Voice Appliance Control Using Child Knowledge Graphs
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Solution Overview
Problem
Intelligent electrical appliances with voice control functions pose safety hazards, particularly for children, as they may inadvertently control appliances that can lead to irreversible damage or safety threats, such as fires, due to lack of safety knowledge.
Innovation Solution
A method and apparatus that utilize a child knowledge graph to determine if a voice control instruction is valid for an electrical appliance, limiting control to only those appliances and attributes within the graph, ensuring safe operation by preventing unauthorized control of unsafe appliances and setting attribute values within safe ranges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If voice control function is added to electrical appliances, then ease of operation is improved, but safety is worsened due to children's unauthorized control
Solution Approach 1:
A voiceprint recognition module is introduced as an intermediary between the user and the electrical appliance control system. This module verifies the user's identity before allowing voice control commands to be executed, thereby preventing children from unauthorizedly controlling appliances while preserving the convenience of voice control for authorized users.
Solution Approach 2:
The system performs preliminary voiceprint recognition and identity verification before executing any voice control commands. By establishing user authorization in advance, the system ensures that only authorized individuals can control the electrical appliances, preventing safety hazards before they occur.
2Ease of operation
If children are allowed to control any electrical appliance, then ease of operation is improved, but reliability is worsened due to irreversible damage risk
Solution Approach 1:
The voiceprint recognition module serves as an intermediary that filters control commands based on user identity. It allows children to freely issue voice commands while blocking commands for appliances they are not authorized to control, thus maintaining ease of operation for authorized users while protecting appliance reliability.
Solution Approach 2:
The system establishes authorization rules in advance, determining which children can control which appliances. This preliminary configuration ensures that even if children attempt to control unauthorized appliances, the system has already prepared the necessary restrictions to prevent damage and maintain reliability.
3Object-affected harmful factors
If voice control is restricted for children, then safety is improved, but ease of operation is worsened due to limited control
Solution Approach 1:
The system applies different control permissions to different children based on their individual authorization profiles. Instead of uniformly restricting all children, the system allows each child to control specific appliances they are authorized for, thereby maintaining safety for high-risk appliances while preserving operational convenience for age-appropriate devices.
Solution Approach 2:
Authorization rules are configured in advance, specifying which children can control which appliances. This preliminary setup ensures that safety-critical appliances are protected while still allowing children convenient access to safe appliances, balancing safety improvement with operational ease.
Data Source
AI summary
A method for controlling an electrical appliance, and a non-transitory computer-readable storage medium. The control method comprises: receiving a voice control instruction (S101); when the identity of a user who issued the voice control instruction is determined to be a child, acquiring a child knowledge graph (S102); when determined that a control object is a first electrical appliance, determining whether a knowledge expression corresponding to the first electrical appliance exists in the child knowledge graph (S103); if a knowledge expression corresponding to the first electrical appliance doesn't exist in the child knowledge graph, then not responding to the voice control instruction; otherwise, carrying out processing on the voice control instruction according to the knowledge expression corresponding to the first electrical appliance in the child knowledge graph (S104).