System and method for managing battery life in redundant wireless sensors
First Claim
1. A method for operating a sensor system, comprising:
- detecting a first wake trigger by a plurality of sensors associated with a component disposed in a remote location;
generating, by each sensor of the plurality of sensors, sensor service data that comprises a battery charge level of a respective sensor of the plurality of sensors;
determining an active sensor according to the sensor service data of each sensor of the plurality of sensors, and assigning the active sensor to enter an active mode;
assigning each sensor of the plurality of sensors, other than the active sensor, to enter a sleep mode;
generating, by the active sensor, sensor reading data indicating a physical parameter of the component until an inactive trigger is detected by the active sensor;
sending the sensor reading data by the active sensor using a wireless transmission to a sensor data server; and
leaving the active mode by the active sensor and entering a sleep mode by the active sensor after the active sensor sends the sensor reading data and in response to the active sensor detecting an inactive trigger.
1 Assignment
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Accused Products
Abstract
A method for operating a sensor system includes detecting a first wake trigger by a plurality of sensors for a component disposed in a remote location, generating, by each sensor, sensor service data that includes a battery charge level of the sensor, determining an active sensor according to the sensor service data of each sensor of the plurality of sensors, and assigning the active sensor to enter an active mode assigning each sensor of the plurality of sensors, other than the active sensor, to enter a sleep mode, generating, by the active sensor, sensor reading data for the component until an inactive trigger is detected, sending the sensor reading data using a wireless transmission to a sensor data server, and leaving the active mode by the active sensor and entering a sleep mode in response to the active sensor detecting an inactive trigger.
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Citations
20 Claims
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1. A method for operating a sensor system, comprising:
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detecting a first wake trigger by a plurality of sensors associated with a component disposed in a remote location; generating, by each sensor of the plurality of sensors, sensor service data that comprises a battery charge level of a respective sensor of the plurality of sensors; determining an active sensor according to the sensor service data of each sensor of the plurality of sensors, and assigning the active sensor to enter an active mode; assigning each sensor of the plurality of sensors, other than the active sensor, to enter a sleep mode; generating, by the active sensor, sensor reading data indicating a physical parameter of the component until an inactive trigger is detected by the active sensor; sending the sensor reading data by the active sensor using a wireless transmission to a sensor data server; and leaving the active mode by the active sensor and entering a sleep mode by the active sensor after the active sensor sends the sensor reading data and in response to the active sensor detecting an inactive trigger. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A sensor device, comprising:
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a transducer; a wireless interface circuit; a battery; and a controller connected to the battery, the transducer and the wireless interface circuit, wherein the controller is configured to; detect a wake trigger, wherein the wake trigger is at least one of a physical trigger detected by the controller, a message received through the wireless interface circuit from a sensor management element, or a timer expiring; generate sensor service data, wherein the sensor service data comprises a battery charge level of the battery; transmit the sensor service data through the wireless interface circuit; determine whether the sensor device should be an active sensor in a plurality of sensor devices according to at least the sensor service data; enter an active mode in response to determining that the sensor device should be the active sensor; enter a sleep mode in response to determines that the sensor device should not be the active sensor; generate, while the sensor device is in the active mode, sensor reading data according to a reading from the transducer and until an inactive trigger is detected by the sensor; send the sensor reading data by the active sensor using a wireless transmission to a sensor data server; and leave the active mode and entering a sleep mode in response to the active sensor detecting an inactive trigger. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A system, comprising:
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a rotating component; and a sensor system having a plurality of sensors, wherein each sensor of the plurality of sensors is disposed on the component and monitors the component; wherein each respective sensor of the plurality of sensors is configured to; detect a wake trigger, wherein the wake trigger is at least one of a physical trigger detected by the respective sensor, a message received by the respective sensor from a sensor management element, or a timer expiring; generating sensor service data that comprises a battery charge level of a respective sensor of the plurality of sensors; determine an assigned mode for the respective sensor, wherein the assigned mode is assigned according to the sensor server data of each sensor of the plurality of sensors, wherein the assigned mode is one of at least an active mode or a sleep mode, and wherein at least one sensor of the plurality of sensors is determined to be an active sensor and is assigned an active mode; enter the active mode in response to the respective sensor determining that the respective sensor is the active sensor and is assigned the active mode; generate, in response to the respective sensor being the active sensor, sensor reading data indicating a physical parameter of the component until an inactive trigger is detected by the active sensor; send the sensor reading data by the active sensor using a wireless transmission; leave the active mode in response to the respective sensor being in the active mode and enter the sleep mode after the respective sensor sends the sensor reading data and in response to the respective sensor detecting the inactive trigger; and enter the sleep mode response to the respective sensor determining that the respective sensor is assigned the sleep mode. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification