How are industrial robotic arms different from humanoid robots?

Industrial robotic arms and humanoid robots differ primarily in their design, purpose, and physical structure.

• Design and Form: Industrial robots are typically designed as stationary, programmable manipulators consisting of a sequence of links and joints, such as an arm-and-body section and a wrist. They do not resemble human beings. In contrast, a robot built in human form is specifically referred to as an android.123
• Purpose and Function: Industrial robotic arms are engineered for precision, strength, and the performance of repetitive or hazardous manufacturing tasks, such as stacking metal parts or assembling components. Humanoid robots are built to imitate human movement and are often the subject of research into social interaction, speech, and gesture recognition.13
• Structure: While both rely on components like sensors, actuators, and control systems, their physical structures serve different goals. The structure of an industrial arm determines its work envelope—the space it can reach to manipulate tools or materials. Humanoid robots, however, are structured to replicate the physical capabilities and appearance of a human being.23

It is essential to recognize that while these machines automate tasks traditionally performed by humans, the development of autonomous systems carries significant ethical responsibilities regarding safety, employment, and public trust.3