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Robot Talk Episode 150 – House building robots, with Vikas Enti

Robohub

Claire chatted to Vikas Enti from Reframe Systems about using robotics and automation to build climate-resilient, high-performance homes. Vikas Enti is the co-founder and CEO of Reframe Systems, a physical AI company rethinking how homes are built through automation and localized fabrication. He previously spent more than a decade at Amazon Robotics, where he helped scale advanced robotics systems across global logistics networks. Today, he is applying those same principles of systems design and repeatable production to address the housing shortage. Vikas focuses on building climate-resilient, high-performance homes faster and more predictably than traditional methods.


Back to school: robots learn from factory workers

Robohub

What if training a robot to handle dirty, dangerous work on the factory floor was as simple as showing it how? Czech startup RoboTwin is doing exactly that, helping factory workers teach robots new skills by demonstration. Instead of writing complex code, workers perform the job once and RoboTwin's technology turns those movements into a robot programme - opening the door to automation for smaller manufacturers. Founded in Prague in 2021, RoboTwin builds handheld devices and no-code software that capture human movements and translate them into instructions for industrial robots. The aim is to make automation faster, simpler and more accessible to manufacturers that do not have specialist robotics programmers.


Generative AI improves a wireless vision system that sees through obstructions

Robohub

MIT researchers have spent more than a decade studying techniques that enable robots to find and manipulate hidden objects by "seeing" through obstacles. Their methods utilize surface-penetrating wireless signals that reflect off concealed items. Now, the researchers are leveraging generative artificial intelligence models to overcome a longstanding bottleneck that limited the precision of prior approaches. The result is a new method that produces more accurate shape reconstructions, which could improve a robot's ability to reliably grasp and manipulate objects that are blocked from view. This new technique builds a partial reconstruction of a hidden object from reflected wireless signals and fills in the missing parts of its shape using a specially trained generative AI model.


Robot Talk Episode 151 – Robots to study the ocean, with Simona Aracri

Robohub

Simona Aracri is a researcher in the Institute of Marine Engineering at the National Research Council of Italy. Previously, she was a Post Doctoral Research Associate at the University of Edinburgh, working on the award winning project ORCA Hub and focusing on offshore robotic sensors. Her research uses innovative sensors and robotic platforms to push the boundaries of observational oceanography and environmental monitoring. She has spent more than 6 months at sea on oceanographic sampling campaigns, in the Mediterranean Sea, Pacific Ocean and the North Sea. Robot Talk is a weekly podcast that explores the exciting world of robotics, artificial intelligence and autonomous machines.


Resource-sharing boosts robotic resilience

Robohub

If the goal of a robot is to perform a function, then minimizing the possibility of failure is a top priority when it comes to robotic design. But this minimization is at odds with the robotic raison d'être: systems with multiple units, or agents, can perform more diverse functions, but they also have more different parts that can potentially fail. Researchers led by Jamie Paik, head of the Reconfigurable Robotics Laboratory ( RRL) in EPFL's School of Engineering, have not only circumvented this problem, but flipped it: they have designed a modular robot that actually lowers its odds of failure by sharing resources among its individual agents. "For the first time, we have found a way to reverse the trend of increasing odds of failure with increasing function," Paik explains. "We introduce local resource sharing as a new paradigm in robotics, reducing the failure rate with a larger number of modules."


Robot Talk Episode 149 – Robot safety and security, with Krystal Mattich

Robohub

Krystal Mattich leads global data governance, system security, and privacy compliance for Brain Corp: the world's leading autonomy platform for commercial robotics. As Senior Director of Security, Privacy, and Risk, she is the architect of the privacy-first infrastructure that powers over 40,000 BrainOS -enabled robots across retail, airports, education and logistics. Krystal played a central role in launching Brain Corp's public-facing Trust Center, reinforcing the company's commitment to data transparency, GDPR compliance, and responsible AI. Robot Talk is a weekly podcast that explores the exciting world of robotics, artificial intelligence and autonomous machines. Robot Talk is a weekly podcast that explores the exciting world of robotics, artificial intelligence and autonomous machines.




Combinatorial Multi-Armed Bandit with General Reward Functions

Neural Information Processing Systems

In this paper, we study the stochastic combinatorial multi-armed bandit (CMAB) framework that allows a general nonlinear reward function, whose expected value may not depend only on the means of the input random variables but possibly on the entire distributions of these variables. Our framework enables a much larger class of reward functions such as the max() function and nonlinear utility functions. Existing techniques relying on accurate estimations of the means of random variables, such as the upper confidence bound (UCB) technique, do not work directly on these functions. We propose a new algorithm called stochastically dominant confidence bound (SDCB), which estimates the distributions of underlying random variables and their stochastically dominant confidence bounds. We prove that SDCB can achieve O(log T) distribution-dependent regret and O( T) distribution-independent regret, where T is the time horizon. We apply our results to the K-MAX problem and expected utility maximization problems. In particular, for K-MAX, we provide the first polynomial-time approximation scheme (PTAS) for its offline problem, and give the first O( T) bound on the (1)-approximation regret of its online problem, for any > 0.


Bayesian Optimization with Robust Bayesian Neural Networks

Neural Information Processing Systems

Bayesian optimization is a prominent method for optimizing expensive-to-evaluate black-box functions that is widely applied to tuning the hyperparameters of machine learning algorithms. Despite its successes, the prototypical Bayesian optimization approach - using Gaussian process models - does not scale well to either many hyperparameters or many function evaluations. Attacking this lack of scalability and flexibility is thus one of the key challenges of the field. We present a general approach for using flexible parametric models (neural networks) for Bayesian optimization, staying as close to a truly Bayesian treatment as possible. We obtain scalability through stochastic gradient Hamiltonian Monte Carlo, whose robustness we improve via a scale adaptation.