JPH02284202A - Complementary type computer - Google Patents

Abstract

PURPOSE:To execute various processing at high speed without inducing the increase of a scale of a device, and to improve reliability by providing a serial arithmetic type central processing unit and a fuzzy inference device, and ex changing data of those mutually. CONSTITUTION:As for the processing of the data related to safety such as emergency stop, etc., the processing of the data accompanied with abmiguity and the processing of the data requiring high speed, the fuzzy inference device 20 is made to execute these processing, and as for mathematical processing such as differentiation and integration, etc., the CPU 14 is made to execute these processing. Then, when the mathematical processing comes to be required in the fuzzy inference device 20, the data to be processed is sent to the CPU 14, and its processed result is obtained from the CPU 14. Besides, when the processing such as he processing of the ambiguity, etc., comes to be required in a CPU 14 side, the data to be processed is sent to the fuzzy inference device 20, which executes that processing. Thus, the processing of the various data can be executed at high speed without inducing the scale-up of the device, and simultaneously, the reliability can be raised.

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention provides a complementary method for mutually exchanging data between a sequential central processing unit (hereinafter simply referred to as a CPU) and a fuzzy inference device. Concerning type computers.

<Prior art> Computers used in the past are equipped with one or more CPUs depending on processing speed requirements, and process input data and transmit the processing results to the outside. A sending configuration was used.

Furthermore, when it is necessary to process data based on empirical rules, a fuzzy inference device that performs fuzzy inference has been used.

<Problems to be Solved by the Invention> A computer using the above-mentioned CPU sequentially reads instruction codes and performs processing corresponding to the instruction codes. If the code is incorrect, the CPU
There was always concern about the authenticity of this action, as there was a possibility that it would spiral out of control from which it could not be recovered. Additionally, if the input data is of ambiguous nature and requires processing based on empirical rules, the processing will require a large amount of calculations, resulting in slow calculation speed. there were.

On the other hand, when attempting to perform mathematical operations such as differentiation or integration using a fuzzy inference device, a problem arises in that the hardware configuration becomes extremely complex and large-scale.

The present invention was created to solve the above problems, and its purpose is to provide a highly reliable complementary computer that can perform various processing at high speed without increasing the scale of the device. There is a particular thing.

<Means for Solving the Problems> In order to solve the above problems, the complementary computer of the present invention includes: a CPU that sends a control output to the control object by processing data from the observation object; a fuzzy inference device that outputs a manipulated value for a controlled object by performing fuzzy inference on the data, the sequential calculation type central processing unit and the fuzzy inference device;
Adopt a configuration that allows mutual data exchange.

<Operation> For processing data related to safety such as emergency stop, processing data with ambiguity, and processing data requiring high-speed processing, the processing is performed by a fuzzy inference device, and differentiation, Regarding mathematical processing such as integration, the processing is performed by the CPU, and when mathematical processing is required in the processing process performed by the fuzzy inference device, the data to be processed is sent to the CPU and the processing is performed. Get the result from the CPU. Further, in the processing process on the CPU side, when it becomes necessary to process ambiguity or emergency stop, data to be processed is sent to the fuzzy inference device and processing is performed based on the data.

<Embodiment> FIG. 1 is a block diagram showing the electrical configuration of an embodiment of the present invention.

In the figure, a digital output from an observation target 11 composed of a keyboard, a switch, a sensor, etc. is led to a CPU 14 via a digital input circuit 12 composed of an input data latch circuit, etc. The analog output from 11 is led to the CPU 14 via an analog input circuit 13 composed of an A/D converter or the like.

The output from the CPU 14 is sent to a digital output circuit 15 composed of a communication line such as R5-232, a latch circuit, etc., and an analog output circuit 16 composed of a D/A converter etc., and is output as an analog output. circuit 1
The analog signal from 6 and the digital output from digital output circuit 15 are sent to a controlled object 17 consisting of an external storage device, a CRT display, an actuator, a relay, and the like.

Further, the configuration of the 20 examples of fuzzy inference devices is the same as that described above, and data from the observation object 11 is guided through the digital input circuit 18 and the analog input circuit 19.
The output is sent to the controlled object 17 via a digital output circuit 21 and an analog output circuit 22.

