Manual actuators manual actuators manual actuators are used in applications that require a throttling type of control valve that can be manually operated and set. Nptel online videos, courses iit video lectures well organized. Surface profilometry and physical vapour deposition. Manual actuators are used in applications that require a throttling type of control valve that can be manually operated and set. Introduction to process control actuators actuators are the final elements in a control system. Introduction to pneumatics and pneumatic circuit problems for fpef trainer fluid power education foundation 3333 n. They receive a low power command signal and energy input to amplify the command signal as appropriate to produce the required output. Smart material, adaptive structures and intelligent mechanical systems iitk. Chapter 2 actuators and drive systems actuators are one of the key components contained in a robotic system. Agashe, department of electrical engineering,iit bombay.
Linear actuators, hydraulic actuators, pneumatic actuators, and vacuum actuators. Lesson objectives after learning the lesson students should be able to describe the major types of direction control valves, their construction, operation and. The tutorial is of interest to any student studying control systems and in particular the ec module d227 control system engineering. They are used for alternative movements with a limited rotation angle. Working principle of pneumatic actuators pneumatic actuators use instrument air pressure to apply force on the diaphragm to move the valve actuator and then to position valve stem. Sensors and actuators computer controlled systems continually monitor the operating condition of todays vehicles. A highly unique and reliable means for operating ball, butterfly or plug valves along with louvers, dampers and other 90 degree rotating mechanisms, the gseries carries an industry. The hydraulic rotary actuator is a device which transform hydraulic power pressure and flow in mechanical power. This section contains lecture notes for the course in the form of chapters. Sensors and actuators ideally, actuators impose a state on a system that is independent of the load applied to them. Lecture 8 actuators electric, hydraulic, pneumatic. Introduction to pneumatics and pneumatic circuit problems. Manual valve operation is possible using the handwheel, available as standard.
Amarnath chitta, does not currently have a detailed description and video lecture title. For the love of physics walter lewin may 16, 2011 duration. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Gseries pneumatic and hydraulic actuators provide the latest in valve actuation design. Actuators are used in many types of automotive applications, including, but not limited to. Introduction to transducers, introduction to transducers. 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. To prevent heat damage from overwork or excessive current draw, electric actuator motors are usually equipped with a. Introduction to pneumatics and pneumatic circuit problems for. Actuators are devices used to produce action or motion. Operates at the lowest level in the fieldbus hierarchy asi is designed primarily for binary onoff sensors and actuators although analogue elements are also easily incorporated. Nptel courses in engineering, science, management, humanities and social sciences. Introduction to robotics, industrial robots, actuators electric, hydraulic, pneumatic.
The goal of the book is to provide a comprehensive overview of the properties, applications, and potential applications of traditional and unconventional actuators, together with their corresponding power electronics. Lecture 8 actuators nptel engineering video lectures. The actuators can be controlled manually ie a technician pushing a buttonswitch or by. Nptel gate courses for mechanical engineering online video. Table 1 comparison of pneumatic, hydraulic, and electric actuators electric actuators convert electric power into mechanical power.
Lecture series on industrial automation and control by prof. The following photograph shows a cutaway control valve, with a pneumatic diaphragm actuator mounted above the valve body. Since actuator force is a function of fluid pressure and actuator area f pa, this means piston actuators are able to generate more force than diaphragm actuators of the same diameter for example, a 14 inch diaphragm operating at a maximum pressure of 35. Mohanty,department of mechanical engineering,iit kharagpur. Introduction in a typical closedloop, or feedback, control of a machine or a process, the controller. Lecture notes on some topics will be provided by the instructor pallasareny. Industrial automation and control nptel online videos. Mar 26, 2015 machinery fault diagnosis and signal processing by prof. Actuators actuators actuators displays displays actuators actuators actuators vri, uur 7 8 pt 6. Nptel video lectures, iit video lectures online, nptel youtube lectures, free video lectures, nptel online courses, youtube iit videos nptel courses.
