Alignment of optical systems, optical autofocus cameras, video camera gimbal supportstabilisation. The mechanism, the travelingwave ultrasonic motor twusm was invented by t. The name of an ultrasonic motor was named from the frequency of the voltage that is exceeding peoples audible sound region. Ultrasonic motor report, ultrasonic motor ppt download, ultrasonic motor pdf, ultrasonic motor technology, ultrasonic motor fundamentals, ultrasonic motor. The ultrasonic motor, invented in 1980, utilizes the piezoelectric effect in the ultrasonic frequency range to provide its motive force, resulting in a motor with unusually good lowspeed, hightorque and powertoweight characteristics.
Conclusions first, recent market of the ultrasonic motor is described. The motor is first type of the present ultrasonic motor. The control pwm pin of servo motor is connected to digital pin d9 of arduino. This finishes up the build process of the smart dustbin. To determine the feasibility of leadfree piezoceramics for ultrasonic motor applications, we fabricated a ringtype piezoceramic with a knnbased leadfree piezoceramic referred to as cz5. Ultrasonic motors, which have superior characteristics like high torque at low speed, the absence of magnetic interference, and. Jun 25, 2015 transducer seminar and ppt with pdf report. Today, ill discuss the basic introduction to hcsr04 ultrasonic sensor. The standing wave motor, on the contrary, has one or a few defined contact points. This page contains transducer seminar and ppt with pdf report.
Piezo inertia drives inertia drives are spacesaving and lowcost piezobased drives with relatively high holding forces and a travel range that is only limited by the length of the runner. Imagine two canoes crossing a river on the same diagonal line, one with the flow and the other against the flow. An ultrasonic motor is a type of electric motor powered by the ultrasonic vibration of a component, the stator, placed. How ultrasonic sensors work ultrasonic sensors use sound to determine the distance between the sensor and the closest object in its path. Ultrasonics, vibrations of frequencies greater than the upper limit of the audible range for humansthat is, greater than about 20 kilohertz. The stator of an ultrasonic motor that is excited by piezoelectric elements in ultrasonic frequency range develops different kinds of vibrations depending on its structure. Seminar ultrasonic test ppthenan mining machinery co. This introduction to the general theory of the ultrasonic motor was written by the motors inventor and an expert in conventional electric motors. Ultrasonic sensor provides an easy way in distance measurement. Ppt distance measurement by ultrasonic sensor powerpoint.
In short, an ultrasonic sensor is not at all appropriate for this purpose but if it were used it would be ceiling mounted to protect it from moisture, oil and dirt. Ultrasonic motors, which have superior characteristics like high torque at low speed, the absence of magnetic interference, and compactness in size, are good candidates for. Ultrasonic motors are characterized by the absence of dissonance during operation, high. Ultrasonic motorseminar pptslidesreporttopicspdfdoc. It sends the angular information to servo motor on which the motor rotates and sensor works as per that directions. The transittime differential measurement is based on a simple physical fact. Hypersound, sometimes called praetersound or microsound, is sound waves of frequencies. An introduction to ultrasonic motors toshiiku sashida. Ultrasonic testing is a very versatile inspection method, and inspections can be accomplished in a number of different ways. Custom highforce ultrasonic piezo motors can provide forces to 50n.
This motor achieves high speed and drive forces,while still permitting the moving part to be positioned with high accuracy. Miniactivity 2 on a separate sheet of paper, provide a stepby. Motor is a device that converts electrical energy to mechanical energy. Conversion of electric energy into motion by inverse piezoelectric effect. The piezoelectric stator structure is the same for all of these motors. Regulation of gas or liquid flows, adjustments of equipment seats, head rests, ergonomic devices, screens, silent lockingunlocking luminous flux control. Introduction to hcsr04 ultrasonic sensor the engineering. Ultrasonic motors made with piezoelectric crystal whose efficiency is insensitive to size are superior in the minimotor area. This introduction to the general theory of the ultrasonic motor was written by the motor s inventor and an expert in conventional electric motors. Ultrasonic motor seminar report with ppt and pdf study mafia. It is an ultrasonic sensor, also known as an ultrasonic transducer that is based on a transmitter and receiver and mainly used to determine the distance from the target object.
