JPH0363703A - Automatic adjustment fuzzy controller for output quantity of apparatus - Google Patents

Abstract

PURPOSE:To always obtain an optimum state adapted to monitoring of an operator by setting the luminance of a CRT and the sound volume of a buzzer by adjusting them automatically to an optimum output state, in accordance with an input of the luminance and the noise being in the vicinity of an apparatus detected by a detecting means. CONSTITUTION:When an operator is in a state that an input operation can be executed through a display output part 12 and a sound volume output part 17 of an apparatus, detections means 15, 16 detect luminance and a noise being in the vicinity of the apparatus. By setting these detection elements as the antecedent part, a fuzzy inference control means outputs the most appropriate correction output quantity based on a fuzzy rule so as to derive an optimum consequent part, and by this output, a luminance adjusting means and a sound volume adjusting means are controlled. In such a way, the luminance of a display screen, and the sound volume of a buzzer and a voice can be adjusted automatically and set to an optimum output state corresponding to a variation of the periphery of the apparatus, and by maintaining its optimum luminance and sound volume, an optimum state adapted to monitoring of an operator can always be maintained.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial Application Field The present invention relates to an automatic device output adjustment device that is applied to devices such as remote central monitoring devices used in banking operations. The present invention relates to a fuzzy control device that automatically adjusts the output amount of a device to facilitate manual operation of the device by automatically converting the output amount to an amount that corresponds to changes in the environment around the device.

(B) Conventional Technology Generally, this type of equipment displays the transaction status of the terminal on a display screen, and uses a buzzer or voice to clearly monitor whether or not a failure has occurred.

However, the brightness of the display screen is greatly affected by the brightness around the device, which may make it difficult to read the displayed content, and the buzzer sound or voice may not be audible due to temporary noise.

(c) Problems to be Solved by the Invention The present invention can automatically adjust the display brightness and volume in accordance with the brightness and noise surrounding the device, and always set the output amount of the device under optimal conditions. The purpose of this invention is to provide a fuzzy control device that automatically adjusts the amount of equipment output.

(D) Means for Solving Problems This invention provides a brightness adjustment means for adjusting the brightness of a display output section of a device, a volume adjustment means for adjusting the volume of a volume output section of the device, and a brightness adjustment means for adjusting the brightness of a display output section of a device, A detection means for detecting noise and outputs the most appropriate corrected output amount based on fuzzy rules containing appropriate corrected output amounts for brightness and volume in response to the input of brightness and noise around the device detected by the above-mentioned detection means. , a fuzzy control device for automatically adjusting the amount of device output, comprising fuzzy inference control means for controlling the luminance control means and the volume control means by fuzzy inference.

(E) Effects of the Invention According to the present invention, when the operator is in a state where input operation is possible through the display output section and the volume output section of the device, the detection means detects the brightness and noise around the device; Using these detection elements as the antecedent part, the fuzzy inference control means outputs the most appropriate corrected output amount based on fuzzy rules in order to find the optimal consequent part, and uses this output to fuzzy control the brightness adjustment means and the volume adjustment means. Inference control.

(f) Effects of the invention As a result, the brightness of the display screen and the volume of the buzzer and audio can be automatically adjusted and set to the optimal output state according to changes in the surroundings of the device, and the optimal brightness and volume can be set automatically. By maintaining this, the operator can reliably eliminate oversights and omissions and maintain an optimal state that is always in line with the operator's monitoring.

(g) Examples An embodiment of the present invention will be described in detail below based on the drawings.

The drawing shows a fuzzy control device for automatically adjusting the output amount of a remote central monitoring device, and the remote central monitoring device 11 in FIG. 1 includes a CRT 12 as a display device, a keyboard 13 as an input device, and a printer for printing out monitoring data. 14 etc., various data on transactions and usage conditions are input from a plurality of terminals under the supervision of this device ill, and each of these terminals is remotely monitored.

At the upper front of the CRT 12 mentioned above, there is a remote central monitoring device 1.
The keyboard 13 is equipped with a brightness detector 15 for detecting the brightness condition around the remote central monitoring device 1, and a noise detector 16 for detecting the noise condition around the remote central monitoring device 13, and a noise detector 16 on the top surface of the keyboard 13. It is equipped with a buzzer 17 that emits sound.

