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MOTION TRACKING

MOTION TRACKING

RELIABLE DATA. REAL-TIME MOTION TRACKING.

We offer a variety of motion tracking systems, and we continue to introduce new products, based on market demand. Whether you need to track a person, an object, or several people or objects, we can assist you in determining which tracking system will work best for you.

What are the most important features you require? Whether you need ultra-fast speed, long range tracking ability, or a multiple sensor system, we offer a wide array of award winning motion tracking systems with options to meet your needs.

Our technology is able to track a wide variety of objects, as well as people, by attaching small and lightweight sensors to selected tracking points or embedding them within an object.

BENEFITS

There are several advantages to using Polhemus electromagnetic technology:  Our AC electromagnetics typically deliver longer range tracking than some competing technologies, and operate at lower power levels. Additionally, it offers the best signal-to-noise ratios and is unique in that multiple tracking systems can be used in the same environment, without any cross-talk interference. Perhaps the main benefit of AC electromagnetics is the unmatched precision it delivers, with reliable and repeatable tracking results.

HOW IT WORKS

Sometimes when we demonstrate our motion tracking technology, those not familiar with electromagnetics ask, “How is it tracking?” Our answer — It’s not magic—it’s the power of tuned electromagnetic fields and years of proprietary development. Polhemus motion tracking systems utilize a source (think of it as a magnetic transmitter) which emits an electromagnetic dipole field, as pictured above. The size of the field varies, depending on the size of the source used; the larger the magnetic field the larger the tracking range (coverage area).  Most Polhemus systems are scalable so you can increase your tracking area simply by adding additional tracker components.

EMBEDDABLE COMPONENTS & FLEXIBLE SET UP

Polhemus electromagnetics has attributes that set it apart from all other tracking technology. For starters, did you know our motion tracking sensors can be embedded inside many materials? Even when the sensors are completely covered, they still track position and orientation seamlessly. This means you can embed Polhemus sensors inside your custom form factor, making it the top choice for many training and simulation applications. The source, or transmitter, can also be embedded or covered and tracking accuracy is fully maintained.

The source can also be mounted on a tripod, buried in a potted plant, or embedded inside your product. Polhemus tracking systems have a lot of flexibility in terms of set up, so you are able to tailor the setting to meet your application needs or even when your environment changes  —  Polhemus systems are very portable. Mount the source on the ceiling for one application, set it up on a tripod, or bury the source underground for a different application. With flexibility in the set up, you are in control of adapting the tracking technology to your environment.

FULL 6DOF MEASUREMENT AND FREEDOM OF MOVEMENT

Some applications require motion tracking that allows for complete freedom of movement. For some, wireless motion tracking is simply a must-have feature.  For others, wireless tracking capability is an added benefit, but not a necessity. It all comes down to what the most important features are to you. Polhemus has been delivering award-winning motion trackers for over 40 years, and we offer wireless tracking products that provide full freedom of movement, delivered with our proprietary 6DOF electromagnetic technology. Our wireless tracking options are portable, easy to set up, and require no special lighting requirements. Explore our wireless tracking options below.

WIRELESS TRACKING PRODUCTS

WE DON’T MEET THE STANDARD. WE SET IT.

Polhemus provides head tracking solutions for both the commercial and military market, and there is no company more qualified to do so. Polhemus pioneered the original AC electromagnetic head tracking in the late 1960’s and has advanced the technology in tracking excellence ever since. Today’s magnetic tracking systems have come a long way since then–they are the absolute best trackers available and offer a clear advantage over emerging hybrid technologies. Other technologies attempt to blend outputs from more than one singularly limited tracking reference to compile a synthetic position and orientation solution. Polhemus magnetic innovations are light years ahead of even the best optical inertial hybrid trackers.

FLIGHT TESTED. PILOT APPROVED.

Although any of our trackers can be utilized as a head tracker, our latest head/helmet tracker is SCOUT–the world’s only 6DOF self contained head tracker. SCOUT is the premier head tracker, as it offers unprecedented ease of integration, accuracy, and simplicity for both real and simulated aircraft cockpits and ground vehicles. We are proud to offer our customers the low risk, high minimal cockpit mounted equipment, no line-of-sight limitations and an ultra small lightweight and embeddable helmet sensor. SCOUT is currently in full rate production and is fielded and flying on A-10, F-16, C-130 aircraft. It’s the trusted choice for world-class pilots. Learn more about SCOUT.

Whether you need head tracking for a virtual reality application, a training and simulation system, a ground vehicle, or in the air for top pilots, Polhemus has a variety of head tracking solutions.

 

MICRO SENSOR 1.8™

THE 6DOF MILLIMETER-SIZED SENSOR FOR HIGH PRECISION TRACKING

PRODUCT OVERVIEW

The Micro Sensor 1.8 is one of the latest breakthroughs from Polhemus, the leaders in motion measurement innovation. This 6DOF (6 Degree-Of-Freedom) micro sensor tracking element utilizes Polhemus proprietary AC electromagnetic technology, weighs in at less than a gram, and measures only 1.8 millimeters in OD (outer diameter). Small and lightweight, it packs an enormous amount of capability into its small size and provides both position and orientation data, at speeds up to 240 Hz (frames of data per second).

