CN102914974A - Control device for complete equipment - Google Patents

Abstract

The control device of the present invention includes: a control logical database for saving control logic data; a control generating part for performing logic calculation and generating a plurality of control signals; and an operation sequence calculation part for calculating the operation sequence of an operating variable. The operation sequence calculation part is directed at interrelated operating variables in a plurality of operating variables saved in the control logical database to determine the operation sequence of a plurality of operation variables according to delay time in logic calculation during determining a second operating variable from each operating variable to add into logical calculation results of a first operating variable. The control generating part performs a plurality of logic calculations for making the plurality of measurement signals be consistent with the operating variable so as to provide a plurality of control signal to the complete equipment. During changing the operating variable in the plurality of logical calculations, the changing sequence of other operating variables associated with the operating variable is performed by determining the operating sequence of the plurality of operating variables from the operating sequence calculation part.

Description

The control device of set of equipments

Technical field

The present invention relates to the control device of set of equipments, relate in particular to the control device that the order of operation between performance variable is carried out the set of equipments of automatic computing.

Background technology

The control device of set of equipments is calculated the control signal (operation signal) that set of equipments is provided and is sent to control object processing from the measuring-signal as the resulting quantity of state of set of equipments of control object.In addition, control device is inputted a plurality of measuring-signals as a rule, and a plurality of control signals (operation signal) are outputed to set of equipments, and the scale of set of equipments is larger, then more becomes the control device of many inputs, many outputs.

In the control device of set of equipments, the algorithm that mode that measuring-signal according to the quantity of state of set of equipments satisfies its desired value (hereinafter referred to as operating variable) is come the calculating operation signal is installed.Therefore, in the control device of many inputs, many outputs, prepare the algorithm according to each performance variable calculating operation signal.Often in the control device of above-mentioned many inputs, many outputs, be included in situation about mutually exerting an influence in input or the output.

Control algolithm as the control that is used for set of equipments has PI (ratio/integration) control algolithm.In PI control, the value after the deviation with the measuring-signal of the quantity of state of set of equipments and its performance variable multiplied each other with proportional gain adds deviation has been carried out the value after the time integral, and the operation signal that derivation provides set of equipments.Adopt the record input/output relations such as the enough block schemes of control algolithm energy of PI control, so easily understand the cause-effect relationship of inputting and exporting, have a lot of application real achievements.

But in the situation of running set of equipments under the change of the operating condition of set of equipments or environmental evolution etc., the condition that in advance is not susceptible to, existence need to be changed the situation of the operation of steering logic etc.In addition, carrying out energetically in recent years following activity: not only such as the such stable and set of equipments that turns round safely of PI control, but also the energy-saving of importing set of equipments, high efficiency, environment brought the discharge rate reduction etc. of the objectionable impurities of impact, with the optimized control technology of the operating condition of set of equipments.

This with to the corresponding control mode of the optimization of the operating condition of the self-adaptation of the operating condition of set of equipments or environmental change and set of equipments in, have the modes such as adaptive control that control algolithm or parameter value are automatically revised, Optimal Control.

As the technology in view of foregoing, in patent documentation 1, record the technology that relates to Studies of Multi-variable Model Predictive Control, this Studies of Multi-variable Model Predictive Control is predicted the future value of the operating condition of set of equipments, according to determining a plurality of performance variables from becoming best mode to operating condition in the future with respect to the control target now by the optimization computing.

Technical literature formerly

Patent documentation

Patent documentation 1:JP Unexamined Patent 11-296204 communique

The summary of invention

Invent problem to be solved

Disclosed technology is applicable in the situation of control device of set of equipments in patent documentation 1, can the optimization by forecast model calculate and decide the performance variable of having considered to the best of the movement of set of equipments in the future, therefore can be embodied as the optimization of the operating condition of complete equipment.In addition, in patent documentation 1, in the disclosed technology, even in the situation that performance variable reaches dozens of, by trying every possible means the computing cost of forecast model is suppressed, also can guarantee practicality.

Yet, if performance variable increases, can not ignore the interactional impact between this performance variable.Namely, when on the basis that set of equipments is controlled, basic steering logic being constructed, produce the necessity of considering a plurality of performance variables.The in most cases interaction between performance variable is by the element of time domination of time delay or ineffective time and so on.In the situation that ignore these impacts, although according to the performance variable that obtains as operation result set of equipments is operated, there is the possibility of the control effect that can not get expecting.

In patent documentation 1 in the disclosed technology, do not adopt the structure of the impact of having considered element of time inherent in the technique (process) of set of equipments, impact in the element of time of the set of equipments that be suitable for of hypothesis is strong, in the performance variable in the situation of the stronger relation of interdependence of existence, although the restriction of the time that determines with respect to performance variable can reach the performance of expectation, but for the above reasons, there is the possibility that can not reach target capabilities with respect to the control target.

Summary of the invention

The object of the present invention is to provide in a kind of self-adaptation, Optimal Control of the set of equipments considering a plurality of performance variables, be considered to the interaction between the caused performance variable of element of time of technique of complete equipment, the order of operation between the minimum performance variable of this impact carried out the control device of the set of equipments of automatic computing.

Be used for solving the means of problem

According to above content, in the control device of set of equipments in the present invention, obtain a plurality of measuring-signals from set of equipments, execution is in order to make the measuring-signal a plurality of logical operations consistent with the performance variable of this measuring-signal, and providing a plurality of control signals to set of equipments, control device possesses: the steering logic database of preserving the steering logic data that comprise the performance variable that is used in a plurality of logical operations; The actuating logic computing also generates the control signal generating unit of a plurality of control signals that set of equipments is provided; Order of operation operational part with the order of operation of arithmetic operation variable, the order of operation operational part is in a plurality of performance variables that are used in a plurality of logical operations of storing in the steering logic database, the performance variable that is associated mutually, by each performance variable obtain until the 2nd performance variable join in the logic operation result of the 1st performance variable during logical operation in time delay, determine the order of operation of a plurality of performance variables, the control signal generating unit is carried out in order to make a plurality of logical operations consistent with the performance variable of these a plurality of measuring-signals of a plurality of measuring-signals, a plurality of control signals are offered above-mentioned set of equipments, and when the size to the performance variable that uses changes, carry out other the change order of performance variable that is associated with this performance variable according to the order of operation of a plurality of performance variables of being obtained by the order of operation operational part in a plurality of logical operations.

In addition, comprise PI control in a plurality of logical operations in being stored in the steering logic database, possess the integration time constant of PI control as parameter, the order of operation operational part uses integration time constant as the time delay in the logical operation.

In addition, in the order of operation operational part, extract the steering logic be associated with performance variable, according to between the performance variable of steering logic time delay/ineffective time the equal time key element decide time delay.

According to above content, in the control device of set of equipments in the present invention, obtain a plurality of measuring-signals from set of equipments, execution is in order to make the measuring-signal a plurality of logical operations consistent with the performance variable of this measuring-signal, and provide a plurality of control signals to set of equipments, control device possesses: the steering logic database, and it preserves the steering logic data, and these steering logic data comprise the performance variable that is used in a plurality of logical operations; The control signal generating unit, its actuating logic computing, and generate a plurality of control signals that set of equipments is provided; With the order of operation operational part, the order of operation of its arithmetic operation variable, the order of operation operational part, for inter-related performance variable, with the form of the matrix of the mutual relationship of expression between performance variable grasp until the 2nd performance variable join in the logic operation result of the 1st performance variable during logical operation in time delay, mutual relationship between performance variable is transformed to digraph, obtain the evaluation of estimate of each performance variable according to digraph, and decide the order of operation of a plurality of performance variables according to the size of evaluation of estimate, the control signal generating unit is carried out in order to make a plurality of logical operations consistent with the performance variable of these a plurality of measuring-signals of a plurality of measuring-signals that a plurality of control signals are offered above-mentioned set of equipments, and when the size of employed performance variable changes in to a plurality of logical operations, carry out other the change order of performance variable that is associated with this performance variable according to the order of operation of a plurality of performance variables of being obtained by aforesaid operations order operational part.

In addition, in order to obtain the evaluation of estimate of each performance variable according to digraph, come migration process between XM according to internodal oriented connection by each performance variable setting, by the delay time information addition of putting down in writing in will this oriented along with node migration, calculate the evaluation of estimate of each performance variable.

In addition, in the order of operation operational part, begin in order batch operation order from the little performance variable of evaluation of estimate of each performance variable of obtaining by process.

In addition, control device comprises image display device, in image display device, set picture as performance variable, show the performance variable that comprises in a plurality of logical operation circuits and this circuit, and tabulation shows the performance variable that extracts from shown performance variable, and this performance variable is set in a plurality of performance variables that are used in a plurality of logical operations that picture is used for the steering logic database is stored, inter-related performance variable is selected.

In the control device of technical scheme 1 each described set of equipments in the technical scheme 6, control device also comprises image display device, in the image display device, as operation result display frame, show needle is to selected performance variable, midway the passing through of operation that has determined the result of its order of operation and carry out set of equipments based on this order of operation in the order of operation operational part.

In addition, control device comprises image display device, in the image display device, as the result who calculates, shows that liter according to evaluation of estimate is along the order operation result display frame that each performance variable is shown in the operation result tabulation in the order of operation operational part.

