Fluid quality monitoring system and method

A monitoring system configured for monitoring quality of fluid in a fluid chamber, the monitoring system comprising:

• a sensing system which comprises sensing units of different types configured to measure multiple parameters of the fluid and generate corresponding measured fluid quality data and to perform self-diagnostic of an operational condition of the sensing system and generate sensing data indicative of sensing quality, and
• a control system comprising a local controller configured to be responsive to data indicative of a relation between the measured fluid quality data and the sensing quality and selectively generate operational data to initiate one or more of the following:
• generation of alarm signal indicative of an abnormal condition of the quality of the fluid,
• correction of the measured fluid quality data in accordance with the sensing quality;
• and
• replacement of one or more elements of the sensing units.

A control system for use in monitoring quality of a fluid, the control system being connected to a communication network configured for data communication with at least one monitoring system including a sensing system comprising sensing units of different types configured to measure multiple parameters of the fluid and generate corresponding measured fluid quality data and to perform self-diagnostic of an operational condition of the sensing system and generate sensing data indicative of sensing quality, said control system being configured as a computer system comprising

• a data processor and analyzer being configured to be responsive to input data from the monitoring system comprising measured fluid quality data and sensing data, to carry out the following:
• analyze the measured fluid quality data and derive therefrom qualitative and quantitative data indicative of a quality level of the fluid being measured;
• and analyze the sensing data, and upon identifying deviation of an operational condition of the sensing system from a predetermined normal condition, determining, based on a degree of said deviation, whether the quality level derived from the measured fluid quality data is affected by said deviation, and determine data indicative of a relation between the measured fluid quality data and sensing quality of said sensing system;
• and generate corresponding output data to be communicated to a local controller of said monitoring system, said output data being indicative of operational data for said sensing system aimed at initiating one or more of the following:
• generation of alarm signal indicative of an abnormal condition of the quality of the fluid being monitored, correction of the measured fluid quality data in accordance with the sensing quality;
• and replacement of one or more elements of the sensing units of said sensing system.

A method for monitoring quality of a fluid, the method comprising:

• providing data indicative of measurements obtained in one or more sensing sessions performed on the fluid by at least one electro-optical sensing unit and at least one optical sensing unit, said data indicative of the measurements comprising measured fluid quality data indicative of multiple parameters of the fluid and data indicative of operational condition of at least said at least one optical sensing unit corresponding to sensing quality in said one or more sensing sessions;
• determining a relation between the measured fluid quality data and the sensing quality;
• and
• based on said relation, selectively generating operational data to initiate one or more of the following:
• generation of alarm signal indicative of an abnormal condition of the quality of the fluid, correction of the measured fluid quality data in accordance with the sensing quality;
• and replacement of one or more elements of the sensing units.

A monitoring system configured for monitoring quality of fluid, the monitoring system comprising:

• a sensing system which is configured and operable to measure fluid quality data and to perform self-diagnostic of an operational condition of the sensing system, the sensing system comprising:
• at least one electrochemical sensing unit configured to measure one or more substances in the fluid and generate first measured data characterizing measured fluid quality data, and at least one optical sensing unit configured to measure one or more parameters characterizing quality of optical measurements performed by said at least one optical sensing unit and generate optical sensing data characterizing sensing quality of the sensing system;
• and
• a control system configured and operable to selectively generate operational data to initiate one or more of the following operational conditions:
• generation of alarm signal indicative of an abnormal condition of the quality of the fluid, correction of the measured fluid quality data in accordance with the sensing quality;
• and replacement of one or more elements of the sensing units;
• wherein the operational data is defined by a relation between the measured fluid quality data and the sensing quality, said relation being indicative of a change in the measured fluid quality data associated with a change in the sensing quality data and being determined based on history of measurements performed by a given sensing system on a given fluid type, and a predetermined expected dynamics in measurements taken over time by said given sensing system.