Platinum Product Engineering and Technical Design · 2022
Tensegrity Deployable Sensor for Disaster Area
by Daniel Lim
- A' Design Award 2022 Platinum Winner in Product Engineering and Technical Design
- Awarded April 15, 2022
- Estimated Number of Design Views: 2,677,686
- Verification code 25F55BBAC7 · Verify this award
About Tensegrity Deployable Sensor for Disaster Area
Tensegrity is a deployable sensor designed for disaster areas. Tensegrity is dropped from a drone to gather data for emergency response teams, including gas leaks, images and sounds from survivors. Rigid rods and nylon threads form a tensioned structure that absorbs the impact of a fall from more than 50 meters, so no parachute is required. Four collapsed modules are carried in a box under the drone and released over the site, where each module opens on landing. The sensor reaches places that people cannot safely approach.
Daniel Lim's Tensegrity Deployable Sensor for Disaster Area represents a distinguished achievement within the contemporary discourse of humanitarian engineering design, wherein the elegant principles of tensegrity architecture—a structural system theorized by Kenneth Snelson and popularized by Buckminster Fuller—find purposeful application in emergency response technology. The work demonstrates sophisticated understanding of geometric principles, employing an icosahedral-derived configuration wherein isolated compression elements float within a continuous web of tensioned cables, creating a structure of remarkable strength-to-weight efficiency that can reportedly collapse for compact storage and expand for deployment in challenging environments. The chromatic decision to employ high-visibility safety yellow for the nodal elements speaks to functional considerations of search and rescue contexts while simultaneously creating powerful aesthetic contrast against the structural black elements, transforming utilitarian necessity into visual poetry. The central sensor housing, visible through the protective lattice, suggests the technological purpose this sculptural cage serves—sheltering delicate instrumentation within a shock-absorbing exoskeleton capable of withstanding the unpredictable impacts inherent to disaster zone deployment. The presentation through human hand interaction invites consideration of the intimate scale of this technology, suggesting a tool designed for individual deployment by rescue personnel rather than large-scale mechanical systems. One might observe in this design a philosophical synthesis wherein the mathematical beauty of pure geometry meets the urgent imperatives of humanitarian aid, creating an object that functions as both technological innovation and sculptural meditation on structure, protection, and human care. Viewers are invited to consider how engineering elegance can serve compassionate purposes, and how the pursuit of optimal structural efficiency might yield objects of unexpected aesthetic resonance.
Press Kit
- Unique Properties
- Tensegrity sensor for disaster site, which could be dropped from the sky (drone) to gather information for the emergencyresponse crew (gas leaks, visuals, and audios). Once the drone arrives at the spot, many tensegrity modulesstored in a basket with an autonomous deployment system are deployed on multiple locations. The sensors can be delivered to disaster areas where humans are unable to approach.
- Dimensions & Packaging
- Maximum size of 150 mm x 150 mm x 150 mm when deployed, and 150 mm x 150 mm x 60 mm when collapsed.
- Tags
- Tensegrity, soft robot, disaster response, emergency sensors
- Production Technology
- The tensegrity module's goal is to offer the response team in a catastrophe region with a range of data. This data contains auditory or visual alerts that may have been generated by survivors, as well as a collection of gas leaks that may have enabled focused response to prevent larger accidents. Enclosures for the current mudules are made with SLA 3D printing, and many wireless sensors are enclosed. Furthermore, commercial nylon threads were employed to give the necessary tension for the framework.
- Design Challenge
- Finding appropriate materials for the string was extremely difficult because it needed to offer enough tension as well as strength to endure the drop. Another challenge was the module's assembly, which required many stiff rods to be linked at the same time. We solved this problem by creating a 3D printed jig that holds the component in place during assembly and using nylon threads to give sturdiness as well as enough tension for the construction.
- Project Duration
- The project started in August 2021 in Seoul, Korea and finished in March 2022 in Berkeley, California.
- Operation Flow
- Initially, four sensor modules are carried in a collapsed hexagonal box attached to the drone. When the drone approaches the point of interest (to collect data), the bottom panel of the box opens, allowing the sensor module to be dropped from a great height. The module rapidly deploys into the fully tensioned tensegrity structure, absorbing enough energy from impact with the ground. The module collects data for the reaction strategy by deploying various sensors.
- Research
- This design is based on the tensegrity structure, which has sparked academic interest due to its energy absorption qualities with a specially constructed mix of rigid rod and strings. Through interviews and observations, we discovered that the quick reaction team frequently lacks the data required for the response plan, particularly in the case of a large-scale disaster such as a forest fire. Because drones have limited battery life and require pilot control to gather information, we developed tensegrity modules that can be easily deployed to many places in need of sensory input.
- Inspiration
- Tensegrity structures are a type of stiff beam coupled with many strings that generate tension that can sustain the impact of a collision. Inspired by the structure, the sensor can be deployed from more than 50 m above the ground without the use of an additional device (parachute).
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