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Summary of Contents for Quanser Shake Table II
- Page 1 USER MANUAL Shake Table II Set Up and Configuration CAPTIVATE. MOTIVATE. GRADUATE.
- Page 2 Fax: +1-905-940-3576 Printed in Markham, Ontario. For more information on the solutions Quanser Inc. offers, please visit the web site at: http://www.quanser.com This document and the software described in it are provided subject to a license agreement. Neither the software nor this document may be used or copied except as specified under the terms of that license agreement.
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Page 3: Table Of Contents
CONTENTS Presentation Components Nomenclature Description Specifications System Setup Cable Nomenclature Connections Mounting the Shake Table II Maintenance X-Y Shake Table II Configuration Mounting the Shake Tables Cable Connections Troubleshooting Technical Support v 3.1 STII User Manual... -
Page 4: Presentation
1 PRESENTATION The Quanser Shake Table II (STII) shown in Figure 1.1 is an instructional shake table device that was originally developed for the University Consortium on Instructional Shake Tables (UCIST). It can be used to teach structural dynamics, vibration isolation, feedback control, and various other topics for mechanical, aerospace, and civil engi- neers. - Page 5 Figure 1.2: Interaction between main Shake Table II components v 3.1 STII User Manual...
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Page 6: Components
Table 2.1: Components 2.2 Description 2.2.1 Stage The top stage on the Shake Table II is shown as ID #1 in Figure 2.1. It is 18 × 18 inch , or 45.7 × 45.7 cm , and 9.7 mm thick. The stage has many screw holes that can be used to mount structures and other objects, e.g., Quanser Active Mass Damper. - Page 7 2.2.8 Accelerometer A dual-axis ADXL325 accelerometer is mounted underneath the stage of the Shake Table II to measure the acceler- ation of the stage in both the x and y directions. It is shown with ID #15 label in Figure 2.1. The sensor has a range of ±10 g and its noise, in the operating range of the shake table, is approximately ±5.0 mV, i.e., ±5.0 mg.
- Page 8 (a) Top View (b) Top Corner View Figure 2.1: Shake Table II Components STII User Manual...
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Page 9: Specifications
3 SPECIFICATIONS Table 3.1 lists and characterizes the main parameters associated with the Shake Table II. Symbol Description Value Motor armature resistance 2.94 Ω Motor armature inductance 6.16 mH Motor current-torque constant 0.36 N-m/A Motor back-emf constant 0.224 V/(rad/s) Ball screw pitch 0.0127 m/rev [0.5 in/rev]... -
Page 10: System Setup
3. Shake table plant: Quanser Shake Table II. See the corresponding documentation for more information on these components. The cables supplied with the Shake Table II are described in Section Section 4.1 and the procedure to connect the above components is given in Section 4.2. -
Page 11: Connections
Table 4.1: Cables used to connect the AMPAQ-PWM to a Quanser DAQ and experiment 4.2 Connections This section describes how to connect the Shake Table II, AMPAQ-PWM, and DAQ. The connections are illustrated in Figure 4.1. The cable numbers shown in Figure 4.1 correspond to the cable numbers listed in Table 4.1. - Page 12 8. Connect the DB15 to DB15 cable (cable number 4) from the From Device connector on the AMPAQ-PWM to the To Power Module connector on the Shake Table II, ensuring that the screw locks are fastened at both ends. This cable carries the three limit switch signals, the motor Hall effect signals, and the motor encoder signals.
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Page 13: Mounting The Shake Table
Caution: The Shake Table II should be mounted on a stable platform or floor prior to operation. The top plate of the Shake Table II can be used to mount the Quanser AMD-1 and AMD-2 structures as well as custom ones. The dimensions of the top plate are shown in Figure 4.3. Use the screw holes to securely mount the structure on the shake table system. - Page 14 Figure 4.2: Dimensions of Shake Table II base plate STII User Manual...
- Page 15 Figure 4.3: Dimensions of Shake Table II top plate v 3.1 STII User Manual...
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Page 16: Maintenance
5 MAINTENANCE The Shake Table II should always be used in a clean and dust free environment. Further, to maintain the performance and ensure longevity, it is recommended to periodically lubricate both the linear guides and lead screw of the Shake Table II. -
Page 17: Y Shake Table Ii Configuration
3. Shake table hardware: 2x Quanser Shake Table II devices Follow these steps to setup the X-Y Shake Table II system: 1. See Section 4.2 for instructions on how to set up a single-axis Shake Table II system and make sure each Shake Table II has been tested properly. - Page 18 Shake Table II from being scratched and they also helps minimize vibrations between the two tables. 3. As pictured in Figure 6.2, position the y-axis shake table onto the stage of the bottom Shake Table II (i.e., the one with the rubber stops).
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Page 19: Cable Connections
This section describes the connections used to connect two Quanser DAQ devices to the 2x AMPAQ-PWM power amplifiers and the 2x Shake Table II systems for X-Y motion. The connections are summarized in Table 6.1 and pictured in Figure 6.4. The data acquisition device (DAQ) for amplifier X and table X is denoted as DAQ #0 and the DAQ device for amplifier y and table y is denoted as DAQ #1. - Page 20 (a) Table X Connections (b) Table Y Connections Figure 6.4: Connecting the X-Y Shake Table II system STII User Manual...
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Page 21: Troubleshooting
7 TROUBLESHOOTING Stage is not moving when running controllers. • Ensure the power amplifier is powered on and operational, e.g., when using the AMPAQ-PWM, verify that the green Status LED is lit. • Verify that the data acquisition device is functional. •... -
Page 22: Technical Support
8 TECHNICAL SUPPORT To obtain support from Quanser, go to http://www.quanser.com/ and click on the Tech Support link. Fill in the form with all the requested software and hardware information as well as a description of the problem encountered. Also, make sure your e-mail address and telephone number are included. - Page 23 REFERENCES [1] Analog Devices. Adxl325. 2009. [2] Danaher Motion. AKM Series Motors, 2005. v 3.1 STII User Manual...
- Page 24 Hexapod One- or Two-floor Active Mass Damper Precise, robust, and flexible, Quanser shake table and smart structure platforms meet the needs of educators and researchers for reliable, low maintenance and cost-effective devices. With these systems you can study various control techniques used to manipulate and dampen structural vibrations and introduce more advanced multi-dynamic analysis.
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