19~2013.05.24, Orlando, USA

 

[121] Changjin LEE, Gunhee JANG, Kyungjin KANG, Kibong KANG, Donghoon CHOI, Design Optimization of the Magnetizer for a HDD Spindle Motor to Reduce the Cogging Torque, 15th Asia Pacific Vibration Conference, 2013.06.02~2013.06.06, Korea

 

[120] Gabseong Lee, Byung-Lyul Choi, Dong-Hoon Choi, Multidisciplinary Design Optimization of Automotive Components Using PIDO Technology, RIKEN-HYU Joing Conference 2012, 2012.12.05, RIKEN, Wako Saitama, Japan

 

[119] Dohyun Park, Chang Won Kim, Heui Won Yang, Dae Seung Kim, Dong-Hoon Choi, Metamodel-based Material Arrangement Optimization of an Automotive BIW for Weight Reduction, RIKEN-HYU Joing Conference 2012, 2012.12.05, RIKEN, Wako Saitama, Japan

 

[118] Seung-Hyun Jeong, Dong-Hoon Choi, and Gil Ho Yoon, Development of topology optimization method considering dynamic failure criteria, CODE2012 conference, 2012.11.13~2012.11.16, Jeju phoenix island, Korea

 

[117] Kibong Kang, Jihun Lee, Dong-Hoon Choi, Gunhee Jang, Robust design of a motor fluid bearing system, CODE2012 conference, 2012.11.13~2012.11.16, Jeju phoenix island, Korea

 

[116] Seonho Park, Seung Hyun Jeong, Gil Ho Yoon, Albert A. Groenwold, Dong-Hoon Choi, A Filtered Sequential Approximate Optimization Algorithm Based on Dual Subproblems Using an Enhanced Two-point Diagonal Quadratic Approximation for Structural Optimization, 12th ATIO and 14th AIAA/ISSMO, 2012.9.17~2012.9.19, Indianapolis, Indiana, USA

 

[115] Seung-Hyun Jeong, Dong-Hoon Choi, and Gil Ho Yoon, A new stress based topology optimization method to prevent static and dynamic failures of ductile or brittle material, 10th World Congress on Computational Mechanics, 2012. 07. 08 ~ 07. 13, Sau Paulo, Brazil

 

[114] Kibong Kang, Seokmoo Hong, Suyuel Ryu, Byung-Lyul Choi, Dong-Hoon Choi, Bead Optimization for Reducing Springback of an LCD Bottom Chassis, The 7th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2012.06.18 ~ 06.21, Huangshan, China

 

[113] Seok-Ho Son, Kyeong-Jun Cha, Dong-Hoon Choi, Performance Comparison of Existing Multi-fidelity Models, The 7th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2012.06.18 ~ 06.21, Huangshan, China

 

[112] Dohyun Park and Dong-Hoon Choi, Bounday-Approaching Sequential Sampling Method for Multiple Constraints, The 7th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2012.06.18 ~ 06.21, Huangshan, China

 

[111] Gabseong Lee, Dohyun Park, Dong-Hoon Choi, Dae Seung Kim, Thickness Optimization of Vehicle BIW Considering Structural Stiffness, The 7th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2012.06.18 ~ 06.21, Huangshan, China

 

[110] Seung-Hyun Jeong, Seon Ho Park, Dong-Hoon Choi, and Gil Ho Yoon, Development of external module for stress-based topology optimization using commercial CAE software package, The 7th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2012. 06. 18 ~ 06. 21, Huangshan, China

 

[109] Seung-Hyun Jeong, Akihiro Takezawa, Dong-Hoon Choi, and Gil Ho Yoon, Development of stress topology optimization procedure by the phase-field method, The 7th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2012. 06. 18 ~ 06. 21, Huangshan, China

 

[108] Dong-Hoon Choi, Validation of a Mathematical Model for an Automotive Cooling Module System Considering both Vibration Isolation Capability and Fatigue Lives of Isolators, 2012Verificatin and Validation in Computational Modeling, 2012.05.01~2012.05.04, Planet Hollywood Resort,Las Vegas,USA

 

[107] Gabseong Lee, Yasuhiro Nishimura, Geunho Lee, Nak Young Chong and Dong-Hoon Choi, Design Automation of One-Time-Use Leaping Mechanism for Sensor Node Relocation, 7th Annual IEEE Conference on Automation Science and Engineering, 2011. 08. 24 ~ 08. 27, Trieste, Italy

 

[106] Seonho Park and Dong-Hoon Choi, A New Convex Separable Approximation Based on Two-point Diagonal Quadratic Approximation for Large-Scale Structural Design Optimization, 9th World Congress on Structural and Multidisciplinary Optimization, 2011. 06. 13 ~ 06. 17, Shizuoka, Japan

 

