Passenger Detection System Movement Sequence Analysis
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Solution Overview
Problem
Existing methods for detecting movement sequences and controlling access are susceptible to misuse due to inaccurate counting of people or objects, especially when they are close together, leading to potential unauthorized passage.
Innovation Solution
A contactless detection system using a passerby detection system with multiple sensors arranged vertically or diagonally, which evaluates movement states to recognize sequences, differentiate between people and objects, and determine direction and number of individuals or objects, employing a computer unit for pattern recognition and outputting alerts or control signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional movement detection systems are used, then the system structure is simple, but the detection accuracy deteriorates when people or objects are close together
Solution Approach 1:
The detection system is divided into multiple independent sensor units, each capable of detecting movement states individually. This segmentation allows the system to accurately count and distinguish between multiple people or objects even when they are close together, as each sensor unit processes detection independently without interference from adjacent detections.
Solution Approach 2:
The patent introduces a temporal dimension to the detection process by detecting movement states at different times rather than simultaneously. This temporal sequencing allows the system to distinguish between closely spaced objects by analyzing the time order of their passage through the detection zone, adding a new dimension to the detection capability without significantly increasing spatial complexity.
2Reliability
If simple detection zones are used, then the device complexity is low, but the reliability of access control deteriorates due to inaccurate counting
Solution Approach 1:
The system incorporates feedback mechanisms where the evaluation unit continuously monitors and verifies detection results against expected patterns. When movement states are detected, the system provides feedback to verify whether the detection corresponds to a valid person or object passage, allowing for real-time correction of detection errors and ensuring reliable access control decisions.
Solution Approach 2:
The system performs preliminary detection and evaluation of movement states before final access control decisions are made. By pre-processing and validating detection data through the evaluation unit, the system ensures that only accurate and verified information is used for access control, preventing misuse while maintaining system reliability.
3Measurement precision
If multiple sensors are deployed to improve detection accuracy, then the measurement precision improves, but the use of energy increases
Solution Approach 1:
The sensor units operate in a periodic manner, detecting movement states at specific time intervals rather than continuously. This periodic detection allows the system to maintain high measurement precision through multiple sensors while significantly reducing energy consumption compared to continuous operation, as sensors can be activated only when movement is detected or at predetermined intervals.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables accurate detection of movement sequences even at small distances between individuals or objects, preventing unauthorized access by distinguishing between people and objects, and providing reliable access control with minimal resource usage.
Implementation Method 1
the sensor unit is designed as a light barrier, one-way light barrier, reflection light barrier and/or light grid
Data Source
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AI summary
The present invention relates to a method for the non-contact detection of at least one movement sequence (4), comprising at least one sensor unit (10) for detecting at least one movement state (2) within a detection range (12) of the sensor unit (10), a transmitter unit (20) for transmitting the at least one detected movement state (2), a computer unit (30) with a receiver unit (32) for receiving the at least one detected movement state (2), with an evaluation unit (34) for evaluating the at least one detected movement state (2), and with a provision unit (36) for providing the at least one evaluated movement state (2) and/or the at least one detected movement sequence (4). The present invention further relates to a pedestrian detection system (1) for carrying out the method.