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https://www.nist.gov/el/enhancing-maintenance-strategies-manufacturing-operations/technologies

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# Technologies

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## Position Verification Sensor with Discrete Output (PVS)

**Description:** A low-cost, minimal footprint sensor that provides pass/fail output of key insertion within a specifically-sized keyway; The sensor is designed in a modular fashion such that the change in accuracy of the key insertion can measured to desired tolerances.

Technology developed in support of the *Identification and Isolation of Robot Workcell Accuracy Degradation*test method.

**Challenge:** It can be costly to determine if the health of a robot workcell has degraded BEFORE quality and/or productivity is impacted. 

**Solution/Resulting Product:** A low-cost, minimally invasive method to efficiently assess the change in accuracy at various points along the kinematic chain (e.g., robot arm, gripper) with respect to the workspace

**Download the Published Non-Provisional Patent Application**

**Technical Contact**: brian.weiss [at] nist.gov (Brian Weiss)

## Dynamic High Accuracy 6-D Measurement System with a Vision Agnostic Non-blocking Smart Target

**Description:** A smart target that integrates with a vision system to acquire high-accuracy, real-time 6-D information at high speed 

Technology developed in support of the *Robot Accuracy Degradation Assessment* test method. 

**Challenge:** Robot accuracy degradation can negatively impact operations and is relatively difficult to be detect unless compromised part quality, obvious failure, or stop occurs.

**Solution/Resulting Product:** A robot health assessment method to assess a robot’s tool center accuracy degradation in as little as 10 minutes  

**Download the Published Non-Provisional Patent Application**
http://www.nist.gov/el/maintenance

**Technical Contact**: guixiu.qiao [at] nist.gov (Helen Qiao)

## Inertial Measurement Unit (IMU) for Smart Machine Tools

**Description:**A precision inertial measurement unit (IMU) that provides knowledge of changing linear axis performance to maintain quality of parts produced by machine tools and prevent unplanned downtime

**Challenge:**Machine tools are vital for production, but wear causes unknown performance changes and unplanned downtime, so manufacturers asked if they could have “machine health in 5 min?”

**Solution/Resulting Product:**An IMU-based method for near real-time and on-machine (no setup time!) measurement science to diagnose machine tool performance & root causes of faults

**Download the Published Non-Provisional Patent Application**

**Technical Contact**: gregory.vogl [at] nist.gov (Greg Vogl)

## Contacts

                -  Gregory W. Vogl  gregory.vogl@nist.gov      (301) 975-3198   
                -  Helen Qiao  guixiu.qiao@nist.gov      (301) 975-2865   

-  **‹** Software & Tools 

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