Vibration Control Platform
January 18th, 2009
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Vibration Control Platform
Physics problem: Kinetics of Oscillation?
1. A vibration platform oscillates up and down with an amplitude of 11 cm at a controlled variable frequency. Suppose a small rock of mass m is placed on the platform. At what frequency will the rock just begin to leave the surface so that it starts to clatter?
I need you help asap please! =)
X = a * sin (2 PI F t)
displacement = 11 , a = 11/2
V = 2 pi f a cos(2 PI F t)
acceleration = - 4 * pi * pi* f^2 a Sin(2 PI F t)
Max acceleration, sin = -1 > 1 g
980.6 cm/s/s = 4 * pi^2* f^2
f = sqrt(980.6/4/pi^2)
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Vibration With Control $136.5 No Synopsis Available |
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Passive Vibration Control $1079.16 A comprehensive account concerning the vibration control of equipment and tools as well as sound. Addresses those passive means developed over the years to control and restrict the level of vibration which may be produced. The first section contains the background vibration theory essential to understanding the nature of structural vibration and the structural parameters on which vibration levels depend. The latter half is devoted to the three parameters which can be tuned: stiffness, mass and damping. Describes various methods of passive vibration control techniques. Results of the authors internationally renowned research on damping are included. Author: Meador, D. J./ Mead, Denys J./ Mead Binding Type: Hardcover Number of Pages: 554 Publication Date: 1999/02/03 Language: English Dimensions: 9.90 x 6.84 x 1.41 inches |
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Sunny SH0818 Mini Crazy Fit Vibration Platform Massager $285.99 Sunny Distributor Inc. located in Los Angeles U.S.A. is a professional importer of Health and Fitness products. Our products are imported directly from China and Taiwan. They guarantee to provide products with the lowest price and highest quality. Mini Crazy Fit is effective at promoting blood circulation. Increases joint mobility. Whole body vibration is the hottest and latest technology in fitness. Helps to firm and tone muscles. Movement simulates body s natural stretch reflex. Streamlined design. Variable speed settings. Stable running with direct current dynamo motor. Convenient for use at home office or for travel. Remote control. Dimensions: 25.5 D x 20 W x 9.5 H. |
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Model Predictive Vibration Control (Hardcover) $465.23 Real-time model predictive controller (MPC) implementation in active vibration control (AVC) is often rendered difficult by fast sampling speeds and extensive actuator-deformation asymmetry. If the control of lightly damped mechanical structures is assumed, the region of attraction containing the set of allowable initial conditions requires a large prediction horizon, making the already computationally demanding on-line process even more complex. Model Predictive Vibration Control provides insight into the predictive control of lightly damped vibrating structures by exploring computationally efficient algorithms which are capable of low frequency vibration control with guaranteed stability and constraint feasibility. In addition to a theoretical primer on active vibration damping and model predictive control, Model Predictive Vibration Control provides a guide through the necessary steps in understanding the founding ideas of predictive control applied in AVC such as: the implementation of computationally efficient algorithms control strategies in simulation and experiment and typical hardware requirements for piezoceramics actuated smart structures. The use of a simple laboratory model and inclusion of over 230 figures and illustrations provides readers with clear and methodical explanations, making Model Predictive Vibration Control the ideal support material for graduates, researchers and industrial practitioners with an interest in efficient predictive control to be utilized in active vibration attenuation. |
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Wireless Vibration Alarm with Remote Control $7.49 HighlightsSleep well at night or relax when you are away from your home, car, and other valuable belongings by installing this vibration sensor that guards against theft or burglary. This sensor can detect any slight vibration and movement within a few meters away and it automatically produces a 110 decibel warning sound that is sure to catch the attention of anyone nearby.Features Wireless Vibration Alarm with Remote Control Vibration alarm when it senses vibration, shaking, striking and moving Guard against thefts in house, cars and other wealth safety Over 110dB warning sound Continuous warning time: 40 seconds Red LED setting status indicator Power On/Off switch Remote control with armed/disarm buttons Remote control distance: up to 20 meters Easy installation and use Powered by 1 x 9V battery (not included) In retail packaging Net weight: 0.084kg Unit size: 8.9x5.5x2.9cm In retail packaging |