Based on the detection signals of these detectors 15 and 16, the brightness of the CRT 12 currently displayed and the buzzer 1
The volume of No. 7 is automatically adjusted by fuzzy control, which will be described later, so as to obtain the optimum output amount.

FIG. 2 shows a fuzzy inference control circuit for automatically adjusting the output amount of this remote central monitoring device 11. , outputs appropriate brightness and volume to the brightness adjustment device 23 and volume adjustment device 24 via a fuzzy inference engine (hereinafter referred to as FIE) 25, and transmits the necessary control data at this time to the RA.
Store it in M26.

The above-mentioned FIE 25 includes a brightness detector 15 and a noise detector 16.
The current detection element determined by the detection signal from the antecedent part X1. A fuzzy rule is set in which X2 (condition part) is the corrected output amount of brightness and volume set corresponding to this current detection element as consequent part Yl, Y2 (conclusion part), and each of the above-mentioned detectors is 15. The most appropriate brightness correction output amount Zl and volume correction output amount Zl are outputted from the detection elements of 16 based on the above-mentioned fuzzy rules, and these correction output amounts Z1.
In Z2, the brightness adjustment device 23 and the volume adjustment device 24 are controlled by fuzzy inference so that the brightness and volume are suitable for the monitoring conditions of the operator.

The above-mentioned fuzzy rule is set according to a predetermined fuzzy rule table 27, which is based on predetermined appropriate values corresponding to the luminance detection amount X1 and the noise detection amount X2, and Compare the detected facts and draw the most appropriate conclusion for these facts in Figure 3 (a) (b) (antecedent part) and Figure 4 (a) (b) (consequent part). It is set by a membership function using fuzzy variables as shown in .

In this membership function, the fuzzy set degree (
Each label (fuzzy value) indicating the grade) is divided into the direction display group of (positive direction P/standard 2) and the direction display group of (large L/
The membership function that is set to display in combination with the medium M-/[)S) degree display group and indicates the degree of brightness around the device in Figure 3 (a) is: Z: Dark PS: Slightly dark PM : Somewhat dim PL : Indicates quite bright.

The membership functions showing the degree of noise around the device in FIG. 3 (b) are as follows: Z: Quiet PS: Slightly noisy PM: Somewhat noisy PL: Quite noisy.

The membership function showing the output degree of the CRT in Figure 4 (A) is as follows: 2: PS to turn off the light, output to low brightness PM: To output to half brightness PL: To output to high brightness .

The membership functions showing the degree of output of the buzzer sound in FIG. 4(B) are as follows: 2: To mute PS: To make small output sound PM: To make small output sound PL: To make high output sound.

Furthermore, as an example of the setting of the fuzzy rule table 27 mentioned above, as shown in FIG. If the surrounding situation is such that it is dark < (XI = PS) and the noise detection amount Adjustment device 2
Step 4: Set the output to maintain the current output state (
Yl = Z) (Y2 = Z).

if X1=PS X2=PSthen
Yl = Z Y2 = Z (Rule 2) If the detected value of the surrounding situation of the remote central monitoring device 11 is that the luminance detection amount X1 is a little dark < (XI = PS) and the noise detection amount X2 is quite noisy ( If the surrounding situation is X2 = PL), the buzzer sound is hardly audible due to the external influence of noise, and the monitoring is unstable, so in that case, the FIE 25 will display a high brightness display on the brightness adjustment device 23. The output is set to Yl = PL), and the volume control device 24 is set to output a low output sound (Y2 = PM).

if XI =PS X2 =PLthen
Yl = PL Y2 = PM (Rule 3) If the detected value of the surrounding situation of the remote central monitoring device 11 is within the luminance detection amount XI to a certain extent < (Xl = PM)
, the noise detection amount x2 also has some noise (X2 = P
In the surrounding situation M), the display surface of the CRT 12 is difficult to see due to external influences due to brightness and noise, and the buzzer sound is difficult to hear. Brightness adjustment device 2 to turn on
3 to display low brightness (Yl=PS),
Also, the volume control device 24 is set to output a low output sound (Y2 = PM).

