The principle of operation of any electric motor is based on. It converts energy into a motion or force and can be powered by pressurized fluid. The welding is carried out, so you have number of welding robots which are. Professor of mechanical engineering and materials science university of pittsburgh 2017 fall term. Mechanical actuators convert the electrical input signal into a mechanical excitation force and may be used in combination with a separate radiator e. A system may be defined as a black box which has an input and an output. Some courses might have presentations or quiz papers uploaded, but rest of them just have transcripts which is pretty useless to refer as notes.
Nptel mechanical engineering videos video lectures, classes, courses, video clips, tutorials and video downloads from iits, mit, standford and other top educational institutions. Qingming wang professor of mechanical engineering and. This section contains free ebooks and guides on mechanical engineering some of the resources in this section can be. Department of mechanical engineering tube actuators. History has shown that advancements in materials science and engineering have been important drivers in the development of sensor technologies. For instance, the temperature sensitivity of electrical resistance in a variety of materials was noted in. A robot has many degrees of freedom, each of which is a servoed joint generating desired motion. Home category mechanical engineering mcq questions and answers introduction to sensors and actuators. They are often used in such applications as scanning tunnelling microscopes stms. Electrical actuators electrical actuator is an electromechanical device that converts electrical energy into mechanical energy. Nptel video lectures, iit video lectures online, nptel youtube. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses. Introduction to sensors and actuators mechanical engineering mcq questions and answers.
Lecture notes elements of mechanical design mechanical. Mechanical engineering video lectures from nptel, iit, mit. An actuator typically is a mechanical device that takes energy usually energy that is created by air, electricity or liquid and converts it into some kind of motion. Mechatronics concurrently employs the disciplines of mechanical, electrical, control and computer engineering at the stage of design itself.
Mechanical sensors form a class of sensors that are sensitive to changes in mechanical properties. Engineering mechanics nptel online videos, courses iit. Chapter 2 actuators and drive systems mit opencourseware. Lecture notes on mechatronics college of engineering and. This video lecture, part of the series robotics by prof. This section contains free ebooks and guides on mechanical engineering some of the resources in this section can be viewed online and some of them can be downloaded. Nptel courses in engineering, science, management, humanities and social sciences. Pdf the selection of mechanical actuators based on. They are sensors, actuators, controllers and mechanical components. Mohanty, department of mechanical engineering,iit kharagpur. Mechatronics is the synergistic combination of mechanical engineering, electronics, controls engineering, and computers, all integrated through the design process. Lecture 8 actuators electric, hydraulic, pneumatic youtube. Me631 mechanical vibration and condition monitoring 3025.
The actuator is a mechanical or electro mechanical device which is used to offer controlled, positioning and sometimes limited movements which are functioned manually, electrically, or by a variety of fluids like air, hydraulic, etc. Introduction in a typical closedloop, or feedback, control of. Mechanical engineering lecture notesall semesterfree. Nptel video lecture topic list created by linuxpert systems, chennai get digimat digital media access terminal for highspeed video streaming of nptel and educational video courses in lan. A linear actuator moves a load, which can be an assembly, components, or a finished product, in a straight line. Tie rod cylinders rotary actuators grippers rodless actuators with magnetic linkage or rotary cylinders rodless actuators with mechanical linkage. An actuator typically is a mechanical device that takes energy usually energy that is created by air, electricity or liquid and converts it into s. The course, in 40 lectures, discusses a wide range of related topics from the advantage and architecture of automation systems, measurement systems including sensors and signal. It presents current techniques, advanced theory and concepts, and addresses relevant design issues, component selection, and practical. In the last lecture, we have talked about traditional actuators. Chapter 2 actuators and drive systems actuators are one of the key components contained in a robotic system.
The selection of mechanical actuators based on performance indices article pdf available in proceedings of the royal society a 4531965. The combination of greater force and greater displacement yields more work potential for piston actuators than diaphragm actuators of equivalent size, since mechanical work is the product of force and displacement w fx. Mechanical sensor an overview sciencedirect topics. Nptel syllabus fundamentals of industrial oil hydraulics. And i am using like say an assembly robots or you can say welding robots to carry. Nptel video lecture topic list created by linuxpert. Department of mechanical engineering, university of sask atchewan, 57 campus drive, saskatoon, sk s7n 5a9, canada 3 2. Department of mechanical engineering sensors and actuators sensor examples. Diaphragm actuators enjoy the definite advantage of less friction than piston actuators. Lecture 7 electric actuators lecture 8 actuators electric, hydraulic, pneumatic lecture 9 internal state sensors. If you are not able to download lectures due to bandwidth constraints, you can obtain the courses in dvds by paying a nominal fee to cover the cost of storage media and distribution. A piezoelectric tube element with electrodes on its curved surfaces can be used as an actuator element. Most electric actuators operate through the interaction of magnetic fields and currentcarrying conductors to generate force. Applications some types of pneumatic actuators include.