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PetSafe Vibration Bark Control Collar (PBC00-12789) $51.4 Vibration Bark Control Collar The Vibration Bark Control Collar offers 10 combination's of vibration correction. When the dog barks, vibration is delivered from one of the two Vibration Points. The duration of the vibration is random, which interrupts the dog's bark. Uses vibration to interrupt the dog's barking Durable and waterproof Three color LED for good/low battery and test indicators On/Off position for longer battery life Easy to use Uses PetSafe RFA-188 battery (included) Type: Bark Control |
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Vibration Dynamics and Control (Hardcover) $263.55 The book can be used not only as a reference, but also as a graduate-level text, as it develops the subject from its foundations and contains problems and solutions for each chapter. The book begins with a discussion of vibrations in linear systems with one degree of freedom, providing a mathematical and physical basis for the subsequent chapters. Linear systems with many degrees of freedom serve to introduce the modal analysis of vibrations as well as some useful computational procedures. The book then turns to continuous linear systems, discussing both analytical solutions that provide physical insights as well as discretization techniques that supply tools for actual computation. The discussion of nonlinear vibrations includes a treatment of chaotic vibrations and other new insights. The book concludes with detailed discussions of the dynamics of rotating and reciprocating machinery. This book includes modernized notation, both the classical approach to vibration and the modern approach through dynamical systems theory, and the most recent developments in the field. To make the material accessible to students, topics are covered in a number of small and concise chapters. |
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Vibration of Ship Structures and Its Control $160.91 The constant demand of building faster ships of lighter weight has resulted in the extensive usage of rib stiffened plates in ship constructions. At the same time, noise and vibration problems are encountered and often pose a great challenge for ship builders and vibroacoustic engineers. The problem has become even more prominent due to the stringent industry regulation. Because of the complexity of ship structures, the coupling of different wave types and multiple wave propagation paths, both active and passive control is ineffective in the control of global hull modes. Understanding of vibration characteristics, wave propagation and attenuation in such complex structures is vital for an effective noise and vibration control of ship structures. This book aims to disclose the mechanism governing wave propagation and attenuation in such structures as well as the control of ship structural vibration by binding together several specialized research topics in the field. Author: Lin, Tian Ran Binding Type: Paperback Number of Pages: 188 Publication Date: 2009/12/08 Language: English Dimensions: 5.98 x 9.01 x 0.43 inches |
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Mulitsport G6D GPower 6D Torrent Series Whole Body Vibration Training Platform $2858.7 Founded in 1986 with the purpose of wholesaling fitness retailers with free weight casting and bars. By 1992 with its initial entry into the Home Gym market with the MG1 an entry level home gym designed for the fitness specialty store. It was a big success for bigger and better things to come. Today they pride themselves in offering quality strength training and cardiovascular equipment. This ever growing commitment to quality fitness products includes home gyms free weight systems elliptical crosstrainers bikes weights and bars and much more. MultiSports GPower 6D Torrent Series Whole Body Vibration Training Platform. GPower is the next generation in whole body vibration training. The only product in the market with True Linear Vertical Motion. GPower enables users to experience the widest range of amplitudes from 130mm and frequencies from 1.5 30 Hz. GPower is a great solution for people who enjoy an active lifestyle' but do not have the time for a 45 minute workout three or more times a week. GPOWER offers a number of important benefits that will help you easily achieve and exceed your health and fitness goals. These benefits range from an immediate improvement in cardiovascular health' bone density' and blood circulation' to a variety of other measurable outcomes' such as increased muscle strength and power' better flexibility and range of motion' better core conditioning and stability' and faster recovery. GPOWER uses a true linear vertical motion to provide the most comfortable and natural workout' while increasing the electromyography (EMG) activation of muscles 813Percent more effectively than current WBV machines. Features:. All models come with: 1) Isometric Tension Straps 2) Remote Control. 7 Remote Control Frequency Settings. All platforms are inline with ISO 2631 (International Safety Organization) recommended GForce Levels for human tolerance of vibration. True |
