JP2712575B2 - Fuzzy control device for gate door of automatic redemption machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial application field The present invention automatically opens and closes a gate door of an automatic ticket gate used in station services, for example, based on a determination as to whether or not a ticket has been inserted. And a fuzzy control device for a gate of such an automatic ticket gate.

(B) Conventional technology Conventionally, gate opening / closing control of an automatic ticket gate is performed based on a determination means for determining whether or not a ticket of a passenger inserted into a ticket insertion slot of the automatic ticket gate body is acceptable and based on an output of the determination means. An opening / closing device that automatically opens and closes the gate door is provided, and the gate door is opened at a constant high speed by driving the above-described opening / closing device only when a valid ticket is inserted, or by driving the above-described opening / closing device only when an invalid ticket is inserted. The gate door was closed at a constant high speed.

(C) Problems to be Solved by the Invention However, in such a conventional apparatus, since the above-mentioned gate door is always controlled to open and close at a uniform high speed, vibration and noise are liable to be generated. In addition, when the disabled person passes through the passage of the automatic ticket gate, there is a problem that the above-mentioned opening / closing speed of the gate door becomes uncomfortable.

The present invention opens and closes the gate door at the most appropriate opening and closing speed according to the passing speed and height of the passenger, so that children, the elderly, and disabled people do not feel uncomfortable,
In addition, it is an object of the present invention to provide a gate door fuzzy control device for an automobile ticket gate that can reduce generation of vibration and noise due to opening and closing of the gate door.

(D) Means for Solving the Problems The present invention relates to an automatic ticket gate provided with a gate door, a door opening / closing means for opening / closing the gate door so that the opening / closing speed can be changed, and a passenger passing through the passage of the automatic ticket gate. First detecting means for detecting the passing speed of the vehicle, second detecting means for detecting the height of a passenger passing through the passage of the automatic ticket gate, and the passing speed and the height as antecedent. A fuzzy rule with the opening and closing speed of the door as a consequent part is set, and the most appropriate operation amount is output based on the fuzzy rule from the passing speed and height detected by the first and second detecting means, A gate fuzzy control device of an automatic ticket gate provided with fuzzy inference control means for fuzzy inference control of the door opening / closing means with the operation amount.

According to the present invention, when the passenger passes through the passage of the automatic ticket gate, the first detecting means detects the passing speed of the passenger, and the second detecting means detects the height of the passenger. Then, the fuzzy inference control means outputs the most appropriate operation amount (gate door opening / closing speed) based on the fuzzy rule (production rule) using the above-mentioned passing speed detection data and height detection data as antecedent parts (condition part), Fuzzy inference control of the above-mentioned door opening / closing means is performed with this operation amount.

(F) Effect of the Invention As a result, the opening / closing speed of the gate door is not uniform, and the gate door is opened / closed at the most appropriate opening / closing speed corresponding to the passenger's passing speed and height, for example, children, the elderly, disabled persons, etc. There is an effect that a child, an elderly person, a disabled person, and the like do not feel uncomfortable, and the generation of vibration and noise due to opening and closing of the gate door can be reduced.

(G) Embodiment of the Invention One embodiment of the present invention will be described below in detail with reference to the drawings.

The drawings show a gate fuzzy control device of an automatic ticket gate, and in FIGS. 1 to 3, an automatic ticket gate provided with a passage 3 between each of the units 1 and 2 in one unit 1 and the other unit 2. 4.

The above-mentioned automatic ticket gate 4 is provided with a pair of gate doors 5, 5, 6, 6 on both front and rear sides of the concourse side on the right side of the drawing and the home side on the left side of the drawing. When a valid ticket is inserted into the vehicle, a pair of gate doors 6, 6 on the rear side (home side) of the normally closed structure are opened.

In this embodiment, a one-way automatic ticket gate from the concourse side to the platform side is illustrated, so that the front (concourse side) gate doors 5,5 are stored in the units 1,2. Keep.

Here, the above-mentioned pair of gate doors 6, 6 is a door opening / closing device 7.
(Refer to FIG. 4).

On the other hand, the above-mentioned units 1 and 2 constituting the automatic ticket gate 4
As shown in FIG. 3, two photoelectric sensors 8 and 9 are opposed to each other at a position corresponding to the front part of the passage 3 so as to be spaced apart in the front-rear direction.
The speed detection sensor 10 detects the passing speed V of the passenger 4 passing through the passage 3 of the automatic ticket gate 4.

As shown in FIG. 3, a total of four photoelectric sensors 11, 12, 13, and 14 are opposed to each other at a vertical position corresponding to the center of the passage 3 of each of the units 1 and 2 as shown in FIG. And
Each of these photoelectric sensors 11 to 14 constitutes a height detection sensor 15, and the height detection sensor 15 detects the height H of the passenger A passing through the passage 3 of the automatic ticket gate 4.

FIG. 4 shows a fuzzy inference control circuit. The fuzzy controller 16 controls the passing speed V of the passenger A from the speed detection sensor 10 (corresponding to the input condition X1) and the height H of the passenger A from the height detection sensor 15 (the input condition). X2) is set as the antecedent part (condition part), and a fuzzy rule for setting the opening / closing speed of the gate doors 6,6 to the consequent part Y1 is set. Speed V and height H detected by
From the above based on the above fuzzy rules
Z1 is output, and the above-mentioned door opening / closing device 7 is subjected to fuzzy inference control with this operation amount Z1.

Here, the fuzzy rules described above correspond to the table 17 in FIG.
It is set as shown in

FIG. 5 shows a membership function of the passing speed V of the passenger A output from the above-mentioned speed detection sensor 10, and in this membership function, the labels are PS... Slow, PM.
PL ... shows fast.