In reality, this can never be achieved for a transducer with finite energy, because there will always be a load which exceeds its energy handling ability. Guide to notes on system software pdf download nptel video lecture. Up next lecture 8 actuators electric, hydraulic, pneumatic duration. Control engineering nptel online videos, courses iit. The motor can be of various voltages and is the primary torquegenerating component. Lecture 8 actuators electric, hydraulic, pneumatic youtube. This courses aims at providing the student the fundamental knowledge of the various subdisciplines such as kinematics, dynamics, controls, sensors, actuators. Mukhopadhyay, department of electrical engineering, iit kharagpur. Open access free for readers, with article processing charges apc paid by authors or their institutions.
The first objective of this course is to understand basics of sensors, actuators and. A robot has many degrees of freedom, each of which is a servoed joint generating desired motion. Presently, microinductors are fabricated as spirals or square spirals in 2d layouts, as shown below. Pdf introduction to piezoelectric actuators and transducers. This provides the most efficient and economical pneumatic valve operation for any combination of process requirements and available air pressure. Electric actuators introduction basics of operation an electric actuator is basically a geared motor. Asi is an open, widelyused, vendorindependent standardised solution. 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. Autoplay when autoplay is enabled, a suggested video will automatically play next. Search by nptel course id, course name, lecture title, coordinator. Sensors and actuators introduction to sensors sander stuijk s. Journal of sensor and actuator networks an open access.
Robotics nptel online videos, courses iit video lectures. Through sensors, computers receive vital information about a number of conditions, allowing minor adjustments to be made far more quickly and accurately than mechanical systems. Describe the construction and working of doubleacting cylinders. Lecture notes introduction to robotics mechanical engineering. Lecture 12 hydraulic actuators learning objectives upon completion of this chapter, the student should be able to. 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 conditioning, discrete and. Aug 17, 2004 authored by a team of acknowledged experts, this book presents a multidisciplinary view of the state of the art in the field of actuators. Lecture 8 actuators electric, hydraulic, pneumatic lecture series on robotics by prof. We begin with basic actuator characteristics and drive amplifiers to understand behavior of servoed joints. Your browser does not currently recognize any of the video formats available. Chapter 2 actuators and drive systems mit opencourseware. An electric linear actuator is a combination product consisting of a linear mechanism and an electric motor, and when preassembled offers an easier design, shorter installation time, and high quality. The following table provides a qualitative comparison among these types of actuators. Nptel mechanical engineering modeling and control of dynamic electro mechanical system.
Mechanical actuators convert the electrical input signal into a mechanical excitation force and may be used in combination with a separate radiator e. Method for calculating moment loads on linear actuators. For most parker autoclave engineers valve series there is a choice of two or more actuator designs. Electric actuators electric actuators are equipped with an electric motorgearbox combination, particularly developed for valve automation, providing the torque required for operating the moving elements of gate or butterfly valves as well as ball and globe valves. Types of the actuators actuators actuators actuator is something that converts energy into motion. On completion of this tutorial, you should be able to do the following. Lesson 27 directional control valves, switches and gauges version 2 ee iit, kharagpur 2. 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. Piston actuators generally have longer stroke lengths than diaphragm actuators, and are able to operate on much greater air pressures. Mechanical attachments actuators to a valve are usually either electrically or pneumatically operated.
Actuators are mechanical or electromechanical devices that provide controlled and sometimes limited movements or positioning which are operated electrically, manually, or by various fluids such as air, hydraulic, etc. Inputmainly electrical signal, air, fluids electrical signal can be low power or high power. This hydraulic actuator system nptel pdf file is registered in our database as smvlpimpcz, having file size for around 234. This video lecture, part of the series robotics by prof. Qingming wang professor of mechanical engineering and. Nptel provides elearning through online web and video courses various streams. Applications range from simple low power switches to high power hydraulic devices operating.
Pandya is an assistant p rofessorof electronic systems inengineering, the department division of electrical sciences, iisc where bangalore he is heading an. Instrumentation and control tutorial 2 electric actuators this is a stand alone tutorial on electric motors and actuators. Capable of giving precise manual throttling control, these actuators can be used on nearly all standard globestyle or anglestyle valve body assemblies. The simplicity of construction of our actuators allows to obtain very high mechanical efficiency value in. Working principle of pneumatic actuators parts of pneumatic.