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Mulitsport G1D GPower 1D Torrent Series Whole Body Vibration Training Platform $2563.65 Founded in 1986 with the purpose of wholesaling fitness retailers with free weight casting and bars. By 1992 with its initial entry into the Home Gym market with the MG1 an entry level home gym designed for the fitness specialty store. It was a big success for bigger and better things to come. Today they pride themselves in offering quality strength training and cardiovascular equipment. This ever growing commitment to quality fitness products includes home gyms free weight systems elliptical crosstrainers bikes weights and bars and much more. MultiSports GPower 1D Torrent Series Whole Body Vibration Training Platform. GPower is the next generation in whole body vibration training. The only product in the market with True Linear Vertical Motion. GPower enables users to experience the widest range of amplitudes from 130mm and frequencies from 1.5 30 Hz. GPower is a great solution for people who enjoy an active lifestyle' but do not have the time for a 45 minute workout three or more times a week. GPOWER offers a number of important benefits that will help you easily achieve and exceed your health and fitness goals. These benefits range from an immediate improvement in cardiovascular health' bone density' and blood circulation' to a variety of other measurable outcomes' such as increased muscle strength and power' better flexibility and range of motion' better core conditioning and stability' and faster recovery. GPOWER uses a true linear vertical motion to provide the most comfortable and natural workout' while increasing the electromyography (EMG) activation of muscles 813Percent more effectively than current WBV machines. Features:. All models come with: 1) Isometric Tension Straps 2) Remote Control. 7 Remote Control Frequency Settings. All platforms are inline with ISO 2631 (International Safety Organization) recommended GForce Levels for human tolerance of vibration. True |
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Wireless Remote Control Vibration Receiver $12.79 HighlightsWireless control.You can control the receiver with transmitter (remote control) from any place within a reliable distance, the wireless signal can pass through walls, floors and doors.Reliable control: The transmitter (Encoding) and the receiver (Decoding) use an 8-bit code.One/several transmitters can control one/several receivers simultaneously.If you use two or more receivers in the same place, you can set them with different codes.Transmitting Frequency: 315MHzVibration Receiver:Mode: VibrationDecode: Fixed code by SolderingPower Supply (Operating Voltage): AAA 1.5V BatteryTransmitter:Channel: 1 CHRemote Control Distance: 100m / 300ft (theoretically)Encode: Fixed code by solderingPower Supply: 1 x 27A -12V battery SpecificationsShipping Weight(kg): 0.0548Dimension(cm): 8.5 x 7 x 1.5 Package Contents 1 Vibration Receiver1 Remote Control |
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Sexy Toy Body Massager with Vibration Strength Control $11.11 ? - Made of non-toxic silicone material - Easy to use and operate - With vibration strength control - High strength vibration function and mute design - Powered by 2 x AA batteries (not included) - Size: 3.5cm x 12cm |
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Mulitsport G6 GPower 6 Velocity Series Whole Body Vibration Training Platform $4288.7 Founded in 1986 with the purpose of wholesaling fitness retailers with free weight casting and bars. By 1992 with its initial entry into the Home Gym market with the MG1 an entry level home gym designed for the fitness specialty store. It was a big success for bigger and better things to come. Today they pride themselves in offering quality strength training and cardiovascular equipment. This ever growing commitment to quality fitness products includes home gyms free weight systems elliptical crosstrainers bikes weights and bars and much more. MultiSports GPower 6 Velocity Series Whole Body Vibration Training Platform. GPower is the next generation in whole body vibration training. The only product in the market with True Linear Vertical Motion. GPower enables users to experience the widest range of