CN-122009534-A - Load startup time length safety management method and system for multi-time window sliding comparison

CN122009534ACN 122009534 ACN122009534 ACN 122009534ACN-122009534-A

Abstract

The invention provides a load startup time safety management method and system for multi-time window sliding comparison, comprising a single time window sliding comparison step of setting a single startup time threshold and counting the single startup time of a load and comparing the single startup time with the single startup time threshold, a single time window sliding comparison step of counting the total time of single startup times in one track period and comparing the total time of single startup times with the single startup time threshold, and a multi-time window sliding comparison step of counting the total time of multi-startup times in one energy balance period and comparing the total time of multi-startup times with the multi-startup time threshold. Aiming at satellites with multi-turn energy balance requirements, the three-level duration safety threshold defense line is constructed through single-turn, single-turn and multi-turn progressive time window sliding comparison, so that on-board energy unbalance caused by exceeding of the accumulated starting duration of single-turn or multi-turn is effectively avoided, and the work safety management of the on-board high-power load is realized.

Inventors

ZHANG BINGLIANG
HE KUN
XI PEILI
CHEN GUOZHONG
ZHANG ZIMENG

Assignees

上海卫星工程研究所

Dates

Publication Date: 20260512
Application Date: 20260104

Claims (10)

1. The utility model provides a load boot duration safety management method of multi-time window slip comparison, which is characterized by comprising the following steps: setting a single-turn starting time threshold, counting the single-turn starting time of the load, and comparing the single-turn starting time with the single-turn starting time threshold; Counting total time length of single turn starting up for multiple times in one track period, and comparing with threshold value of time length of single turn starting up; and (3) comparing the sliding of the time window for a plurality of times: and counting total time length of the multi-turn starting-up in one energy balance period, and comparing the total time length with a multi-turn starting-up time length threshold.
2. The method for safely managing load startup duration for multiple time window slip comparison according to claim 1, wherein the single time window slip comparison step comprises: executing a single time window sliding comparison step on the load started for the first time, and setting a single-turn starting time length threshold value Recording the first starting time of load And comparing a single circle with a reference moment Initializing to ; In the first starting process of the load, the current starting time is counted Judging Whether the single turn on duration threshold is exceeded Triggering load emergency shutdown measures if the threshold value is exceeded, otherwise, allowing the load to continue to work until shutdown; When the first starting-up is normally finished, recording the duration of the first starting-up of the load And updating the accumulated variable to accumulate the duration of the single startup And energy balance period cumulative duration Are all superimposed 。
3. The method for safely managing load startup duration for multiple time window slip comparison according to claim 1, wherein the single-turn time window slip comparison step comprises: Recording the second starting time of load And count one track period Judging the interval between two times of starting up of load Whether or not to exceed the track period ; If the track period is exceeded and a new track period is entered, updating the relative reference moment of a single circle Reset the accumulated duration of single turn And continuing the load starting process, if the load is started for a period of time The single turn starting time threshold value is exceeded Triggering load emergency shutdown measures; If the track period is not exceeded, the single time window sliding comparison, the single-circle time window sliding comparison and the multi-circle time window sliding comparison steps are synchronously executed in the same track period.
4. The method for safely managing load startup duration of multi-time window slip comparison according to claim 3, wherein the step of synchronously executing single time window slip comparison, single-turn time window slip comparison and multi-turn time window slip comparison comprises: continuing the starting process of the load, and judging the current starting time length of the load Whether the single turn startup time length threshold value is exceeded If (if) Triggering load emergency shutdown measures; If it is Continuously judging the current startup time of the load With a single turn of accumulated time length Whether the sum exceeds the single turn on duration threshold If (if) Triggering load emergency shutdown measures; If it is Continuously judging the current startup time of the load Accumulated time length with current period Whether the sum exceeds the threshold of the total starting time in the current period If the load exceeds the threshold value, triggering load emergency shutdown measures; if the load does not trigger any threshold value in the second startup process, continuing to work to normal shutdown.
5. The method for safely managing load startup duration for multi-time window slip comparison according to claim 1, wherein the multi-turn time window slip comparison step comprises: Recording the duration of the second startup of the load And updating the accumulated variable to accumulate the duration of the single startup And energy balance period cumulative duration Are all superimposed ; Continuously monitoring the current time And the reference moment Whether or not the interval of (2) exceeds the track period If the power is exceeded, resetting the power on next time , ; Continuously monitoring the current time And the first starting time Whether or not the interval of (2) exceeds the energy balance period If the energy balance period is exceeded, global reset operation is executed, and the reference moment is obtained Updated to the current time Resetting all counters; The monitoring cycle for the next energy balance period is entered.
6. The utility model provides a load boot duration safety control system of many time window slip comparisons which characterized in that includes: setting a single-turn starting time threshold, counting the single-turn starting time of the load, and comparing the single-turn starting time with the single-turn starting time threshold; Counting total time length of single turn starting up for multiple times in one track period, and comparing the total time length with a threshold value of the time length of single turn starting up; counting total time length of multiple times of starting up in one energy balance period, and comparing with threshold value of time length of multiple times of starting up.
7. The load boot duration security management system for multiple time window slip comparison of claim 6, wherein the single time window slip comparison module comprises: executing a single time window sliding comparison step on the load started for the first time, and setting a single-turn starting time length threshold value Recording the first starting time of load And comparing a single circle with a reference moment Initializing to ; In the first starting process of the load, the current starting time is counted Judging Whether the single turn on duration threshold is exceeded Triggering load emergency shutdown measures if the threshold value is exceeded, otherwise, allowing the load to continue to work until shutdown; When the first starting-up is normally finished, recording the duration of the first starting-up of the load And updating the accumulated variable to accumulate the duration of the single startup And energy balance period cumulative duration Are all superimposed 。
8. The load boot duration security management system for multiple time window slip comparison of claim 6, wherein the single turn time window slip comparison module comprises: Recording the second starting time of load And count one track period Judging the interval between two times of starting up of load Whether or not to exceed the track period ; If the track period is exceeded and a new track period is entered, updating the relative reference moment of a single circle Reset the accumulated duration of single turn And continuing the load starting process, if the load is started for a period of time The single turn starting time threshold value is exceeded Triggering load emergency shutdown measures; If the track period is not exceeded, the single time window sliding comparison, the single-circle time window sliding comparison and the multi-circle time window sliding comparison module are synchronously triggered to work in the same track period.
9. The load start-up duration safety management system for multi-time window slip comparison according to claim 3, wherein the synchronous triggering of the single-time window slip comparison, the single-turn time window slip comparison and the multi-turn time window slip comparison module works comprises: continuing the starting process of the load, and judging the current starting time length of the load Whether the single turn startup time length threshold value is exceeded If (if) Triggering load emergency shutdown measures; If it is Continuously judging the current startup time of the load With a single turn of accumulated time length Whether the sum exceeds the single turn on duration threshold If (if) Triggering load emergency shutdown measures; If it is Continuously judging the current startup time of the load Accumulated time length with current period Whether the sum exceeds the threshold of the total starting time in the current period If the load exceeds the threshold value, triggering load emergency shutdown measures; if the load does not trigger any threshold value in the second startup process, continuing to work to normal shutdown.
10. The load boot duration security management system for multiple time window slip comparison of claim 1, wherein the multiple time window slip comparison module comprises: Recording the duration of the second startup of the load And updating the accumulated variable to accumulate the duration of the single startup And energy balance period cumulative duration Are all superimposed ; Continuously monitoring the current time And the reference moment Whether or not the interval of (2) exceeds the track period If the power is exceeded, resetting the power on next time , ; Continuously monitoring the current time And the first starting time Whether or not the interval of (2) exceeds the energy balance period If the energy balance period is exceeded, global reset operation is executed, and the reference moment is obtained Updated to the current time Resetting all counters; The monitoring cycle for the next energy balance period is entered.

