Real Voices — Humanoid Press Interview Series
Real Voices · Humanoid Press Interview Series

The people behind

Unfiltered conversations with the engineers, executives, operators, researchers, and everyday users who actually live and work alongside humanoid robots and embodied AI. No scripts, no spin — just the people closest to the machines, telling it straight.

The Mastermind Behind Xynova: CEO Alex Xia on Actuation Engineering, Visuotactile Perception, and Commercial Scaling

October 29, 2026

Overview

 

Humanoid Press — Interview with Alex Xia, Founder & CEO of Xynova
 

On Actuation Architecture & Engineering Trade-offs:
 

Humanoid Press:

Xynova has developed two distinct dexterous-hand architectures: the Flex 2, which uses a hybrid tendon-plus-direct-drive architecture, and the Prima 1, which uses a fully direct-drive design. From an engineering and commercialization perspective, how do you evaluate the trade-offs between these architectures in terms of payload capacity, force-control fidelity, dynamic response, weight distribution, energy efficiency, and long-term maintainability?
 

Alex Xia:
 

In our view, there is no single optimal dexterous-hand architecture that fits every scenario. Our R&D starts from real-world requirements, and only then do we select the right engineering approach across materials, actuation, sensing and control algorithms.

 

Flex 2 adopts a hybrid drive system combining tendon and direct drive, designed for real-world industrial and consumer applications.

 

In the Flex 2 hybrid architecture, micro electric linear actuators are housed in the forearm and transmit power to the fingers via tendons. This reduces mass and rotational inertia at the distal end of the fingers, keeping the hand lightweight while improving dexterity. Direct-drive motor modules integrated in the palm handle thumb opposition, metacarpophalangeal (MCP) abduction/adduction and other fine movements.

 

As a result, Flex 2 supports a vertical payload of up to 20 kg while achieving fingertip repeatability of ≤ ±0.2 mm and joint repeatability of ≤ 0.4°, meeting the demands of precision engineering tasks.

 

Building on back-drivability under load in the palm, multi-modal perception (tactile, vision and proximity) and our proprietary control algorithms, Flex 2 delivers hybrid force/position control, compliant grasping, slip detection and contact reflexes, improving safety, stability and environmental adaptability under real-world operating conditions. To address the creep problem inherent in conventional tendon drives, Flex 2 uses custom anti-creep metal tendons that significantly improve resistance to deformation, supporting more than one million high-frequency, full-load open/close cycles.

 

Prima 1 adopts a full direct-drive architecture, designed primarily for research applications.

 

With every joint directly driven, the shorter transmission chain eliminates friction, backlash and hysteresis. Prima 1 outputs high-fidelity torque feedback without complex algorithmic compensation, giving it exceptional force transparency: a single grasp open/close cycle takes just 0.08 s, and force-control response is under 10 ms, making it well suited to high-frequency interactive AI training.

 

Combined with five-finger visuotactile sensing and distributed tactile sensing, Prima 1 achieves a force-sensing resolution of 0.1N, bringing its perceptual capability closer to that of the human hand.

 

Prima 1 also overcomes the thermal challenge of direct-drive dexterous hands through a pioneering system-level design. Optimized motor and transmission design, together with our in-house motor control algorithms, keeps current under load extremely low, bringing heat generation close to its theoretical minimum. This ensures thermal stability during extended operation, with temperatures held within a human-safe range even under high load.

 

We first define the scenario and what the customer needs, and then decide how the hand should be built. Prima 1 serves as a high-transparency research and algorithm platform that helps researchers rapidly capture high-quality motion and contact data, while Flex 2 is built for long-term operation and scaled deployment in real-world environments. Our goal is to connect the two product lines, creating a pathway from research validation to application iteration.


On Visuotactile Sensing & Embodied Perception:

 

Humanoid Press:

The Prima 1 integrates five-finger visuo-tactile sensing for detailed perception at the fingertips. What were the primary engineering challenges in integrating this sensing architecture into human-scale fingertips while maintaining compact form factors, thermal stability, durability, and high-DoF dexterity?

