INTRODUCING
The DARL Actuator

Note: This page contains a non-confidential, non-enabling overview of the DARL Actuator's
benefits and capabilities. For enabling detail, contact us to set up a confidential meeting.


The DARL Actuator introduces a new class of magnetic actuation that delivers high-torque, low-power linear motion with zero-power position holding, digitally adjustable compliance, and near-silent operation.

Built on ultra-low mechanical complexity with very few moving components, the DARL architecture overcomes inherent limitations found in conventional actuator types used in today's robotics, embedded systems, automation equipment, industrial machinery, medical devices, and aerospace mechanisms.

Below is an exploration of the key advantages DARL Actuators offer to next-generation system designers.

High-Torque,
Low-Power

The DARL Actuator Architecture delivers substantial pushing and pulling force while drawing minimal electrical power.

Through the use of optimized magnetic circuits, actuation force is exerted by high-coercivity permanent magnets while electrical power is used only to switch the magnetic field of a low-coercivity permanent magnet incorporated into the circuit.

High force output with minimal power usage makes DARL Actuators an energy-efficient option for battery-powered or mobile systems.

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Zero-Power
Position Holding

Most actuator architectures must either consume power continuously or rely on complex locking mechanisms that add weight, friction, and potential failure points.

In contrast, stable zero-power holding is an inherent feature of the DARL Actuator Architecture. The use of electro-permanent magnets enables effortless position holding with no need for constant power draw or additional locking mechanisms.

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Digitally Adjustable
Compliance

In this context, compliance refers to the level to which a structure is able to comply with counter-force from external objects or forces. For example, a firm handshake has a lower level of compliance than a limp handshake since the firm handshake exerts more resistance against the other hand.

Adjustable compliance is an important feature in applications where delicate objects must be handled with care, such as human interaction and the manipulation of delicate commodities or components.

Current compliant actuators rely on mechanical springs, elastomers, or fluid-based dampers, each with fixed or limited adjustability.

The DARL Actuator introduces software-controled compliance through the use of novel mathematical position logic. This dramatically expands what is possible in advanced end effectors, prosthetics, delicate automation processes, and intelligent robotics systems optimized for delicate handling and safe physical interaction with humans.

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Low Complexity,
Silent Operation

Conventional actuators, especially those using motors with gearboxes, leadscrews, or harmonic/planetary drives produce audible sound while gradually degrading system components during every use.

Such degradation inevitably results in costly maintenance and component replacement in order to avoid issues such as gear backlash and lost motion. The silencing of every point of contact between moving parts is a meticulous and cost-intensive process.

The DARL Actuator is able to achieve meaningful motion without the need for high-complexity moving components. This combination of simplicity and silence opens opportunities for new classes of professional, industrial, consumer, and defense-oriented robotics systems.

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Additional Advantages

High Reliability

The DARL Actuator's operational simplicity and electro-permanent magnet-driven behavior dramatically reduces points of potential mechanical failure.

Thermal Efficiency

Low heat generation allows DARL Actuators to be embedded in tight, sealed, or insulated environments.

Extended Service Life

Minimal internal wear supports extremely long life cycles with little maintenance.

Compact Integration

The inherent simplicity of the DARL Actuator supports smaller, lighter, and more efficient system designs.

Multi-Position Operation

DARL Actuator arrangements can achieve many discrete static or dynamic positions with exceptionally low power usage, enabling multi-state mechanisms without mechanical detents or heavy gearing.

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Note: No information regarding the core mechanisms or physical design of the DARL Actuator is included herein. For enabling detail, please contact us directly to schedule a confidential meeting.



Contact

Vitruvian Systems welcomes inquiries from organizations at any time. While availability may vary depending on project commitments, we make every effort to respond promptly to all messages from perspective partners, licensees, and collaborators.


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