In addition, control device comprises image display device, in image display device, as control characteristic display frame, be presented at when having carried out the set of equipments control that the control signal generating unit carries out, each performance variable before changing after value and non-controlled quentity controlled variable before changing after value.

In addition, as measuring-signal, comprise at least one the signal in the steam flow, vapor (steam) temperature, vapor pressure of the concentration separately of nitrogen oxide, carbon monoxide and sulfuretted hydrogen that expression comprises and set of equipments from the gas that thermal power generation complete equipment is discharged, comprise at least one signal in the aperture that determines air throttle, air mass flow, fuel flow rate, water supply flow, turbine governor aperture, the recirculated exhaust gas flow as control signal.

The effect of invention

According to the present invention, can realize the control device of following set of equipments: the relation of interdependence that possesses the performance variable that is considered to complete equipment comes the order that is operable to complete equipment is carried out the function of automatic computing, and possess the mode that operates according to the inferior ordered pair set of equipments that obtains based on computing and generate control signal, the impact that relation of interdependence is brought is suppressed to minimal function.

Description of drawings

Fig. 1 is the block diagram of the schematic configuration of expression set of equipments control device of the present invention.

Fig. 2 is for representing by the skeleton diagram of control device as the structure of the thermal power generation complete equipment of control object.

Fig. 3 is the enlarged drawing of the pipe arrangement section that is associated with the air heater that is arranged on boiler (boiler) downstream.

Fig. 4 is the figure of an example of the typical logical circuit of expression.

Fig. 5 is the process flow diagram of the contents processing of expression control device 200.

Fig. 6 is the process flow diagram of the detailed action of expression order of operation operational part 500.

Fig. 7 is the figure with the mutual relationship between the form performance performance variable of matrix.

Fig. 8 is the figure with the mutual relationship between digraph performance performance variable.

Fig. 9 is for calculating the process flow diagram of the evaluation of estimate of each performance variable according to digraph.

Figure 10 be presentation graphs 9 each several parts processing flow process and this moment the information that generates figure.

Figure 11 sets the figure of an example of picture for the expression performance variable.

Figure 12 is the figure of an example of expression operation result display frame.

Figure 13 is the figure of an example of expression order operation result display frame.

Figure 14 is the figure of an example of expression control characteristic display frame.

Embodiment

With reference to accompanying drawing, the embodiment of the control device of set of equipments of the present invention is described.

Embodiment

At first, with reference to Fig. 1 the summary formation of set of equipments control device of the present invention is described.As shown in Figure 1, the set of equipments 100 of control object is controlled by control device 200.At this, be the example of thermal power generation complete equipment for set of equipments 100, adopt in the back Fig. 2, Fig. 3 to describe.

If according to function the inner structure of the control device 200 of Fig. 1 is roughly divided, then consisted of by arithmetic unit M, database D B and interface portion IF.

Arithmetic unit M at first, this arithmetic unit M possesses correction signal operational part 300, control signal generating unit 400 and order of operation operational part 500.The existing control function that control signal generating unit 400 in these each several parts consists of for the control algolithm that adopted PI control etc.Correction signal operational part 300 provides the correction signal that employed performance variable in control signal generating unit 400 is become optimum value.In addition, order of operation operational part 500 determines to provide order and the timing of correction signal.

In addition, be provided with measuring-signal database D B1, computing information database DB2, order of operation information database DB3, steering logic database D B4 and control signal database D B5 as database D B.For the common set of equipments that control signal generating unit 400 is carried out is controlled and use measuring-signal database D B1, steering logic database D B4 and control signal database D B5.Computing information database DB2 and order of operation information database DB3 use in correction signal operational part 300 and order of operation operational part 500.

In addition, as interface portion IF outer input interface IF/I and outside output interface IF/O are set.

In addition, control device 200 is connected with maintenance apparatus 910, and the operator of set of equipments 100 can come control device 200 is controlled via the external input device 900 and the image display device (for example CRT monitor) 920 that are connected with maintenance apparatus 910.

Below, the set of equipments control device of the present invention that consists of as described in the above summary is described, but before this as being suitable for an example of set of equipments 100 of the present invention, describe for the structure of thermal power generation complete equipment.

Fig. 2 is related to the present invention by the skeleton diagram of control device 200 as the structure of the thermal power generation complete equipment 100a of control object for expression.At first, the mechanism of the generating of thermal power generation complete equipment 100a described simply.

The thermal power generation complete equipment 100a of Fig. 2 drives turbine (turbine) 108 for producing steam by boiler 101, uses the system of the electric energy that obtains expecting with the direct generator 109 that links of turbine.In order to realize this system, need to suitably control accordingly water, fuel and the air that boiler 101 is provided with load request signal (electric energy request signal), and will import to temperature, the flow of the steam of turbine, the relation of pressure is maintained the relation of expectation, therefore uses control device 200.

At first, in the boiler 101, for example provide coal dust to act as a fuel.Coal dust obtains by adopting attrition mill 110 that coal is pulverized imperceptibly, and this coal dust acts as a fuel and is provided via a plurality of burners 102 from pipe arrangement 134.

In addition, the air used of coal dust firing is provided for boiler 101.1 air that exists pulverized coal conveying to use in the air is adjusted 2 air of usefulness with burning, and coal dust and 1 air import to 102,2 air of burner from pipe arrangement 134 and import to burner 102 from pipe arrangement 141.In addition, be provided with in the boiler 101 air of 2 grades of burning usefulness is put into rear gas port (after air port) 103 in the boiler 101.The air of 2 grades of burning usefulness is directed to rear gas port 103 from pipe arrangement 142.

In addition, water (water supply) is provided for boiler 101.Water supply is provided for heat exchanger 106 in the boiler via make-up pump 105, by superheated, becomes the steam of High Temperature High Pressure by the burning gases under flowing in boiler 101.

The burning gases of the high temperature that produces by in the inside of boiler 101 coal dust being burnt along the path of the inside of boiler 101 under the side flow of downstream, in the heat exchanger 106 of the inside that is disposed at boiler 101, carry out heat interchange with water supply and after producing steam, become waste gas and flow into the air heater 104 in the downstream that is arranged on boiler 101, carry out heat interchange by this air heater 104 and come the air that offers boiler 101 is heated up.And,, after having implemented not shown exhaust-gas treatment, be discharged into the atmosphere from chimney by the waste gas behind this air heater 104.

The water supply that circulates in the heat exchanger 106 of boiler 101 is provided for heat exchanger 106 via make-up pump 105, by superheated, become the steam of High Temperature High Pressure by the burning gases under flowing in heat exchanger 106 in boiler.In addition, the number of establishing in the present embodiment heat exchanger is one, but also configurable a plurality of heat exchanger.

The steam of the High Temperature High Pressure that produces in heat exchanger 106 is directed to steam turbine 108 via turbine governor valve 107, by steam with energy drive steam turbine 108, thereby generator 109 generates electricity.

As mentioned above, control device 200 is suitably controlled water, fuel and the air that boiler 101 is provided accordingly with load request signal, and for the relation of the temperature of the steam of realizing importing to turbine, flow, pressure is maintained the function of the relation of expectation, and obtain the quantity of state of generating set of equipments each several part.Therefore, dispose the various measuring appliances that the quantity of state that represents its operating condition is detected among the thermal power generation complete equipment 100a.

Thermal power generation complete equipment 100a is equivalent to the set of equipments 100 of Fig. 1, the measuring-signal of the thermal power generation complete equipment of therefore obtaining from these measuring appliances, as shown in Figure 1, be sent to the outer input interface IF/I of control device 200 from set of equipments 100 as measuring-signal 1.

As measuring appliance, for example shown in the thermal power generation complete equipment 100a of Fig. 2 like that, the generating output checker 153 that figure is shown with the temperature meter 151 that the temperature of the steam of the High Temperature High Pressure that offers steam turbine 108 from heat exchanger 106 is measured, the pressometer 152 of measuring the pressure of steam, the electric energy that is generated electricity by generator 9 is measured.

Condenser (not shown) by steam turbine 108 cools off the water supply that produces to steam, offer the heat exchanger 106 of boiler 101 by make-up pump 105, but the flow that should supply water is measured by flow measuring probe 150.

In addition, be composition (nitrogen oxide (NOx), carbon monoxide (CO) and the sulfuretted hydrogen (H that comprises the waste gas with the burning gases of discharging from boiler 101 ₂The measuring-signal of concentration dependent quantity of state S) etc.), the measurement of concetration device 154 in the downstream by being arranged on boiler 101 is measured.In addition, although do not have the diagram of measuring appliance among Fig. 2, in addition the quantity of state of Pulverized Coal amount, air capacity etc. also and controlled device measured by measuring appliance obtain.

As above such, in the measurement data project of thermal power generation complete equipment 100a, comprise the quantity of state by the measured thermal power generation complete equipment 100a of above-mentioned each measuring appliance, namely offer the fuel flow rate of boiler 101, offer the air mass flow of boiler 101, offer the water supply flow of the heat exchanger 106 of boiler 101, in the heat exchanger 106 of boiler 101, produce and offer the vapor (steam) temperature of steam turbine 108, offer the pressure of supply water of water supply of the heat exchanger 106 of boiler 101, the gas temperature of the waste gas of discharging from boiler 101, the gas concentration of above-mentioned waste gas, and make a part of waste gas of discharging from boiler 101 recirculated exhaust gas flow of circulation etc. again boiler 101.The measurement data project is by among the measuring-signal database D B1 of keeping in the control device 200 of Fig. 1.

