![Twin Arrows Navajo Casino Resort launches first security robot in Arizona | Navajo-Hopi Observer | Navajo & Hopi Nations, AZ Twin Arrows Navajo Casino Resort launches first security robot in Arizona | Navajo-Hopi Observer | Navajo & Hopi Nations, AZ](https://westernnews.media.clients.ellingtoncms.com/img/photos/2018/07/03/Robot_.jpg)
Twin Arrows Navajo Casino Resort launches first security robot in Arizona | Navajo-Hopi Observer | Navajo & Hopi Nations, AZ
![Actuators | Free Full-Text | High-Bandwidth Active Impedance Control of the Proprioceptive Actuator Design in Dynamic Compliant Robotics Actuators | Free Full-Text | High-Bandwidth Active Impedance Control of the Proprioceptive Actuator Design in Dynamic Compliant Robotics](https://www.mdpi.com/actuators/actuators-08-00071/article_deploy/html/images/actuators-08-00071-g002.png)
Actuators | Free Full-Text | High-Bandwidth Active Impedance Control of the Proprioceptive Actuator Design in Dynamic Compliant Robotics
![Big Brother on wheels? Fired security robot divides local homeless people | San Francisco | The Guardian Big Brother on wheels? Fired security robot divides local homeless people | San Francisco | The Guardian](https://i.guim.co.uk/img/media/451b4504ed9edc03e75c63f055bfecba6ca3f8de/0_133_2920_1752/master/2920.jpg?width=1200&height=1200&quality=85&auto=format&fit=crop&s=ea962469405a2b0119cbf1b6d01a68de)
Big Brother on wheels? Fired security robot divides local homeless people | San Francisco | The Guardian
![Sensors | Free Full-Text | Quadcopter UAVs Extended States/Disturbance Observer-Based Nonlinear Robust Backstepping Control Sensors | Free Full-Text | Quadcopter UAVs Extended States/Disturbance Observer-Based Nonlinear Robust Backstepping Control](https://www.mdpi.com/sensors/sensors-22-05082/article_deploy/html/images/sensors-22-05082-g001.png)
Sensors | Free Full-Text | Quadcopter UAVs Extended States/Disturbance Observer-Based Nonlinear Robust Backstepping Control
![Cascaded continuous sliding mode control for tracked mobile robot via nonlinear disturbance observer - ScienceDirect Cascaded continuous sliding mode control for tracked mobile robot via nonlinear disturbance observer - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0045790621005152-ga1.jpg)
Cascaded continuous sliding mode control for tracked mobile robot via nonlinear disturbance observer - ScienceDirect
![Starfinder Masterclass Miniatures by Ninja Division Publishing » Observer-class security robots unlocked and sculpted! Alien Archive playable races shown! — Kickstarter Starfinder Masterclass Miniatures by Ninja Division Publishing » Observer-class security robots unlocked and sculpted! Alien Archive playable races shown! — Kickstarter](https://ksr-ugc.imgix.net/assets/018/673/413/b22af208f56761fb0dba55811b3192aa_original.jpg?ixlib=rb-4.0.2&w=700&fit=max&v=1507572829&gif-q=50&q=92&s=7bc67e31ef5d3239c630692ea4cd7695)