Nptel video lecture topic list created by linuxpert systems. Kevin craig associate professor of mechanical engineering department of mechanical, aerospace, and nuclear engineering rensselaer polytechnic institute troy, ny 12180 office. Mechanical discipline is employed in terms of various machines and mechanisms, where as electrical engineering as various electric prime movers viz. Engineering system instrumentation, second edition provides users from a variety of engineering backgrounds with a complete overview of engineering system components for instrumentation. Whats the difference between pneumatic, hydraulic, and. Nptel provides elearning through online web and video courses various streams. Machinery fault diagnosis and signal processing by prof. Department of electrical engineering electronic systems sensors and actuators introduction to sensors sander stuijk s. In this guide, we will provide detailed explanations of the various types of actuators, their applications and uses throughout industry, considerations when selecting them, and the top suppliers, manufacturers, and distributors for sourcing the correct actuator for your project. Engineering mechanics nptel online videos, courses iit video lectures. Nptel mechanical engineering video lecture online study.
Lecture 86 piezoelectric devices university of pittsburgh. The actuator is a mechanical or electromechanical device which is used to offer controlled, positioning and sometimes limited movements which are functioned manually, electrically, or by a variety of fluids like air, hydraulic, etc. Majority of video courses on nptel do not offer lecture notes for download. Shantanu bhattacharya coordinating institute iit kanpur subtitles available unavailable lab session lab session lab session lab. Uses of fluid power include machine tools, offhighway vehicles, aviation control, material testing systems etc. The class of mechanical sensors includes a fairly large number of different sensors based on many principles, but the four groups of general sensors discussed here force sensors, accelerometers, pressure sensors, and gyroscopes cover most of the principles involved in the sensing of mechanical quantities either directly or indirectly. This channel contains technical lectures on mechanical engineering from seven indian institutes of technology iits and indian institute of science iisc. We begin with basic actuator characteristics and drive amplifiers to understand behavior of servoed joints. Mechanical components physically, a mechatronic system is composed of four prime components. Nowadays a lot of pneumatic actuation tools are being developed, studied and used in order to convert compressed gas energy to mechanical energy 1. If you have watched this lecture and know what it is about, particularly what mechanical engineering topics are discussed, please help us by commenting on this video with your suggested description and title.
The two necessary motions are rotary and linear, where linear actuators vary the power into straight line. Mechanical engineering lecture notesall semesterfree download. Me 515 mechatronics faculty of engineering, university of. How can i download notes directly in pdf format from nptel. Find materials for this course in the pages linked along the left. The motion can be rotary or linear, depending on the type of actuators. Introduction to robotics nyu tandon school of engineering. In combination with the micromachining technology, mechanical sensors such as cantilevers and acoustic sensors play an important role in molecular detection and many other biomedical applications. The elements offer good structural rigidity, but are more difficult to manufacture. An actuator is something that converts energy into motion.
Introduction in a typical closedloop, or feedback, control of a machine or a process, the controller. High precision and advanced actuators high precision and. Department of mechanical engineering lecture 1 introduction and transducer models. Rajiv tiwari department of mechanical engineering, iit guwahati. Nptel syllabus fluid power control web course course outline fluid power plays an important role in industry. Figure shows a schematic diagram of a mechatronic system integrated with all the above components. Me 515 mechatronics 11222006 3 22 november 2006 asanga ratnaweera, department of mechanical engineering 5 22 november 2006 asanga ratnaweera, department of mechanical engineering 6 dc motors the most common actuator in mechatronic systems is the direct current dc motor rotary actuators power range. Amarnath chitta, does not currently have a detailed description and video lecture title. Hotwire anemometers measure flow velocity microphones measure fluid pressure accelerometers measure the acceleration of a structure gas sensors measure concentration of specific gas or gases humidity sensor temperature sensors, etc. Different types of electric actuators and its applications. Nptel material is available for free on nptel website. Nptel gate courses for mechanical engineering online video. Types of the actuators actuators actuators actuator is something that converts energy into motion.
The two necessary motions are rotary and linear, where linear actuators vary the power into straight line motions, normal for positioning electrical. Actuators muscles and power electronics hardwarecomputer interfacing computer programming knowledgebase for robotics disciplines. This course is an advanced level course for ug students and early pg students of mechanical engineering. Nptel video lecture topic list created by linuxpert systems, chennai nptel video course mechanical engineering advanced manufacturing process for micro sytem fabrication subject coordinator dr. Modelling and control of dynamic electro mechanical system web. Introduction to mechatronics department of mechanical engineering, university of sask atchewan, 57 campus drive, saskatoon, sk s7n 5a9, canada 2 1. Nptel mechanical engineering video lecture online study material. Pneumatic actuator converts energy into mechanical motion. This course provides an overall exposure to the technology of industrial automation and control as widely seen in factories of all types both for discrete and continuous manufacturing.