These measurement data projects, the result of the operation that the control signal 13 of also being exported by control signal generating unit 400 computings in the control device shown in Figure 1 200 for conduct produces is determined the measurement data project.Namely as the result who has carried out operation based on the operating side of 13 pairs of set of equipments each several parts of control signal, determined the value as the measurement data project of set of equipments quantity of state.

Next, the operating side of set of equipments described.At this, take air system that boiler 101 is provided as example, operating side in this case is described.Specifically, adopt Fig. 2, to the path of the air of the inside of putting into boiler 101, namely describe from the employed operating side, path of air that burner 102 is put into the path of 1 air of inside of boiler 101 and 2 air and put into the inside of boiler 101 from rear gas port 103.

In Fig. 2,1 time air imports to the pipe arrangement 130 from fan 120, be branched off into halfway through the pipe arrangement 132 of the air heater 104 in the downstream that is arranged on boiler 101 and the pipe arrangement 131 of not walking around through air heater 104, but in the pipe arrangement 133 in the downstream that is equipped on air heater 104, again collaborate, import to the attrition mill 110 of the manufacturing coal dust of the upstream side that is arranged at burner 102.

Through 1 air of air heater 104, by with in boiler 101, flow under burning gases carry out heat interchange and be heated.Walked around 1 air of 1 air after this is heated of air heater 104 will be in attrition mill 110 chippy pulverized coal conveying to burner 102.

The air that utilizes fan 121 and drop into from pipe arrangement 140 after being heated equally in air heater 104, is branched off in the pipe arrangement 142 that pipe arrangement 141 that 2 air use and rear gas port use, and is directed to respectively burner 102 and the rear gas port 103 of boiler 101.

Fig. 3 is the enlarged drawing of the pipe arrangement section that is associated of thermal power generation complete equipment 100a and air heater 104 downstream that is arranged on boiler 101 shown in Figure 2.Adopt this figure that one example of the operating side of boiler is described.

As the example that the air mass flow of sending here from fan 121 and drop into inside from burner 102 and from rear gas port 103 to boiler 101 is controlled, the control device 200 of thermal power generation complete equipment constitutes: the upstream side of the pipe arrangement 142 that the pipe arrangement 141 of using at 2 air and rear gas port are used is set to respectively air throttle (air damper) 162 and the air throttle 163 of operating side equipment, by control device 200 aperture of these air throttles 162 and air throttle 163 is regulated, can be respectively 2 air of the inside that offers boiler 101 and the flow of rear air (after air) be controlled.

In addition, as the example to sending here from fan 120 and controlling from the air mass flow that burner 102 drops into to the inside of boiler 101 with coal dust, constitute: the air throttle 160 and the air throttle 161 that in the pipe arrangement 131 that is about to collaborate part before pipe arrangement 133 and pipe arrangement 132, are set to respectively operating side equipment, by control device 200 aperture of these air throttles 160 and air throttle 161 is regulated, can be respectively the flow of the air of the inside that offers boiler 101 be controlled.

In addition, above-mentioned control device 200 can also be controlled other measurement data project, therefore also can change according to control object the place that arranges of operating side equipment.

As shown in Figure 3, in air heater 104, be respectively arranged with pipe arrangement 130 and pipe arrangement 140 that air is provided, wherein pipe arrangement 140 perforation air heaters 104 set, pipe arrangement 130 is by consisting of from pipe arrangement 131 and the pipe arrangement 132 that branches out midway, above-mentioned pipe arrangement 131 is walked around air heater 104 and is set, and above-mentioned pipe arrangement 132 connects air heater 104 and sets.

Afterwards, pipe arrangement 132 set for: after connecting air heater 104, collaborate to become pipe arrangement 133 and be directed to attrition mill 110 with pipe arrangement 131, by pipe arrangement 133 air imported to the burner 102 of boiler 101 with coal dust from this attrition mill 110.

In addition, pipe arrangement 140 set for: branch into pipe arrangement 141 and pipe arrangement 142 after connecting air heater 104, wherein pipe arrangement 141 imports to air the burner 102 of boiler 101, and pipe arrangement 142 imports to air the rear gas port 103 of boiler 101.

In addition, in the pipe arrangement 131 that is about to collaborate part before above-mentioned pipe arrangement 133 and pipe arrangement 132, air throttle 160 and the air throttle 161 that the air capacity that circulates is regulated is set respectively, in the upstream portion of above-mentioned pipe arrangement 141 and pipe arrangement 142 air throttle 162 and the air throttle 163 that the air capacity that circulates is regulated is set respectively.

And, by these air throttles 160～163 are operated, can change air through pipe arrangement 131,132,141,142 area, therefore can be to through pipe arrangement 131,132,141,142 and the air mass flow that offers the inside of boiler 101 is adjusted individually.

In addition, in the above description, be illustrated as an example of the operating side relevant with the air system of boiler 101 example, but in addition also have a plurality of operating sides.For example, if be fuel system, then exist the attrition mill that attrition mill 110 is rotated to exist output to control the pump etc. of usefulness with motor, in water system.And in addition, the various valves on the pipe arrangement of water system, vapour system, air system or draining (drain) system, various utility appliance etc. also become the object of the operation of control device 200 as the operating side.

The control signal 13 that control signal generating unit 400 by control device 200 calculates, be output via outside output interface IF/O as the operation signal 14 to thermal power generation complete equipment 100a, to the operate of the pipe arrangement 131,132,141 that is arranged at respectively boiler 101,142 air throttle 160,161,162,163 etc. operating side.

In addition, in the present embodiment, air throttle 160,161,162, the equipment such as 163 are called the operating side, will be called operation signal 14 from these control device 200 indications to the output signal of aforesaid operations end for these operating sides being operated the required control signal 13 that is calculated by control device 200.

In addition, as by control signal generating unit 400 by computing and output to the operation signal 14 of operating side, comprising: be arranged at respectively the pipe arrangement 131,132,141,142 and the aperture of air throttle 160～163 that the flow of air is regulated that air is offered boiler 101; The attrition mill that the fuel flow rate of the coal dust of the burner 102 that offers boiler 101 is regulated is with the rotating speed of motor; And make a part of waste gas of discharging from boiler 101 aperture of the waste gas valve used of the EGR of circulation again boiler 101; The rotating speed of make-up pump 105 drive motors; Decision imports to the aperture etc. of turbine governor valve 107 of the steam flow of turbine 108.

The control device 200 of generating set of equipments possesses be used to the steering logic that is achieved as follows function: each one of control operation end suitably controls accordingly water, fuel and the air that boiler 101 is provided with load request signal, and will import to temperature, the flow of the steam of turbine, the relation of pressure is maintained the relation of expectation.This steering logic is held among the steering logic database D B4 of Fig. 1, expression one example in Fig. 4.

Fig. 4 represents an example of typical logical circuit.In this example, have 4 groups of logical circuit L1, L2, L3, L4, inter-related situation is described.This logical circuit, although be not the circuit of above-mentioned generating set of equipments, if but for example hypothesis L1 for the logical circuit of the control that is used for load, L2 for the logical circuit of the control that is used for fuel, L3 for the logical circuit of the control that is used for supplying water, the L4 logical circuit for the control that is used for air, then can understand the interrelated and interactive situation of each steering logic for the control of set of equipments.

At first, logical circuit L1, L2, L3, L4, as arithmetic element, by such as additive operation (subtraction) circuit ad, multiplying operational circuit m, division arithmetic circuit di, proportional integral circuit PI, signal generating circuit SG, the formations such as function generating circuit FG, integrating circuit I, the processing on the steering logic is moved (signal flows in the direction of arrow of control signal wire) according to the connection of oriented (directional branch).In addition, comprise in each arithmetic element until the delay time information that finishes is carried out in this computing.

Input and output to logical circuit L1, L2, L3, L4 describe.At first IN is the metrical information input signal.This is the measuring-signal from set of equipments 200 inputs of Fig. 1, in most of the cases uses the feedback signal of action control system.Performance variable (A, B, C, D, E) is the goal-setting signal of control system.In addition, the steering order (a, b, c, d, e, f) that has the operation signal that is equivalent to set of equipments.At this, performance variable (A, B, C, D, E) is to the input variable of the control logic circuit that is used for generation steering order (a, b, c, d, e, f), is the value that can set.

If for example the control thought of logic L1 carried out extremely simple explanation, then adopt adder operation circuit ad1 to try to achieve with respect to echo signal A the deviation signal of measuring-signal IN1 as the control feedback signal, the result of adoption rate integral operation circuit PI makes steering order b, and b operates the operating side by steering order.In addition, before proportional integral computing PI, in multiplying operational circuit X, carry out the gain calibration based on measuring-signal IN2.In addition, by with the result of proportional integral computing circuit PI with come the signal of automatic signal generator SG in multiplying operational circuit X, to carry out the resulting signal of multiplying (steering order) a, come other operating side is controlled.

