System Design Engineering of Technical Products KKS/ZKMA b_ZKMA/… Pilsen, Czech Republic, 2014 Department of Machine Design 1 © S. Hosnedl, University of West Bohemia, Pilsen, Czech Republic Prof. Dr.-Ing. Stanislav Hosnedl Sylabuses to Lectures – Part A1
Department of Machine Design 2 © S. Hosnedl, University of West Bohemia, Pilsen, Czech Republic Model of an object and Model of a process Few Introductory Figures & Notes Sylabuses to Lectures – Part A1 Prof. Ing. Stanislav Hosnedl, CSc. ZČU Plzeň, 2015 System Design Engineering of Technical Products KKS/ZKMA
REAL OBJECT and its MODELS Arrangement of their elements - real : model 1 : 1 ! © S. Hosnedl 3
Model of a Manufacturing Process [web] – without human, machines, assisting materials, management, … !!! Model of a General Process [web] - model of a perpetum mobile, … ??? ? ? No Inputs ? No Ouputs? Information without any changes? ? No Energy Output? ? What is the role of Space here - its magnitude or shape? What is the role of Time here - its endless flow? Space Time Input Output PRODUCT MATERIAL ENERGY WASTE INFORMATION FEEDBACKS MANUFACTURING PROCESS ? ? USUAL FORMS of PROCESS MODELS © S. Hosnedl 4
OutputInput PROCES OutputInput Step 1 Step 2 Step iStep i+1Step n Model of a Process [web] – missing changed/transformed object in the process between Input and Output !!! USUAL FORMS of PROCESS MODELS © S. Hosnedl 5
OutputInput PROCESS OutputInput Output State Out ! Input State Inp ! PROCES Step 1 Step 2 Krok iStep i+1Step n State 1State 2 State iState i+1 State n Model of a Process (bottom) – including the changed /transformed object in the process between Input and Output !!! => RECOMMENDED PROCESS MODEL © S. Hosnedl 6