amplitudes from 130mm and frequencies from 1.5 30 Hz. GPower is a great solution for people who enjoy an active lifestyle' but do not have the time for a 45 minute workout three or more times a week. GPOWER offers a number of important benefits that will help you easily achieve and exceed your health and fitness goals. These benefits range from an immediate improvement in cardiovascular health' bone density' and blood circulation' to a variety of other measurable outcomes' such as increased muscle strength and power' better flexibility and range of motion' better core conditioning and stability' and faster recovery. GPOWER uses a true linear vertical motion to provide the most comfortable and natural workout' while increasing the electromyography (EMG) activation of muscles 813Percent more effectively than current WBV machines. Features:. All models come with: 1) Isometric Tension Straps 2) Remote Control. 7 Remote Settings/20 Manual Control Settings for Frequency. All platforms are inline with ISO 2631 (International Safety Organization) recommended GForce Levels for human tolera |
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Active Control of Vibration $118.13 No Synopsis Available |
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FlexiVibe-004D
Basic Burglar Alarm - The Basic Platform For Unlimited Innovation…
Disaster and security alarms are not new to many people. These equipments are already available and are being continuously innovated.
These warning instruments are found usually in business firms. The reason for installing these devices is for safety of properties against disasters like fire and attempted burglary
Jewellery shops and Banks are examples where high security is needed. By using these alarms security is obtained. In fact, their insurance companies force them to have the complex and the most effective burglar alarm that the firm could have. For higher security the burglar alarm used must be more complex.
Burglar alarms which are installed in houses uses the alarm system's principle. Alarms can make sound when condition is met with, due to electrical flow. For instance, for close circuit alarm, while the doors open, the flow of current activates the alarm in contrary to open circuit alarms which alarm when current is cut.
There are three main equipments in a burglar alarm. These are I) the control panel, ii) signalling device and iii) detectors. These are interconnected to work as needed. There are other systems which uses infrared, radio frequency etc such that it connects one part with another. Those systems which use radio receivers and transmitters are called the wireless systems.
Control Panel
It is the main processing unit of the system. That is where one can program the system such that it works according to the particular specifications of the building or home. You can reset, turn on or turn off the alarm system there. Control panel is accessed using keypad remotes. Specifications of control panel might differ depending on the design and prerogative of the manufacturer. Detector zones can also be programmed in control panel so that when the detector gets unusual frequencies, the brain accesses it and make the alarm sound. The control panel also has a memory chip which can store the user settings. It'll be present in the product's brochure or in the user's manual.
Signalling Devices
These alarms make sounds whenever there is need. It may use a bell, a chime or a buzzer. The alarm that is used is loud enough such that it can cause panic. Now-a-days, sounders are partnered with strobe which is a special lighting device. This consists of a lamp that is mounted such that it rotates when the alarm sounds. Most common colours which are used for strobes are yellow, red and blue. Telephone relays or Speech diallers may also be part of this equipment.
Detectors
They are also known as sensors. These are used for reporting movements that are unusual to control panel. These are of several types. Some commonly used detectors are:
• Magnetic Contact Detectors - it is usually mounted in doors and windows. These are mounted at the edge of windows and doors.
• Infrared Detectors (passive) - these are used to detect unusual irregularities or motions in the place. These can detect smoke and temperature changes.
• Vibration sensors - these are more sensitive than magnetic contact detectors since a small vibration from door or window could be interpreted by it as unusual and trigger the control panel to alarm.
About the Author
Abhishek is a Home Security expert and he has got some great Home Security Secrets up his sleeve! Download his FREE 104 Pages Ebook, "Home Security Made Easy!" from his website http://www.Survival-Today.com/116/index.htm . Only limited Free Copies available.
Posted in Shure m44 7 | 
Tags: control platform, stereo, vibration control, vibration control platform