In the situation that this is routine, logical circuit L1 with performance variable A, two kinds of metrical information input signal IN1, IN2, from the signal of signal generating circuit SG as input, controlled instruction a, b.Logical circuit L2 with performance variable B, E, steering order b as input, controlled instruction c.Logical circuit L3 with performance variable D, E, metrical information input signal IN3, steering order c as input, controlled instruction e.Logical circuit L4 with performance variable C, metrical information input signal IN4, steering order a, e as input, controlled instruction f.Can understand between a plurality of logical circuit L1, L2, L3, L4 of this Fig. 4, the relation by above-mentioned instruction, signal exists the logical circuit that is positioned at the upstream and the logical circuit that is positioned at its downstream, and brings impact.

Can be clear and definite in this example, the output of each logical circuit L is that steering order (a, b, c, d, e, f) is provided for respectively in the set of equipments operating side everywhere and carries out control, and as the part input of other logical circuits L.Performance variable (A, B, C, D, E) also is used in the different logical circuits sometimes in addition.

Can be clear and definite according to above explanation, the control device 200 of Fig. 1 under common operating condition from set of equipments 100 input measurement signals 1 and operation signal 14 is provided.This function is carried out by control signal generating unit 400.Control signal generating unit 400 adopts the measurement data 3 that is stored among the measuring-signal database D B1 and the such steering logic data 11 of for example Fig. 4 that are stored among the steering logic database D B4, and the mode that becomes the value of expectation according to measuring-signal 1 generates control signal 13.In addition, the control signal 13 that generates in control signal generating unit 400 is stored among the control signal database D B5.

Although the logical circuit of Fig. 4 is not the circuit of generating set of equipments, had before illustrated and to have supposed that for example L1 is that logical circuit, the L2 that is used for the control of load is that logical circuit, the L3 that is used for the control of fuel is the logical circuit that is used for the control of air for logical circuit, the L4 for the control of supplying water.In this hypothesis, can think that for example performance variable A is that load request signal, B are that fuel request signal, D are that water supply request signal, C are the air request signal.These performance variables are so-called goal-setting signal, in the example of thermal power generation complete equipment, when load request signal is changed, other goal-setting signal (fuel request signal B, water supply request signal D, air request signal C) is also changed with averaging out.In this alter operation, need to determine the order of seasonal effect in time series size, the change of each goal-setting signal, regularly.

In the control device 200 of Fig. 1, in correction signal operational part 300, determine the seasonal effect in time series size of performance variable, in order of operation operational part 500, determine the order of the change of performance variable, regularly.This determination result is reflected in the control in the control signal generating unit 400.

Below, the function of correction signal operational part 300, control signal generating unit 400, order of operation operational part 500 is described simply.

At first, in control signal generating unit 400, adopt the steering logic data 11, the measurement data 3 that are stored among the steering logic database D B4, the mode that becomes the value of expectation according to measuring-signal 1 generates control signal 13.In this steering logic database D B4, as shown in Figure 4, preserve the control circuit, the control parameter that are used for calculating steering logic data 11 and 12.In the control circuit of calculating these steering logic data 11 and 12, adopt known PI (ratio/integration) control etc. as prior art.

Control signal generating unit 400 is carried out work like that by above basically, but in this case, and the control signal that provides according to control signal generating unit 400 becomes the mode of optimum value, and is adjusted by correction signal operational part 300 and order of operation operational part 500.Therefore, in control signal generating unit 400, also input is stored in correction signal operational data 6 among the computing information database DB2, is stored in the order of operation information 8 among the order of operation information database DB3.

Wherein, order of operation and the timing of so-called order of operation information 8 for considering when control signal generating unit 400 generates control signal 13 decides by order of operation operational part 500.In the order of operation operational part 500, adopt order of operation computing information data 9, determine order of operation information 8, this order of operation computing information data 9 comprises: the performance variable condition of considering when set of equipments is controlled of preserving among the steering logic data 12 of preserving among the measurement data 3 of preserving among the measuring-signal database D B1, the steering logic database D B4 and the order of operation information database DB3.Operation result is that order of operation information data 10 is stored among the order of operation information database DB3.Therefore the function composing of this order of operation operational part 500 core of the present invention at length describes in addition.

In addition, the data that so-called correction signal operational data 4 is proofreaied and correct for the size of control signal 13 that control signal generating unit 400 is generated decide by correction signal operational part 300.Input is stored in measurement data 3 among the measuring-signal database D B1, is stored in the correction signal computing information 5 among the computing information database DB2 and is stored in order of operation information 7 among the order of operation information database DB3 in the correction signal operational part 300.And, generate correction signal operational data 4 as the operation result at this.This correction signal operational data 4 is stored among the computing information database DB2.In addition, a part of measurement data 3 that is stored among the measuring-signal database D B1 is imported in control signal generating unit 400 and the order of operation operational part 500, is used in these computings.

Correction signal operational part 300 has the function of size of the performance variable of the logical circuit that determines Fig. 4 in brief, but this inner structure can be realized by existing known gimmick in situation of the present invention.For example, can decide according to the viewpoint of record in No. the 4627553rd, the Jap.P. size of performance variable.The example of for example controlling with thermal power generation complete equipment, when having changed load request signal, be that what kind of degree is the echo signal of fuel, water supply, air capacity change about the performance variable (goal-setting signal) that should make other, correction signal operational part 300 is tried to achieve the size of this best.These values are by learning to become optimum value to the experience in past etc.Among the present invention, correction signal operational part 300 can be suitable for these known technologies and realize, therefore omits above detailed description.

In addition, in the order of operation information data 10 that is stored in from order of operation operational part 500 the order of operation information database DB3, comprise the information relevant with the order of operation of operable input message (performance variable) on the steering logic of setting via maintenance apparatus 910 the operator of set of equipments 100.

In addition, in control signal generating unit 400, consider operation historical record in the past from order of operation information data 10, the performance variable information that should consider when the control signal that is extracted in this generates generates control signal 13 based on this.

By being made as this structure, the order of operation information data 8 that control device 200 determines according to considering to be stored in the steering logic information among the steering logic database D B4 generates control signal 13.Control by after the impact that possesses this mechanism (mechanism), can carry out the phase mutual interference of having considered between performance variable or steering order can improve control performance.

Control device 200 probably consists of as described above, carries out the control of set of equipments 100.This is controlled under operator's the supervision of set of equipments 100 and carries out, so control device 200 is connected with maintenance apparatus 910.

The operator of set of equipments 100 can access the information of preserving by using the external input device 900 that is made of keyboard 901 and mouse 902, maintenance apparatus 910 and the image display device 920 that can carry out with control device 200 data transmit-receive in the various databases that control device 200 possesses.Therefore, control device 200 has for exchanging not shown input part or the efferent of inputoutput data information 90 with maintenance apparatus 910.

By adopting these devices, the operator of set of equipments 100 can input that employed condition in correction signal operational part 300, control signal generating unit 400 and the order of operation operational part 500 at control device 200 is set and the required information of affirmation of resulting operation result.

Maintenance apparatus 910 is made of outer input interface 911, data transmit-receive handling part 912 and outside output interface 913, can be via data transmit-receive handling part 912 and control device 200 transceiving datas.

The maintenance apparatus input signal 91 that externally generates in the input media 900 is acquired in the maintenance apparatus 910 via outer input interface 911.In the data transmit-receive handling part 912 of maintenance apparatus 910, obtain inputoutput data information 90 according to the information of keeping in repair apparatus input signal 92 from control device 200.

In addition, in data transmit-receive handling part 912, the condition setting of in correction signal operational part 300, control signal generating unit 400 and the order of operation operational part 500 of control device 200, using according to the information output of maintenance apparatus input signal 92 and the required inputoutput data information 90 of affirmation of resulting operation result.

In the data transmit-receive handling part 912, the resulting maintenance apparatus of the result output signal 93 after will processing inputoutput data information 90 sends to outside output interface 913.The maintenance apparatus output signal 94 that sends from outside output interface 913 is shown in the image display device 920.

In addition, in above-mentioned control device 200, measuring-signal database D B1, computing information database DB2, order of operation information database DB3, steering logic database D B4 and control signal database D B5 are disposed at the inside of control device 200, but these whole or a part of outsides that also can be disposed at control device 200.

Below, according to the Control sequence of the contents processing of the control device 200 of the flowchart text presentation graphs 1 of Fig. 5.Process flow diagram shown in Fig. 5, combination step S10, S11, S12, S13, S14, S15, S16, S17, S18, S19 and S20 carry out.Below describe for each step.

At first, after the action of control device 200 begins, in the step S10 of the executive condition of setup control device, employed various Parameter Conditions when being set in the execution of correction signal operational part 300, control signal generating unit 400 and order of operation operational part 500.

Next, in the step S11 of setting operation variable, control device 200 is set the performance variable of the object that becomes the alter operation condition for set of equipments 100.This performance variable can at random be selected according to the control purpose from the operation item (CRT operation) that defines steering logic.In addition, as the logical circuit of Fig. 4 was illustrated, so-called performance variable was the echo signal of control system, and in the example of Fig. 4, (A, B, C, D, E) is equivalent to this performance variable.This means for example in the example of thermal power generation complete equipment, when paying close attention to load request signal as the control purpose, should from more performance variable, extract the goal-setting signal of the fuel that should control evenly with load request signal, water supply, air, as the performance variable that becomes the object that operating conditions is changed.

