Access System Pivot Arm Dynamic Control
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Solution Overview
Problem
Existing access systems are inflexible and lack effective security measures, as they operate according to fixed specifications, making it difficult to adapt to changing conditions and inadequately preventing unauthorized passage, especially in high-traffic areas like supermarkets where objects can be stolen by individuals passing through in the opposite direction during normal operation.
Innovation Solution
The access system can operate in multiple modes, dynamically adjusting its settings based on real-time sensor data to ensure secure and efficient passage, including a normal operating mode and a panic mode, with adjustable parameters and sensors to detect and respond to varying conditions, such as the number, speed, and direction of individuals, and the use of a controller to manage the pivot arm element's operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the access system operates according to fixed specifications, then the control logic is simple, but the system cannot react flexibly to changing operating conditions
Solution Approach 1:
The patent implements dynamic control by continuously measuring sensor data (person detection, movement direction, speed) and adjusting the pivot arm element's behavior in real-time. The controller dynamically modifies opening duration, opening speed, and closing speed based on current operating conditions rather than following fixed predetermined patterns, allowing the system to adapt flexibly to different situations.
2Productivity
If the pivot arm element remains open longer to allow authorized passage, then the throughput increases, but unauthorized passage against the normal operating direction becomes more likely
Solution Approach 1:
The patent employs feedback control by continuously monitoring sensor data during the pivot arm element's operation. The controller detects persons in the access area, determines their movement direction and speed, and uses this feedback information to dynamically adjust the opening duration and closing behavior. This real-time feedback allows the system to maximize authorized passage while minimizing security risks.
Solution Approach 2:
The patent applies partial action by providing different levels of security based on the situation. For authorized persons moving in the normal direction, the system provides full access with appropriate opening duration. For persons moving in the opposite direction or detected as potential threats, the system applies excessive security measures by closing the pivot arm element more quickly or reducing opening duration, thus balancing throughput and security.
3Speed
If the access system opens quickly in panic mode, then evacuation speed increases, but the risk of unauthorized passage in normal mode increases
Solution Approach 1:
The patent implements parameter changes by switching between different operational parameters based on the detected mode. In panic mode, the system changes parameters to prioritize speed: the pivot arm element opens quickly and remains open for an extended period to facilitate rapid evacuation. In normal mode, the system uses different parameters that prioritize security: shorter opening durations and more controlled opening/closing speeds. This dynamic parameter adjustment resolves the contradiction between evacuation speed and security.
Data Source
AI summary
The present invention relates to the operation of an access system in line with requirements. If a normal operating mode is sensed, the following is carried out: measuring preconfigurable sensor data in order to determine a requirement parameter set of the access system, at least one dynamized setpoint value for controlling the access system being calculated from the determined requirement parameter set, and controlling the pivot arm element by means of the dynamized setpoint value such that operation of the access system in line with requirements is continuously ensured. If a special operating mode is sensed, the following is carried out: reading in a special operation configuration parameter set and controlling the pivot arm element by means of the special operation configuration parameter set which has been read in.