 

Alex Xia:

 

In my view, some of the hardest parts of dexterous manipulation happen after contact. Is the object slipping? Is the finger applying too much force? How should the next move be adjusted? We developed visuotactile sensing so that robots can answer exactly these questions.

 

The first challenge is spatial integration. Our hand is very close to human scale, and within that confined space we have to integrate the sensing surface, optics, illumination, imaging and structural components, all without the sensor restricting joint motion. Sensing quality, fingertip strength and range of motion must be balanced simultaneously.

 

The second challenge is long-term stability. Temperature changes, surface wear and sustained loading all shift sensor output, yet the robot must still judge contact reliably after repeated use. That is why materials, optical design, calibration and temperature compensation have to be engineered together.

 

The third challenge is closing the loop from perception to execution. Sensing cannot serve observation alone; it only has engineering value once it is integrated into the real-time control loop. Visuotactile data must be synchronized with joint positions, motor currents, force-control states and external vision. Perception becomes truly useful when this information helps the control system adjust force and posture.

 

The value of touch is that it allows a robot to correct itself before it loses its grip. Our aim is to make the contact process clearer and measurable, and then, through training, turn that information into more stable manipulation capability.

 

On Manufacturing Scale & Quality Assurance:

 

Humanoid Press:

Transitioning high-DoF dexterous hands from laboratory prototypes to commercial-scale production remains a significant engineering challenge. What manufacturing processes, actuator calibration methods, and quality-control systems has Xynova developed to ensure consistent performance, reliability, and product quality as production volumes increase?

 

Alex Xia:

 

In my view, the real difficulty in bringing dexterous hands into mass production is consistency. High DoF means many components operating at once, and small deviations in motors, transmissions and assembly can stack up into noticeable differences in manipulation performance.

 

Xynova has full-stack R&D and manufacturing capabilities, spanning motors, motor control electronics, reducers and lead screws, through actuators and modules, to the complete hand system. We have built complete production lines covering precision machining, motor manufacturing, module assembly and dexterous-hand assembly. So when an issue arises, we can trace control performance back to a specific component or process and correct it.

 

In mass production, we apply a layered calibration and testing framework. First, we run component-level performance tests on motors, reducers, lead screws and actuators. Next, during hand assembly, we calibrate joint zero positions, transmission errors, torque and back-drive characteristics. Once the hand is fully assembled, we test multi-DoF coordinated motion, repeatability, force control, communication, temperature rise, tactile sensing and typical grasping tasks.

 

For tendon-driven systems, we place particular emphasis on validating tendon creep, tension balance, friction variation and accuracy retention after long-term use. We address these through a combination of materials, transmission topology, tension control and algorithmic compensation.

 

The value of full-stack in-house development also lies in rapidly pinpointing system-level issues. Process breakthroughs on individual components can come from better equipment and materials, but performance consistency once multiple components are coupled, cross-disciplinary collaboration and end-to-end control of the production chain must be continuously closed-loop within a single team.

 

Our standard for mass production is that every hand delivered to a customer performs consistently. As volumes grow, we will keep tightening critical process parameters and acceptance thresholds, and validate them against customer tasks. Our advantage is that one team can solve component, assembly and control problems end to end.

 

On AI-Native Manipulation & Control Systems:

 

Humanoid Press:

 

Advanced manipulation depends on the integration of hardware, perception, and intelligence. How does Xynova combine tactile sensing, force feedback, low-level motor control, and higher-level learning or AI models to enable adaptive, real-time manipulation in unstructured environments? Where do you draw the boundary between deterministic control loops and learned behaviors?

 

Alex Xia:

 

We believe dexterous manipulation requires both the ability to learn and stable, reliable contact control. Reinforcement learning allows robots to adapt to different objects and tasks, while real-time control ensures that motion commands are faithfully executed on the hardware.

