Engineering summary
Affordable Shake Table: Shakebot for Engineering Research: engineering guidance from QuakeLogic covering earthquake engineering, applications, measureme...
Shake tables provide a critical tool for simulating earthquake events and testing the response of structures to seismic forces. However, most existing shake tables are either prohibitively expensive or proprietary, limiting their accessibility for educational and research purposes. To bridge this gap, we present Shakebot, a low-cost, open-source shake table designed specifically for engineering research and education.
Key Features of Shakebot
The Shakebot is built using affordable, high-precision components. This approach not only keeps the cost down but also ensures the reliability and accuracy needed for vibration testing. Here are some of the standout features:
- Open-Source Software with ROS: The shake table runs on the Robot Operating System (ROS), allowing for modular software integration and facilitating easy transition from simulation to physical experiments.
- Accessible and User-Friendly: The Shakebot’s low cost and simple setup make it ideal for students, educators, and researchers, especially in low-resource settings.
Specifications:
- Degree of Freedom: Single
- Movement Degree: Horizontal Table
- Dimensions: 290 x 810 mm (excluding control box)
- Payload: 50 kg @ 1 g
- Velocity: 2,000 mm/s
- Stroke: +/-140 mm (380 mm)
- Max. Operating Frequency @ 1kg 10mm: 25 Hz
- Position Precision: 0.08 mm
- Max. acceleration at 5 kg and 2,000 mm/s: 5 g
- Software: Python (supported by Robot Operating System)
Seeing is Believing
Watch the demonstration video of shakebot by clicking the link below:
Application in Precariously Balanced Rocks (PBR) Research
One of the most exciting applications of the Shakebot is in the study of Precariously Balanced Rocks (PBRs) by CALTECH. PBRs serve as natural markers that indicate the absence of significant seismic activity in an area. With the Shakebot, the researchers validated the simulations through physical testing.
By reusing the control programs developed in ROS, the CALTECH researches ensured that the ground motions used in simulations are identical to those applied in the physical experiments. This consistency was vital for validating the accuracy of the simulation and ensuring reliable results in both virtual and real-world settings.
Why Choose Shakebot?
- Affordable: Built using readily available components, Shakebot offers a high-performance solution at a fraction of the cost of traditional shake tables.
- Open-Source: With ROS-based software, Shakebot allows for extensive customization, making it suitable for a wide range of seismic research applications.
- Versatile: Whether you are testing small-scale structures or conducting PBR studies, Shakebot is a highly flexible tool for both education and research.
QuakeLogic Is Proud to Offer Shakebot
At QuakeLogic, we are committed to providing innovative seismic monitoring and testing solutions. Shakebot is a proud addition to our product lineup, designed to meet the needs of researchers, educators, and engineers seeking an affordable yet high-precision shake table.
About QuakeLogic
QuakeLogic is a leading provider of advanced seismic monitoring solutions, offering a range of products and services designed to enhance the accuracy and efficiency of testing, data acquisition, and analysis.
Contact Information:
- Email: sales@quakelogic.net
- Phone: +1-916-899-0391
- WhatsApp: +1-650-353-8627
- Website: www.quakelogic.net
For more information about our products and services, please visit our website or contact our sales team. We are here to help you with all your testing and monitoring needs.
With Shakebot, QuakeLogic continues its mission to democratize earthquake engineering tools, ensuring that vital seismic research and education are accessible to everyone.
Last reviewed: 2026-07-04
Executive Summary
Earthquake engineering connects ground motion, structural response, performance objectives, instrumentation, and post-event decision support. This article has been expanded as an engineering resource for readers evaluating earthquake engineering concepts, instrumentation choices, and monitoring workflows. The discussion is educational and should be paired with project-specific review by qualified engineers, applicable codes, owner requirements, and equipment documentation.
Key Takeaways
- Define the engineering objective before selecting sensors, test equipment, trigger thresholds, or reporting workflows.
- Use calibrated instrumentation, documented installation practices, time synchronization, and traceable data handling where measurement quality matters.
- Interpret measured data in context: site conditions, structure type, noise environment, sampling rate, bandwidth, and boundary conditions all affect conclusions.