Ultrasonic motors are characterized by the absence of dissonance during operation, high torque weight ratio, highly exact speed and location control etc. As we connect the module to 5v and initialize the input pin, it starts transmitting the sound waves which then travel through the air and hit the. The ultrasonic motor is subjected to the limitations of the piezoelectric ceramics. In addition to the use of the principle in lenses, canon also offers a. It is a very simple design as the project involves only two. Ultrasonic motors use piezoelectric effect and hence no magnetic interference. Mechanical devices include gasdriven, or pneumatic, transducers such as whistles as well as liquiddriven transducers such as hydrodynamic oscillators. Kerr issue 1 january 4, 2011 abstract many lenses in canons ef series have autofocus drive systems described as ultrasonic motor usm systems.
The following image shows the circuit diagram of the smart dustbin using arduino. Measurement using ultrasonic sensors is one of the cheapest among various options. In general we are aware of the fact that the motive force is given by the electromagnetic field in the conventional motors. Ultrasonic motor working the vibration is induced into the stator of the motor, and it is used for conveying the motion to the rotor and also to modulate the frictional forces. Ultrasonic flow meters working principle instrumentationtools. There are actually a number of different systems in this classification. This kind of measurement is particularly applicable to inaccessible areas where traditional means cannot be implemented such as high temperature, pressure zones etc. Oct 03, 2018 all the wires from both the components i. Ultrasonic sensor and servo motor are connected to respective pins of arduino. As the ultrasonic motor does not use coil or magnets as its driving force, it does not generate magnetism. There are several basic types, classified by the energy source and by the medium into which the waves are being generated. Distance measurement of an object or obstacle by ultrasound. It is shown that the measured and calculated results agree well by taking the nonlinearity of the stators vibration into account.
In this video, iam going give you information about ultrasonic motor. In a travelling wave motor, the contact points shifts along the motion direction, constantly pushing the slider forward. All the images used are to the owners of the respective websites mentioned in the. Hence, servo motor is used to open the cap of dustbin. Ultrasonic motor seminar report with ppt and pdf bidirectional motor. Jun 23, 2015 ultrasonic motor seminar and ppt with pdf report.
Ultrasonic motor construction tends to be simpler than em type motors. In the direct method any physical quantity like duration, mass, etc are calculated directly by some instruments like the measuring tape, weighing scale etc. May 02, 2015 in this video, iam going give you information about ultrasonic motor. Also get the seminar topic paper on ultrasonic motor with abstract or synopsis, documentation on advantages and disadvantages, presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2016 2017. We have provided ultrasonic motor seminar and ppt with pdf report. Ppt ultrasonic testing powerpoint presentation free to. Blind from the eyes but the vision is sharper than humans, ultrasonic ranging is the technique used by bats. Ultrasonic flow meters operate using the transittime differential method. Get ultrasonic motor seminar report and ppt in pdf and doc.
Transducer seminar ppt with pdf report study mafia. Smart dustbin using arduino uno engineering projects. Lvdts find uses in modern machinetool, robotics, avionics, and computerized manufacturing. Piezoelectric ultrasonic motor technology working and applications ultrasonic motors were invented in 1965 by v. The transittime differential measurement is based on a simple physical fact imagine two canoes crossing a river on the same diagonal line, one with the flow and the other against the flow. It is designed to measure the distance of any object by using an ultrasonic transducer. Ultrasonic motor full seminar reports, pdf seminar abstract, ppt, presentation, project idea, latest technology details, ask latest information. Ultrasonic inspection techniques are commonly divided into three primary classifications. Ultrasonic motors differ from piezoelectric actuators in several ways, though both typically use some form. Distance sensing with ultrasonic sensor and arduino.
Use the computer to program the nxt brick so that it plays one music when an object is close to it less than 10 inches, and keeps the motor turning. If the object is farther than 10 inches, have the program stop. An ultrasonic motor is a type of electric motor powered by the ultrasonic vibration of a component, the stator, placed against another component, the rotor or slider depending on the scheme of operation rotation or linear translation. Wireless charging of mobile phones using microwaves pdf. Ultrasonic motor eee engineering seminar report,pdf,ppt,doc. The motors vibrations create alternating stresses in the ceramic elements which can result in fatigue failure. An ultrasonic motor is a type of electric motor formed from the ultrasonic vibration of a component, the stator being placed against another, the rotor depending on the scheme of operation. Electromagnetic motor has high input to output energy loss ratios. Ultrasonic motor full seminar report, abstract and presentation. The amplification and micro deformations of active material are utilized for generation of the mechanical motion. Huge list of latest ieee seminar ppt,seminar reports,papers, ppt topics and general seminar topics, pdf, doc and presentation ideas for b. Piezoelectric ultrasonic motor technology and applications. The ceramic is strong in compression but weak in tension, with respective failure limits in the ratio 30.
