Internet-of-things potential safety hazard monitoring method for extracting electric appliance fingerprints based on LDO
A technology of safety hazards and the Internet of Things, which is applied in the direction of instruments, electrical variable adjustment, control/regulation systems, etc., can solve problems such as difficult power analysis, power and size limitations, and achieve the effect of monitoring safety hazards
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[0071] The present invention proposes a method for monitoring potential safety hazards of the Internet of Things based on digital LDO for electrical appliance fingerprint extraction, the flow chart of which is as follows figure 1 As shown, it can be divided into the following steps:
[0072] Step 1: Obtain the number of power transistors controlled by the digital LDO circuit;
[0073] Step 2: Get the LDO input voltage;
[0074] Step 3: Calculate the fingerprint of the electrical appliance in the running state of the device;
[0075] Step 4: Judging the operating status of the device according to the fingerprint of the appliance;
[0076] Step 5: Monitor the running status of the equipment. If there is an abnormal change, it will give an alarm and exit, otherwise, it will return to step 1 and carry out the monitoring behavior within the next clock.
[0077] 1. Obtain the number of power transistors controlled by the digital LDO circuit
[0078] The invention utilizes the r...
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