Like all Polhemus tracking technology, the new Micro Sensor 1.8 requires no line-of-sight to continuously track its position and orientation. Better still, Polhemus sensors are completely embeddable into a variety of custom form factors, ideal for fitting inside a traditional catheter, a head-worn device, such as an HMD, simulated medical tools, or even slipped under gloves or clothing. This makes the Micro Sensor 1.8 an ideal tracking solution for applications requiring not only high-fidelity precision tracking, but also small-scale sensor size.

Currently for use with Polhemus LIBERTY™, PATRIOT™ and G4™ motion tracking systems, the Micro Sensor 1.8 offers tracking capabilities of up to 16 sensors simultaneously per system. Polhemus AC electromagnetic technology allows for multiple tuned magnetic tracking sources which enables you to run independent tracking systems right beside each other without concern for magnetic overlap (cross talk). Learn more about the Polhemus LIBERTY, PATRIOT and G4 tracking systems and get detailed information on accuracy, update rates and tracking system specifications.

Polhemus technology has been used in the healthcare market for years, including healthcare simulation and real-world applications such as enabling image guided surgery. The Micro Sensor 1.8 adds new capability and value to healthcare and other important markets.

Above: Micro Sensor 1.8 inserted in catheter tubing and embedded in 3D heart model, finger and hand tracking with multiple sensors, using the Polhemus Micro Mounts Kit

KEY FEATURES

  • Full 6DOF motion tracking (measures both position and orientation)
  • 8 millimeter OD (Outer Diameter)
  • Embeddable, no line-of-sight required
  • Highly precise and accurate
  • Lightweight, sensor head weighs less than a gram
  • Update rates as high as 240 Hz
  • Track up to 16 sensors simultaneously, per system

APPLICATIONS

MOTION TRACKING APPLICATIONS

In our more than 40-year tenure, Polhemus technology has powered countless applications around the world. We are proud that so many cutting-edge applications in health care, military, and research and technology are powered by Polhemus. Link below to specific case studies in medical training and simulation, flight training and simulation, neuroscience, and more. This is just a sample of notable applications in motion tracking that have enabled our customers to break new ground and redefine the standards in their fields and industries. Go to all motion tracking case studies for a list of case studies by product.

MEDICAL TRAINING AND SIMULATION

Polhemus technology is being used in break through training and simulation devices in medicine. We power ultrasound training simulators, surgery simulation, and more. Our technology best replicates actual medical procedures, enabling top-notch training for medical professionals.

INDUSTRIAL TRAINING AND SIMULATION

Our customers have cut costs and improved safety by utilizing our technology in industrial training and simulation. Our robust technology is ideal for withstanding heavy use and we’re the trusted choice for applications in training and simulation for welding, virtual reality spray paint applications, and more.

FLIGHT TRAINING AND SIMULATION

Many pilots around the world have mastered their craft using flight training simulators powered by Polhemus trackers. Our simulators mimic the real world environment more than any other technology available. Because the same technology is used on flight simulators as we use on live aircraft, we are able to achieve the most realistic training experience possible.

PILOT HEAD TRACKING—LIVE AIRCRAFT

Polhemus tracking technology is the top choice for the military–especially when it comes to head tracking. Our technology powers head tracking on the Air National Guard F-16, A-10 and the United States Air Force C-130 Gunship aircraft. Any of our motion trackers can be used for head tracking, but our premiere head tracker is SCOUT™.

SPORTS MOTION ANALYSIS

Some of the world’s top athletes have utilized Polhemus motion tracking systems to measure and improve their performance. The United States Olympic Team has used our trackers in various ways, including sports motion analysis for weight lifting and sports motion measurement in gymnastics. Pro golfers trust our systems for the best tracking in golf swing analysis to improve and measure their game.

BIOMECHANICS

Whether its hand tracking, gait analysis, or head tracking, researchers in biomechanics choose Polhemus trackers because of the precision level tracking we deliver—we can measure the slightest of human movements. Our tracking technology is so robust, it can capture rapid movement. To illustrate this, we tracked the hands of a master pianist.

NEUROSCIENCE

Our products have been used in many neuroscience applications. Our technology has aided in research in the specific areas of autism–tracking response times, Parkinson’s disease—tracking hand tremors, and also we are the top tracking choice for use with EEG caps in conjunction with our 3D digitizer.

VIRTUAL PHYSICAL REHABILITATION

How do you measure improvement? Our products are powering the latest in virtual reality in physical therapy and rehabilitation applications. With no special lighting, and no line-of-sight necessary, our portable tracking products are ideal for tracking motion to track progress—in labs, hospitals, clinics, and more. Measuring improvement just got easier.

AGRICULTURE

Used in conjuction with one of our tracking products, our 3D Digitizers are used in a wide array of applications, including agricultural studies. In China, FASTRAK® has been used as a digitizer to study agriculture, specifically the study of plant growth under different climate and soil conditions. Two studies were done, one focused on rice growth and the other on the growth of corn, in various conditions.