Description

Load startup time length safety management method and system for multi-time window sliding comparison Technical Field The invention relates to the technical field of satellite autonomous safety management, in particular to a load startup time length safety management method and system for multi-time window sliding comparison. Background The development of the aerospace technology is gradually changed, the constellation of the multi-star networking is gradually increased, and the multi-star on-orbit autonomous and intelligent safety management becomes a development trend. The traditional on-orbit satellite safety management is mainly ground management and control, satellite states are monitored through telemetry alarm, then ground command processing is carried out according to fault conditions, the safety management is realized by depending on a ground measurement and control system, and primary autonomous safety management is realized for part of satellites for relieving ground management and control pressure. For satellites, it is of paramount importance and urgency to ensure energy safety. For a satellite with high power load, the working time length of the high power load is often required to be restrained and limited, the traditional autonomous safety management method is to set a threshold value of single or single turn starting time length, and the satellite energy safety is controlled by controlling the single or single turn starting time length. The method is generally only suitable for satellites with single-turn energy balance, is not suitable for multi-turn energy balance, and is not suitable for multi-turn energy balance because the factors to be considered are more, besides single or each turn of starting time, the total starting time of a plurality of turns is also required to be considered, the variables are more, the flow is complex, no description or report similar to the technology of the invention is found at present, and no similar data at home and abroad are found. In summary, to solve the above-mentioned problems in the prior art, researching a method and a system for safely managing the load startup duration of multiple time window sliding comparison becomes a critical task to be solved in the present day. Disclosure of Invention Aiming at the defects in the prior art, the invention aims to provide a load startup time length safety management method and system for multi-time window sliding comparison. The invention provides a load startup time length safety management method for multi-time window sliding comparison, which comprises the following steps: setting a single-turn starting time threshold, counting the single-turn starting time of the load, and comparing the single-turn starting time with the single-turn starting time threshold; Counting total time length of single turn starting up for multiple times in one track period, and comparing with threshold value of time length of single turn starting up; and (3) comparing the sliding of the time window for a plurality of times: and counting total time length of the multi-turn starting-up in one energy balance period, and comparing the total time length with a multi-turn starting-up time length threshold. Preferably, the single time window sliding comparison step comprises the steps of executing single time window sliding comparison step on the load started for the first time, and setting a single-turn starting time length threshold valueRecording the first starting time of loadAnd comparing a single circle with a reference momentInitializing toIn the first starting process of the load, the current starting time is countedJudgingWhether the single turn on duration threshold is exceededTriggering load emergency shutdown measures if the threshold value is exceeded, otherwise, allowing the load to continue to work until shutdownAnd updating the accumulated variable to accumulate the duration of the single startupAnd energy balance period cumulative durationAre all superimposed。 Preferably, the single-turn time window sliding comparison step comprises the steps of recording the second starting time of the loadAnd count one track periodJudging the interval between two times of starting up of loadWhether or not to exceed the track periodIf the track period is exceeded and a new track period is entered, updating the relative reference moment of a single circleReset the accumulated duration of single turnAnd continuing the load starting process, if the load is started for a period of timeThe single turn starting time threshold value is exceededAnd if the track period is not exceeded, the single time window sliding comparison, the single-circle time window sliding comparison and the multi-circle time window sliding comparison steps are synchronously executed. Preferably, the step of synchronously executing the single time window sliding comparison, the single-circle time window sliding comparison and the multi-circle time window sliding compa