[105] Jung-Min Park, Gabseong Lee, Byung-Lyul Choi, Dong-Hoon Choi, Chan-Hyuk Nam and Gi-Hoon Kim, Multidisciplinary Design Optimization for Subframe component of Vehicle Front Suspension, 9th World Congress on Structural and Multidisciplinary Optimization, 2011. 06. 13 ~ 06. 17, Shizuoka, Japan

 

[104] Chang-Hyun Park, Jun-Hee Lee and Dong-Hoon Choi, Metamodel-based Design Optimization for Minimizing the Stress of a Printer Cleaning Blade, 9th World Congress on Structural and Multidisciplinary Optimization, 2011. 06. 13 ~ 06. 17, Shizuoka, Japan

 

[103] Wei-Fei Hu, Dong-Hoon Choi, Optimal Design of a Horiztonal Axis Wind Turbine Blade Based on Extreme Operating Analysis and Fatigue life Prediction, International Symposium on Law Carbon &Renewable Energy Technology 2010 (ISLCT2010), 2010. 11. 15 ~ 2010. 11. 18, Jeju Island, Korea

 

[102] Gabseong Lee, Yasuhiro Nishimura, Geunho Lee and Nak Young Chong, Dong-hoon Choi, Process Integration and Design Optimization of One-Time-Use Sensor Node Leaping Mechanism, The 28th Annual Conference of the Robotics Society of Japan, 2010. 9. 22 ~ 2010. 9. 24, Japan, Nagoya

 

[101] Sangjin Jung, Dong-Hoon Choi, and Gyunghyun Choi, A Sequential Quadratic Programming with an Approximate Hessian Matrix Update Using an Enhanced Two-point Diagonal Quadratic Approximation, 13th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 2010. 9. 13 ~ 2010. 9. 15, Fort Worth, Texas, U.S.A.

 

[100] Jae Hyuk Choi, Soon Ho Choi, Byung Ohk Rhee, Chang-Hyun Park, Hee Jae Ahn, Dong-Hoon Choi, Optimization of Cooling Channels Separately Installed in the Stationary and Moving Plates in Injection Mold, The 6th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2010. 6. 22 ~ 2010. 6. 25, Kobe, Japan

 

[99] Caorun Lu, Gyu-Byung Park, Dong-Hoon Choi, Minjoong Jung, DOE-Based Evolutionary Algorithm Parameter Tuning, The 6th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2010. 6. 22 ~ 2010. 6. 25, Kobe, Japan

 

[98] Gabseong Lee, Byun-Lyul Choi, Dong-Hoon Choi, Chan-Hyuk Nam, Jae-Yong Park and Ki-Hoon Kim, Design Optimization of Coupled Torison Beam Axle Suspension Considering Kinematic and Compliance Performances and its Variations, The 6th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2010. 6. 22 ~ 2010. 6. 25, Kobe, Japan

 

[97] Seung-Hyun Jeong, Hyun-Su Jenong, Yongbin Lee and Dong-Hoon Choi, Optimal Design of a Heat Sink for Mobile Telecommunication, The 6th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2010. 6. 22 ~ 2010. 6. 25, Kobe, Japan

 

[96] Wei-Fei Hu, Dong-Hoon Choi, Optimization of HAWT Composite Blade Based on Intergrated Structural Analysis, The 6th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2010. 6. 22 ~ 2010. 6. 25, Kobe, Japan

 

[95] Chang-Hyun Park, Hee-Jae Ahn, Dong-Hoon Choi, Byung-Gi Pyo, Multi-objective Optimization of an Automotive Injection Molding Part for Simultaneously Minimizing Injection Pressure, Warping, and Weld line, The 6th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2010. 6. 22 ~ 2010. 6. 25, Kobe, Japan

[94] Lee, Unkoo, Hong, Kyung-Jin, Song, Chungseoh, Choi, Byung-Lyul, Kim, Jong-Hyuk, Choi, Dong-Hoon, Chassis Design Process Automation Using PIDO Technology, FISITA 2010, 2010. 5. 30 ~ 2010. 6. 4, Budapast, Hungary

 

[93] Byung-Ohk Rhee and Jae Hyuck Choi, Chang-Hyun Park, Do Hyun Park and Dong-Hoon Choi, Automated Optimization of Injection Mold Cooling Circuit with Optimization Tool PIAnO, ANTEC 2010, 2010. 5.16 ~ 2010.5.20, ORLANDO, FLORIDA, USA

 

[92] Chang-Hyun Park, Hee-Jin Shim, Dong-Hoon Choi, Jung-Kyu Kim and Sang-Min Lee, Shape Optimization of Automotive Rubber Isolators, KSME-JSME Joint Symposimum 2010 on Computational Mechanics and Computer-Aided Engineering, 2010.3.4 ~ 3.5, Seoul, Korea

 

[91] C.H.PARK, B.L.CHOI, S.J.YOON and D.H.CHOI, Design Optimization of High-Rise Truss Structures for Minimizing Volume, International Conference on Computational Design in Engineering, 2009. 11. 3 ~ 2009. 11. 6, Seoul, Korea

