KR970020921A - Group Control of Elevator by Fuzzy Multi-Purpose Decision Making - Google Patents

Abstract

The present invention allows the multipurpose decision making to be made by determining the optimum value for satisfying all the attributes among a plurality of alternatives in order to meet the control objectives by changing the importance of the boarding call in the elevator system according to the state of the system. Provided is a group control device of an elevator by fuzzy multi-purpose decision making.

Accordingly, the present invention receives the boarding call from the boarding point calling unit 2 and the status information from the plurality of first to nth call controlling units A1 to An, and also allocates a service call according to the group control function. An input / output interface 12 for outputting an input, an input / output interface 12 for receiving a lift call and status information of a service call, and an output command for outputting an assignment command of a service call according to a group control function, and the boarding call and service Item operation means 14 for calculating the fuzzy operation value by receiving the state information of the breathing machine and assigning all the service breaths to perform the epoch operation of evaluation items according to a plurality of control purposes, and the calculated fuzzy operation value according to the state of the system. The objective evaluating means 16 for calculating fuzzy evaluation values for each purpose by mapping the objective functions for a plurality of changing control purposes, The final evaluation means 18, which calculates the fuzzy final evaluation value according to the goodness of fit for all control purposes through the defined weights, receives the weights from the manager through the monitoring means 6 and transmits the weights to the final evaluation means 18. And a ranking means 20 for determining the ranking of the calculated fuzzy final evaluation value and determining the elevator unit having the highest ranking as the service breathing unit.

Description

Group Control of Elevator by Fuzzy Multi-Purpose Decision Making

Since this is an open matter, no full text was included.

2 is a block diagram showing a group control apparatus of an elevator by fuzzy multi-purpose decision making according to the present invention;

3 is a diagram showing a hardware configuration of the present invention;

4 is a diagram showing a software configuration of the present invention;

5 is a membership function showing a ranking state of fuzzy evaluation values according to a preferred embodiment of the present invention.

Claims (9)

Input / output interface which receives boarding call from boarding caller 2 and status information from a plurality of first-th nth call controllers A1 to An and outputs an assignment command of a service call according to the group control function. (12) an item calculating means (14) for calculating the fuzzy operation value by receiving the boarding call and the status information of the service call and assigning all the service calls to perform the prediction operation of the evaluation items according to the plurality of control purposes. An objective evaluating means (16) for calculating fuzzy evaluation values for each purpose by mapping the calculated fuzzy operation values to the objective functions for a plurality of control purposes which vary according to the state of the system, Input the weights from the manager through the final evaluation means 18 and the monitoring means 6 to calculate the fuzzy final evaluation value according to the goodness of fit for all the control objects through the weights. A response processing means 22 which receives the final evaluation means 18 and transmits it to the final evaluation means 18, and a ranking means 20 which determines the rank of the calculated fuzzy final evaluation value and determines the elevator unit having the highest priority as a service call. An elevator group control apparatus according to the fuzzy multi-purpose decision making, characterized in that configured. The method of claim 1, wherein the item operating means (14) comprises a plurality of control purposes including: a first control purpose (minimum waiting time) in which an increase waiting time is set as an evaluation item, and an increase long waiting time as an evaluation item; A group control device for an elevator by fuzzy multi-purpose decision making, characterized in that it comprises two control purposes (minimum long-term incidence rate) and a third control purpose (minimum energy consumption) in which an increased moving distance is set as an evaluation item. The minimum operation value, the average operation value, and the maximum operation value according to claim 1 or 2, respectively, through the prediction operation of the evaluation items for the first, second, and third control purposes in the item operation means 14, respectively. A group control apparatus for an elevator by fuzzy multi-purpose decision making, characterized in that it is calculated. 4. The minimum calculation value, the average calculation value, and the maximum calculation value of the increase waiting time according to the evaluation item for the first control purpose in the item calculation means 14, wherein TWTi = WT _ij +. ΔWT _im , j∈K [where j is the boarding call generation floor, i is the assignment assignment elevator, TWT _i is the increased waiting time for unit i, WT _ij is the estimated waiting time for the new boarding call, [Delta] WT _im is calculated by the formula of increase of waiting time of boarding call], and the minimum calculation value, the average calculation value, and the maximum calculation value of the increase waiting time according to the evaluation item for the second control purpose are TLTi = LT _ij. + △ LT _im, j∈K [stage, TLT _i is the increase in section of the waiting time i exhalation, LT _ij is the acute angle section of the new waiting time seungjang hosut, △ LT _im Chapter latency increase in call seungjang] of Calculated by the equation, the minimum operation value, the average operation value and the maximum operation value of the increase moving distance according to the evaluation item for the third control purpose, TMF _i = MF _ia -MF _ib [TMF, is the increase moving distance, MF _ia is the moving distance after the provisional allocation, MF _ib is the movement control group prior to the assignment, the military control device of the elevator by fuzzy multi-purpose decision. 5. The minimum calculation value min_T _i or the average calculation value ave_TWT _i for the evaluation item of the first control purpose predicted by the item calculation means 14 in the objective evaluation means 16. , The fuzzy calculation value U _il = {(u, μU _il (U _il ))} for the maximum operation value max_TWT _i μU _il (U _il ): R → [0,1] → The minimum calculation value min_TLT _i , the average calculation value ave_TLT _i , Fuzzy operation value U _i2 = {(u, μU _i2 (U _i2 ))} for the maximum operation value max_TLT _i μU _i2 (U _il ): R → [0,1] → The fuzzy operation value for the minimum operation value min_TMF _i , the average operation value ave_TMF _i , and the maximum operation value max_TMF _i for the evaluation items for the third control purpose is converted according to the equation U _il = {(u, μU _i3 (U _i3 ))} Membership function μU _i3 (U _i3 ): R → [0,1] → Group control apparatus of an elevator by fuzzy multi-purpose decision, characterized in that converted by the equation. The method according to claim 5, wherein the fuzzy evaluation value in the objective evaluating means (16) is obtained by mapping the perch operation value _uj to the objective function gi, Calculated by the equation, and the fuzzy multipurpose decision making of the elevator characterized in that to map to the objective function gj for three values of the belonging function value of the fuzzy operation value U _ij is '0', '1' Military control device. According to claim 1 or 6, wherein the final evaluation means 18 evaluates the fuzzy value R _ii = (r1 _ii, rm _ii, rn _ii) trigonometric fuzzy channel home and purge weight wheel, which is defined by an administrator W of Assuming a triangular fuzzy index of _j = (wl _j , wm _j , wn _j ), the final fuzzy evaluation value is represented by a triangular fuzzy index of R ₁ = (rl _i , rm _i , rn _i ,), Membership function The group control apparatus of an elevator by fuzzy multi-purpose decision, characterized in that calculated by the equation. 8. The factor of the triangular purge index with respect to the fuzzy final evaluation value R _i in the final evaluation means 18 is The group control apparatus of an elevator by fuzzy multi-purpose decision, characterized in that calculated by the equation. The α-cut set of the fuzzy final evaluation value R _i in the ranking means 20 is set to Riα = α [(rm-rn) + r1, α (rm-rn) + rn. Calculated by the following formula, and the average of the set Ri Calculated by the equation, the ranking of the alternative elevator integrating the average Av (R _i , α) is The optimum elevator a ⁰ , which is calculated by the equation and has the highest rank 0 (ai), is a ⁰ = {ai | A group control apparatus for an elevator by fuzzy multipurpose decision making, which is calculated by the formula (0 (ai)). ※ Note: The disclosure is based on the initial application.