- Use authoritative references and project-specific criteria rather than relying on generic thresholds or unsupported performance claims.
Technical Explanation
In practical earthquake engineering work, the engineering system is more than a sensor or a test platform. A credible workflow includes the measurement objective, instrument selection, mounting or boundary conditions, sampling and timing strategy, data validation, event or response detection, engineering review, and reporting. Weakness in any part of that chain can reduce confidence in the final interpretation.
For monitoring applications, engineers should document sensor orientation, coupling, environmental exposure, dynamic range, frequency bandwidth, data logger configuration, clock synchronization, communications, and maintenance procedures. For testing applications, engineers should document input motion, fixture design, payload properties, control limits, safety interlocks, acceptance criteria, and post-test data review.
Engineering Applications
| Application | Engineering Question | Typical Evidence Needed |
|---|---|---|
| Research and education | How does a structure, component, or sensor respond under controlled conditions? | Test plan, calibrated data, input motion, boundary conditions, and repeatable observations. |
| Critical infrastructure | Is the asset response normal, changing, or potentially unsafe after an event? | Baseline data, event records, thresholds, inspection workflow, and engineering sign-off. |
| Industrial facilities | Can monitoring support operational continuity and response decisions? | Site-specific criteria, reliable telemetry, alarm logic, maintenance records, and documented procedures. |
People Also Ask
What should be specified before buying equipment?
Specify the measurement objective, frequency range, amplitude range, environment, data format, timing needs, installation constraints, reporting requirements, and applicable standards or owner criteria.
Why do references and standards matter?
They provide terminology, acceptance criteria, test methods, and documentation expectations. They do not replace engineering judgment, but they reduce ambiguity and make results easier to review.
How should data quality be checked?
Review calibration status, timing, clipping, sensor orientation, signal-to-noise ratio, environmental artifacts, data completeness, and whether the record supports the engineering decision being made.
Related QuakeLogic Resources
- Why Your Organization Should Have an Earthquake Warning System?
- GN309 Intelligent Node Seismograph: Advanced Seismic Monitoring Made Simple
- Pre-training Meeting Preparation List for Shake Table Setup
- Electromagnetic Shake Table: Inside QL-ATOM 25
- Related QuakeLogic products and technologies
- QuakeLogic Engineering Blog topic resources
References
Recommended Diagram or Download
Media placeholder: Add an original diagram showing the measurement chain from sensor or test platform to data acquisition, analysis, engineering interpretation, and reporting. Where this article becomes a buyer guide or application note, create a downloadable PDF version after engineering review.
Discuss a Monitoring or Testing Application
QuakeLogic supports seismic monitoring, earthquake early warning, structural health monitoring, infrasound monitoring, vibration monitoring, data acquisition, and shake table testing applications. For project-specific guidance, contact QuakeLogic with the asset type, measurement objective, site constraints, and required deliverables.
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Topic cluster
Related engineering knowledge areas
- Earthquake EngineeringSeismic hazard, ground motion, structural response, fragility, and resilience guidance.
- Structural Health MonitoringMonitoring for bridges, buildings, dams, tunnels, industrial facilities, and resilient infrastructure.
- Earthquake Early WarningOn-site detection, alerting workflows, seismic switches, and critical infrastructure warning systems.
- Seismic SensorsSeismometers, accelerometers, geophones, sensor selection, calibration, and field deployment.
Definitions and references
Terms, standards, and source cues
- seismic hazard: related to Earthquake Engineering in this QuakeLogic knowledge cluster.
- ground motion: related to Earthquake Engineering in this QuakeLogic knowledge cluster.
- SHM: related to Structural Health Monitoring in this QuakeLogic knowledge cluster.
- damage detection: related to Structural Health Monitoring in this QuakeLogic knowledge cluster.
- earthquake early warning: related to Earthquake Early Warning in this QuakeLogic knowledge cluster.
- seismic switch: related to Earthquake Early Warning in this QuakeLogic knowledge cluster.
- seismometers: related to Seismic Sensors in this QuakeLogic knowledge cluster.
- accelerometers: related to Seismic Sensors in this QuakeLogic knowledge cluster.
Standards mentioned
- ASCE 7 seismic design/site-classification references
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