The CPU 14 and the fuzzy inference device 20 are bidirectionally connected by a data line 14b for data exchange, and control outputs 14a and 20a indicating a request for data exchange are sent from each to the other side. ing. Furthermore, the observation target 11 and the control target 17 are connected bidirectionally.

The operation of one embodiment of the present invention having the above configuration will be described below.

Numerical data from the keyboard, etc. is input to digital input circuit 1.
2 to the CPU 14 and undergoes mathematical processing, it is sent to the controlled object 17 via the digital output circuit 15 and displayed on a CRT display device, or controlled via the analog output circuit 16. Sent to target F,
Operate the actuator.

Analog data whose processing does not require high speed is guided to the CPU 14 via the analog input circuit 13, and after being processed, is provided to the controlled object 17 via the analog output circuit 1G. In addition, if the data needs to be recorded or displayed as a numerical value, it is sent to a CRT display device, which is the controlled object 17, or an external storage device, etc. via the digital output circuit 15. be done.

The analog input circuit 19 is used to output data from the observation target 11 that indicates speed, angle, etc., and which requires processing with ambiguity, and analog data which requires high-speed processing. After being guided to the fuzzy inference device 20 through the fuzzy inference and subjected to processing based on fuzzy inference, the signal is applied to the controlled object 17 via the analog output circuit 22.

Further, data regarding safety such as emergency stop is led to the fuzzy inference device 20 via the digital input circuit 18, and the processing result is given to the controlled object 17 via the digital output circuit 21.

In the above operation, when fuzzy inference regarding data from the analog input circuit 13 led to the CPU 14 is required, the data is sent to the fuzzy inference device 20 via the data line 14b, and fuzzy inference is performed by the control output 14a. Give instructions to perform.

The fuzzy inference device 20 to which the instruction has been given is connected to the data line 1
Fuzzy inference is performed on the data derived by 4b, and the operation value that is the result of the inference is sent to the CPU 14 via the data line 14b. The CPU 14 sends the operation value to the controlled object 17 for display, and also outputs it to the controlled object 17 via the analog output circuit 16.

In addition, in the process of fuzzy inference, if mathematical processing is required, the control output 20a
Instructs the PU 14 to perform mathematical processing, and also sends the data to be processed to the C through the data line 14b.
Send to PU14. On the CPU 14 side, after performing mathematical processing on the derived data, the processing results are sent to the data line 14.
b is sent to the fuzzy inference device 20.

Furthermore, when recording or displaying an operation value that is the result of inference performed by the fuzzy inference device 20 on data led through the analog input circuit 19, the control output 20a is used to input data to the CPU 14. In addition to instructing that there is a transmission, the data line 14b
The inference result is sent to the CPU 14 via. CPU1
4 sends the data guided by the data line 14b to the controlled object 17 for display and storage.

Furthermore, in order to monitor whether the CPU 14 is running out of control, the fuzzy inference device 20 uses the control output 20a to give an instruction to send preset data from the CPU 14 at regular intervals.

When the data to be sent is the set data, it is determined that the CPU 14 is not out of control, and when the data is different or cannot be sent, the CPU 14
4 is out of control, it sends a signal to the controlled object 17 via the digital output circuit 21 to notify the control target 17, and also causes the CPU 14 to perform reset processing or trap processing to prevent an emergency caused by the runaway. Avoid the situation.

Note that the present invention is not limited to the above embodiment, and only one CPU 1
Although a configuration in which four CPUs are provided has been described, a configuration in which other numbers of CPUs are provided, for example, two CPUs, is possible.

<Effects of the Invention> The complementary computer according to the present invention has a configuration including a sequential calculation type central processing unit and a fuzzy inference device, and a data Since each device performs only the processing that is suitable for it, it is possible to process various data at high speed without increasing the size of the device. At the same time, since runaway does not occur in the fuzzy inference device, reliability can be increased.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the electrical configuration of an embodiment of the present invention. 14...Sequential calculation type central processing unit 20...Fuzzy inference device

Claims (1)

[Claims] (1) A sequential processing central processing unit that sends a control output to the controlled object by processing data from the observed object; 1. A complementary computer comprising: a fuzzy inference device that outputs manipulated values for a computer; said sequential arithmetic central processing unit and said fuzzy inference device exchange data with each other.