Petri Net-Based R&D Process Modeling and Optimization for Composite Materials

Table 1

Name of Place and its meaning.

Place	Meaning of Place
𝑃1	Preparation of new materials R & D
𝑃2	Market research
𝑃3	Demand analysis
𝑃4	Feasibility analysis
𝑃5	Feasibility audit
𝑃6	Property analysis
𝑃7	Property confirmation audit
𝑃8	Set out technical specifications
𝑃9	The audit of technical specifications
𝑃10	Application of development application form
𝑃11	Approval of development application form
𝑃12	Distribution of development application form
𝑃13	Preparing formula
𝑃14	Material formula performance confirmation
𝑃15	Material formula research and development
𝑃16	Audit of material formula results
𝑃17	Color formula requirements confirmation
𝑃18	Color formula research and development
𝑃19	Audit of color formula results
𝑃20	Confirmation technology parameters
𝑃21	Set out technology parameters
𝑃22	Audit technology parameters
𝑃23	The preparation of the production plan
𝑃24	Ready to production
𝑃25	Production
𝑃26	Set out test plan
𝑃27	Entry of test data
𝑃28	Judge the validity and correctness of test data
𝑃29	Test
𝑃30	Judge test results
𝑃31	Deal with storage
𝑃32	Collect data document and warehousing
𝑃33	Project ends