 

[90] J.S.PARK, G.S.LEE, and D.H.CHOI, Shape Optimization of a Mobile Phone Upper Module Considering Structural Strength, International Conference on Computational Design in Engineering, 2009. 11. 3 ~ 2009. 11. 6, Seoul, Korea

 

[89] Dohyun Park, Yongbin Lee, Dong-Hoon Choi, Ensemble of Meta-Models Based on Local Error Measure Using Cross-Validation, 2009 International Design Engineering Technical Conferences & Design Automation Conference  (IDETC/DAC2009), 2009. 8. 30 ~ 2009. 9. 2, San Diego, California, USA

 

[88] Sunmin Yook, Gabseong Lee, Sang-Joon Yoon, Jae-Yong Park, Dong-Hoon Choi, Reliability-Based Design Optimization Using Enhanced Dimension Reduction Mehtod With Variable Sampling Points, 2009 International Design Engineering Technical Conferences & Design Automation Conference  (IDETC/DAC2009), 2009. 8. 30 ~ 2009. 9. 2, San Diego, California, USA

 

[87] Min-Joon Jeong, Seung-Hyun Jeong, Dong-Hoon Choi, Design Feasibility Analysis Using Support Vector Machine and Its Engineering Application, ICMDT 2009, 2009. 6. 25 ~ 2009. 6. 26, RAMADA Plaza, Jeju Island, Korea

 

[86] Gabseong Lee, Jae Ho Jeong, Sang-Joon Yoon, Dong-Hoon Choi, Discrete Design Approach for Light Guide Panel in Back Light Unit to Improve the Optical Performances of Liquid Crystal Display, WCSMO-8, 2009. 6. 1 ~ 2009. 6. 5, Lisbon, Portugal

 

[85] Min-Joon Jeong, Seung-Hyun Jeong, Dong-Hoon Choi, A Feasibility Classification of Data in Design Optimization Using Support Vector Machines, WCSMO-8, 2009. 6. 1 ~ 2009. 6. 5, Lisbon, Portugal

 

[84] Xi-Chen, Dong-Hoon Choi, Gyung-Hyun Choi, An Enhanced Branch and Bound Method for Discrete Optimization, WCSMO-8, 2009. 6. 1 ~ 2009. 6. 5, Lisbon, Portugal

 

[83] Sang-Joon YOON, Seok-Ho SON, Jihoon KANG, Hyunki KIM, Jingyoo YOO and Dong-Hoon CHOI, Optimal Design of Slider Air-Bearing for Discrete Track Recording Technology, Asia-Pacific Data Storage Conference(APDSC), 2008. 12. 15 - 2008. 12. 17, Jeju, Korea

 

[82] Kyuseon Choi, Gabseong Lee, Sang-Joon Yoon, Tae Hee Lee, and Dong-Hoon Choi, Byung-Lyul Choi and Jin-Ho Choi, A Sampling-based Reliability-Based Design Optimization Using Kring Metamodel with Constraint Boundary Sampling, 12th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 2008. 9. 10 ~ 2008. 9. 12, Victoria, British Columbia Canada

 

[81] Byeong-Soo Kim, Yong-Bin Lee, Dong-Hoon Choi, Comparison Study on the Accuracy of MLS, Kriging, SVR and RBF, 5th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2008. 6. 16 ~ 2008. 6. 19, Jeju, Korea

 

[80] Sangjin Jung, Sang-Joon Yoon, Dong-Hoon Choi, A Decomposition Method to Exploit Parallel Computiing for MDO, 5th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2008. 6. 16 ~ 2008. 6. 19, Jeju, Korea

 

[79] Jae Ho Jeong, Gabseong Lee, Sang-Joon Yoon, and Dong-Hoon Choi, Design Optimization for Optical Pattern to Improve Illuminance and Uniformity of Light Guide Panel in LCD Back Light Unit, 5th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2008. 6. 16 ~ 2008. 6. 19, Jeju, Korea

 

[78] Jun-Hong Min, Rock-Hee Kim, Gyu-Byung Park, Dong-Hoon Choi, Jin-Yong Mo, Design Optimization of an Air Conditioner Piping System to Reduce the Cost of Pipes, 5th China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 2008. 6. 16 ~ 2008. 6. 19, Jeju, Korea

 

[77] Byung-Lyul Choi, Dong-Hoon Choi, Hyunsup Kim, Hyeongcheol Lee, An Intergrated Chassis Design Procedure by using PIDO Technology, SAE 2008 World Congress, 2008. 4. 14 ~ 2008. 4. 17, Detroit, Michigan, USA

 

