PLASTICS IN THE AUTOMOTIVE INDUSTRY
CONTENTS DYNAMIC MACHINERY AND SYSTEM MODEL EFFECT OF SUSPENSION SYSTEM STIFFNESS ON DYNAMIC LOAD THREE AXLE VEHICLE 3 TRAJECTORY INFERENCE OPTIMIZATION BASED ON IMPROVED DR ALGORITHM 15 RESEARCH ON AGV CHASSIS STRUCTURAL RENOVATION BASED ON UPHILL AND DOWNHILL SCENARIOS 25 FINDING RECOMMENDATIONS FOR SELECTING NUMERICAL MODEL SETTINGS FOR EF CIENT SIMULATION OF THE WORKING PROCESS OF AN AXIAL TURBINE BLADE WITH CONVECTIVE COOLING 37 GENERAL MECHANICAL STRUCTURE DESIGN AND PERFORMANCE TEST A NOVEL DESIGN OF AUTOMATIC LONGAN SEED REMOVING MACHINE 59 A SEMI ANALYTICAL APPROACH FOR DYNAMIC CHARACTERISTICS OF BEAMS WITH THE EFFECT OF STATIC LOAD 67 MILLING TOOL WEAR PREDICTION BASED ON 1DCNN LSTM 77 THE IN UENCE OF ROAD QUALITY ON OSCILLATING OF MULTI PURPOSE FOREST FIRE FIGHTING VEHICLE 93 1 57 MECHANICAL PROPERTIES AND MECHANICAL ANALYSIS OF MATERIALS FILAMENTS FOR 3D PRINTERS FROM SURGICAL MASKS CORNSTARCH AND PLASTIC BOTTLES GENERATED BY COVID 19 107 AFM ANALYSIS OF 3D PRINTING PEI FOR AUTOMOTIVE APPLICATIONS 123 LIFE CYCLE ASSESSMENT OF WIRE ARC ADDITIVE MANUFACTURING PROCESS 135 DEVELOPMENT OF COST EFFECTIVE SUSTAINABLE HYBRID COMPOSITES BASED ON RECYCLED PP AND CHOPPED CARBON FIBERS 145 MECHANISM OF DROPLET COALESCENCE IN CYLINDRICAL HYDROCYCLONE 157 IN UENCE OF GEOMETRIC IMPERFECTIONS ON GLOBAL BUCKLING STRENGTHS OF COLD ROLLED ALUMINIUM ALLOY CHANNEL COLUMNS 171 105 DYNAMIC MACHINERY AND SYSTEM MODEL 1 EFFECT OF SUSPENSION SYSTEM STIFFNESS ON DYNAMIC LOAD THREE AXLE VEHICLE ABSTRACT 3 AXLE TRUCKS PLAY AN IMPORTANT ROLE IN THE FREIGHT TRANSPORT NETWORK IN VIETNAM DUE TO THEIR HIGH TRANSPORT CAPACITY IN THE WORKING PROCESS DYNAMIC LOADS GREATLY AFFECT THE AXLE HOUSE ROAD AND VEHICLE DYNAMIC SAFETY THIS PAPER PRESENTS THE SURVEY RESULTS ON THE IN UENCE OF SUSPENSION SYSTEM STIFFNESS ON THE DYNAMIC LOAD OF A 3 AXLE TRUCK WHEN THE VEHICLE GOES THROUGH A RANDOM BUMPY ROAD ACCORDING TO ISO 8608 2016 STANDARD THE PURPOSE OF THE STUDY IS TO BUILD AND SIMULATE THE VEHICLE S DYNAMICS MODEL TO DETERMINE THE DYNAMIC LOAD ACTING ON THE ROAD A DYNAMIC MODEL OF A 3 AXLE TRUCK IS SIMULATED USING MATLAB SIMULINK DYNAMIC LOADS GENERATED BY THE EXCITATION FROM THE ROAD SURFACE BUMP TO THE WHEELS THROUGH THE SUSPENSION THE MODEL IS APPLIED TO STUDY THE VIBRATION AND NOISE AND ANALYZE THE STRUCTURAL DURABILITY OF VEHICLES KEYWORDS SUSPENSION SYSTEM DYNAMIC LOAD 3 AXLE TRUCK ISO 8608 2016 1 INTRODUCTION HEAVY DUTY TRUCKS TODAY PLAY AN IMPORTANT ROLE IN THE FREIGHT NETWORK IN VIETNAM AS THEY MEET THE DEMANDS FOR DURABILITY AND PRODUCTIVITY IN TRANSPORTING GOODS WITH HIGH FREQUENCY TYPICAL FOR THE HEAVY TRUCK SEGMENT IS THE 3 AXLE TRUCK DEVELOPED BY HYUNDAI WITH THE NUMBER HD270 THIS IS A POPULAR VEHICLE USED FOR TRANSPORTING MATERIALS AND GOODS CONTRIBUTING A SIGNI CANT PART TO CONNECTING ECONOMIC REGIONS AND PROMOTING MARKETS CONNECTING GOODS FOR SYNCHRONOUS ECONOMIC DEVELOPMENT 3