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simulink代写-EECS 419/ ISD

时间：2021-02-14

EECS 419/ ISD 599-889

Winter 2021

Simulink Project #2

Your mission, should you choose to accept it (note: you have to accept it), is to create a Simulink

model of an actuator consisting of a coil of wire and a cylinder of soft magnetic material, a cross-

section of which is shown below.

The inductance L of the coil changes with the position x of the cylinder, and can be represented

as follows:

( )

2

0 ,d

x

xL x L L e

−

= +

where 150 ,L Hµ=

0 2 ,L mH= and 4 .dx cm= The coil has a resistance 3 .R m= Ω The soft

magnetic cylinder has a mass 0.1m kg= and can freely move in the x-direction. Assume the

actuator is in space (i.e., zero gravity).

The Simulink model should model the electrical dynamics of the coil, the electromechanical

force exerted on the cylinder, and the resulting mechanical dynamics of the cylinder. It should

have as an input the coil voltage v and outputs coil current i, electromechanical force fem, cylinder

velocity u, and cylinder position x.

Once the model is complete, simulate and plot the outputs of the actuator due to the following

voltage excitations:

a. A unit step. Plot all outputs from t=-0.5s to t=3s.

b. The voltage waveform below (note that the coordinates of the waveform are provided).

Plot all outputs from t=0 to t=0.3s.

For each simulation the mover is initially at rest (i.e., zero velocity) at a displacement x=-3cm.

Choose an appropriate tolerance or time step to ensure accurate results. Also, for each simulation

describe qualitatively what the cylinder is doing. Submit your Simulink files, plots, and any

Matlab m-files used.

学霸联盟

Winter 2021

Simulink Project #2

Your mission, should you choose to accept it (note: you have to accept it), is to create a Simulink

model of an actuator consisting of a coil of wire and a cylinder of soft magnetic material, a cross-

section of which is shown below.

The inductance L of the coil changes with the position x of the cylinder, and can be represented

as follows:

( )

2

0 ,d

x

xL x L L e

−

= +

where 150 ,L Hµ=

0 2 ,L mH= and 4 .dx cm= The coil has a resistance 3 .R m= Ω The soft

magnetic cylinder has a mass 0.1m kg= and can freely move in the x-direction. Assume the

actuator is in space (i.e., zero gravity).

The Simulink model should model the electrical dynamics of the coil, the electromechanical

force exerted on the cylinder, and the resulting mechanical dynamics of the cylinder. It should

have as an input the coil voltage v and outputs coil current i, electromechanical force fem, cylinder

velocity u, and cylinder position x.

Once the model is complete, simulate and plot the outputs of the actuator due to the following

voltage excitations:

a. A unit step. Plot all outputs from t=-0.5s to t=3s.

b. The voltage waveform below (note that the coordinates of the waveform are provided).

Plot all outputs from t=0 to t=0.3s.

For each simulation the mover is initially at rest (i.e., zero velocity) at a displacement x=-3cm.

Choose an appropriate tolerance or time step to ensure accurate results. Also, for each simulation

describe qualitatively what the cylinder is doing. Submit your Simulink files, plots, and any

Matlab m-files used.

学霸联盟