Problem Statement Tower cranes are widely used in many heavy industrial manufacturing settings as well as used all over the world for building tall buildings, in shipping yards to move large crates, and so on. The horizontal arm that rotates on top of the tower, or the mast, is called the jib and is driven by a large motor called the slewing unit as shown in Figure 1. An electrie tower crane is often preferred as it offers the ideal lifting capacity and height combination that is suitable for heavy equipment moving in and out. The slewing unit consists of the motor, gearing and transmission that allows the crane to rotate. https://www.simicrane.com/electric-tower-crane/ hupycnnocenonausumagpos.comyaununywwer-ararenem Figure 1. Schematic of tower crane showing different components and a picture a tower crane Suppose everything in the modeling worked out and a designer from your team highly simplified the slweing unit system to model it using a second order lumped parameter model. Consider a motion output of the rotional jib is expressed by using the following governing equaiton. It is subjete to applied torque T(t). Ö(t) + 8 0(t) + 16 0(t) = T(t) Initial conditions are zero 2 (a) Find the transient and steady state parts of the solution for position using analytical method if a unit setp torque input is provided. (b)Roughly sektech the output.
Problem Statement Tower cranes are widely used in many heavy industrial manufacturing settings as well as used all over the world for building tall buildings, in shipping yards to move large crates, and so on. The horizontal arm that rotates on top of the tower, or the mast, is called the jib and is driven by a large motor called the slewing unit as shown in Figure 1. An electrie tower crane is often preferred as it offers the ideal lifting capacity and height combination that is suitable for heavy equipment moving in and out. The slewing unit consists of the motor, gearing and transmission that allows the crane to rotate. https://www.simicrane.com/electric-tower-crane/ hupycnnocenonausumagpos.comyaununywwer-ararenem Figure 1. Schematic of tower crane showing different components and a picture a tower crane Suppose everything in the modeling worked out and a designer from your team highly simplified the slweing unit system to model it using a second order lumped parameter model. Consider a motion output of the rotional jib is expressed by using the following governing equaiton. It is subjete to applied torque T(t). Ö(t) + 8 0(t) + 16 0(t) = T(t) Initial conditions are zero 2 (a) Find the transient and steady state parts of the solution for position using analytical method if a unit setp torque input is provided. (b)Roughly sektech the output.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Problem Statement
Tower cranes are widely used in many heavy industrial manufacturing settings as
well as used all over the world for building tall buildings, in shipping yards to move
large crates, and so on. The horizontal arm that rotates on top of the tower, or the
mast, is called the jib and is driven by a large motor called the slewing unit as shown
in Figure 1. An electrie tower crane is often preferred as it offers the ideal lifting
capacity and height combination that is suitable for heavy equipment moving in and
out. The slewing unit consists of the motor, gearing and transmission that allows the
crane to rotate.
https://www.simicrane.com/electric-tower-crane/
hupycnnocenonausumagpos.comyaununywwer-ararenem
Figure 1. Schematic of tower crane showing different components and a picture a
tower crane
Suppose everything in the modeling worked out and a designer from your team
highly simplified the slweing unit system to model it using a second order lumped
parameter model. Consider a motion output of the rotional jib is expressed by using
the following governing equaiton. It is subjete to applied torque T(t).
Ö(t) + 8 0(t) + 16 0(t) = T(t)
Initial conditions are zero
2
(a) Find the transient and steady state parts of the solution for position using
analytical method if a unit setp torque input is provided.
(b)Roughly sektech the output.
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