CN110456333A - A kind of multisensor method for allocating tasks based on overload task amount - Google Patents
A kind of multisensor method for allocating tasks based on overload task amount Download PDFInfo
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- CN110456333A CN110456333A CN201910657761.7A CN201910657761A CN110456333A CN 110456333 A CN110456333 A CN 110456333A CN 201910657761 A CN201910657761 A CN 201910657761A CN 110456333 A CN110456333 A CN 110456333A
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- task
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/66—Radar-tracking systems; Analogous systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S2013/0236—Special technical features
- G01S2013/0245—Radar with phased array antenna
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention proposes a kind of multisensor method for allocating tasks based on overload task amount.In tracing task overload, multi-sensor detection system not can guarantee all task executions in a detection cycle, therefore this method is fed back according to the tracking of the data rate requirements and data processing subsystem of detection mission, adjustment sensor resource in due course plans the sensor for executing the time and determining execution task of the task.By carrying out data transfer rate planning and design to overload task, and the tracking feedback information of data processing subsystem return is received, the detection of the task is completed under the premise of guaranteeing key task tracking accuracy.Multisensor task distribution when this method overloads emphasis tracing task has achieved the effect that guarantee both quality and quantity, and has important application value for the scheduling of resource of multisensor in Phased Array Radar Detection System.
Description
Technical field
The present invention relates to Phased Array Radar Resource Scheduling technical fields.
Background technique
In face of complicated combat duty environment, phased-array radar needs the task to polymorphic type, different threat degrees to carry out
Detection, and the system of dispatching is the core of phased-array radar, is responsible for the task arrangement completed to current dispatching cycle and assigns.In phase
It controls in the limited situation of battle array radar resource, detection mission will appear task amount overload often in a dispatching cycle, lead to part
Detection mission is unable to complete.Therefore, resource scheduling system just needs to carry out large period planning to all tasks, according to task class
The detection data rate of the task is arranged in type, by being alternately performed the detection mission of overload to the control of task data rate, and ties
It closes the tracking feedback that data processing subsystem returns and adaptively adjusts detection data rate, be able to taking into account more detection missions
It executes.
In this course, method for allocating tasks selection has a decisive role the overall performance of system.Firstly,
Method for allocating tasks need to fully consider different task type, and the corresponding working method priority of different task, off period, energy disappear
The factors such as consumption；Secondly, task quantity, type are often in dynamic change, task allocation algorithms should become according to the dynamic of environment
Change adaptive progress task distribution.In addition, assignment algorithm should also grasp the schedulability of task in real time, when the expected nothing of some task
When method obtains scheduling, reasonable countermeasure should be taken, guarantees rationally utilizing for resource and giving full play to for system effectiveness.
Task allocation algorithms mainly have the earliest override (earliest of rate monotonic algorithm, off period priority-based
Deadline first, abbreviation EDF), free time most short override (least slack first, abbreviation LSF), put earliest
The plans such as row override, reachable off period earliest override, value highest override, value density maximum override.These algorithms
It applies in the scheduling of resource of phased-array radar, achieves preferable effect, but the task between the more radars of detection system
It applies and is restricted in distribution.
The invention proposes a kind of multisensor method for allocating tasks based on overload task amount, overload in tracing task amount
When, multi-sensor detection system ensure that the high task of priority all executes in a detection cycle.
Summary of the invention
The invention proposes a kind of multisensor method for allocating tasks based on overload task amount.It is overloaded in tracing task amount
When, multi-sensor detection system not can guarantee all task executions in a detection cycle, therefore this method is appointed according to detection
The data rate requirements of business and the tracking feedback of data processing subsystem, adjust sensor resource in due course, plan the execution of the task
Time and the sensor for determining execution task.By carrying out data transfer rate planning and design to overload task, and receive data processing
The key task that subsystem returns tracks feedback information, and the spy of the task is completed under the premise of guaranteeing key task tracking accuracy
It surveys.
