CN202413857U - Track traffic field bus system with sliding simplifiers and network scheduler - Google Patents

Abstract

The utility model relates to a track traffic filed bus system with sliding simplifiers and a network scheduler. The track traffic field bus system comprises a plurality of independent control return circuits, a transmission network and a scheduler. Each control return circuit further comprises a controller, an actuator, a controlled object and the sliding simplifier. Each controlled object is further assembled with a sensor. The controllers are in communication connection with the actuators through the transmission network, the actuators are further in communication connection with the controlled objects, and the sensors of the controlled objects are further in communication connection with the sliding simplifiers. The sliding simplifiers are used for conducting sliding simplifying processing on sampling data of the sensors and in communication connection with the controllers through the transmission network. The scheduler is in communication connection with the transmission network and arranged outside the independent control return circuits. By implementing the scheme, distribution and utilization of resources can be achieved under the condition of limited resources, and all performance indexes of a network control system are effectively guaranteed.

Description

A kind of have to slide simplify the track traffic field bus system of network scheduling

Technical field

The utility model relates to field of track traffic, relates in particular to a kind of track traffic field bus system that network scheduling is simplified in slip that has.

Background technology

Continuous development along with the track traffic automation system; Monitoring requirement for Rail Transit System is increasingly high; General track traffic automation system adopts comprehensive monitoring system (Integrated Supervisory Control System; Be called for short ISCS) carry out monitoring management, general ISCS designs according to two-stage management (central authorities, station), three grades of controls (central authorities, station and scene).General; The monitored object of level comprises environment and equipment monitoring system (BAS), automatic fire alarm system (FAS), electric power monitoring system (PSCADA), shielded gate (PSD), prevents flooding door (FG), a TV monitoring system (CCTV), passenger information system (PIS), signal system (SIG), AFC system (AFC), gate control system (ACS), loud system (PA) etc. at the scene; And, also can expand according to different track traffic demands.

And along with the continuous expansion of track traffic network control system scale; The limited feature of system resource is increasingly significant also; And resource-constrainedly tend to cause message delay, system control performance to reduce and problems such as resource utilization reduction, thereby can't guarantee each item performance figure of network control system effectively.

The utility model content

The utility model is to the resource-constrained problem of track traffic field bus system; Construct a kind of track traffic field bus system that device and scheduler are simplified in slip that has; Be implemented under the limited resources the distribution and the utilization of resource, guarantee each item performance figure of network control system effectively.

The utility model is realized like this: construct a kind of track traffic field bus system, system comprises a plurality of independently control loops, be used for the transmission network of transmission signals and data, be used for scheduler that Internet resources are dispatched.

Wherein each independently control loop comprise: be used to produce control signal controller, to be used to receive control signal and changeover control signal be that device is simplified in actr, controlled object and the slip of control action.Wherein controlled object also is equipped with the action that is used to gather the controlled object real response, and the action of conversion real response is the sensor of sampled data.

Controller is arranged at the at central level of ISCS system or station level; The field level that device is arranged at the ISCS system is simplified in actr, controlled object, slip; Controller is communicated by letter with actr through transmission network and is connected, and actr is also communicated by letter with controlled object and linked to each other, and the sensor of controlled object is also simplified device with slip and communicated by letter and be connected; Slip is simplified device and is used for the sampled data of sensor slided and simplifies processing, slides to simplify device and communicate by letter with controller through transmission network and be connected.The scheduler that is used to dispatch each control loop also is connected with transport network communication, and scheduler is arranged at outside each individual control loop.

Implement the utility model; Have following beneficial effect: control loop is introduced to slide and is simplified device; Alleviated control loop to the taking of Internet resources, dispatched through the whole control loops of scheduling tolerance, under the limited resources to distribution and the utilization of resource; Guarantee each item performance figure of network control system effectively, thereby improved the stability and the reliability of system.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is elaborated.Wherein,

The ISCS system level diagram that Fig. 1 relates to for the utility model;

Fig. 2 is the system construction drawing of the utility model;

Fig. 3 is the utility model structural representation of specific embodiment first.

The specific embodiment

For the implementation of better explanation the utility model, combine Fig. 1 that the comprehensive monitoring system structure of (Integrated Supervisory Control System is called for short ISCS) is described at present.ISCS system among Fig. 1 comprises two-stage management (central authorities, station), three grades of controls (central authorities, station and scene).At central level can the supervision to equipment running status, failure condition in each station system compass of competency of whole circuit, and, assume unified command of, coordinate the operation of each website to each website issuing command; The monitoring function of station level equipment mainly is to accomplish the monitoring of this site apparatus, management; Field level is as station level, monitored object at central level; Be the main body of station subway electromechanical appliance, these monitored objects comprise environment and equipment monitoring system (BAS), automatic fire alarm system (FAS), electric power monitoring system (PSCADA), shielded gate (PSD), prevent flooding door (FG), a TV monitoring system (CCTV), passenger information system (PIS), signal system (SIG), AFC system (AFC), gate control system (ACS), loud system (PA) etc.The controller of the track traffic bus checking system of the utility model promptly is positioned at central level or the station level; Controlled object promptly is positioned at field level.

ISCS station level, local monitor network using 100M/1000M Redundant Ethernet at central level make up in Fig. 1, and underlying device key-course (field level) uses bus mode interconnected.The fieldbus that in track traffic, uses has Profibus, Modbus, and CANbus etc., as shown in Figure 1, when the continuous expansion of track traffic network control system scale, system control performance will occur and reduce the problem with the resource utilization reduction.