Next, in the step S12 that order of operation is calculated, make 500 actions of order of operation operational part, when set of equipments 100 is controlled, the order that calculating is changed the performance variable of being set by above-mentioned steps S11, and be stored among the order of operation information database DB3.That is, these echo signals are in the suitable timing change size of control procedure and used, but need be changed interrelatedly, and therefore the timing of change becomes important.During echo signal that for example change is supplied water in the example of boiler, need to also change fuel, air and make monolithic stability, but owing to mutually there being transiently time delay, therefore need to consider order that other performance variable is changed and regularly.In addition, narrate for detailed function and the action back of order of operation operational part 500.

Next, in the step S13 that obtains the measuring-signal data, obtain measuring-signal data 1 via the outer input interface IF/I that is arranged at control device 200, and be stored among the measuring-signal database D B1.

Next, correction signal is being carried out among the step S14 of computing, correction signal operational part 300 is moved, based on the order of operation information of being calculated by step S12, the performance variable that generation will meet at current time is as the operation adjustment signal of operand.This operation adjustment signal is the control signal of a performance variable that will meet as object.That is, in step S12, although considered order that other performance variables are changed and regularly, also the size of the control signal 13 under the state of a control of transition is proofreaied and correct at this.

Next, in step S15, the operation adjustment signal operation result 4 that will try to achieve in step S14 is stored among the computing information database DB2.

Next, in the step S16 that generates control signal, make control signal generating unit 400 actions of control device 200, adopt the correction signal operational data 6, order of operation information 8, the steering logic data 11 that are stored among computing information database DB2, order of operation information database DB3 and the steering logic database D B4 to generate control signal 13.The control signal 13 that generates in the control that is used in set of equipments, also be stored in control signal database D B5.

The ensuing step S17 that the execution of control is judged judges as branch.Can not carry out at current time according to the operating condition of set of equipments 100 in the situation of operation of set of equipments, enter into step S18, in the situation that be not such step S19 that enters into.

In the step S18 that set of equipments is controlled, the control signal 13 that generates is exported as control signal 14 via the outside output interface IF/O that is arranged at control device 200, set of equipments is controlled.

Following step S19 also is that branch is judged.According to the order of operation of calculating among the step S12, in the situation that the control of the set of equipments 100 relevant with a series of performance variable is through with, enter into step S20, in the situation that be not such step S13 that enters into.

At last, the step S20 that judges the end of a series of processing action is that branch is judged.Inputted via external input device 900 in the situation of signal of the release that makes control device 200 of the present invention, entered into the step that processing is finished, in the situation that be not such step S11 that turns back to.

By above action, in the action of control device 200 of the present invention, the operator of set of equipments 100 is based on the executive condition that sets, and can obtain independently and carry out that service data obtains, order of operation calculating, correction signal computing, control signal generates and control is implemented a series of processing.

Next, the concept map of the process flow diagram of employing Fig. 6 and Fig. 4, Fig. 7, Fig. 8 describes the detailed action of the order of operation operational part 500 in the above-mentioned control device 200.

Fig. 6 has at length represented the action of the step S12 of overall flow figure shown in Figure 5 for the process flow diagram of the action of expression order of operation operational part 500.The process flow diagram of Fig. 6 is carried out by combination step S121, S122, S123, S124 and S125.Below each step is described.

After the action of order of operation operational part 500 began, at first in step S121, the performance variable that consideration sets in the step S11 of Fig. 5 extracted and reads in the steering logic information that is stored among the steering logic database D B4.

So-called steering logic information, by being used for and generating logical circuit and the setup parameter information structure thereof that control device 200 is controlled to the required control signal of complete equipment 13 from the metrical information of set of equipments etc. as input, as shown in Figure 4, take the form that connects a plurality of arithmetic elements with oriented.

For example be Fig. 4 circuit at this so-called logical circuit that is used for generating control signal 13, so-called its setup parameter is the arithmetic element that forms logical circuit and its various constants etc.For example comprise performance variable, measuring-signal, if and then arithmetic element is the proportional integral circuit, then parameter of proportionality constant, storage gain, integration time constant and so on etc. is also included within wherein, if perhaps be in the situation of function generator, then the usable range etc. of gain or input (output) signal is also included within wherein.

Be illustrated for Fig. 4, therefore be not elaborated, but such shown in this example, in the control of set of equipments, steering order (a, the b suitable with the operation signal of operating side, c, d, e, f) computing and their echo signal be a plurality of performance variable (A, B, C, D, E) the existence relation.And its combination is along with number increase and the change of performance variable (A, B, C, D, E) are large.In addition, be present in the performance variable in the downstream of logic migration, the impact that then is subject to owing to the change of other performance variables of upstream side is also larger.Therefore, in the situation that all performance variables (A, B, C, D, E) are once changed, exist because this interaction and the possibility that can not control to the operating conditions of expectation.

Among the present invention, pay close attention to performance variable and come their relation is put in order.Specifically, next, in the step S122 that the control signal correlation matrix is extracted, for the steering logic of the Fig. 4 that reads in, the form by matrix shown in Figure 7 shows the mutual relationship between performance variable (A, B, C, D, E).Among Fig. 7, stipulate which type of mutual relationship performance variable A, B, C, D, the E shown in the example of Fig. 4 exists in logical circuit L1, L2, L3, L4.

For example, try to pay close attention to performance variable B.Performance variable B is the side's of the multiplying operational circuit m in the logical circuit L2 input, but the opposing party's of multiplying operational circuit m input is steering order b, decides by performance variable A in logical circuit L1.

Thus, if pay close attention to the output of multiplying operational circuit m, then the operation of performance variable B is subject to result's the impact of the operation of performance variable A.In addition, if similarly pay close attention to the output of multiplying operational circuit m, then the operation of performance variable A is affected according to the result of the operation of performance variable B.Thus, can say that there are mutually interaction relationship in the operation of performance variable B and the operation of performance variable A.Below, pay close attention to the performance variable in downstream, this situation is called " operation of performance variable B is in according to the result of the operation of performance variable A and affected interaction relationship ".

As above such, when the interaction relationship between performance variable existed, next this interaction relationship was held in research quantitatively.At this, pay close attention to the quantitative assurance of the time delay between performance variable.Specifically, for example from the operation of performance variable A among logical circuit L1, deriving steering order b, and after in logical circuit L2 till the multiplying of steering order b and performance variable B, exist processing so far time delay of process.

Above processing, for inter-related performance variable among employed a plurality of performance variables in a plurality of logical operations that are stored in the steering logic database, by each performance variable try to achieve until the 2nd performance variable join in the logic operation result of the 1st performance variable during logical operation in time delay.

Come dominating role by the delay that the proportional integral circuit PI of logical circuit L1 produces the time delay of this moment.If performance variable B is carried out quantification with respect to the interaction relationship of performance variable A according to the above content considering delay time, and marks in matrix, then as shown in Figure 7, in the capable A row of B, put down in writing 600.At this, record numerical value is equivalent to the time delay (integration time constant) of the proportional integral circuit PI of logical circuit L1.

The performance variable C in downstream and the performance variable A of upstream are tried to confirm same interaction relationship.Performance variable C is imported among the adder operation circuit ad5 in the logical circuit L4 as a side input.One of input of the opposing party of adder operation circuit ad5 is that steering order a determines by performance variable A in logical circuit L1.Thus, if pay close attention to the output of adder operation circuit ad5, the operation that then can say performance variable C is in according to the result of the operation of performance variable A and affected interaction relationship.

In addition, from the operation of performance variable A among logical circuit L1, deriving steering order a, and after this in logical circuit L4 till the additive operation of steering order a and performance variable C, exist processing so far time delay of process.Come dominating role by the delay that the proportional integral circuit PI of logical circuit L1 produces the time delay of this moment.According to above content, if the considering delay time is carried out quantification with performance variable C with respect to the interaction relationship of performance variable A, and mark in matrix, then as shown in Figure 7, in the capable A row of C, put down in writing 600.

Performance variable E to the performance variable B of upstream and nearest downstream tries to confirm same interaction relationship.Performance variable E input as a side in logical circuit L2 is imported into adder operation circuit ad2, but the opposing party of adder operation circuit ad2 input determines by performance variable B in logical circuit L2.Thus, the operation of performance variable E is in according to the result of the operation of performance variable B and affected interaction relationship.In this case, from the operation of performance variable B among logical circuit L2 with the additive operation of performance variable E till, an existence function generator FG, and have hardly time delay.According to above content, if the considering delay time marks performance variable E in matrix with respect to the interaction relationship of performance variable B, then as shown in Figure 7, in the capable B row of E, put down in writing 0.

Performance variable D to the performance variable C in downstream and nearest upstream tries to confirm same interaction relationship.Performance variable C input as a side in logical circuit L4 is imported among the adder operation circuit ad5, but one of input of the opposing party of adder operation circuit ad5 determines by performance variable D in logical circuit L3.Thus, the operation of performance variable C is in according to the result of the operation of performance variable D and affected interaction relationship.In this case, the operation of the performance variable D from logical circuit L3 in logical circuit L4 with the additive operation of performance variable C till, there are caused time delay 300 of integrating circuit I in existence function generator FG and integrating circuit I.According to above content, if the considering delay time marks performance variable C in matrix with respect to the interaction relationship of performance variable D, then as shown in Figure 7, in the capable D row of C, put down in writing 300.