[76] Byung-Lyul Choi, Dong-Hoon Choi, Junhong Min, Kwangki Jeon, Jungwon Park, Sungiin Choi, Jung-Min Ko, Shape Optimization of a Torsion Beam Axle System with a Multidisciplinary Approach, The 7th International Conference on Optimization Techniques and Application (ICOTA7), 2007.12.12 ~ 2007.12.15, Kobe International Conference Center, Japan

 

[75] Dong-Hoon Choi, HyunSeop Lee, Sang-Joon Yoon, ByungHo Ann, SangJin Jung, Dimitri N. Maviris, Multidisciplinary Design Optimization of Coupled Rotorcraft Systems using P.I.A.n.O, AHS Conference, 2007.10.15 ~ 2007.10.17, Seoul, Korea

 

[74] JaeSuk Cho, Min-Sik Chu, Yong Ho Song and Dong-Hoon Choi, A Heuristic Scheduling Algorithm for Parallelism of Massive Iterative Jobs Using Heterogeneous Multiple Processor Systems for High Resource Utilization, WORLDCOMP'07, 2007. 6. 25 ~ 2007. 6. 28, Las Vegas, Nevada, USA

 

[73] JaeSuk Cho, Min-Sik Chu, Yong Ho Song and Dong-Hoon Choi, Weight-based Multi-Queue Load Balancing Algorithm for Parallel Computing of Multidisciplinary Design Optimization Using Heterogeneous Multiple Processor System, 7th World Congress on Structural and Multidisciplinary Optimization (WCSMO-7), 2007. 5. 21 ~ 2007. 5. 25, COEX, Seoul, Korea

 

[72] Sangjin Jung, Yongbin Lee, Gyu-Byung Park and Dong-Hoon Choi, A Decomposition Method to Exploit Parallel Computing with the Optimal Number of Subsystems for Multidisciplinary Design Optimization, 7th World Congress on Structural and Multidisciplinary Optimization (WCSMO-7), 2007. 5. 21 ~ 2007. 5. 25, COEX, Seoul, Korea

 

[71] HyunSeop Lee, Sang-Joon Yoon, SangJin Jung, ByungHo Ahn, Dimitri N. Mavris, Dong-Hoon Choi, Sequential Approximate Individual Discipline Feasible Method Using Enhanced Two-point Diagonal Quadratic Approximation, 7th World Congress on Structural and Multidisciplinary Optimization (WCSMO-7), 2007. 5. 21 ~ 2007. 5. 25, COEX, Seoul, Korea

 

[70] Sang-Joon Yoon, Seok-Ho Soon, Dong-hoon Choi, Head Slider Designs Considering Dynamic L/UL Systems for 1-inch Disk Drives, TRMC 2007 on 18th Annual Magnetic Recording Conference, 2007. 5. 20 ~ 2007. 5. 24, Minneapolism MN USA

 

[69] Seok-Ho Son, Sang-Joon Yoon and Dong-Hoon Choi, Slider Design Optimization for Enhanced Dynamic Load/Unload Performances, ISAMMA (International Symposium on Advanced Magnetic Materials and Applications), 2007. 5. 28 ~ 2007. 6. 1, Jeju, Korea

 

[68] S.-J. Yoon, S.-H. Son and D.-H. Choi, Effective Optimum Design of Negative Pressure Slider for Load/Unload Applications, STLE/ASME International Joint Tribology Conference (IJTC 2006-12050), 2006. 10. 22 ~ 2006. 10. 25, San Antonio, TX, USA

 

[67] HyunWeop Lee, Henry Won, Sang-Joon Yoon, Byung-Ho Ahn, Dimitri N. Mavris and Dong-Hoon Choi, Optimization and Design Space Exploration of the Compound Helicopter Considering Future Technologies, APCATS06, 2006. 10. 30 ~ 2006. 11. 3, China

 

[66] Yongbin Lee, Sangyup Oh, Changhyn Park, and Dong-Hoon Choi, Sequential Approximate Optimization using Support Vector Regression, The Fourth China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems (CJK-OSM4), 2006. 11. 6 ~ 2006. 11. 9, China

 

[65] Lee, Yongbin and Jung, Sunghun, Dong-Hoon Choi, Progressive Quadratic Response Surface Modeling Using Inherited Latin-Hypercube Design, 11th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 2006. 9. 6 ~ 2006. 9. 8, US

 

[64] Byung-Lyul Choi, Dong-Hoon Choi, The Optimization Under Uncertainty for the Automotive Suspension System, 7th World Congress on Computatuional Mechanics, 2006. 7. 16 ~ 2006. 7. 22, Los Angeles, California, USA

 

[63] Kyoung-Su Park, Jiwon Kim, Sang-Joon Yoon, Dong-Hoon Choi, Young-Pil Park, Jongsoo Lee, and No-Cheol Park, Design and Optimization of Suspension with Optical Flying Head Using Integrated Optimization Frame, 2006 ASME/JSME Joint Conference on Micromechatronics for Information and Precision Equipment  (MIPE 2006), 2006. 6. 21 ~ 2006. 6. 23, Santa Clara, California, USA

