Pulse Width Modulation (PWM) Btech EEE Final Document technique is an effective method to control the speed of induction motor. This paper is about the development of the algorithm to do the PWM operation with the help of Matlab Simulink that interfaced with the actual induction motor by Matlab/Real time workshop.
The induction motor speed was controlled by the I/O interface circuit and Simulink to allow the real time control. The control algorithm enables the rotational direction switching and these functions are carried out in Matlab simulation in actual model successfully. It is a means to control speed of induction motor by a host PC connected by local area network or wireless network.
The techniques available for the speed of induction motor are varying to change rotor resistance or terminal voltage and varying synchronous speed with change in number of poles or supply frequency. To change rotor resistance, wound-rotor induction motor is required and resistances are inserted to the rotor circuit that reduces the efficiency of the machines. The change in terminal voltage limits range of speed control.
PWM technique controls the electrical frequency of the 3-phase voltage which is supplied to the motor from the Insulated Gate Bipolar Transistors (IGBTs) inverter circuit therefore the speed is allowed to the frequency of the reference signal, input to the PWM signal generator. The Real time workshop uses in performing real-time analysis, simulation, and testing of control systems and digital signal processing (DSP) systems.
The host-target environment allows users to connect models created in Math Works design like Simulink, Matlab, and Real-Time Workshop, to physical systems, and execute in real time. The control algorithm also developed in forward or reverse direction.
Pulse Width Modulation (PWM) Btech EEE Final Document Conclusion:
The development of the algorithm performs the PWM operation using Matlab Simulink, and implementation to actual model using the Matlab/Real time workshop that controls the speed of induction motor.
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Hello There,
ReplyDeleteGrazie! Grazie! Grazie! Your blog is indeed quite interesting around Pulse Width Modulation (PWM) Btech EEE Final Document I agree with you on lot of points!
I posted before regarding using oracle UDT stored procedure parameter type to pass a list of records for multiple insert using .net c#.
I had the below example where a Pulse Width Modulation (PWM) Btech EEE Final Document class definition is needed at .net side to map to oracle object. Unfortunately, I did not apply this due to the extra mapping code that is needed.http://appsjack.blogspot.com.eg/2010/09/pass-custom-udt-types-to-oracle-stored.html
My question is: did this change with oracle 12c? Can we now use:parameter.UdtTypeName = directOracleUDTName; //without the need for .net definition and mapping classes
Once again thanks for your tutorial.
Best Regards,
Daniel
Hi There,
ReplyDeleteInteresting piece!Great to see someone write Pulse Width Modulation (PWM) Btech EEE Final Document who is not a fanatic or a complete skeptic
I was trying to retrieve all the columns names from over 100 different views in an oracle database earlier today. I wasn't quite sure how to do it, so to save time I used query to get all the view names, then simply wrote a query that selected the view name and column names from all views where view_name in (list of views).
I was thinking about writing looping through all the view_names in the database and for each iteration storing the column_names in a variable and the outputting this to the screen.
As each view can have differing number of columns though would I have to store the column names in a record variable?
Then how would I retrieve the column names for each view name stored in this record variable?
Very useful article, if I run into challenges along the way, I will share them here.
Shukran,
Preethi.
Hi,
ReplyDeleteInteresting piece!Great to see someone write Pulse Width Modulation (PWM) Btech EEE Final Document who is not a fanatic or a complete skeptic.
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