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DMC5-SP Mechatronics and Remote Engineering - Robot Mechanics

  • Duration:
  • Investment: US$ 149
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Must complete all lessons

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Description

Robotics deals with the design, construction, operation, and application of robots, as well as computer systems for their control, sensory feedback, and information processing. Robots have some kind of mechanical construction, electrical components which power and control the machinery and some level of computer programming code. The vast majority of robots use electric motors, often brushed and brushless DC motors in portable robots or AC motors in industrial robots and CNC machines. This course is designed to help students to understand the construction and operation of robots including electric motors and batteries. After completing this course, students will have expert knowledge on the recent developments in robot mechanics.

 

WHO SHOULD COMPLETE THIS COURSE

  • Mechanical Engineers
  • Electrical Engineers
  • Electronic Engineers
  • IT Specialists
  • Installation and maintenance technicians
  • Maintenance Engineers
  • Operations Engineers
  • Process Engineers
  • Process Operators
  • Production Managers
  • Project Managers
  • Designers

 

COURSE OUTLINE

INTRODUCTION TO ROBOT MECHANICS

  • Theoretical mechanics
  • Parts of Robots
  • Classification of Robots
  • Types of Robots

 

MOMENT ARMS

  • Force
  • Moment
  • Moment arm for robot
  • Degree of freedom of robots
  • Joints of robots

 

MECHANICAL TRANSFORMATION DEVICES

  • Levers
  • Belts and Pulleys
  • Gear boxes
  • Lead Screws

 

STATIC AND DYNAMIC FICTION

  • Types of friction
  • Static and dynamic friction
  • Friction dependencies in robot joints

 

SAFETY FACTORS

  • Stress-Strain graph
  • Stress-Strain curve for ductile materials
  • Working stress - Limit stress

 

DISPLACEMENT AND VELOCITY

  • Introduction
  • Linear displacement
  • Angular displacement
  • Linear velocity
  • Angular velocity
  • Displacement of robots
  • Robot dynamics

 

ACCELERATION

  • Linear Acceleration
  • Angular Acceleration
  • Radial Acceleration
  • Example

 

WHEEL DIAMETER VS TORQUE

  • Number of wheels in robot design
  • Common three wheeled robot configuration
  • The four basic wheel types in robots

 

WHEEL DIAMETER CALCULATION FOR MOBILE ROBOTS

  • Diameter calculation

 

GEARINGS

  • Torque and gearing
  • Gearing principles
  • Gear ratio
  • Gearing Pros and cons
  • Gear trains and types

 

MOMENTUM

  • Linear Momentum
  • Angular Momentum

 

INERTIA

  • Mass moment of Inertia
  • Moment of Inertia
  • Radius of gyration
  • Moment of Inertia – typical bodies

 

MOTOR TORQUE AND FORCE

  • Gearing Ratio and Load torque
  • Peak and RMS Load Torque
  • Total Tractive effort
  • Torque at Wheel

 

ELECTRIC MOTORS

  • Construction
  • Working Principle
  • Types of DC Motors
  • Types of AC motors
  • Stepper Motors and its types
  • Linear motors
  • Solenoids

 

MOTOR SIZING AND SELECTION

  • Motor Sizing - Basic Procedure 
  • Motor Sizing - Robot motion profile
  • Motor Sizing - Inertia and Torque calculations
  • Motor Sizing – Peak Torque and Force
  • Motor Selection – Selection Steps

 

LOAD AND SYSTEM ANALYSIS

  • Load on Robots
  • Static and Dynamic overloading of Robot
  • Design and selection of robot manipulators
  • System load analysis
  • Loads and system analysis
  • Load parameters

 

POTENTIAL AND KINETIC ENERGY

  • Energy
  • Forms of energy
  • Unified energy required
  • Unified energy – PE/KE Calculation

 

ENERGY LOSSES

  • Ground friction
  • Gearing and Transmission losses
  • Air friction losses
  • Other losses
  • Losses due to operating patterns
  • Reducing Energy losses

 

EFFICIENCIES

  • Efficiency measures
  • Optimizing efficiencies
  • Energy requirements
  • Energy calculations

 

BATTERIES

  • Battery Voltage Rating
  • Battery Power Rating
  • Batteries in Parallel
  • Types of Batteries

 

ENERGY CONVERSION

  • Total energy of a system
  • Total energy equation of a system
  • Summary of energy conversion


 

Investment

Plan Name Investment
Unlimited Access for 2 Years: US$ 149

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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