 

[62] Kyoungcheol Oh, Jeongmin Kim, Dongho Kim, Donghoon Choi and Hyunsoo Kim, Optimal Power Distribution Control for Parallel Hybird Electric Vehicles, 13th International Pacific Conference on Automotive Engineering, 2005. 8. 22.  ~ 2005. 8. 23, KyoungJu, Korea

 

[61] Kyoungcheol Oh, Jeongmin Kim, Dongho Kim, Donghoon Choi and Hyunsoo Kim, Optimization of Hybird Control Strategy for Parallel Hybird Eledtirc Vehicles-Single Shaft and Double Shaft HEV, 13th International Pacific Conference on Automotive Engineering, 2005. 8. 22.  ~ 2005. 8. 23, KyoungJu, Korea

 

[60] Byung-Lyul Choi, Dong Hoon Choi, The Automotive Suspension Design and Analysis Considering Uncertainties, 13th International Pacific Conference on Automotive Engineering, 2005. 8. 22.  ~ 2005. 8. 23, KyoungJu, Korea

 

[59] R.H.Chang, Hosung Kong, Eui-Sung Yoon, Dong-Hoon Choi, CLASSIFICATION OF WEAR PARTICLES BASED ON QUALITATIVE MORPHOLOGICAL FEATURES, 2005 World Tribology Congress III (Proceeding of WTC2005), 2005. 9. 23. ~ 2005. 9. 26, Washington Hilton,Washing,D.C.,

 

[58] D-H. Choi, H.H Yoo, T.H.Lee, S.H.Hyun, H.S.Lee, S.M.Jeon, D.W.Kim, Multidisciplinary Design Optimization of Suspension System for Virbration Reduction of Drum type washer, Fifth EUROMECH Nonlinear Dynamic Conference, 2005. 8. 7 ~ 2005. 8. 12, Netherland

 

[57] Sungwook Chung, Seungjae Min, Tae Hee Lee, Dong Hoon Choi, Jongsoo Lee, Vitali Volovoi, Dimitri Mavris, Metamodeling of High Dimensional Models Using Sequential Adaptive Radial Basis Function, 6th World Congress on Structural and Multidisciplinary Optimization, 2005. 5. 30 ~ 2005. 6. 3, Rio de Janeiro

 

[56] Jun-Hong Min, Jin-Ho Choi, Dong-Hoon Choi, Reliability Analysis Technique Using Local Approximation of a Cumulative Distributioin Function, 6th World Congress on Structural and Multidisciplinary Optimization(WCSMO6), 2005. 5. 30 ~ 2005. 6. 3, Rio de Janeiro

 

[55] S.-J. Yoon, J. Lee, Y.-P. Park and D.-H. Choi, DESIGN OF OPTICAL FLYING HEAD FOR MAGENTO OPTICAL RECORDING, The 2005 IEEE International Magnetics Conference, 2005. 4. 4 ~ 2005. 4. 8, Nagoya Congress Center Nagoya, Japan

 

[54] Kyoungcheol Oh, Junhong Min, Donghun Choi, Hyunsoo Kim, Optimization of Control Strategy for a Parallel Hybird Electric Vehicle, EVS21, 2005.4.2~6, MONACO

 

[53] Kyoungwoo Park, Dong-Hoon Choi, Kwan-Soo Lee, SHAPE OPTIMIZATION OF A PLATE-FIN TYPE HEAT SINK FOR HIGH PERFORMANCE, 2004 ASME International Mechanical Engineering Congress, 2004. 11. 13 ~ 2004. 11. 19, Anaheim, CA

 

[52] Soo-kyung Kim, Sang-Don Jung, Myung Ae Chung, Sang-Joon Yoon, Dong-Hoon Choi, Seung-Yop Lee, A Study on the Flying Stability of Optical Flying Head on the Plastic Disk, 2004 APDSC(Asia-Pacific Data Storage Conference), 2004. 9. 27 ~ 2004. 9. 30, Taiwan

 

[51] Sang-Joon Yoon, Dong-Hoon Choi, PROBABILISTIC DESIGNS OF AIR-BEARING SURFACE ON MANUFACTURING TOLERANCES, 2004 ASME/STLE International Joint Tribology Conference, 2004. 10. 24 ~ 2004. 10. 27, Long Beach, Califonia USA

 

[50] Kwang-Ki Lee, Kwang-Soon Lee, Dong-Hoon Choi, Robust Optimization of a Plunger for The Cooling Process of a Panel in CRT, 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 2004. 8. 30 ~ 2004. 9. 1, USA, New York

 

[49] Yong-bin Lee, Kyung-Jin Hong, Dong-Hoon Choi, An efficient Robust Optimal Design Method for Engineering Systems with Numerical Noise, 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 2004. 8. 30 ~ 2004. 9. 1, USA, New York

 

