Method for monitoring and diagnosing indoor air quality (IAQ) sensor on line
A technology of sensors and inner air, applied in instruments, special data processing applications, electrical digital data processing, etc., can solve the problems of high cost, waste of manpower and material resources, and increased cost of sensors, and achieve strong pertinence, good initiative, low cost effect
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[0037] The preferred embodiments of the present invention are described in detail below, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0038] Embodiments of the invention include:
[0039] A method for on-line monitoring and diagnosing IAQ sensors, the method is based on an IAQ sensor virtual model through a control chart for IAQ sensor on-line monitoring and diagnosis, the control chart will IAQ sensor virtual model predicted IAQ parameter value and sensor Mean differences and variances between measured IAQ parameter values were monitored.
[0040] The construction method of the control chart is as follows:
[0041] a. Select N from the HVAC system to remove outliers train A training data set consisting of measurements and N in chronological order test A test data set consisting of consecutive data points,
[0042] The r...
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