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Please note: Still adding content. Thanks for your patience!Last update: September 2023Building on the knowledge you gained in the Analog Electronics and Digital Electronics modules, you'll open even more doors to diverse careers and hobbies by learning how to physically move robots and mechatronics. Robotic drives and physics are intimately intertwined - almost the same topic in fact. And think about all the things around you that are moved or operated automatically: from the furnace and air handlers in your office building, to so many functions in your car, and then the booming robotics field in industry, mass production, even entertainment! People are needed who understand how those robots work in order to design, install, program and maintain those robots. Maybe you're interested in building a submarine robot to dive to shipwrecks or places normally unreachable by humans. We'll actually look at a real-world case study and use our new-found knowledge of physics to design a submarine robot to operate at depths of 600 meters or more. Or perhaps you are just interested in competition robotics like the gladiator-style battle robots which go head-to-head to destroy each other. 3D printers (of which we design and build one in course 4) are essentially robots! All of these topics involve a good understanding of robotic drive systems and physics which you will learn in this course.With over 45,000 students enrolled in the first two courses in the "Robotics: Learn by building" series, more than 3,200 five star ratings in the first course alone, students aged 8 to 60+ have enjoyed the course series and its projects.No prior knowledge of mechanics, physics or robotics is needed. You will need a good understanding of electricity & electronics and digital control and some basic math. If you have completed course 1 "Electricity and Electronics" and course 2 "Digital Electronics" you have the background you need as we will be using those skills in this course to drive different kinds of electric motors. All courses have captions for the hearing impaired. Course materials:You will need the analog electronic parts and a breadboard, which you can purchase as an accompanying kit (i.e., the Analog Electronics Kit from module I) or provide your own, as well as the parts from the digital electronics kit (i.e., the Digital Electronics Kit from module II) or provide your own Arduino controller board and some logic-level, high power MOSFET's.You will also need the Robotic Drives & Physics Experimenter's kit which again you can purchase as an accompanying kit or provide your own parts. The first lesson is a walk-through of what is in the kit and acts as a parts list for this module.This series of "Robotics: Learn by building" modules has an end-goal focus on the diverse field of robotics. In module I we learned the basics of electricity and electronics. In this module II you further developed your knowledge and skills to include digital electronics and practice your skills on real-life digital components. In this third course you will learn physics principles (from simple to very complex) with a specific goal of understanding and even designing your own drive systems for robots. You will learn details about different robotic drive systems you will see in commercial, industrial robots like how timing belt drives work and why they are so important in robotics, as well as the more esoteric drives like the harmonic drive - what it is an how that amazing system works.We will even look at a real-life case study as we design a submarine robot, remotely operated and able to withstand the bone-crushing operating depths of over 600 meters minimum. The unique challenges we will face will build up your knowledge so that you too can design sea-floor robots facing harsh environments to perform inspection, welding or maintenance on submarine pipes or cables.This course is the prerequisite for the module IV course where you'll learn prototyping skills, and gain a wide variety of knowledge and skills so you can actually build your own robots and manufacture your own parts. In module IV, you'll culminate all you've learned so far as you build a 3D printer from scratch, hook it up to a desktop computer and make your own plastic parts. The 3D printer is, in effect, a robot which you can then use to make parts for your other robot designs. In module V you can take your robot design and construction skills to the next level with a hands-on approach to autonomous robotic systems: learning about various sensors to know where you are and what your robot is doing, GPS navigation, basic artificial intelligence, powerful microchips known as FPGA's where you literally design a custom circuit on the chip, vision systems and more.Lesson overview:In this course we'll be covering:Simple machines (which all come into play in surprising ways you probably haven't seen before)Designing an arm robotThe toggle mechanism (again, comes into play in a ridiculous number of surprising ways you probably haven't seen before)harmonic drives, cycloidal drives, epicyclic drives, traction drivesstrength of materials & construction challengecase study: design challenges of a deep-submarine, remotely operated vehiclehydraulics & pneumatics (including building your own)air & hydraulic muscles, muscle wire servos (speed, pressure, force, position, etc...)DC motors, BLDC motors, BLDC servo motors, stepper motors, AC motors, AC servo motors, single and three phase power, electrical generationfrequency drives, PWM AC signal generationregenerative / rheostatic / dynamic braking, looking at electric vehicle design and locomotive designcounter-force systems you will encounter in industrial robotssafety around robot systems, in industry and hobbyrobot designs: articulated arm, gantry, spine, collaborativecase study: combat robotsand more!

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