i f XI = PM X2 = PMthe
n Yl = PS Y2 = PM (Rule 4) If the value detected around the remote central monitoring device 11 is that the luminance detection 11XI is quite bright (X1 = PL) and the noise detection amount X2 is a little noisy (X2 = PS), the display surface of the CRT 12 is under unstable monitoring due to the external influence of brightness and noise, so in that case, the FIE 25 adjusts the brightness to create a difference in brightness and darkness.・Please output to the device 23 so that it is displayed in low brightness.
1=PS), and the volume control device 24 is set to output a low output sound (Y2=PS).

i f XI = PL X2 = PSthe
n YI=PS Y2=PS (Rule 5) If the detected value of the surrounding situation of the remote central monitoring device 11 is that the luminance detection amount XI is quite bright < (X1=PL) and the noise detection amount X2 is quite noisy. If the surrounding situation is (X2 = PL), the display surface of the CRT 12 is difficult to see due to the external influence of brightness and noise, and the buzzer sound is difficult to hear.
・The IE 25 outputs to the brightness adjustment device 23 so as to display medium brightness (Yl = PM), and the volume adjustment device 24
Set it to output high-output sound so that you don't miss anything (
Y2 = PL).

i f XI = PL X2 = PLthe
n Yl = PM Y2 = PL In this way, as shown in rules 1, 2, 3, 4.5..., if...
The rules are set by making the consequent parts of then... correspond to the conditions under which the brightness and volume of the remote central monitoring device 11 are optimal for the human power of the antecedent parts of.

The control operation of the output amount automatic adjustment fuzzy control device of the remote central monitoring device 11 configured as described above will be explained next.

Now, when the operator uses the remote central monitoring device 11, the brightness detector 15 detects the surrounding situation of this device 11 to obtain the brightness detection amount XI, and the noise detector 16 detects the noise detection amount X2.
Based on these detection elements, the FIE 25 applies fuzzy reasoning to the brightness adjustment device 23 and the volume adjustment device 24 so that the display brightness of the CRT 12 and the sound generated by the buzzer 17 are optimal according to the usage environment of the device 11. The corrected brightness output amount Zl and the corrected volume output amount Z2 are output and set to an output state suitable for the operator's monitoring environment.

As mentioned above, the brightness of the CRT and the volume of the buzzer can be automatically adjusted and set to the optimal output state according to changes in the surroundings of the device, and by maintaining these optimal brightness and volume, the operator can You will definitely miss something or miss something,
Optimum conditions can always be obtained according to the operator's monitoring.

In terms of the correspondence between this invention and the configuration of the embodiment described above, the device of the invention corresponds to the remote central monitoring device 11 of the embodiment, and the display output unit corresponds to the CRT 12 and the volume output The department is
The brightness adjustment means corresponds to the buzzer 17, the brightness adjustment means corresponds to the brightness adjustment device 23, the volume adjustment means corresponds to the volume adjustment device 24, the detection means corresponds to the brightness detector 15 and the noise detector 16, The fuzzy inference control means uses a fuzzy inference engine (FI
E) Corresponding to 25, the present invention is not limited to the configuration of the above-described embodiment.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, FIG. 1 is an external perspective view of a remote central monitoring device, FIG. 2 is a fuzzy control block diagram for automatically adjusting the output amount of the remote central monitoring device, and FIG. 3 (A) is a diagram of the device. Figure 3 (b) is a membership function diagram showing the degree of ambient brightness; Figure 3 (b) is a membership function diagram showing the degree of noise around the device; Figure 4 (a) is a membership function diagram showing the degree of output from the CRT; Figure 4 (b) is a membership function diagram showing the degree of output of the buzzer sound. 11...Remote central monitoring device 12...CRT15.
16...Detector 17...Buzzer 23...Brightness adjustment device 24...Volume adjustment device 25...Fuzzy inference engine 27...Fuzzy rule table Zl, Z2...Modified output amount 11. ...Remote viewing device 12...CRT Fig. 3 (4) Brightness on the same side of the device
B)

Claims (1)

[Claims] (1) A brightness adjustment means for adjusting the brightness of a display output section of the device; a volume adjustment means for adjusting the volume of a volume output section of the device; a detection means for detecting brightness and noise around the device; Based on the input of brightness and noise around the detected device, the system outputs the most appropriate corrected output amount using fuzzy rules that contain the correct corrected output amount of brightness and volume.
A fuzzy control device for automatically adjusting a device output amount, comprising fuzzy inference control means for controlling the luminance control means and the volume control means by fuzzy inference.