Arrangement and method for monitoring a hydraulic system
First Claim
1. An arrangement for monitoring a hydraulic pump within a platform, the arrangement comprising:
- a sensor arranged to generate sample values relating to a fluid characteristic variable, wherein a fluid is fed by the hydraulic pump within the platform; and
a processor arranged to receive a plurality of the sample values from said sensor,wherein the processor is arranged to generate an absolute value of a difference between each of said received plurality of sample values and a subsequent associated sample value, wherein said received sample values are generated during a predetermined time period, andwherein the processor is arranged to determine an indication number corresponding to a number of said generated absolute values during the predetermined time period which are greater than a predetermined threshold value,wherein the processor is arranged to generate a piece of indication information depending upon a result of a comparison between said determined indication number and a predetermined comparison value,wherein the fluid characteristic variable comprises hydraulic fluid flow, andwherein the difference between each of said received plurality of sample values and the subsequent associated sample value is the difference between two directly successive sample values.
1 Assignment
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Accused Products
Abstract
An arrangement for monitoring a supply within a platform. A sensor is arranged to generate sample values relating to a fluid characteristic variable, wherein the fluid is fed by the supply within the platform. A processor is arranged to receive a plurality of sample values from the sensor. The processor, is arranged to generate an absolute value of a difference between each of the received plurality of sample values and a subsequent associated sample value, wherein the received sample values are generated during a predetermined time period. The processor is arranged to determine an indication number corresponding to the number of the generated absolute values which are greater than a predetermined threshold value. The sample collecting process is only active when a criterion comprising a stable pump in a no load condition and all hydraulic consumers are in a resting position or close to a resting position is fulfilled. The processor is arranged to generate a piece of indication information depending upon a result of a comparison between the determined indication number and a predetermined comparison value.
9 Citations
16 Claims
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1. An arrangement for monitoring a hydraulic pump within a platform, the arrangement comprising:
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a sensor arranged to generate sample values relating to a fluid characteristic variable, wherein a fluid is fed by the hydraulic pump within the platform; and a processor arranged to receive a plurality of the sample values from said sensor, wherein the processor is arranged to generate an absolute value of a difference between each of said received plurality of sample values and a subsequent associated sample value, wherein said received sample values are generated during a predetermined time period, and wherein the processor is arranged to determine an indication number corresponding to a number of said generated absolute values during the predetermined time period which are greater than a predetermined threshold value, wherein the processor is arranged to generate a piece of indication information depending upon a result of a comparison between said determined indication number and a predetermined comparison value, wherein the fluid characteristic variable comprises hydraulic fluid flow, and wherein the difference between each of said received plurality of sample values and the subsequent associated sample value is the difference between two directly successive sample values. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A platform, comprising
an arrangement for monitoring a hydraulic pump within a platform, the arrangement comprising: -
a sensor arranged to generate sample values relating to a fluid characteristic variable, wherein a fluid is fed by the hydraulic pump within the platform, and a processor arranged to receive a plurality of the sample values from said sensor, wherein the processor is arranged to generate an absolute value of a difference between each of said received plurality of sample values and a subsequent associated sample value, wherein said received sample values are generated during a predetermined time period, and wherein the processor is arranged to determine an indication number corresponding to a number of said generated absolute values during the predetermined time period which are greater than a predetermined threshold value, and wherein the processor is arranged to generate a piece of indication information depending upon a result of a comparison between said determined indication number and a predetermined comparison value, wherein the fluid characteristic variable comprises hydraulic fluid flow, and wherein the difference between each of said received plurality of sample values and the subsequent associated sample value is the difference between two directly successive sample values. - View Dependent Claims (9, 10, 11, 12)
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13. A method for monitoring a hydraulic pump within a platform, the method comprising:
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generating sample values relating to a hydraulic fluid characteristic variable, wherein the fluid characteristic variable comprises hydraulic fluid flow, and wherein a fluid is fed by the hydraulic pump within the platform; receiving the plurality of sample values from a sensor, generating an absolute value of a difference between each of said received plurality of sample values and a subsequent associated sample value, wherein said received sample values are generated during an active monitor period, and wherein the difference between each of said received plurality of sample values and the subsequent associated sample value is the difference between two directly successive sample values, determining an indication number corresponding to a number of said generated absolute values during the active monitor period which are greater than a predetermined threshold value, and generating a piece of indication information depending upon a result of a comparison between said determined indication number and a predetermined value. - View Dependent Claims (14, 15)
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16. A computer program product, comprising a non-transitory computer readable medium;
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computer program instructions recorded on the computer readable medium and executable by a processor for performing a method for monitoring a hydraulic pump within a platform, the method comprising; generating sample values relating to a hydraulic fluid characteristic variable, wherein the fluid characteristic variable comprises hydraulic fluid flow, and wherein a fluid is fed by the hydraulic pump within the platform; receiving a plurality of the sample values from a sensor, generating an absolute value of a difference between each of said received plurality of sample values and a subsequent associated sample value, wherein said received sample values are generated during an active monitor period, and wherein the difference between each of said received plurality of sample values and the subsequent associated sample value is the difference between two directly successive sample values, determining an indication number corresponding to a number of said generated absolute values during the active monitor period which are greater than a predetermined threshold value, and generating a piece of indication information depending upon a result of a comparison between said determined indication number and a predetermined value.
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Specification