Door Operator Intrusion Detection via Sensor Data Ranking
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Solution Overview
Problem
Door operator systems are vulnerable to intrusion attempts, leading to potential damage and increased costs, as they are often unattended during non-operational hours, and existing security measures may not respond in time to prevent damage.
Innovation Solution
A door operator system with a control unit that monitors input data from various sensors to detect and rank the probability of an intrusion attempt, triggering alarms or security responses based on the ranking, such as activating lights, speakers, or sending alerts to remote entities via a radio communication interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the door operator system remains in sleep mode to save energy, then energy consumption is reduced, but the system cannot detect intrusion attempts in time
Solution Approach 1:
The system dynamically transitions between sleep mode and active monitoring mode based on detected anomalies. Sensors continuously monitor in low-power state, and upon detecting unusual patterns (multiple failed access attempts, forced entry signs), the system activates full monitoring capabilities to evaluate intrusion probability, thus balancing energy savings with security needs
Solution Approach 2:
The system performs preliminary evaluation of sensor data to assess intrusion probability before fully activating security responses. By analyzing sensor inputs and ranking intrusion likelihood in advance, the system can prepare appropriate countermeasures while maintaining energy efficiency during low-risk periods
2Reliability
If traditional burglar alarms are used, then intrusion detection is provided, but the response time is too slow to prevent damage
Solution Approach 1:
The system continuously monitors sensor data and performs preliminary assessment of intrusion probability before actual intrusion occurs. By evaluating sensor inputs and ranking potential threats in advance, the system can trigger preventive measures earlier than traditional alarms that only react after intrusion begins
Solution Approach 2:
The system uses feedback from multiple sensors (movement, sound, pressure) to continuously update intrusion probability assessment. This real-time feedback loop enables the system to detect and respond to intrusion attempts faster by accumulating evidence progressively rather than waiting for a single triggering event
3Loss of energy
If the door operator system is kept unattended to reduce operational costs, then operational expenses are reduced, but security monitoring capability is weakened
Solution Approach 1:
The door operator system performs self-monitoring using integrated sensors and autonomous intrusion evaluation capabilities. The control unit automatically analyzes sensor data, ranks intrusion probability, and triggers appropriate responses without requiring constant human supervision, thus maintaining security while reducing operational costs
Solution Approach 2:
The control unit serves multiple functions: normal door operation control, energy management, sensor data analysis, intrusion probability evaluation, and security response coordination. This multi-functionality eliminates the need for separate dedicated security monitoring systems, reducing overall operational costs while maintaining comprehensive security
Data Source
AI summary
The present invention relates to a door operator (1) and to a method performed in a door operator system (100) comprising a door operator (1) connected to and arranged to move at least one door leaf (5) between an open and closed position, the door operator (1) comprising a control unit (3) configured to control the movement of the at least one door leaf (5), the method comprising: obtaining (S100), in a sleep mode of the door operator system (100), a sequence of input data in one or more components of the door operator (1) or the at least one door leaf (5), receiving (S110), in the control unit (3) of the door operator (1), said sequence of input data from the one or more components, and evaluating (S120) said sequence of input data and ranking (S130) the probability of that said sequence of input data corresponds to an intrusion attempt on the door operator system (100).