FIG. 6 shows the membership function of the height H output from the height detection sensor 15 described above. In this membership function, each label indicates PS: low, PM: normal, PL: high.

FIG. 7 shows a membership function of the opening / closing speed Y1 of the gate doors 6, 6 (a value as a consequent part of FIG. 4 which is different from the operation amount Z1). In this membership function, each label is PS ...
Low speed, PM: medium speed, PL: high speed.

A fuzzy inference control operation of the gate fuzzy control device of the mobile ticket gate configured as described above will be described.

For example, a passenger A after a valid ticket is inserted into the passage 3 of the automatic ticket gate 4
Enters, and the speed detection sensor 10 detects the passing speed X1 of the passenger A.
(See FIG. 5), and when the height detection sensor 15 detects the height X2 of the passenger A (see FIG. 6), these passing speeds
Fuzzy inference control of the opening speed of the gate doors 6, 6 based on X1 and height X2 is as follows.

That is, as shown in FIG. 8, the conformity of the antecedent part is obtained from the labels (fuzzy values of fuzzy variables) and the grade of the antecedent part including the above-mentioned passing speed X1 and height X2.

Rule X1 = PS (0.7), X2 = PM (0.6), fitness 0.6 Rule X1 = PS (0.7), X2 = PL (0.3), fitness 0.3 Rule X1 = PM (0.3), X2 = PM (0.6) , Conformity 0.3 rule X1 = PM (0.3), X2 = PL (0.3), conformity 0.3 The conformity of the antecedent mentioned above takes a small value of each input grade in the rule, so-called min (minimum).

Next, the membership function of the consequent part is corrected in accordance with each of the above-mentioned degrees of fitness.

That is, when the height of each fuzzy set shown in FIG. 8 is corrected so as to match the degree of conformity of the antecedent part, the shape of the fuzzy set becomes a shaded part in FIG.

That is, Rule Y1 = PS (0.6) (see the shaded portion) Rule Y1 = PM (0.3) (see the shaded portion) Rule Y1 = PM (0.3) (see the shaded portion) Rule Y1 = PL (0.3) (see the shaded portion) Next, the results of the above rules are integrated and determined, and the operation amount Z1
Is determined.

That is, as shown in FIG. 9, the fuzzy sets resulting from the above four fuzzy rules are summed up to obtain a max.
(Max), and the operation amount Z1 is determined.

At this time, the area where the maximum of the opening speed Y1 of the gate doors 6, 6 is divided into two, that is, the center of gravity is determined as the operation amount Z1, and this is set as the most appropriate operation amount.

That is, the above-described opening speed of the gate doors 6, 6 depends on the operation amount Z.
In this example, the opening speed Z1 is determined to be an operation amount of, for example, 1.2 m / s, which is slightly slower than the medium speed, and the door opening / closing device 7 is drive-controlled so as to reach the operation amount Z1.

By executing such fuzzy propulsion control for the gate doors 6,6, in response to the state of the passenger A passing through the automatic ticket gate 4, that is, the passing speed V and the height H, for example, a child, an elderly person, a disabled person, etc. The above-mentioned gate doors 6, 6 can be opened at the most appropriate opening speed Z1 corresponding to the state of the above, so that the opening speed of the gate doors 6, 6 gives a sense of incongruity to children, the elderly, disabled persons, etc. Never.

Moreover, by controlling the opening speed of the gate doors 6, 6 by fuzzy inference control, there is an effect that generation of vibration and noise due to opening of the gate doors 6, 6 can be reduced.

In the above-described embodiment, the normally closed gate door 6,
An example of a one-way automatic ticket gate 4 that opens 6
A two-pass automatic ticket gate that closes a normally open gate door when an invalid ticket is inserted may be used.

In the correspondence between the configuration of the present invention and the above-described embodiment, the door opening / closing means of the present invention corresponds to the door opening / closing device 7 of the embodiment, and similarly, the first detecting means corresponds to the speed detecting sensor 10. The second detecting means corresponds to the height detecting sensor 15, and the fuzzy inference control means corresponds to the fuzzy controller 16, but the present invention is not limited to the configuration of the above-described embodiment.

[Brief description of the drawings]

1 is a plan view of an automatic ticket gate, FIG. 2 is a right side view of the automatic ticket gate, FIG. 3 is a front view of the automatic ticket gate, and FIG. Fuzzy control block diagram of the gate of the ticket gate, FIG. 5 is an explanatory diagram showing a membership function of the passing speed of the passenger, FIG. 6 is an explanatory diagram showing a membership function of the height of the passenger, FIG. 7 is opening and closing of the gate door FIG. 8 is an explanatory diagram showing a membership function of speed, FIG. 8 is an explanatory diagram of fuzzy inference control, and FIG. 9 is an explanatory diagram of operation amount determination by fuzzy inference control. 3 ... Passageway 4 ... Automatic ticket gate 6 ... Gate door, 7 ... Door opening / closing device 10 ... Speed detection sensor, 15 ... Height detection sensor 16 ... Fuzzy controller

Claims (1)

(57) [Claims] 1. An automatic ticket gate provided with a gate door, a door opening / closing means for opening and closing the gate door so that the opening / closing speed can be changed, and a first detecting means for detecting a passing speed of a passenger passing through a passage of the automatic ticket gate. And a second detecting a height of the passenger passing through the passage of the automatic ticket gate.
Detecting means and a fuzzy rule that sets the passing speed and the height as an antecedent and the opening and closing speed of the gate door as a consequent corresponding to the antecedent, and sets the fuzzy rules in the first and second detecting means. A gate door fuzzy gate of an automatic ticket gate having fuzzy inference control means for outputting a most appropriate operation amount from the detected passing speed and height based on the fuzzy rule and fuzzy inference control of the door opening / closing means with the operation amount; Control device.