How to solve the problem of smart light control? AI big model makes smart light control say goodbye to "rigidity"!

Written by
Caleb Hayes
Updated on:July-17th-2025
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AI big models bring revolutionary breakthroughs to smart light control, making the interaction more natural and smooth.

Core content:
1. Limitations and challenges of traditional smart light control
2. How AI big models accurately understand user intentions
3. Smart light control architecture and advantages based on big models

Yang Fangxian
Founder of 53AI/Most Valuable Expert of Tencent Cloud (TVP)

With the rapid development of Internet of Things (IoT) technology, smart home devices have been deeply integrated into our daily lives. Smart lights, smart sockets, smart door locks and other products make life more convenient. However, traditional smart device control methods, especially those based on rule matching, have many limitations in understanding user intentions. The emergence of large models (LLM, Large Language Model) has brought new hope to this field, especially in the precise control of smart lights, showing great potential.

Challenges of Traditional Smart Device Control

Traditional smart device control mainly relies on preset commands and rule matching, which has obvious shortcomings:

  • The command format is fixed : users must strictly follow a specific syntax to enter instructions, such as "turn on the lights in the living room", which lacks flexibility in expression.

  • Difficulty in handling ambiguous expressions : Traditional methods find it difficult to accurately parse natural language such as "The lights over here are too dim, please turn them up a little."

  • Lack of contextual understanding : When the user issues commands continuously, such as "turn on the light" → "brighter" → "brighter", the device cannot understand the relationship between the subsequent commands and the previous ones.

These problems limit the interactive experience of smart devices, and the introduction of large models is expected to break through these bottlenecks and make smart light control more natural and easy to use.

How to understand intent using large models

With its powerful natural language processing (NLP) capabilities, the big model can accurately grasp user intentions through semantic analysis and contextual reasoning, and convert them into specific device control instructions.

Semantic Analysis

The big model can parse complex sentences and extract the core intent and device parameters. For example, when a user enters "I feel the living room is a bit dark", the big model can recognize that the intent is to brighten the lights, the device is the living room light, and the operation is to increase the brightness.

contextual reasoning

When faced with multiple instructions issued continuously by the user, the big model can infer reasonable control logic based on the context. For example:

  1. The user says "turn on the bedroom light", with the clear intention of turning on the bedroom light.

  2. Then when I say "a little dimmer", the big model understands that I want to lower the brightness of the bedroom light that has just been turned on.

  3. When the user says "change the color, warm tones", the large model can accurately determine that the color of the bedroom light should be changed.

Compared with traditional systems, large models can automatically complete information without the need for additional device IDs or parameters, making the interaction smoother and more natural.

Smart Light Control Architecture Based on Big Model



A complete smart light control system based on a large model usually includes the following key components:

  • Voice/text input module : receives user instructions, such as converting voice into text through automatic speech recognition (ASR) technology.

  • Intent understanding module (large model) : parses user sentences and extracts key information such as intent, equipment and parameters.

  • Instruction mapping module : converts the parsed intent into instructions that can be executed by IoT devices.

  • Device control module : Control of smart lights is achieved through protocols such as IOT platform MQTT or device local command recognition.

  • Status feedback module : returns the device status to the user, such as "the light has been turned up", so that the user can understand the operation results.

Key technologies

  • Large model API access : For example, access to the LLM large model platform for intent analysis.

  • Device mapping rules : Combined with a database or knowledge base, the parsed device name is accurately mapped to a specific IoT device.

  • Real-time control protocol : Use MQTT, Matter, Zigbee and other protocols to issue instructions and achieve remote control.

Example Implementation

Voice/text input, users may enter some more natural commands, such as "change the light to a spring color."


Intent understanding (large model analysis)

After the large model is parsed, relevant information is extracted, such as mapping "the color of spring" to RGB (0, 255, 0), and the result is returned through the function call function_call.

IoT Command Mapping

The AIHA platform executes funcitoncall to determine whether it is a local command or a cloud docking command, and then converts it into an MQTT command, for example:

{"device_id": "lightxxxx","command": "rgb","value": "00FF00"}

Equipment execution

After receiving the command, the smart light adjusts the light status and returns the execution result to complete the entire control process.

Future Outlook

The integration of big models and IoT devices has broad prospects, and can be further expanded in the following directions in the future:

  • Multi-device linkage : Users can use natural language to control multiple devices at the same time, realize "home mode", and turn on lights, air conditioning, music, etc.

  • Personalized adaptation : By learning from user historical data, smart devices can understand user preferences, such as "automatically adjust to warm light at 8 pm."

  • Offline reasoning : Use local large models to control devices, reduce dependence on the cloud, and improve privacy protection and response speed.


Conclusion

The intention understanding ability of the big model has brought revolutionary changes to smart light control. Compared with the traditional rule-based matching method, the big model can handle fuzzy expressions, understand the context, and accurately map to IoT device instructions, greatly improving the user experience. With the continuous advancement of AI and IoT technology, smart control based on big models will surely become the mainstream trend of smart homes in the future. Smart devices are not only about connection, but also about understanding. Let us look forward to a smarter and more convenient life together!