The present invention relates to a kind of multisensor method for allocating tasks based on overload task amount, mainly comprise the steps that
S1, a detection mission request is obtained；
S2, the type for parsing the request task, task type mainly include common tracking target, high maneuvering targets, high speed
Target；
Different data transfer rates is arranged according to task type and target range in S3, the detection data rate that the task is arranged:
S4, the priority for calculating the task, it includes enemy and we's attribute, empty extra large attribute, target speed that task priority, which calculates the factor,
Degree, target range, object height, bogey heading；
Whether S5, the tracking feedback for obtaining data processing, feedback information include the tracking accuracy of the current task and expire
Sufficient track demand；
S6, comprehensive task data transfer rate, task priority and data processing are suitable to the tracking feedback selection of the task
Sensor executes the task；
S7, task layout, including scanning resource, time resource and the resource of frequency range are carried out according to sensor resource；
S8, task list is generated, and task list is sent to front end.
Multisensor task distribution when this method overloads emphasis tracing task has achieved the effect that guarantee both quality and quantity, right
There is important application value in the scheduling of resource of multisensor in Phased Array Radar Detection System.
Detailed description of the invention
Multisensor method for allocating tasks implementation flow chart of the attached drawing 1 based on overload task amount.
Specific embodiment
The invention proposes a kind of multisensor method for allocating tasks based on overload task amount, implementing procedure such as attached drawings 1
It is shown, it is specifically described as following procedure:
S1, a detection mission request is obtained；
S2, the type for parsing the request task, task type mainly include common tracking target, high maneuvering targets, high speed
Target；
Different data transfer rates is arranged according to task type and target range in S3, the detection data rate that the task is arranged, and has
Body is as follows:
S4, the priority for calculating the task, it includes enemy and we's attribute, empty extra large attribute, target speed that task priority, which calculates the factor,
Degree, target range, object height, bogey heading, each factor subordinating degree function are as follows:
Target enemy and we's attribute subordinating degree function
Target empty sea attribute subordinating degree function
Target velocity subordinating degree function
Target range subordinating degree function
Object height subordinating degree function
Target direction of motion subordinating degree function
Whether S5, the tracking feedback for obtaining data processing, feedback information include the tracking accuracy of the current task and expire
Sufficient track demand can further increase the detection data rate of the target, otherwise if tracking accuracy is unable to satisfy system requirements
Continue to keep former data transfer rate constant；
S6, comprehensive task data transfer rate, task priority and data processing are suitable to the tracking feedback selection of the task
Sensor executes the task；
S7, task layout, including scanning resource, time resource and the resource of frequency range are carried out according to sensor resource；
S8, task list is generated, and task list is sent to front end.
Claims (1)
1. a kind of multisensor method for allocating tasks based on overload task amount, it is characterised in that: set according to task request message
The detection data rate of the task is set, and the tracking feedback selection for combining task priority and data processing subsystem to return is suitable
Sensor execute the task, steps are as follows:
S1: a detection mission request is obtained；
S2: parsing the type of the request task, and task type includes common tracking target, high maneuvering targets, high-speed target；
S3: being arranged the detection data rate of the task, and different data transfer rates is arranged according to task type and target range；
S4: the priority of the task is calculated, it includes enemy and we's attribute, empty extra large attribute, target velocity, mesh that task priority, which calculates the factor,
Subject distance, object height, bogey heading；
S5: obtaining the tracking feedback of data processing, feedback information include the tracking accuracy of the current task and whether meet with
Track demand；
S6: the suitable sensing of tracking feedback selection of comprehensive task data transfer rate, task priority and data processing to the task
Device executes the task；
S7: task layout, including scanning resource, time resource and the resource of frequency range are carried out according to sensor resource；
S8: task list is generated, and task list is sent to front end.
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| CN201910657761.7A CN110456333A (en) | 2019-07-20 | 2019-07-20 | A kind of multisensor method for allocating tasks based on overload task amount |
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| CN201910657761.7A CN110456333A (en) | 2019-07-20 | 2019-07-20 | A kind of multisensor method for allocating tasks based on overload task amount |
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| CN110456333A true CN110456333A (en) | 2019-11-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112148452A (en) * | 2020-09-29 | 2020-12-29 | 中国船舶重工集团公司第七二四研究所 | Task resource minimum entropy criterion distribution method for single-platform radar comprehensive detection system |
| CN112181621A (en) * | 2020-09-27 | 2021-01-05 | 中国建设银行股份有限公司 | Task scheduling system, method, equipment and storage medium |
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| CN112181621A (en) * | 2020-09-27 | 2021-01-05 | 中国建设银行股份有限公司 | Task scheduling system, method, equipment and storage medium |
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