What Are Autonomous Robots?

Autonomous robots can “see” and “think” for themselves, navigating their environment without the need for human guidance.

Written by Brooke Becher
Published on Mar. 27, 2025
A group of autonomous robot arms working on an assembly line.
Image: Shutterstock

Autonomous robots are machines that can perceive their environment and make decisions without any human intervention. With the help of sensors, cameras and artificial intelligence, they move through the world based on a constant intake of information from their surroundings, which is then processed and formulated into real-time, decisive action. As a result, they can adapt to new situations, learn from past experiences and perform tasks with increasing precision and efficiency.

Autonomous Robots Definition

Autonomous robots are intelligent machines that operate independently, making decisions and carrying out tasks without human control or supervision.

From robotaxis and drones to warehouse cobots and vacuum cleaners, autonomous robots come in many forms. Rather than serving as simple tools under human control, these machines are evolving into collaborative partners — capable of working alongside people with increasing independence. And as technology advances, autonomous robots will become even more integrated into daily life, playing a larger role in smart cities, healthcare, manufacturing and even space exploration.

 

What Are Autonomous Robots?

Autonomous robots are machines designed to perform tasks without human intervention. They use sensors — like cameras, LiDAR, radar and GPS — to gather data and “perceive” their surroundings. This information is then processed through advanced algorithms, allowing the robot to make decisions, navigate obstacles, plan courses of action and execute tasks in real-time. And, thanks to continuous feedback loops and machine learning, they can also adapt to their changing environment and adjust behavior as needed.

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Examples of Autonomous Robots

Waymo’s Robotaxis

Waymo’s driverless cars can drive themselves using tools like LiDAR and radar. | Waymo

Powered by LiDAR, radar and AI-powered vision, Waymo’s driverless robotaxis make real-time decisions based on pedestrian walking patterns, traffic flow and dynamic road conditions. Out of 7.1 million total miles driven, the company reported only three crashes that resulted in injury and zero deaths. They’re currently deployed in cities like Phoenix, San Francisco, Los Angeles and Austin. 

Boston Dynamics’ Robodog, Spot

Spot can climb stairs, recover from calls and carry payloads up to 30lbs. | The Verge

Spot is a quadrupedal robot primarily built for industrial inspections, surveillance and navigating hazardous environments. Using five stereo cameras, LiDAR and advanced AI, it can climb stairs, carry payloads up to 30lbs. and recover from falls. With a modular design that supports robotic arms, thermal imaging and 3D mapping, Spot has already been deployed by organizations like NASA and BP to conduct remote inspections in dangerous or hard-to-reach locations.

Amazon’s Warehouse Robots 

Amazon’s family of autonomous robots includes a sorting arm and a cobot named Sequoia. | Amazon News

Amazon has deployed more than 750,000 autonomous robots in its warehouses. Its family of cobots features Sequoia, an AI-driven containerized storage system; Hercules, a Roomba-like mobile robot that delivers shelves to employees and Sparrow, a robotic sorting arm that moves items from container to designated totes before handing off to employees for packaging. Its first autonomous robot, Proteus, is another hockey puck-shaped mobile robot that navigates warehouse floors as it transports containers alongside human workers, launched in 2022. 

Intuitive’s Da Vinci Surgical System

The Da Vinci Surgical System can autonomously lift tissue, use a needle and suture a wound. | Hennepin Healthcare

Intuitive’s Da Vinci Surgical System is an AI-assisted robotic platform capable of minimally invasive surgery. And while it’s by no means fully autonomous, researchers at Johns Hopkins and Stanford have integrated the preexisting system with a vision-language model, allowing the robot to autonomously perform three surgical tasks: lifting tissue, using a needle and suturing a wound. This advancement — which was achieved through imitation learning — shows that the robot can take on tasks without the need for traditional programming, paving the way forward for autonomous surgical systems.

Zipline’s Delivery Drones

Zipline’s drones deliver medical supplies, vaccines and blood around the world. | CNBC Television

Zipline’s autonomous drones are known for delivering medical supplies, vaccines and blood to remote areas. Using GPS and computer vision, these electric, fixed-wing aircrafts navigate dynamic terrains to access hard-to-reach areas. Now serving 4,500 health facilities, the company’s first model delivered blood to Rwandan hospitals and clinics, and, in select cities in the United States, delivers commercial goods “store to door” to homes within a 10-mile radius.

Wandercraft’s Robotic Exoskeleton, Atalante X

Atalante X helps people with lower limb disabilities stand upright, walk and navigate stairs. | Wandercraft

Developed by Wandercraft, Atalante X is a hands-free exoskeleton designed to help people with spinal cord injuries and neuromuscular disorders regain movement through autonomous gait training. Unlike traditional exoskeletons that require crutches or external support, Atalante X uses advanced AI and self-stabilization technology to enable standing upright, natural walking and navigating stairs in those with lower limb disabilities.