[48] Byung-Lyul Choi, Jin-Ho Choi, Dong-Hoon Choi, Reliability-Based Design Optimization Using Enhanced Initial Design and Two-Point Approximation Technique, 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference, 2004. 8. 30 ~ 2004. 9. 1, USA, New York

 

[47] Sookyung Kim, Sang-Don Jung, Myung Ae Chung, Sang-Joon Yoon, Dong-Hoon Choi, Seung-Yop Lee, Design of optical flying head for small form factor optical drive, ISPS 2004, 2004. 6. 14 ~ 2004. 6. 16, CA, Santa Clara

 

[46] Sookyung Kim, Sang-Don Jung, Myung Ae Chung, Sang-Joon Yoon, Dong-Hoon Choi, SMALL OPTICAL FLYING HEAD TECHNOLOGIES INTERFACED WITH PLASTIC DISKS, MORIS 2004 (Magneto-Optical Recording International Symposium), 2004. 5. 16 ~ 2004. 5. 19, Japan, Yokohama

 

[45] Sang-Joon Yoon, Dong-Hoon Choi, Topology Optimizations of Head-Disk Interfaces using BIGDOT, OPTECH04 (Optimization Technology Meeting 2004), 2004. 5. 10 ~ 2004. 5. 12, USA, Colorado

 

[44] Sang-Joon Yoon, Dong-Hoon Choi, Topology Designs of Slider Air Bearings, STLE/ASME International Joint Tribology Conference, 2003. 10. 26 ~ 2003. 10. 29, Florida, USA

 

[43] Kyoungwoo Park, Dong-Hoon Choi, and Kwan-Soo Lee, DESIGN OPTIMIZATION OF PLATE HEAT EXCHANGER WITH STAGGERED PINS, The 14th International Symposium on Transport Phenomena, 2003. 7. 6 ~ 2003. 7. 9, Bali, Indonesia

 

[42] Sang-Joon Yoon, Seok-Hun Kim, and Dong-Hoon Choi, AIR-BEARING DESIGN BASED ON GLOBAL APPROXIMATION CONCEPTS, International Magnetics Conference, 2003. 3. 30 ~ 2003. 4. 3, Boston, USA

 

[41] Hyung-Wook Park, Dong-Hoon Choi, An Adaptive Decomposition and Scheduling of Multidisciplinary Design Problems, WCSMO5, 2003. 5. 19 ~ 2003. 5. 23, Venice, Italy

 

[40] Dong-Hoon Choi, Min-Soo Kim, Kyung-Jin Hong, Sequential Approximate Optimization Using Progressive Quadratic Response Surface Modeling for Noisy Constraints, EUROMECH 442 (Colloquium on Computer-Aided Optimization of Mechanical Systems), 2003. 2. 23 ~ 2003. 2. 27, Germany

 

[39] Sang-Joon Yoon, Dong-Hoon Choi, Adjoint Design Sensitivity Analysis of Molecular Gas Film Lubrication Sliders, ASME/STLE international joint Tribology Conference, 2002. 10. 27 ~ 2002. 11. 2, Mexico

 

[38] Sang-Joon Yoon, Suk-Hoon Kim, Dong-Hoon Choi, SLIDER DESIGNS USING APPROXIMATION METHODS, CJK-OSM2, 2002. 11. 4 ~2002. 11. 8, Busan, Korea

 

[37] Hyung Wook Park, Min Soo Kim, Dong Hoon Choi, Dimitri N.Mavris, OPTIMIZING THE PARALLEL PROCESS FLOW FOR THE INDIVIDUAL DISCIPLINE FEASIBLE METHOD, AIAA/ISSMO, 2002. 9. 4 ~ 2002. 9. 6, USA

 

[36] Sang-Joon Yoon, Dong-In Kim, Tae-Gun Jeong, Dong-Hoon Choi, Optimizations of Air-Lubricated Slider Bearings by Using Reduced Basis Concept, International Magnetic Conference (Intermag Europe 2002), 2002. 4. 28 ~ 2002. 5. 3, Netherland

 

[35] Sang-Joon Yoon, Min-Soo Kim, Dong-Hoon Choi, Design Sensitivity Analysis of Air-Lubricated Slider Berings, International Magnetic Conference (Intermag Europe 2002), 2002. 4. 28 ~ 2002. 5. 3, Netherland

 

[34] N.S.Lee, D.H.Choi, Y.B.Lee, T.H.Kim, C.H.Kim, The Influence of the Slip Flow on Steady-State Load Capacity, Stiffiness and Damping Coefficients of Elastically Supported Gas Foil Bearings, STLE/ASME Fall Joint Conference, 2002. 10. 27 ~ 2002. 10. 30, Mexico

 

[33] Min-Soo Kim, Kyung-Jin Hong, Dong-Hoon Choi, Trust-region  Managed Approximate Optimization With a Progressive  Quadratic Response Surface Modeling, Optimisation in Undustry , 2001. 6

