How does Roboami navigate different terrains?

This one actually navigates through different terrains autonomously, crawling on flat land and rolling on rough terrain as needed.

How does it jump over obstacles?

On board, and once it meets an obstacle, it jumps over it using its actuator system to propel itself.

What powers the jumping mechanism?

Storing energy in each leg and then releasing it catapults the robot over obstacles, functioning like a slingshot.

Is there a fixed shape or task for robo gamies?

For robo gamies, there's no fixed shape nor task; they adapt to terrain and purpose as needed.

Who is working on Roboami?

Later, with my group of ninja origami robotic researchers, we have a new generation of robogamis.

These bitty bots roll, jump — and even pulse like a beating heart #TEDTalks

TEDx Talks

People & Blogs6 min read1 min video

Feb 28, 2026|34,155 views|354|5

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Key Moments

TL;DR

RoboGami: shape-shifting sheets that navigate terrain, roll, and jump.

Key Insights

Self-folding sheets enable rapid morphing to different shapes for varied tasks.

Terrain-aware locomotion: crawling on flat surfaces, rolling on rough terrain.

On-board energy storage powers obstacle jumping via a catapult-like mechanism.

No fixed shape or task; a single platform can adapt to multiple objectives.

Autonomy with onboard control sequences drives action without external input.

A long-term research effort by a team of 'ninja origami' researchers demonstrates scalable adaptability.

INTRODUCTION TO ROBOGAMI

This talk introduces RoboGami, a shape‑shifting, origami‑inspired robot built from an intelligent sheet that can self‑fold into any form. The idea is to fuse flexible geometry with active control so one device can adapt to many tasks. A decade of work by a team jokingly called ninja origami robotic researchers has yielded a new generation of Robogamis that can navigate real‑world terrain autonomously. The core promise is simple but powerful: morph the structure to suit the journey, then let on‑board actuators drive the right movements for that environment.

THE ORIGAMI-INSPIRED ENGINEERING MINDSET

At its heart, RoboGami uses origami‑inspired folding principles to change its geometry rather than exchanging parts. The design aims for versatility, modularity, and resilience: a single device can become a crawler, a roller, or something in between as conditions demand. This engineering mindset treats folding as a programmable actuation, enabling rapid reconfiguration without swapping modules. The ultimate goal is to rethink what a robot is: not a fixed machine with one job, but a flexible platform that can reimagine itself to meet unpredictable challenges.

A DECADE OF RESEARCH AND THE NINJA TEAM

Over ten years, the researchers, humorously referred to as ninja origami researchers, have evolved from simple sheets to autonomous, terrain‑aware robots. The new generation demonstrates not only the ability to fold into multiple shapes but to decide how to move in response to the environment. The team’s progress highlights teamwork, iterative testing, and the refinement of control strategies. The transcript hints at a culture of playfully ambitious experimentation, where curiosity about folding mechanics meets rigorous robotics engineering to push the limits of what a sheet can become.

SELF-FOLDING SHEETS: HOW IT WORKS

Core to RoboGami is the self‑folding sheet, a flat surface that can assume multiple three‑dimensional shapes on command. While the transcript doesn’t give a full mechanism, the essence is clear: folding is controlled by on‑board actuators that drive predetermined sequences, enabling rapid reconfiguration. The advantage is clear: rather than hunting for a new robot for every job, you can fold a sheet into the shape needed for current constraints, then fold again when the terrain changes. This approach integrates hardware, control software, and smart materials into a unified, responsive platform.

TERRAIN-DRIVEN LOCOMOTION: CRAWL OR ROLL

One of RoboGami’s striking capabilities is terrain‑aware locomotion. On dry, flat ground the device prefers crawling motions, conserving energy and offering fine control. When it encounters rough or uneven terrain, the same robot switches to rolling, allowing it to traverse obstacles more efficiently. Importantly, these behaviors are not hardwired into a fixed shape; instead, different actuator sequences are triggered on the fly depending on what the terrain demands. The result is a single, versatile machine that can adapt its movement style to maintain progress across diverse landscapes.

OBSTACLES AND JUMPING: ONBOARD ENERGY STORAGE

Beyond simple locomotion, RoboGami can jump over obstacles using an energy storage mechanism in its legs. Each leg stores energy and, when needed, releases it to catapult the robot forward like a slingshot. The description emphasizes the autonomy of execution: the energy is captured and deployed without external assistance, enabling rapid, short‑range leaps to clear obstacles. This jumping capability complements crawling and rolling, expanding the robot’s repertoire for navigating cluttered environments or rugged terrain where wheels would fail.

ACTUATORS AND CONTROL SEQUENCES

Control of RoboGami hinges on onboard actuators and programmable sequences that determine how the sheet folds, unfolds, and moves. There is no single fixed sequence; instead, the robot selects among multiple actuator patterns depending on current conditions. The talk underscores the importance of flexible control architectures that can map environmental cues to action. In practice, this means the robot can adjust stiffness, limb movement, and folding angles to optimize balance, speed, and efficiency as it advances toward a goal.

NO FIXED SHAPE: VERSATILITY AS A DESIGN PRINCIPLE

A core philosophical statement is that RoboGami has no fixed shape or task. The same hardware can morph into different configurations to satisfy different objectives, from traversal to manipulation, without requiring a bespoke robot for each job. This flexibility aligns with the origami metaphor: folding to fit the moment, unfolding to respond to new challenges. The talk frames versatility as a design principle rather than a novelty, suggesting that future robots could become entirely generic platforms capable of domain‑specific adaptations through software and control.

AUTONOMY AND REAL-WORLD TESTING

The RoboGami concept aims for autonomous operation without constant human control. The generation described demonstrates independent terrain assessment and action selection, leveraging on‑board sensing and decision logic. While the transcript doesn’t detail sensors, the implied capability is that the robot can perceive surface type, adapt its gait, and execute transitions without external guidance. This autonomy positions RoboGami as a potential tool for exploration, disaster response, or maintenance tasks where human control is limited, requiring robust, adaptive behavior under unpredictable conditions.

CHALLENGES AND FUTURE RESEARCH DIRECTIONS

Even as the concept shines, there are significant challenges to solve. The mechanics of reliable self-folding during motion, energy efficiency of multiple actuators, control complexity across different shapes, and durability under real‑world use are nontrivial. The team’s work signals a direction for future research: refining materials, improving energy storage, and developing smarter, hierarchical control strategies that can handle uncertain environments. Addressing these issues will be essential to translating RoboGami from a lab demonstration into practical, deployable systems.

POTENTIAL APPLICATIONS AND IMPACT

The ability to morph and adapt on the fly opens doors to applications across domains. Search and rescue, disaster response, planetary exploration, and inspection tasks could benefit from a single, reconfigurable platform. The concept also inspires new design paradigms where the boundary between machine and tool is blurred: a sheet that becomes a vehicle, a manipulator, or a sensor array as needed. While still early, RoboGami’s approach hints at a future where robotic platforms are smaller, cheaper, and more capable because they can reconfigure themselves to fit the job.

CONCLUSION: A NEW VISION FOR ROBOTICS

Taken together, RoboGami embodies a shift in robotics toward flexible, programmable matter that can adapt its form and function. The talk’s core message is that a single, intelligent sheet can self‑fold, reconfigure, and locomote to meet the demands of diverse environments. The ninja team’s progress illustrates how folding principles can drive new control strategies and embodied intelligence. If continued, this line of work could reduce the need for multiple specialized robots and accelerate the development of autonomous systems capable of operating in the chaotic, real world.