 

What Makes a Robot Autonomous?

There are robots, and then there are autonomous robots. The difference is in the machine’s ability to operate independently, without human supervision. Standard robots either follow pre-programmed instructions or require direct input (or both), while an autonomous robot can “see” its environment, make decisions and adapt to changes, thanks to the following components:

Sensors

LiDAR, radar, gyroscopes, cameras and ultrasonic sensors help autonomous robots detect obstacles, map environments and gauge distances in real-time. For example, LiDAR creates detailed 3D maps of a robots’ surroundings, while cameras help identify objects and recognize movement patterns. Together, they make it possible for the robot to “see,” navigating complex terrains and avoiding collisions.

Actuators

Actuators — including motors, servos and hydraulics — convert electrical signals into mechanical movement, enabling the robot to perform physical actions like moving, lifting or rotating.

Control Systems

Control systems allow robots to process inputs from sensors and adjust their behavior accordingly. By using continuous feedback loops, control systems constantly monitor a robot’s performance, then make adjustments as necessary. 

AI and Machine Learning

Autonomous robots process data collected from various sensors using various forms of artificial intelligence — specifically machine learning and neural networks. These systems analyze and interpret data to make real-time decisions, allowing robots to navigate their environment, perform tasks and adapt to new situations, getting better over time.

Connectivity

Autonomous robots use communication technologies like Wi-Fi, Bluetooth and cellular networks to transmit and receive data. These systems facilitate cloud connectivity for data processing, software updates and remote monitoring, while also enabling robots to communicate and interact with other devices.

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Benefits of Autonomous Robots

Letting machines take charge with minimal guidance is a valuable asset across nearly every sector, with endless possibilities — it’s just a matter of technology catching up.

More Efficient

Autonomous robots can help make work more efficient by using smart sensors and AI to rapidly assess situations as they play out. This ability to make decisions on their own, constantly processing information and making the necessary changes, results in smooth operations with fewer delays. In fact, for every one percent increase in robot adoption, companies experience an 0.8 percent increase in productivity

Continuous Operation

Autonomous robots can work non-stop, 24/7, so long as they’re connected to a power source and in good working condition. Unlike their human counterparts, they do not need breaks or time off.

Improved Safety

One of the main advantages of autonomous robots is their ability to operate in hazardous environments, taking on dangerous jobs — from deep-space exploration to military operations — so that humans don’t have to. With AI, sensors, and machine learning advancing rapidly, autonomous technology is now making it possible for machines to perform these tasks without even needing remote control.

Reduced Errors

It’s estimated that 80 to 90 percent of serious workplace injuries and the majority of car accidents are caused by human error. With their AI-driven decision-making, real-time data processing and precise control systems, autonomous robots have the potential to eliminate these kinds of mistakes altogether once they are more widely deployed.

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Challenges of Autonomous Robots

Despite their many benefits, robots that can do everything themselves still pose several setbacks.

High Initial Cost

Although they are typically cost-effective in the long run, setting up autonomous robots is expensive initially. According to the International Federation of Robotics, companies investing in automation can spend anywhere from $25,000 to $400,000 — and that’s not including extra costs for infrastructure, training and maintenance. This doesn’t seem to be deterring many, though, as the installation of robots on a global scale has doubled since 2015.

Technical Limitations

The more unpredictable an environment is — like roadways or crowded spaces — the more an autonomous robot will struggle. For example, heavy rain or snow can impair a self-driving car’s sensors and cameras, which impacts their decision-making capabilities and overall reliability. Whether autonomous robots can totally overcome this factor is highly questionable.  

Overdependence

Depending too much on robotic technology can lead to a loss of critical human skills. If robot workforces malfunction or come across unforeseen challenges, these scenarios can severely disrupt operations, leaving organizations unprepared to handle situations manually.

Job Displacement

As autonomous robots increasingly enter the workplace, concerns about job displacement are becoming more prominent. The integration of AI and robotics has the potential to automate a significant number of roles, particularly those involving repetitive, manual tasks. According to a World Economic Forum survey, employers expect to cut their workforce by 41 percent over the next few years. At the same time, though, the advancement of autonomous robots could also create new job opportunities — but these roles may require different skills and expertise than the ones that are being replaced.

Frequently Asked Questions

An autonomous robot is a machine that uses sensors, AI and control systems to perform tasks without human intervention.

Autonomous robots operate independently, using sensors and AI to make decisions, while controlled robots rely on direct human input or pre-programmed instructions to function.

They’re already here! These days, autonomous robots are everywhere — from self-driving robotaxis to the Roomba vacuum cleaner.

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