 

[32] Min-Soo Kim, Jong-Rip Kim and Dong-Hoon Choi, Sequential Approximation Optimization Using a New Two-point Approximation, the Fourth World Congress of Structural and Multidisciplinary Optimization, 2001. 6, Dalian, China

 

[31] Dong-Hoon Choi, Ki-Chan Yoon, A Design Method of an Automotive Wheel-Bearing Unit with Discrete Design Variables Using Genetic Algorithms, ASME/STLE Tribology conference, 2000.10, Sealtle

 

[30] Tae-Sik Kang, Dong-Hoon Choi and Tae-Gun Jeong, Optimal Design of HDD Air-Lubricated Slider Bearings for improving Dynamic Characteristics and Operating Performance, ASME/STLE Tribology conference,, 2000.10, Sealtle

 

[29] N.S.Lee, D.H.Choi, K.Y.Seok, Y.B.Lee, C.H.Kim, Vibration Control of a Flexible Rotor With a Slotted-Ring Sealed Electro-Rheological Squeeze Film Damper, Imech Conference, 2000, Britain

 

[28] Chang-Ho Kim, Nam-Soo Lee and Yong-Bok Lee, Vibration Control of a Pressurized, Sealed, Electro Rheological Fluid Squeeze-Film Damper Supported Rotor, ASIA-PACIFIC VIBRATION CONFERENCE '99, 1999. 12. 13 ~ 12. 15, SINGAPORE

 

[27] C.H.Kim, Y.B.Lee, N.S.Lee, D.H.Choi, Test results for vibration control of an overhung rigid rotor supported by a sealed and electro-rheological fluid squeeze film damper, DYMAC 99, 1999, Britain

 

[26] Dong-Hoon Choi, Kyung-Jin Hong, Sequential Approximated Optimization Using Response Surface Methods, Proceedings of the First China-Japan-Korea Joint Symposium on Optimization of Structural and Mechanical Systems, 10.31 ~ 11.04, Xi'an, China

 

[25] Dong-Hoon Choi, Tae-Sik, Kang, Tae-Gun Jeong, An Optimum Design of the Sub_Ambient Pressure Shaped Rail Sliders On Flying Characteristics Considering the High Altitude Condition, International Magnetic Conference, 1999. 5, Kyongju, Korea

 

[24] Dong-Hoon Choi, Tae-Sik, Kang, Tae-Gun Jeong, An Optimal Design of the 30%/15nm Subambient Pressure Shaped Rail Sliders, Proceedings of the First International Workshop on Storage Device, 1999. 1, Yonsei University, Korea

 

[23] Yong-Bok Lee, Nam-Soo Lee, Chang-Ho Kim, Test Results for Vibration Control of an Overhung Flexible Rotor Supported by a Discharge Free Slot Electro-theological Squeeze Film Damper, ISROMAC-7 The 7th International symposium on transport phenomena and dynamic of rotating machinery, 1998. 2. 23 ~ 1998. 2. 26, HONOLULU, Hawaie, USA

 

[22] Tae-Sik Kang, Dong-Hoon Choi, An Optimization Method for Design of Subambient Pressure Shaped Rail Sliders, ASME/STLE Tribology Conference, 1998. 12, Toronto, Canada

 

[21] Sang-Joon Yoon, Tae-Sik Kang, Dong-Hoon Choi, Configuration Optimization of a Negative Pressure Microhead Slider for Meeting the Desired Head-Disk Interface Performance, World Tribology Congress, 1997. 9, Westminster Central Hall, London, United Kingdom

 

[20] Min-Soo Kim, Dong-Hoon Choi, Approximate Augumented Lagrange Multiplier Method for Dynamic Response Optimization, JSME/International Symposium on Optimization and Innovative Design '97/Tokyo International Forum, 1997. 7, Tokyo, Japan

 

[19] Dong-Hoon Choi, Min-Soo Kim, Choon-Ki Lee, An Efficient Optimization Algorithm for Finding a Feasible Optimum Design, ISSMO/The Second World Congress of Structural and Multidisciplinary Optimization, Zakopane, 1997. 5, Poland

 

[18] Dong-Hoon Choi, Min-Soo Kim, Dynamic Response Optimization by Using Approximate Augumented Lagrangian, Engineering Foundation/An International Conference on Optimization, Optimization  in Industry, 1997. 3, Harborside Inn and Conference Center, Palm Coast, Florida, U. S. A.

 

[17] Sang-Joon Yoon, Dong-Hoon Choi, An Optimum Design of the Transverse Pressure Contour Slider for Enhanced Flying Characteristics, ASME/STLE International Tribology Conference & Exposition, 1996. 10, The Sheraton Hotel, San Francisco, California, U. S. A.

