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DMC4-SP Mechatronics and Remote Engineering - Electrical Actuators

  • Duration:
  • Investment: US$ 249
Certificate:

Must complete all lessons

Description

Electric motors involve rotating coils of wire which are driven by the magnetic force exerted by a magnetic field on an electric current. They transform electrical energy into mechanical energy and they can be classified into direct current or DC and alternating current or AC motors. DC or AC is a very common term which refers to how the electrical current is transferred through and from the motor. Both types of motors have different utilities and uses. 
This course is designed to help students to understand the constructional features and operation of motors and its interfacing to microcontrollers including linear electro-pneumatic actuators and smas (muscle wire) and solenoids. 
After completing this course, students will have expert knowledge on the construction, characteristics, operation and application on various types of motors.

WHO SHOULD COMPLETE THIS COURSE

  • Electrical Engineers
  • Electricians
  • Installation and maintenance technicians
  • Maintenance Engineers
  • Operations Engineers
  • Process Engineers
  • Process Operators
  • Production Managers
  • Project Managers

COURSE OUTLINE
CONSTRUCTION AND PRINCIPLE OF OPERATION

  • Fleming left hand rule
  • Basic construction
  • Questions and answers

MOTOR CURVES

  • Voltage vs. Current
  • Speed vs. Torque

DRIVE METHODS

  • 3 point starter
  • 4 point starter
  • H-Bridge drive

CONTROL OF SPEED, DIRECTION AND BRAKING

  • Control of speed
  • Control of direction
  • Control of braking

INTERFACING TO MICROCONTROLLERS

  • Interfacing to PIC microcontrollers
  • Questions and answers

CONSTRUCTION AND WORKING OF SERVO METER

  • Servo meter
  • Construction
  • Working

CONTROL CIRCUITS AND SIGNALS

  • Control circuits
  • Control signals
  • Encoders
  • Tachometers
  • Applications

INTERFACING TO MICROCONTROLLERS

  • Motors in different length
  • Ability to control torque

CONSTRUCTION OF STEPPER MOTOR

  • Stepper motor types/classification
  • Operation principle
  • Permanent magnet
  • Classification- hybrid

PRINCIPLES OF STEPPER MOTOR

  • Principles of operation
  • Stepping
  • Questions and answers

DRIVE METHODS

  • Generating high torque with compact body
  • Control with pulse signals
  • Motor holds its position at shop
  • Closed loop stepper motor

INTERFACE TO MICROCONTROLLERS

  • Torque comparison of stepper and servos
  • Unsuitable applications for steppers

INDUCTION MOTORS

  • Principles
  • Construction 
  • Questions and answers

SYNCHRONOUS MOTORS

  • Principles
  • Construction 
  • Start of synchronous motors
  • Questions and answers

LINEAR INDUCTION AND SYNCHRONOUS MOTOR

  • Linear Induction motor
  • Linear synchronous motor
  • Types of Linear motor
  • Flat type linear motors
  • Maglev

AC MOTOR CONTROL

  • Variable frequency drive
  • Soft starter

SLEWING DRIVES

  • Parts
  • Application of solar tracker
  • Color description
  • Motor options

LINEAR ELECTRO-HYDRAULIC ACTUATORS

  • Definition and working
  • Questions and answers

LINEAR ELECTRO-PNEUMATIC ACTUATORS

  • Definition and working
  • Questions and answers
  • Electrical Linear Actuators
  • Electromechanical actuation system

GEAR DRIVE AND BELT DRIVE ACTUATORS

  • Diagrams
  • Examples
  • Questions and answers

ACME AND BALL SCREW DRIVERS

  • Acme screw drivers
  • Ball screw drivers

Selecting and sizing screw drive system

  • ULTRASONIC MOTORS
  • Piezoelectric effect

Piezo electric motor vs. EM motor

  • Ultrasonic linear motor
  • Ultrasonic rotary motor

BRUSHLESS DC MOTORS

  • Working of Brushless DC motors
  • Questions and answers

PIEZO LINEAR STACK ACTUATORS

  • Applications
  • Advantages
  • Questions and answers

SMAS (MUSCLE WIRE) AND SOLENOIDS

  • One way vs. two way shape memory
  • Metals programming
  • Applications of SMA
  • Types of solenoids
  • Questions and answers
     

Investment

Plan Name Investment
Unlimited Access for 2 Years: US$ 249

Instructor

Frikkie Marx

Pr Eng, B Sc (Eng) Senior Engineer

Frikkie has over 20 years of experience in the fields of Power Systems from design to industrialisation. He started his career on the Power System Protection side, then migrated to EMC and Power Supply Systems. Frikkie's portfolio of achievements includes the design of Power Systems, Switch Mode Power Supplies, UPS, high precision Servo Amplifiers, battery and Inverter Design for solar panel applications, vehicle management, specialised computer systems and high current starter for vehicle plants. Lecturer and course developer of Industrial  and Power electronics for Technikon SA (UNISA). Project Manager/System engineer for the development of Electro-optical systems which include video systems for UAV’s and a high resolution Infra-Red Camera. Other activities include the mentorship programs of Kentron, Industrial electronics, rockets and robots training programme for the Denel Youth Foundation Bridging Program as well as training consultant.

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