 

Our solution follows a hierarchical, collaborative architecture:

 

Task policy layer: combines vision, touch and the robot's proprioceptive state to determine manipulation goals and generate action sequences.

 

Contact control layer: adjusts grasp force and posture in real time based on force feedback and changes in contact conditions.

 

Execution layer: regulates current, position and torque, while monitoring temperature and communication to detect faults promptly.

 

Tactile information is involved throughout the entire pipeline. On one hand, the control system relies on tactile sensing to detect slip and adjust the grasp; on the other, tactile data is used for training and inference of manipulation policies. Techniques such as reinforcement learning and imitation learning can both teach robots manipulation skills and support contact control and real-time motion correction.

 

This is where we draw the boundary: manipulation policies can be continuously optimized and iterated, but every contact with an object must remain within predefined safety execution limits. Our goal is to fuse learning capability with stable control, so that the robot can complete manipulation tasks reliably even as the environment changes.

 

On Reliability Validation & Real-World Deployment:

 

Humanoid Press:

 

Dexterous robotic hands must maintain precision and robustness under demanding operating conditions. What testing and validation protocols does Xynova use to evaluate durability, impact resistance, wear characteristics, environmental resilience, and operational lifespan before commercial deployment? How are failure modes identified and addressed during development?

 

Alex Xia:

 

What matters most to me is a dexterous hand's long-term stability in real tasks. No-load open/close cycling is only a baseline test. Insertion, screw-driving and material handling on a production line can involve eccentric loads, sustained holding and localized impacts, and testing must cover these conditions.

 

We validate progressively, from components, actuators and joint modules up to the complete hand. In the early stages, we focus on load, temperature rise, transmission wear and output drift. At the full-hand stage, we validate multi-joint coordination, grasp and release, impact resistance, sensor drift and recovery from communication faults.

 

Environmental testing must also match the application scenario. Temperature, dust and contact-surface wear can all affect manipulation. We build task profiles based on the load, motion frequency and contact conditions of actual tasks, and continuously monitor during testing whether accuracy, force control and grasping performance degrade.

 

Truly meaningful test data should show how reliably the hand can still complete its tasks after long-term use. Cycle count matters, but so do the loads and motions behind it, and the performance the hand retains after testing.

 

On Strategic Product Direction:

 

Humanoid Press:

 

Xynova has developed dexterous-hand architectures spanning tendon-driven, hybrid tendon/direct-drive, and fully direct-drive approaches. What have been the most important engineering lessons from developing these different architectures, and how are those lessons shaping Xynova's long-term product roadmap?

 

Alex Xia:

 

In exploring multiple architectures, we have arrived at one core conviction: high-performance hardware is only the starting point. A wide gap still separates it from real-world deployment and the completion of real tasks. Perception, control, data and models are tightly interlinked, and together they determine whether a task succeeds.

 

Xynova is positioned as a full-stack solution provider for general-purpose dexterous manipulation. The dexterous hand will always be our core carrier. We will keep investing deeply in hardware, continuously strengthening product reliability, ease of integration and our capacity to deliver at scale.

 

At the same time, we will continue to iterate on our control software, data-collection toolchain and dexterous manipulation models, turning software and AI capabilities into deliverable, deployable, standardized products. Hardware carries out physical execution, the toolchain accumulates high-quality manipulation data, and models distill that data into transferable, reusable dexterous manipulation skills.

 

Going forward, what we deliver to customers will be more than best-in-class hardware: it will be complete dexterous manipulation capability that is easy to integrate, enables customers to train on their own and runs stably over the long term. Robot OEMs will gain dexterous hands, actuation modules and integrated system support; research and algorithm teams will gain an open research platform and data-collection infrastructure; and industry customers will receive customized solutions that integrate hardware, control systems and manipulation skills, tailored to their own business scenarios.

 

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