HO CHI MINH CITY UNIVERSITY OF TECHNOLOGY AND EDUCATION
FACULTY FOR HIGH QUALITY TRAINING

GRADUATION PROJECT
(UPPERCASE, bold, 16pt. Times New Roman)

RESEARCH CONTROLLER AND
TESTING FOR REGENERATIVE BRAKING USING 3PHASE INDUCTION MOTOR

VŨ MINH HIẾU ERCASE, bold, 14pt. Times New Roman)
Student ID: 19145179 (bold, 14pt. Times New Roman)
LÊ MINH NHẤT ame, UPPERCASE, bold, 14pt. Times New Roman)
Student ID: 19144056 (bold, 14pt. Times New Roman)
Major: AUTOMOTIVE ENGINEER TECHNOLOGY
(UPPERCASE, bold, 14pt. Times New Roman)

Advisor: LÊ THANH PHÚC, PhD.
Ho Chi Minh City, July 2023
APPENDIX 3: (Graduation Project Assignment)
i

THE SOCIALIST REPUBLIC OF VIETNAM
Independence – Freedom– Happiness

-Ho Chi Minh City, July, 2023

GRADUATION PROJECT ASSIGNMENT
Student name: Vũ Minh Hiếu

Student ID: 19145179

Student name: Lê Minh Nhất

Student ID: 19144056

Major: Automotive Engineer Technology

Class: 19145CLA

Advisor: Lê Thanh Phúc, PhD.

Phone number: _________________

Date of assignment: _____________________ Date of submission: _____________

1. Project title: Research controller and testing for regenerative braking using 3-phase
induction motor
2. Initial materials provided by the advisor: ___________________________________
3. Content of the project: _________________________________________________
4. Final product: ________________________________________________________
CHAIR OF THE PROGRAM

ADVISOR

(Sign with full name)

(Sign with full name)

ii

APPENDIX 4: (Advisor’s Evaluation sheet)
THE SOCIALIST REPUBLIC OF VIETNAM
Independence – Freedom– Happiness

-Ho Chi Minh City, July, 2023

ADVISOR’S EVALUATION SHEET
Student name: Vũ Minh Hiếu

Student ID: 19145179

Student name: Lê Minh Nhất

Student ID: 19144056

Major: Automotive Engineer Technology
Project title: Research controller and testing for regenerative braking using 3phase induction motor.
Advisor: Lê Thanh Phúc, PhD.
EVALUATION
1. Content of the project:
.................................................................................................................................................
.................................................................................................................................................
.................................................................................................................................................
2. Strengths:
..........................
...

...
t)
Serial.println(scale.get_units(5), 1) // print the average of 5 readings from the ADC
minus tare weight (not set) divided
// by the SCALE parameter (not set yet)

scale.set_scale(-15484)
//scale.set_scale(-471.497)

// this value is obtained by calibrating the scale

with known weights see the README for details
scale.tare()

// reset the scale to 0

Serial.println(After setting up the scale:)

Serial.print(read: \\t\\t)
Serial.println(scale.read())

// print a raw reading from the ADC

Serial.print(read average: \\t\\t)
Serial.println(scale.read_average(20))

// print the average of 20 readings from the

ADC

Serial.print(get value: \\t\\t)
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Serial.println(scale.get_value(5)) // print the average of 5 readings from the ADC minus
the tare weight, set with tare()

Serial.print(get units: \\t\\t)
Serial.println(scale.get_units(5), 1)

// print the average of 5 readings from the ADC

minus tare weight, divided
// by the SCALE parameter set with set_scale

Serial.println(Readings:)
}

void loop() {
Serial.print(one reading:\\t)
Serial.print(scale.get_units(), 1)
Serial.print(\\t| average:\\t)
Serial.println(scale.get_units(10), 5)

(5000)
}
Code for Encoder Module
signed int motor1Speed
int encoder_pin = 2 // The pin the encoder is connected
unsigned int rpm

// rpm reading

volatile byte pulses // number of pulses
unsigned long timeold
// The number of pulses per revolution
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// depends on your index disc!!
unsigned int pulsesperturn = 20

void counter()
{
// count
pulses++
}

void setup()
{
Serial.begin(9600)
pinMode(encoder_pin, INPUT)
pinMode(motor1Speed , OUTPUT)
attachInterrupt(0, counter, FALLING)
pulses = 0
rpm = 0
timeold = 0

}

void loop()
{
if (millis() - timeold = 1000){ Uptade every one second, this will be equal to reading
frecuency (Hz).

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//Dont process interrupts during calculations
detachInterrupt(0)
//Note that this would be 60*1000/(millis() - timeold)*pulses if the interrupt
//happened once per revolution
rpm = (60 * 1000 / pulsesperturn )/ (millis() - timeold)* pulses
timeold = millis()
pulses = 0

//Write it out to serial port
Serial.print(RPM = )
Serial.println(rpm,DEC)
//Restart the interrupt processing
attachInterrupt(0, counter, FALLING)
int potvalue = analogRead(1) // Potentiometer connected to Pin A1
int motorspeed = map(potvalue, 0, 1023, 255, 0)
analogWrite(motor1Speed, motorspeed)
digitalWrite(motor1Speed, 1)
}
}

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