remote-controlled
Học thuậtThân thiện
Definition
- Adjective:
- Operated from a distance by a person or device: Describes a machine, vehicle, or device that is controlled from a distance, typically by using radio signals, infrared light, or a wire, without a human operator physically present on or in it.
Usage
- The primary use of "remote-controlled" is as an adjective to modify a noun, describing its method of operation.
- It is typically hyphenated when used before a noun.
- It implies the absence of a direct, onboard human controller.
Examples
- Adjective:
- The children played with a remote-controlled car in the park.
- The military uses remote-controlled drones for surveillance.
- He built a remote-controlled boat for the science fair.
Advanced Usage
- "to be remote-controlled": Used in a predicate adjective construction.
- The entire lighting system for the house is remote-controlled.
- Implied meaning of autonomy: While "remote-controlled" specifies human control from a distance, it is often a foundational technology for more autonomous systems. The reference context highlights this by equating it with "lacking a crew."
Variants and Related Words
- Remote control (noun): The device or system used to operate something from a distance.
- He lost the remote control for the television.
- Remotely (adverb): In a remote manner; from a distance.
- The valve can be operated remotely.
- Teleoperated (adjective): A more technical synonym, especially for complex machines.
- Drone (noun): Often, but not always, a remote-controlled unmanned aircraft.
Synonyms
- Teleoperated
- Radio-controlled (a specific type of remote control using radio waves)
- Unmanned (emphasizes the lack of a human operator onboard but doesn't specify remote control)
Antonyms
- Manned
- Manual (operated directly by hand)
- Autonomous (operating independently without real-time human control)
Related Phrases/Concepts
- Line-of-sight control: A limitation where the operator must be able to see the device for control, common in hobbyist models.
- Beyond visual line of sight (BVLOS): Advanced operation where the device is controlled without the operator seeing it directly, common in commercial and military drones.
- The concept is central to fields like robotics, aeronautics, and hazardous environment operations.
Adjective
- lacking a crew
- an unmanned satellite to Mars