Challenge

Week - 4

CHALLENGE-1: CONTROL LOGIC OF A WASHING MACHINE

AIM: To implement a control logic of a washing machine using simulink stateflow as per the given sequence.

GIVEN SEQUENCE:

After all the processes have completed turn on the finished LED.

MODEL WITH OUTPUT:

EXPLANATION:

First open a new model in simulink window and search for 'chart' which is used to create a flow chart of the control logic for the washing machine as per the given condition/sequence.
Inside the chart window by clicking on the state icon we can create the state blocks.
After,creating of the state blocks we have to put or write the state name as mentioned in the flow chart diagram 'START','WATERING','WASHING','RINSING','DRYING','STOP' are actually the state names,which represents the operation or process happening at the states.
Conditions,which we have to give in the state blocks for the flow of the process by the means of input,which actually drive the process flow or the flow chart.
By joining of all the state blocks,we can actually assing which state is going to run after a state in a continous flow.
Condition for the states,the conditions which we are giving in the joing of states is actually runs the states after a certain time or a certain condition,which we are giving to it.
For,Starting of the process a lamp is shown in green color which indicates the process has started and while finishing a red lamp is used to indicate it,by linking the lamp with the regarding input and output datasets.

CHALLENGE-2: GEAR SHIFTING LOGIC

AIM:

To make or create a Gear shifting logic using flow chart in simulink as per the given conditions.

GIVEN CONDITION/STATE:

Speed Range(kmph) Gear

0 to 15 1

16 to 25 2

26 to 40 3

41 to 60 4

Above 61 5

Give speed input while the simulation is running & display the gear number.

M0DEL:

EXPLANATION:

In this above model,the same steps follows to create a model and in the chart window we have to give the states and its conditions as per the given condition.
We are just creating the states as first gear,second gear,third,fourth and fifth gear as per the given codition.
And,giving the flow condition for the state as means of speed like,'speed>16',etc.,.So, actually we are defining the gear condition by the speed input.
By using the SLIDER GAIN block with the running time infinity we can increase and decrease the speed.
By using the DISPLAY block we can see at which speed which gear is shifted or changed according to the up/down of speed.

OUTPUT:

THE ABOVE OUTPUTS ARE SHOWING THAT FOR DIFFERENT SPEED INPUT THE GEAR CHANGES AUTOMATICALLY AND DISPLAYED WHICH GEAR IS SHIFTED IN THE DISPLAY BLOCK.

Ship work like this
in your own course.