For the problem that the resolution system controller performance reduces and resource utilization reduces, the utility model is constructed a kind of track traffic field bus system that network scheduling is simplified in slip that has, and is as shown in Figure 2.The track traffic field bus system of Fig. 2, comprise a plurality of independently control loops, be used for transmission signals and data transmission network, be used for scheduler that Internet resources are dispatched.Each control loop comprises: be used to produce control signal controller, to be used to receive control signal and changeover control signal be that device is simplified in actr, controlled object and the slip of control action.Wherein controlled object also is equipped with the action that is used to gather the controlled object real response, and the action of conversion real response is the sensor of sampled data.

Concrete; Control loop can be environment and equipment monitoring system (BAS), automatic fire alarm system (FAS), electric power monitoring system (PSCADA), shielded gate (PSD), the anti-control loop that floods door (FG), a TV monitoring system (CCTV), passenger information system (PIS), signal system (SIG), AFC system (AFC), gate control system (ACS), loud system (PA) etc., and can increase and decrease the Different control loop according to the track traffic needs of reality.Each independently control loop comprise: be used to produce control signal controller, to be used to receive control signal and changeover control signal be that device is simplified in actr, controlled object and the slip of control action.Wherein controlled object also is equipped with the action that is used to gather the controlled object real response, and the action of conversion real response is the sensor of sampled data.

Controller is arranged at the at central level of ISCS system or station level; The field level that device is arranged at the ISCS system is simplified in actr, controlled object, slip; Controller is communicated by letter with actr through transmission network and is connected; Actr is also communicated by letter with controlled object and is linked to each other; The sensor of controlled object is also simplified device with slip and is communicated by letter and be connected, and slides to simplify device and be used for the sampled data of sensor slided and simplify processing and simplify device and communicate by letter with controller through transmission network and be connected to reduce the resource occupation of transmission data, to slide.The scheduler that is used to dispatch each control loop is connected with transport network communication, and scheduler is arranged at outside each individual control loop.

The function that controller can be realized comprises:

A. produce control signal

Controller produces control signal, and is transferred to actr through transmission network; Actr can convert the controller control signal that receives into act on the controlled object control action.For example, in the shielded gate control loop, controller produces the signal that shielded gate is opened or closed.

B. receive to slide and simplify the slip that device sends and simplify data, and contrast with cooresponding control signal

Controller can also receive the slip of simplifying device from slip and simplify data, and makes comparisons with corresponding control signal, and controller is according to the transmission of next control signal of comparing result decision.

The function that scheduler can be realized comprises:

1. dispatch the transmission priority of signal, data in each loop

Scheduler is according in each control loop, and controller compared with control signal is simplified the comparing result of data with sliding, and the transmission priority of the signal of singing in antiphonal style control loop, data is adjusted.

2. changing slides simplifies the parameter of device

Scheduler is according in each control loop, and controller compared with control signal is simplified the comparing result of data with sliding, and changing slides in the different control loops simplifies the parameter of device, and changing slides in the different control loops simplifies data taking resource.

Below in conjunction with a system the utility model is described with 3 individual control loops.As shown in Figure 3, the system among the embodiment comprises 3 individual control loops: shielded gate control loop, broadcasting control loop and gate inhibition's control loop are respectively applied for shielded gate, broadcasting and the staff's of control field level gate inhibition.If the situation below occurring: the controller performance of broadcasting control loop and gate inhibition's control loop (reflecting with the result who simplifies data that slides with controller compared with control signal) is normal; The controller performance of shielded gate is not enough (for example to send the control signal of " closing shielded gate "; And feedback result is " shielded gate is not closed fully "); Then scheduler improves the priority of control signal use transmission network in the shielded gate control loop; Regulating simultaneously slides in the shielded gate control loop simplifies the parameter of device, makes the controller performance of shielded gate be increased to the level of requirement.

More than be merely the preferred embodiment of the utility model; Can not limit the scope of the utility model embodiment with this; The equalization that those skilled in the art in the present technique field do according to this creation changes; And the change known of those skilled in that art, all should still belong to the scope that the utility model is contained.

Claims (3)

1. one kind has the track traffic field bus system that network scheduling is simplified in slip; The scheduler that comprises a plurality of independently control loops, is used for the transmission network of transmission signals and data and is used for Internet resources are dispatched; It is characterized in that; Said control loop also comprises the controller that is used to produce control signal, be used to receive control signal and changeover control signal is that device is simplified in actr, controlled object and the slip of control action, and said controlled object also is equipped with sensor.

2. according to claim 1 have to slide simplify the track traffic field bus system of network scheduling, it is characterized in that, in the said control loop,

Said controller is communicated by letter with said actr through said transmission network and is connected,

Said actr is also communicated by letter with said controlled object and is linked to each other,

The sensor of said controlled object is also simplified device with slip and is communicated by letter and be connected,

Saidly be used for to the sampled data of sensor the slide slip of simplifying processing and simplify device and communicate by letter with controller through transmission network and be connected.

3. according to claim 1 and 2 have to slide simplify the track traffic field bus system of network scheduling, it is characterized in that said scheduler also is connected with transport network communication, said scheduler is arranged at outside each individual control loop.

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