If according to above identical process, confirm for the performance variable of upstream and the performance variable in downstream, then remaining combination only is the relation of performance variable D and performance variable E.And owing to performance variable E uses in logical circuit L2 and logical circuit L3, so the relation of performance variable D and performance variable E becomes the relation in downstream, upstream mutually.Performance variable E does not almost have time delay in the relation of the logical circuit L3 that is arranged in the downstream, and performance variable E produces some time delays 10 in the relation from the logical circuit L2 that is arranged in the upstream to logical circuit L3 conversely.

For all operations variable of the relation that is in nearest downstream, upstream, extract mutual relationship between performance variable from logical circuit L1, L2, L3, L4, the result finally extracts correlation matrix shown in Figure 7.In addition, mark between the performance variable of the matrix of Fig. 7 to the relation that is in nearest downstream, upstream, therefore do not have the information that meets in addition the part.

Next, in the step S123 of execution based on the evaluation of chart computing, based on the control signal correlation matrix of the Fig. 7 that is made by step S122, generate the digraph of the mutual relationship between the expression performance variable, and carry out its computing evaluation.

Fig. 8 illustrates the digraph that generates based on the correlation matrix of Fig. 7, takes the structure that connects between the node N that represents each performance variable by oriented 30.Oriented 30 connection is present between the performance variable of having stipulated correlationship in correlation matrix.

For example in the example of Fig. 7, between performance variable A and performance variable B, it is 600 correlationship that the performance variable B in downstream has time delay with respect to the performance variable A of upstream.If show this situation with Fig. 8, then from the node NA that means performance variable A the node NB that represents performance variable B is connected with to a 30AB.In addition, put down in writing 600 as delay time information at oriented 30AB.

In addition, in the example of Fig. 7, between performance variable B and performance variable E, it is 0 correlationship that the performance variable E in downstream has time delay with respect to the performance variable B of upstream.If show this situation with Fig. 8, then from the node NB that means performance variable B the node NE that represents performance variable E is connected with to a 30BE.In addition, put down in writing 0 as delay time information at oriented 30BE.

In addition, in the example of Fig. 7, between performance variable A and performance variable C, it is 600 correlationship that the performance variable C in downstream has time delay with respect to the performance variable A of upstream.If show this situation with Fig. 8, then from the node NA that means performance variable A the node NC that represents performance variable C is connected with to a 30AC.In addition, put down in writing 600 as delay time information at oriented 30AC.

And then in the example of Fig. 7, between performance variable C and performance variable D, it is 300 correlationship that the performance variable C in downstream has time delay with respect to the performance variable D of upstream.If show this situation with Fig. 8, then from the node ND that means performance variable D the node NC that represents performance variable C is connected with to a 30DC.In addition, put down in writing 300 as delay time information at oriented 30DC.

In addition, in the example of Fig. 7, between performance variable E and performance variable D, has the correlationship that becomes mutually upstream, downstream.If show this situation with Fig. 8, then from the node ND that means performance variable D the node NE that represents performance variable E is connected with to a 30DE, put down in writing 0 as delay time information at oriented 30DE.And then in this case, from node NE node ND is connected with to a 30ED, put down in writing 10 as delay time information at oriented 30ED.

For the digraph of the Fig. 8 that generates by above process, calculate the evaluation of estimate of each performance variable (A, B, C, D, E), but its detailed order adopts the process flow diagram of Fig. 9 to narrate in the back.

Next, in the step S124 that determines order of operation, based on the evaluation of estimate of each performance variable that is calculated by step S123, begin to determine successively order of operation from the less performance variable of each evaluation of estimate.

At last, in step S125, the order of operation information that determines is stored in order of operation information database DB3, and enters the step of the action of end operation order operational part 500.

Next, the process flow diagram that adopts Fig. 9 in the action of order of operation operational part 500, describe about the detailed action of the digraph of evaluation map 8.Fig. 9 is equivalent to the step S123 based on the evaluation of digraph computing in the process flow diagram of execution graph 6.

Process flow diagram shown in Figure 9 is carried out by combination step S1231, S1232, S1233, S1234, S1235, S1236 and S1237.

After the algorithm of digraph computing begins, carrying out among the step S1231 of appointment carrying out start node (the node NA of Fig. 8, NB, NC, ND, NR), at random be designated as the node of the starting point of beginning chart computing.Selected at first node NA at this.

Next, carry out among the initialized step S1232 node being moved variable, the node migration initialization of variable of the node serial number of the calculation process object that expression is current is start node NA.In addition, the evaluation of estimate with each performance variable (A, B, C, D, E) is initialized as 0.

Next the step S1233 that has non-migratory destination node to judge is branch.Not existing from the node that becomes current processing object in the situation of the connection of the node that did not move, enter into step S1234, in the situation that be not such, enter into step S1236.

Ensuingly connect the step S1234 that source node judges and be branch having or not.For current processing Object node, exist in the situation of the node that becomes the connection source to enter into step S1235, in the situation that be not such, enter into the step that the algorithm that makes the digraph computing finishes.

In following step S1235, migration turned back to the arbitrarily node in the node that is connected with current node, and processing is turned back to above-mentioned steps S1233.

On the other hand, in the step S1236 of XM migration, the arbitrarily node from current processing Object node to the node that is connecting and the past did not move moves.

In the ensuing step S1237 that the evaluation of estimate of each performance variable is calculated, read the delay time information in oriented that is recorded in after the migration, try to achieve that the provisional value of evaluation of estimate in the node in migration source adds this delay time information and the value that obtains, as the provisional value of the evaluation of estimate in the node of migration target.

Figure 10 represents that the example with Fig. 8 is applicable to the treatment scheme of Fig. 9 and the flow process of processing when having carried out estimating, Fig. 9 each several part and the information that generates this moment.Figure 10 records the numbering of the number of times of expression cycle for the treatment of, judgement path, the migration destination node of judging, the node of judging and the evaluation of estimate that this node is given of the treatment step of this moment, the node of the benchmark in this circulation in treatment step S1237 in treatment step S1236.In addition, in the judgement path for the treatment of step, only record the end numeral of step for convenient record.Therefore, the situation that becomes " 3 " means step S1233.In addition, the migration destination node of judging in treatment step S1236 means the new node that should judge from other meaning in next time circulation.

The initial circulation first time, establishing current node is NA.In this case, in step S1233, judge whether to exist the connection from the node that becomes current processing object to the node that did not move, owing to have in this case (existences) this connection, so transfer to treatment step S1236.At this, node NB and NC become object, but at first select node NB, and storage NB is as the linking objective node in step S1236.Next transfer to treatment step S1237, storage NB=600 is as the evaluation of estimate of this moment.This NB=600 means the evaluation of estimate till the node NB when establishing datum node is NA.

In for the second time circulation, current node is the NB of linking objective, and datum node is NA.In this case, in step S1233, because therefore the connection of existence from current processing Object node to the node that did not move transfer to treatment step S1236.At this, select node NE, storage NE is as the linking objective node in step S1236.Next transfer to treatment step S1237, storage NE=600 is as the evaluation of estimate of this moment.In this case, as the evaluation of estimate from the total of node NA, with for the first time circulation 600 with for the second time 0 addition of circulation, thereby store 600 evaluations of estimate as node NE.

In for the third time circulation, current node is the NE of linking objective.In this case, in step S1233, because therefore the connection of existence from current processing Object node to the node that did not move transfer to treatment step S1236.At this, select node ND, storage ND is as the linking objective node in step S1236.Next transfer to treatment step S1237, storage ND=610 is as the evaluation of estimate of this moment.In this case, as the evaluation of estimate from the total of node NA, add 10 of for the third time circulation in 600 of for the second time circulation, storage 610 evaluations of estimate as node ND.

In the 5th circulation, current node is the NC of linking objective.In this case, in step S1233, owing to the connection that does not exist from current processing Object node NC to the node that did not move, therefore transfer to treatment step S1234.At this, for current processing Object node NC, become in existence in the situation of node in connection source, enter into step S1235.In this case, the connection source node is NA, therefore enters into step S1235.At this, migration turned back to the arbitrarily node in the node that is connected with current node NC, and processing is turned back to above-mentioned steps S1233, therefore for current node NC, migration turned back to connect source node NA.In addition, in Figure 10, in the hurdle of step S1236 of the 5th circulation, recorded and narrated connection source node NA (being not in the judgement of step S1236, to have determined NA) with the meaning of the new node that in next time circulation, should judge.In addition, because without step S1237, so evaluation of estimate is not added up.

In the 6th circulation, current node becomes NA again.In this case, in step S1233, owing to existing NC as the node that did not move from current processing Object node, therefore transfer to treatment step S1236, NC is as the linking objective node in storage.Next transfer to treatment step S1237, storage NC=600 is as the evaluation of estimate of this moment.