 

[16] Dae-Sung Bae, Dong-Hoon Choi, DAE Solution Methods for Multibody Mechanical Systems Implementaion  Consideration, SIAM Conference on Optimization, Victoria Conference Centre, 1996. 5, Victoria, British Columbia, Canada

 

[15] Chang-Ho Kim, Yong-Bok Lee, Dong-Hoon Choi, A Test Apparatus and Preliminary Test Results for Rotordynamic Coefficients of a Swirl-Controlled Hybrid Bearing, The 8th Workshop on Rotordynamic Instability Problems in High-Performance Turbomachinery, 1996. 5, Rudder Tower Texas A&M University College Station, Texas

 

[14] Dong-Soo Lee, Dong-Hoon Choi, A Dynamic Analysis and Optimum Design of a Flexible Rotor in Ball Bearings with Nonlinear Stiffness Characteristics, Proceedings of Colloquium on Turbomachinery-1996, 1996. 5, Turbo & Power Machinery Research Center, Seoul National University

 

[13] Dong-Soo Lee, Dong-Hoon Choi, A Dynamic Analysis of a Flexible Rotor in Ball Bearings with Nonlinear Stiffness Characteristics, Proceedings of the Sixth International Symposium on Transport Phenomena and Dynamic of Rotating Machinery (ISROMAC-6), 1996. 2, Pacific Center of Thermal Fluids (U. S. A.) & Turbo and Power Machinery  Research Center(Korea), Honolulu, Hawaii, U. S. A.

 

[12] Dong-Soo Lee, Dong-Hoon Choi, Optimum Design of a Flexible Rotor in Ball Bearings with Nonlinear Stiffness Characteristics, ASME Cogen-Turbo Power  Conferece, 1995. 8, Vienna, Austria

 

[11] Min-Su Kim, Dong-Hoon Choi, A New Approach to the Min-Max Dynamic Response Optimization, Proceedings of IUTAM Symposium on Optimization of Mechanical Systems, Bestle. D and Schiehlen. W. (eds), Kluwer Academic Publishers, 1995. 3, Stuttgart, Germany

 

[10] Sang-Joon Yoon, Dong-Hoon Choi, An Optimum Configuration Design of the Taper-Flat Slider Positioned by a Rotary Actuator, ASME/STLE International Tribology Conference ,Poster session #5,, 1994. 10, Lahaina, Hawaii, U. S. A.

 

[9] Nak Young Chong, Dong-Hoon Choi, Il Hong Suh, Planning and Error Compensation for Finite Manipulation of Soft-Fingered Hands, Proceedings of IEEE/RSJ/GI Int. Conf. on Intelligen Robots and Systems, 1994. 9, Munchen, Germany

 

[8] Nak Young Chong, Dong-Hoon Choi, Il Hong Suh, Dextrous Manipulation Planning of Multifingered Hands with Soft Finger Contact Model, Proceedings of IEEE Int. Conf. on Robotics and Automation, Vol. 4, 1994. 5, San Diego, California

 

[7] Jin-Ho Choi, Dong-Hoon Choi, Myung-Won Suh, Jin-Won Suh, Development of an Optimum Design Program for Wiper Linkages, 1994 SAE International Congress & Exposition, 1994. 2, Cobo Cente, /Detroit, Michigan, U. S. A

 

[6] Dong-Hoon Choi, Min Soo Kim, Soo Jong Ahn, A Study on Problems, The First Pan-Pacific Conference on Computational EngineeringA Study on Problems, 1993. 11, Seoul, Korea

 

[5] Dong-Hoon Choi, Sang-Joon Yoon, Static Analysis of Flying Characteristics of the Head Slider by Using an Optimization Technique, STLE/ASME Tribology Conference/Paper No. 93-Trib-41, 1993. 10, New Orleans Louisiana, U. S. A.

 

[4] Nak Young Chong, Dong-Hoon Choi, Il Hong Suh, A Generalized Motion/Force Planning Strategy for Multifingered Hands Using both Rolling and Sliding Contacts, Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems, Vol. 1, 1993. 7, Yokohama, Japan

 

[3] Nak Young Chong, Dong-Hoon Choi, Il Hong Suh, A Finite Motion Planning Strategy for Multifingered Robotic Hands Considering Sliding and Rolling Contacts, Proceedings of IEEE International Conference on Robotics and Automation Vol. 3, 1993. 5, Atlanta, Georgia

 

[2] Dong-Hoon Choi, Hong Soo Park, Min Soo Kim, A Direct Treatment of Min-Max Dynamic Response Optimization Problems, Proceedings of 34th AIAA SDM Conference, Vol. 1, 1993. 4, La Jolla, California, U. S. A.

 

[1] Nak Young Chong, Joo Hyun Baek, Il Hong Suh, Dong-Hoon Choi, Optimal Contact Forces for Multi-Fingered Robotic Hands Using Inner Links, Proceedings of 5th IEEE International Conference on Advanced Robotics (ICAR), Vol. 2, 1991. 6, Pisa, Italy