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Questions and Answers > AGV EX 1-AVG PROBLEMS_ RMIT International University Vietnam, Ho Chi Minh City ISE 1

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RMIT International University Vietnam, Ho Chi Minh City ISE 1 1) An automated guided vehicle system has an average travel distance per delivery = 220 m and an average empty travel distan ... ce =160 m. Load and unload times are each 24sec and the and speed of the AGV = 1 m/sec. Traffic factor = 0.9 and availability = 0.94. How many vehicles are needed to satisfy a delivery requirement of 35 deliveries/hr? Note that: - Ld=220m; Le=160m - Tu=Tl=24 s - vc=1m/s - Ft=0.9 ; A=0.94 - Rf=35deliveries/hr - Assume Ew=1 - nc=? AT =60∗A∗Ft∗Ew=60∗0.94∗0.9∗1=50.76min per hr per vehicle Tc=Tl+ Ld vc +Tu+ Le vc =24+ 220 1 +24+ 160 1 =428 s=7.13min Rdv= AT Tc = 50.76 7.13 =7.12 deliveries per vehicle nc= Rf Rdv = 35 7.12 =4.91∨5 vehicles 2) A Planned manufacturing system will have the layout pictured in Figure and will use an automated guided vehicle system to move parts between stations ln the layout. All work parts are [Show More]

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