Anomaly monitoring and alarming system and method for transportation management system
A transportation management system and abnormal monitoring technology, applied in the transmission system, digital transmission system, data exchange network, etc., can solve the problems of false alarms in the alarm system, abnormal situation classification interception and alarm, etc., to improve accuracy and effectiveness , Prevent false positives, avoid false positives
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Embodiment 1
[0053] The embodiment of the abnormal monitoring and alarm system used in the transportation management system of the present invention is basically as attached figure 1 As shown, it includes: indicator data module, threshold model setting module, anomaly detection module, anomaly classification module, alarm module, and interception module.
[0054] The indicator data module includes a real-time indicator data module and a historical indicator data module, which obtain real-time indicator data and historical indicator data of monitored indicator items respectively, and send the real-time indicator data and historical indicator data to the threshold model setting module. The threshold model setting module uses the exponential smoothing method to generate the threshold model of each index according to the historical index data of the index, and sends the real-time index data to the anomaly detection module.
[0055] The anomaly detection module judges the received real-time ind...
Embodiment 2
[0069] The only difference from Example 1 is:
[0070] The anomaly detection module uses Naive Bayesian algorithm to screen abnormal information and determine normal emails. The algorithm is simplified on the basis of the Bayesian algorithm: it is assumed that the attributes are conditionally independent of each other when the target value is given, that is to say, no attribute variable has a large proportion for the decision result, and it is also No attribute variable has a small proportion to the decision result. In practical application scenarios, this can greatly simplify the complexity of Bayesian algorithms.
[0071]The exception classification module uses the Rocchio algorithm to classify normal emails into six categories: denial of service attacks, unauthorized access attempts, pre-detection attacks, suspicious activities, protocol decoding, and system proxy attacks. This algorithm is an efficient classification algorithm, which is widely used in text classification...
Embodiment 3
[0073] The only difference from Embodiment 1 is that during transportation, the index data module obtains the time-varying curve of the total weight of the transportation means and the goods being transported through the pressure sensor. Due to the deceleration ridges and uneven road conditions during transportation, the driver will brake suddenly and accelerate rapidly. Therefore, due to the action of inertial force, the total weight of the transport tool and the transported goods acquired by the pressure sensor will fluctuate to a certain extent over time. But this range is usually very small, such as 1%; the duration is also very short, such as a few minutes. When the abnormal detection module detects that the peak of the total weight in the oscillation state exceeds a preset threshold (such as 2%) and lasts for a long time (such as 1 hour), the abnormal information is removed. The fluctuation of the total weight is too large and lasts for a long time, indicating that it i...
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