The term sonic is applied to ultrasound waves of very high amplitudes. Ultrasonic piezomotors dispense with the mechanical complexity of classical rotary motorgearleadscrew combinations in favor of costs and reliability. Pdf ringtype rotary ultrasonic motor using leadfree. Pdf ringtype rotary ultrasonic motor using leadfree ceramics. Explore ultrasonic motor with free download of seminar report and ppt in pdf and doc format. Ultrasonic piezomotors dispense with the mechanical complexity of classical rotary motor gearleadscrew combinations in favor of costs and reliability.
It is very useful for accurate distance measurement of the target object and mainly works on the sound waves. Ultrasonic motors made with piezoelectric crystal whose efficiency is insensitive to size are superior in the mini motor area. The standing wave motor, on the contrary, has one or a. Electromagnetic motors current carrying conductor kept in a magnetic field experiences a force or torque faradays law of emi. The ultrasonic sensor echo pin and trigger pin is connected to pin digital pin d7 and d8. If you want to download the ultrasonic motor ppt then simply click the link given below. A kind of electric motor designed from the ultrasonic vibration of components such as stator and rotor is known as ultrasonic motor. The hcsr04 ultrasonic us sensor is an ultrasonic transducer that comes with 4 pin interface named as vcc, trigger, echo, and ground.
Ultrasonic sensors are essentially sound sensors, but they operate at a frequency above human hearing. It can be used to optimize the control method of the ultrasonic motors. Figure 1 shows the basic construction of ultrasonic motors, which consist of a highfrequency power supply, a vibrator and a slider. From the way of creating an elliptical motion on the stator, ultrasonic motors were classified into two major groups, such as standing wave and traveling wave types. However, the dimensions of the motor are reduced by almost 50 percent. Positional sensors linear variable differential transformers lvdts the linear variable differential transformer lvdt is an accurate and reliable method for measuring linear distance. Get more information about ultrasonic motor ppt free download by visiting this link. Aug 11, 2014 the stator of an ultrasonic motor that is excited by piezoelectric elements in ultrasonic frequency range develops different kinds of vibrations depending on its structure. Piezoelectric motors applications adjustment and locking. Ppt ultrasonic motor powerpoint presentation, free. Ultrasonic means of distance measurement is a convenient method compared to traditional one using measurement scales. Motor device that converts electrical energy to mechanical energy. The canoe moving with the flow needs much less time to reach the opposite bank. Nov 15, 2015 the ultrasonic motor is subjected to the limitations of the piezoelectric ceramics.
Abstract distance measurement of an object in the path of a person, equipment, or a vehicle, stationary or moving is used in a large number of applications such as robotic movement control, vehicle control, blind mans walking stick, medical applications, etc. Ultrasonic motors differ from piezoelectric actuators in several ways, though both typically use some form of piezoelectric material, most often lead zirconate. An ultrasonic transducer is a device used to convert some other type of energy into an ultrasonic vibration. Ultrasonic motor, piezo motors, ultrasonic piezo motor. Ultrasonic motor powerpoint pdf linkedin slideshare. The flexible ultrasonic motor prototype achieved a translation at a speed of 120 mms and demonstrated a force of 0. Ultrasonic motor rotates using modification when voltage is applied to piezoelectric ceramics. This technology offers a high powertoweight ratio combined with high efficiency for ultrasonic motors or piezoelectric motor.
We have uploaded the ultrasonic motor ppt report with illustrated images. Moreover, a single driving source can excite two bending modes at the same time, thus generate a wobble motion. Global ultrasonic motor market is classified on the basis of product type, motor rotation, shape of vibrator, applications, distribution channel and geography. Ultrasonic motor eee engineering seminar report,pdf,ppt. Also explore the seminar topics paper on ultrasonic motor with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2015 2016. Piezoelectric motor ultrasonic motor tekceleopatented wavelling piezomotors technology uses piezoelectric or ultrasonic progressive wave principle.
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