In the 7th circulation, current node becomes NC again.In this case, in step S1233 since do not exist from current processing Object node to do not move the connection of node, therefore transfer to treatment step S1234.In S1234, there are not the node that does not connect that comprises the connection source so end process for NC.

In addition, in the flow process of Fig. 9, establishing NA is datum node, tries to achieve the result that evaluation of estimate has been carried out tracking as other the connected node of being connected with the connection source from linking objective that both sides pair are associated with this datum node.In this judgement, can not follow the trail of the relation between node ND, NE, but by for example node as other ND be carried out exploration again as datum node, thereby can similarly try to achieve the evaluation of estimate of all selections in propping up.

By carrying out above algorithm, final falling into a trap at each node calculated the evaluation of estimate of performance variable.If observe the example of Figure 10, then the evaluation of estimate of each performance variable finally becomes NA:0, NB:600, NC:910, ND:610, E:600, lists A, the B, E, D, the C that obtain after commentary is worth and becomes the interactional impact between performance variable is suppressed to minimal order of operation to rise in-line arrangement.

Can be clear and definite according to above a series of explanation, in the order of operation operational part 500 of control device 200, come the automatically order of operation of calculating operation variable based on the interaction relationship of the time of from steering logic, extracting.Its result, execution will become the phase mutual interference between the performance variable of problem in multivariable Control impact is suppressed to minimal control, can access and more preferably control effect.

The action that is applicable to for the order of operation of the performance variable of will be as above being tried to achieve by order of operation operational part 500 like that in the situation of control signal generating unit 400 describes simply.For example in the logical circuit of Fig. 4, carried out in the situation of change the change of executable operations variable B and performance variable E after being postponed by evaluation of estimate 600 official hours in the value to the performance variable A of upstream.And then, the change of executable operations variables D after being postponed by evaluation of estimate 610 official hours.Performance variable C carries out change after being postponed by evaluation of estimate 600 and 910 official hours.In order of operation operational part 500, only determine this order and timing.Determine by correction signal operational part 300 which type of size corrected value is made as particularly.

Next, in the control device of set of equipments, describe for the maintenance apparatus 910 with control device 200 transceiving datas.Especially, adopt Figure 11, Figure 12, Figure 13 and Figure 14, demonstration shown picture from the image display device 920 of the maintenance apparatus output signal 94 of outside output interface 913 transmissions is described.These figure are a concrete example of picture shown in image display device 920.The operator utilizes these display frames to carry out various settings and operation.

Figure 11 is that performance variable is set picture.It is an example that is expressed as the specification of employed picture 80 among the step S11 in the process flow diagram of Fig. 5 of running order of control device of complete equipment, the setting operation variable that this performance variable is set picture.

This performance variable is set in the picture 80 and has been carried out two larger demonstrations.One of them is the selection picture of the steering logic used by order of operation operational part 500 in the control device of set of equipments.Steering logic selects the logical diagram display frame 600 that picture shows by the form with the logical circuit of Fig. 4 and the tabulation display frame 601 of specifying this logical circuit to select with logical number to consist of.At this, come the display logic circuit by specifying logical number, and be confirmed to be the logical circuit that comprises the performance variable of wishing change.

Second performance variable set picture, for the performance variable that extracts the performance variable of wishing change in the performance variable included from this logical circuit is set, extracted and use picture.In performance variable tabulation 602, be presented at all performance variables included in this logical circuit, in selecting performance variable tabulation 603, show selected a part of performance variable.During button 604,605 is used in and selects from the performance variable of these pictures.Selection result is determined by conclusion button 606.

By this setting picture 80 shown in Figure 11 can setting operation order operational part 500 employed steering logic figure, correction signal operational part 300 and order of operation operational part 500 employed performance variables.

The concrete processing that has utilized picture is described.The operator can be at picture disply shown in Figure 11 under the state of image display device 920, and the mouse 902 of external input device 900 is operated and with the numerical value frame of Focal Point Shift to the picture, by using keyboard 901 input values.In addition, come the button on the picture is clicked by operating mouse 902, thereby can select (pressing) button.

In the picture of Figure 11, at first make the steering logic data that are stored among the steering logic database D B4 be shown in logical diagram display frame 600.The guide look of the logical data preserved among the steering logic database D B4 is shown in the tabulation display frame 601, selects arbitrarily logical number by operating mouse 902, thus demonstration that can switch logic figure display frame 600.In addition, in the steering logic data suitable with selected steering logic numbering, the performance variable of object that becomes the performance variable of set of equipments is shown in the performance variable tabulation 602.

Next, operation by mouse 902 in the performance variable from be shown in performance variable tabulation 602 is chosen in employed performance variable in the correction signal generation, selects in the performance variable tabulation 603 by selecting button 604 this performance variable can be appended to.In addition, also similarly operating mouse 902 is at random selected selected performance variable, and by selecting button 605 from select performance variable tabulation 603, to delete.

By this picture, can only extract in a plurality of performance variables in a plurality of control logic circuits, performance variable is mutually related.At this, with the example of thermal power generation complete equipment, the what is called performance variable that is mutually related refers to, as for the echo signal of the fuel of load request signal, water supply, air, is in the variable of the relation that need to control evenly.

If select button 606 after finishing above executive condition is selected, then end operation specification of variables picture enters into the execution of the step S12 of Fig. 5.

Figure 12 is for setting the performance variable of selecting in the picture for the performance variable at Figure 11, in being presented at order of operation operational part 500, determined the result of its order of operation and carried out based on this order of operation set of equipments operation midway through out-of-date, shown operation result display frame in image display device 920.

The operator, operates and clicks button on the picture to the mouse 902 of external input device 900, thereby can select (pressing) button under the state of image display device 920 at the picture disply of Figure 12.

In the picture of Figure 12, the order of operation of the performance variable that calculates in order of operation operational part 500 is shown in the order of operation tabulation 610.In addition, the tabulation 612 of the unit 611 of each performance variable value and current operation progress state is also arranged and is shown in the tabulation 610.In addition, in operation progress status list 612, symbol

Mean to operate and finish symbol

Mean not operation.

In addition, for the performance variable in the current operation, its content of operation is shown in demonstration dialog box 613.For example, carry out the demonstration of the form of " present being operating as changes to (value zz) with (performance variable xx) from (value yy) " and so on.In addition, in the picture of Figure 12, by selecting respectively button 614 and 615, can start respectively and show the order of operation operation result display frame of Figure 13 and the operating characteristic display frame of Figure 14.

By the picture disply of Figure 12, can confirm the order of operation that in order of operation operational part 500 of the present invention, calculates, and can confirm the development situation to the operation of current set of equipments 100.

Figure 13 is that the order operation result display frame of the operation result of display algorithm is an example that has been shown in the picture 80 in the image display device 920 when having selected the button 614 of Fig. 2 in the order of operation of order of operation operational part 500 is calculated.

In the order operation result display frame of Figure 13, as the result who in order of operation operational part 500, calculates, each performance variable 621 is shown in the operation result tabulation 620 according to the liter of evaluation of estimate 622 is suitable.In addition, the digraph that uses when the order of operation computing is shown in the chart display frame 623.At this, consistent with the arbitrarily performance variable 625 that in tabulation 620, shows by make cursor 622 with mouse 902, thus performed node and oriented when strengthening the evaluation of estimate computing that is presented at selected performance variable with thick line.In the situation that this figure strengthens the demonstration that shows " 3D*****610 ".Thus, the operator of set of equipments can confirm the derivation foundation of the order of operation that order of operation operational part 500 carries out.In addition, by selecting button 624 that the order operation result display frame of Figure 13 is finished.

Figure 14 for confirm by correction signal operational part 300 generate according to the order of operation of calculating and during the control correction signal, during for the control characteristic of set of equipments 100, be shown in the control characteristic display frame in the image display device 920.

Be shown under the state of image display device 920 in control characteristic display frame shown in Figure 14, mouse 902 by operation external input device 900 also selects to be shown in arbitrarily performance variable in the performance variable tabulation 630 on the picture, thereby can mobile cursor 636.In addition, except each performance variable 631, also show needle is to the operating conditions value 632 before and after the operation of each performance variable, 633 and the value 634 and 635 of the operation front and back of the controlled variable of the set of equipments 200 that produces of control device of the present invention 100 in this tabulation.

In the example of illustrated control characteristic, represented that in the situation that performance variable A***** is become 90 from preoperative 100, controlled variable a is changed to 1200 (variations) from 1000; In the situation that performance variable B***** is become 85 from preoperative 100, controlled variable a is changed to 35 (variations) from 60; In addition, for the performance variable D***** in the current selection operation, in the situation that it is become 70 from preoperative 100, controlled variable a is changed to 500 (variations) from 360.

In addition, selected under the state of performance variable (being D***** in the illustrated example) arbitrarily at cursor, the operating characteristic chart corresponding with it is shown in chart display part 637.In the chart display part 637, adopt the chart of one dimension to show selected performance variable D***** (transverse axis) with respect to the operating characteristic of controlled variable a (longitudinal axis), the actual achievement value (using zero mark) after identical chart is drawn preoperative performance variable value (using the ■ mark in the chart), operation, the operation predicted value when operating simultaneously (using ● mark).

