Jspe hokkaido 2010

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Jspe hokkaido 2010

  1. 1. A Virtual Customer Needs System for Product Development Authors Md Mamunur Rashid, Junich Tamaki, Sharif Ullah, and Akihiko Kubo Kitami Institute of Technology, Hokkaido, Japan2010年度精密工学会北海道支部学術講演会 1 北海道工業大学平成22年9月4日
  2. 2. Contents:IntroductionKano Model for Customer NeedsProposed SystemResultsFuture PlanConcluding Remarks2010年度精密工学会北海道支部学術講演会 2 北海道工業大学平成22年9月4日
  3. 3. Introduction: Product Development Process Product Development Product Simulation System for Cycle Development Team Virtual Customer Needs Strategic Goal Customer Needs Assessment Questionnaires Conceptualization Product Realization Satisfaction Real Customers2010年度精密工学会北海道支部学術講演会 3 北海道工業大学平成22年9月4日
  4. 4. Introduction2010年度精密工学会北海道支部学術講演会 4 北海道工業大学平成22年9月4日
  5. 5. Introduction VOC analysis using the Technical Solutions Methods/Tools method described in the QFD, TRIZ, Simulation, CAD/CAM/CAE, paper … Requirement Analysis Tools: Quality Requirement Definition (Hari et al. 2007) Logical Requirement Analysis (Mannion and Kaindle 2008) …2010年度精密工学会北海道支部学術講演会 5 北海道工業大学平成22年9月4日
  6. 6. Kano ModelClassification of Customer Needs High satisfaction (Delighted) Attractive (A) One-dimensional (O) Indifferent (I)Performance fully absent Performance fully present(Dysfunctional) (Functional) Must be (M) Reverse (R) Low satisfaction (Disgusted)2010年度精密工学会北海道支部学術講演会 6 北海道工業大学平成22年9月4日
  7. 7. Kano Model Question: 1 Question: 2 Functiona l Answer: Dysfunctiona l Answer: Functiona l Answer: Dysfunctiona l Answer: Like Like Like Like Must-be Must-be Must-be Must-be Neutra l Neutra l Neutra l Neutra l Live-with Live-with Live-with Live-with Dislike Dislike Dislike Dislike (Dislike, Like)  Reverse (Must-be, Dislike)  Must-be Functional Dysfunctional Answers (Y) Answers (X) ( ) Like Must-be Neutral Live-with Dislike Like Q A A A O Must-be R I I I M Neutral R I I I M Live-with R I I I M Dislike R R R R Q2010年度精密工学会北海道支部学術講演会 7 北海道工業大学平成22年9月4日
  8. 8. Proposed System Product Development Product Simulation System for Cycle Development Team Virtual Customer Needs Strategic Goal Customer Needs Assessment Questionnaires Conceptualization Product Realization Satisfaction Real Customers2010年度精密工学会北海道支部学術講演会 8 北海道工業大学平成22年9月4日
  9. 9. Proposed SystemThe generic discrete event simulation technique : Input : E E 1 , , E n //event vector P Pr E 1 , , Pr E n //probability vector N //number of iterations Calculate: For i 1, , n CPr E i Pr E 1  Pr E i // cumulativeprobability End For Simulate : For k 1, , N generate rk //rk is a random number in the interval 0,1 If rk 0,CPr E 1 Then S k E1 Else For i 2, , n 1 If rk CPr E i 1 , CPr E i Then S k Ei End For If rk CPr E n 1 , CPr E n Then Sk En End For Output : S S 1 , ,S k , ,S N //simulated event vector 2010年度精密工学会北海道支部学術講演会 9 北海道工業大学平成22年9月4日
  10. 10. Proposed System2010年度精密工学会北海道支部学術講演会 10 北海道工業大学平成22年9月4日
  11. 11. Results 1 1 0.8 0.8 0.6 0.6 Pr(.)Pr(.) 0.4 0.4 0.2 0.2 0 0 Evaluations EvaluationsWorst Possible Probability for attractive Best Possible Probability for attractive2010年度精密工学会北海道支部学術講演会 11 北海道工業大学平成22年9月4日
  12. 12. Results 1 1 0.8 0.8 0.6 0.6 Pr(.)Pr(.) 0.4 0.4 0.2 0.2 0 0 Evaluations Evaluations For 100 simulated answers For 1000 simulated answers2010年度精密工学会北海道支部学術講演会 12 北海道工業大学平成22年9月4日
  13. 13. Results 1 1 0.8 0.8 0.6 0.6Pr(.) Pr(.) 0.4 0.4 0.2 0.2 0 0 Evaluations Evaluations For 50 simulated answer For 25 simulated answer2010年度精密工学会北海道支部学術講演会 13 北海道工業大学平成22年9月4日
  14. 14. Results Using this system a product development team can identify beforehand how many customers that should ask to determine whether or not a product attribute is Attractive, Must-be, One-dimensional, Indifferent, or Reverse.2010年度精密工学会北海道支部学術講演会 14 北海道工業大学平成22年9月4日
  15. 15. Future Work1. The simulation method can be developed to know the unknown answer, when the demographic and psychographic factors of the respondents of known and unknown answers are similar.2. A system can to simulate the functional and dysfunctional answers for a given Kano evaluation.3. A combination of the known answer and random selection can be used to develop a computer system.2010年度精密工学会北海道支部学術講演会 15 北海道工業大学平成22年9月4日
  16. 16. Concluding Remarks1.Customer requirements are an important component of product development.2.The customer expectations to the technical requirements of products are also necessary for product development.2010年度精密工学会北海道支部学術講演会 16 北海道工業大学平成22年9月4日

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