At this, so-called operation predicted value when operating simultaneously means do not adopt the order of operation that calculates in order of operation operational part 500 of the present invention, and having operated simultaneously the group of conditional value in the situation of all performance variables, selected performance variable and the controlled variable of this moment, the operation predicted value when this operates is simultaneously calculated in correction signal operational part 300.

According to above chart, control effect in the situation that can confirm according to order of operation operation result of the present invention set of equipments 100 have been carried out operating, and also can with the situation that does not adopt order of operation operation result of the present invention under the control effect compare, can confirm the control effect to set of equipments 100 that control device of the present invention produces at picture.

In addition, finish by the picture of selecting button 638, can make to show among Figure 14.

By above statement, be through with for the explanation of picture shown in the image display device 920 in the control device of set of equipments.

Above, the situation that is applicable to thermal power generation complete equipment take the control device 200 with set of equipments of the present invention is illustrated as example, but as above like that according to the present invention, even in the very strong situation of the phase mutual interference between performance variable, also automatically calculate the order of operation that makes its interactional impact become minimum, and control according to this order, therefore can access and more preferably control effect.In addition, determine that in order of operation the operator gets involved in each stage of operation, can confirm through and the result, therefore can become the high device of reliability.

In addition, the present invention is not limited to the above embodiments, but comprises various variation.For example, the above embodiments at length are illustrated for the present invention is held intelligible explanation, may not be defined in to possess all structures that illustrated.In addition, the part of certain embodiment can be consisted of the formation that is replaced into other embodiment, also the formation of other embodiment can be joined in the formation of certain embodiment in addition.In addition, consist of for the part of each embodiment, also can carry out the appending/delete of other formations/replace.

In addition, each above-mentioned formation, function, handling part, processing means etc. also can be by realizing they part or all such as adopting that integrated circuit designs etc. and come with hardware.In addition, above-mentioned each formation, function etc. also can realize with software by by processor the program that realizes each function being made an explanation and carrying out.

The information such as program, form, file, mensuration information, computing information that realizes each function can place in the recording medium of the pen recorder of storer, hard disk, SSD (Solid State Drive, solid-state drive) etc. or IC-card, SD card, DVD etc.Therefore, each is processed, respectively consists of and can realize each function as handling part, processing unit, program module etc.

In addition, control line and information wire show and think in the explanation and may not show all control lines and information wire by the line that is necessary on product.Can think that also in fact nearly all structure is connected mutually.

The industrial possibility of utilizing

The present invention can be applicable in the control device of various set of equipments.

The explanation of symbol

1,2: measurement signal, 3: Measurement Data, 13: Control signal, 14: Operation Signal, 100: control object equipment, 101: Boiler, 102: Burner, 103: Rear air intake, 104: Air Heater 105: for the pump, 106: heat Exchanger, 108: turbo, 109: Generator, 110: milling machine, 120,121: Fan, 130 ~ 134: Pipe, 140 ~ 142: Pipe, 150: water meter, 151: temperature measuring device, 152: Pressure gauge, 153: the power output meter, 154: 161 ~ 163 concentration measurement device: Throttle, 200: control means, 300: The correction signal calculation unit, 400: control signal generation unit, 500: operation sequence arithmetic unit, 900: External input device, 910: repair appliances, 920: an image display device, M: computing device M, DB: database, IF: interface section, DB1: measuring signal database, DB2: computing information database, DB3 : Operation sequence information database, DB4: control logic database, DB5: control signal database, IF / I: external input interface, IF / O: external output interface

Claims (11)

1. the control device of a set of equipments, obtain a plurality of measuring-signals from set of equipments, carry out in order to make the measuring-signal a plurality of logical operations consistent with the performance variable of this measuring-signal, and provide a plurality of control signals to above-mentioned set of equipments, the control device of this set of equipments is characterised in that

This control device possesses:

The steering logic database, it preserves the steering logic data, and these steering logic data comprise the performance variable that is used in above-mentioned a plurality of logical operations;

The control signal generating unit, it carries out above-mentioned logical operation, and generates a plurality of control signals that set of equipments is provided; With

The order of operation operational part, the order of operation of its arithmetic operation variable,

Aforesaid operations order operational part, for in a plurality of performance variables that are used in a plurality of logical operations of storing in the above-mentioned steering logic database, inter-related performance variable, by each performance variable obtain until the 2nd performance variable join in the logic operation result of the 1st performance variable during above-mentioned logical operation in time delay, decide the order of operation of a plurality of performance variables

Above-mentioned control signal generating unit is carried out in order to make a plurality of logical operations consistent with the performance variable of these a plurality of measuring-signals of above-mentioned a plurality of measuring-signal that a plurality of control signals are offered above-mentioned set of equipments, and when the size of employed performance variable changes in to a plurality of logical operations, carry out other the change order of performance variable that is associated with this performance variable according to the order of operation of a plurality of performance variables of being obtained by aforesaid operations order operational part.

2. the control device of set of equipments according to claim 1 is characterized in that,

Comprise PI control in a plurality of logical operations of storing in the above-mentioned steering logic database, possess the integration time constant of PI control as parameter, aforesaid operations order operational part uses above-mentioned integration time constant as the time delay in the logical operation.

3. the control device of set of equipments according to claim 1 is characterized in that,

In aforesaid operations order operational part, possess following functions: extract the steering logic be associated with performance variable, according to between the performance variable of this steering logic time delay/ineffective time the equal time key element decide above-mentioned time delay.

4. the control device of a set of equipments, obtain a plurality of measuring-signals from set of equipments, carry out in order to make the measuring-signal a plurality of logical operations consistent with the performance variable of this measuring-signal, and provide a plurality of control signals to above-mentioned set of equipments, the control device of this set of equipments is characterised in that

This control device possesses:

The steering logic database, it preserves the steering logic data, and these steering logic data comprise the performance variable that is used in above-mentioned a plurality of logical operations;

The control signal generating unit, it carries out above-mentioned logical operation, and generates a plurality of control signals that set of equipments is provided; With

The order of operation operational part, the order of operation of its arithmetic operation variable,

Aforesaid operations order operational part, for inter-related performance variable, with the form of the matrix of the mutual relationship of expression between performance variable grasp until the 2nd performance variable join in the logic operation result of the 1st performance variable during above-mentioned logical operation in time delay, mutual relationship between performance variable is transformed to digraph, obtain the evaluation of estimate of each performance variable according to digraph, and decide the order of operation of a plurality of performance variables according to the size of evaluation of estimate

Above-mentioned control signal generating unit is carried out in order to make a plurality of logical operations consistent with the performance variable of these a plurality of measuring-signals of above-mentioned a plurality of measuring-signal that a plurality of control signals are offered above-mentioned set of equipments, and when the size of employed performance variable changes in to a plurality of logical operations, carry out other the change order of performance variable that is associated with this performance variable according to the order of operation of a plurality of performance variables of being obtained by aforesaid operations order operational part.

5. the control device of set of equipments according to claim 4 is characterized in that,

In order to obtain the evaluation of estimate of each performance variable according to above-mentioned digraph, come migration process between XM according to internodal oriented connection by each performance variable setting, by the delay time information addition of putting down in writing in will this oriented along with node migration, calculate the evaluation of estimate of each performance variable.

6. according to claim 4 or the control device of 5 described set of equipments, it is characterized in that,

In aforesaid operations order operational part, begin in order batch operation order from the little performance variable of evaluation of estimate of each performance variable of obtaining by said process.

7. the control device of each described set of equipments is characterized in that according to claim 1～6,

Above-mentioned control device comprises image display device,

In image display device, set picture as performance variable, show included performance variable in a plurality of logical operation circuits and this circuit, and tabulation shows the performance variable that extracts from shown performance variable, and this performance variable sets that picture is used for being chosen in a plurality of performance variables that use in a plurality of logical operations that above-mentioned steering logic database stores, inter-related performance variable.

8. the control device of each described set of equipments is characterized in that according to claim 1～6,

Above-mentioned control device comprises image display device,

In image display device, as operation result display frame, show needle determines the result of its order of operation to selected performance variable and carries out set of equipments based on this order of operation in the order of operation operational part midway the passing through of operation.

9. the control device of each described set of equipments is characterized in that according to claim 1～6,

Above-mentioned control device comprises image display device,

In image display device, as the result who in the order of operation operational part, calculates, show that liter according to evaluation of estimate is along the order operation result display frame that each performance variable is shown in the operation result tabulation.

10. the control device of each described set of equipments is characterized in that according to claim 1～6,

Above-mentioned control device comprises image display device,

In image display device, as control characteristic display frame, be presented at when having carried out the set of equipments control that above-mentioned control signal generating unit carries out, each performance variable before changing after value and non-controlled quentity controlled variable before changing after value.

11. the control device of each described set of equipments is characterized in that according to claim 1～10,

Set of equipments is thermal power generation complete equipment,

As measuring-signal, comprise at least one the signal in the steam flow, vapor (steam) temperature, vapor pressure of the concentration separately of nitrogen oxide that expression comprises, carbon monoxide, sulfuretted hydrogen and set of equipments from the gas that thermal power generation complete equipment is discharged,

As control signal, comprise at least one the signal in the aperture that determines air throttle, air mass flow, fuel flow rate, water supply flow, turbine governor aperture, the recirculated exhaust gas flow.

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