JPH0380338A - In-circuit emulator for fuzzy chip - Google Patents

Abstract

PURPOSE:To improve the debugging efficiency by controlling externally an emulation part to back up the debugging function via a debug back-up part based on the command input. CONSTITUTION:An input monitor part 21, an execution monitor part 23, and an output monitor part 24 of a debug back-up part 2 monitor the state of an emulation part 1 and informs an execution control part 22 of the coincidence with the set conditions. At the same time, the monitoring situations are stored in a trace memory 26. Then the part 22 interrupts and starts the inferring action of the part 1 based on the input received from each part and controls these operations from outside. Thus it is possible to decide the quality of a fuzzy rule, the necessity for correction, etc., and to improve the debugging efficiency in a system where a fuzzy chip is used by means of the function of a rule reference/update part 25.

Description

DETAILED DESCRIPTION OF THE INVENTION <Field of Industrial Application> The present invention relates to an in-circuit emulator for a fuzzy chip for efficiently debugging a system using a fuzzy chip.

<Prior art> In this type of debugging, a fuzzy chip monitors what kind of output occurs when a certain fuzzy rule is activated, and what kind of situation occurs in the controlled object as a result. , it is possible to judge whether fuzzy rules are good or bad and whether corrections are necessary. To complete the system,
It is essential to adjust the fuzzy rules and membership functions while checking the inference status of the fuzzy chip.

<Problems to be solved by the invention> However, in systems using fuzzy chips, it is difficult to input debugging commands to monitor the operating status of the fuzzy chip to be debugged or to control the operation of the fuzzy chip. No such debugging support device has yet been proposed, making it difficult to debug this ring system efficiently.

This invention was made with attention to the above problem, and it is possible to monitor the operating status and control the operation of the fuzzy chip by accepting command input for debugging, thereby improving the use of the fuzzy chip. The purpose of this invention is to provide a new in-circuit emulator that allows efficient debugging of systems.

Means for Solving the Problems> In order to achieve the above object, the present invention includes an emulation section that has an inference function equivalent to that of the fuzzy chip to be debugged and a function that receives external control; An in-circuit emulator for fuzzy chips that includes a command processing section that accepts command input and outputs processing results, and a debug support section that externally controls the product processing section based on the command input and supports debugging functions. I decided to configure it.

<Operation> When a command input for debugging is accepted by the command processing unit, the debugging support unit externally controls the operation of the emulation unit based on the command input and supports a predetermined debugging function. It is possible to efficiently debug a system in which .

<Embodiment> The drawing shows the overall configuration of an in-circuit emulator for a fuzzy chip according to an embodiment of the present invention.
It consists of an emulation section 1, a debug support section 2, and a command processing section 3.

The emulation unit 1 includes an input processing unit 11 and an inference unit 12.
．． It consists of an output processing section 13, and is usually constructed using an emulation chip. This emulation chip has the same functions as a normal fuzzy chip actually used in a real machine, and also has functions that do not exist in a normal fuzzy chip, such as the ability to notify the internal state to the outside and control inference operations from the outside. It is equipped with functions that make it possible.

The input processing unit 11 has a function of fuzzifying an input signal using a preset membership function.
In a normal fuzzy chip, the membership value obtained by fuzzification cannot be known from the outside, but the input processing section 11 of this emulation chip makes it possible to take out this membership value from the outside.

The inference unit 12 receives input from the input processing unit 11 and determines the IP-
In a normal fuzzy chip, which has a function to perform inference using fuzzy rules expressed in THEN format, intermediate results of inference cannot be known from the outside, but in the inference unit 12 of this emulation chip, intermediate results of inference cannot be known from the outside. This makes it possible to know the status of the inference from the outside, including the details.

The output processing unit 13 has a function of defuzzifying the inference result using a method such as the centroid method.

In a normal fuzzy chip, the inference output before defuzzification cannot be known from the outside, but the output processing section 13 of the emulation chip makes it possible to extract the output value before defuzzification from the outside.

The debug support section 2 is for externally controlling the emulation section 1 to support debugging functions, and includes an input monitoring section 21. Execution control unit 22, execution monitoring unit 23. Output monitoring section 24. Rule reference/update section 25. It includes a trace memory 26.

The input monitoring unit 21 monitors the input status from the input processing unit 11, detects that a preset input condition is met, and notifies the execution control unit 23 to that effect, and also traces the input status. Output to memory 26.

The execution control unit 22 includes the input monitoring unit 21. The inference operation of the inference unit 12 is controlled based on inputs from the execution monitoring unit 23 and the output monitoring unit 24.

The execution monitoring unit 23 monitors the state of inference by the inference unit 12, detects that a preset condition is met, and notifies the execution control unit 22 to that effect, and also controls the trace memory 26.
Output the inference status to.

The output monitoring unit 24 monitors the output status of the output processing unit 13, detects that a preset output condition is met, and notifies the execution IJii 1 unit 23 to that effect, and also records the output status in the trace memory. Output to 26.

The rule reference/update section 25 is for reading fuzzy rules existing on the table of the inference section 12 and setting new fuzzy rules.

The trace memory 26 is connected to the input monitoring section 21. Execution monitoring unit 2
3. It is a large-capacity memory for recording each piece of information per stub from the output monitoring unit 24 over time, and can be used in two ways: one is used as a ring buffer in an infinite cycle, and the other is to store only a fixed number of steps. There is.

The command processing unit 3 has a function as a man-machine interface that receives commands for debugging from the input/output device 4 and outputs processing results to the input/output device 4.

When debugging a system using a fuzzy chip using the in-circuit electric generator configured as described above, the debugger inputs commands for debugging while looking at the display of the input/output device 4. This command input is accepted by the command processing section 3.

The engineering unit 1 has the same inference function as the fuzzy chip to be debugged and performs emulation, but this engineering unit 1 outputs the internal state to the debugging support unit 2 and also The operation will be controlled by the support section 2.

Input monitoring unit 21 of debug support unit 2. Execution monitoring unit 23.
The output monitoring section 24 monitors the state of the engineering section 1, and when the setting conditions are met, it notifies the execution control section 22 of this fact and stores the monitoring status in the trace memory 26.

The execution control unit 22 controls the operation of the emulator 1 from the outside, such as by interrupting or starting the inference operation based on inputs from each unit.

In this way, the fuzzy chip is attached to the emirate part 1.
By controlling and monitoring the inference, it is possible to judge whether the fuzzy rules are good or bad and whether corrections are necessary, and by using the functions of the rule reference/update section 25, efficient debugging of systems using fuzzy chips is possible. It is something that is well done.

<Effects of the Invention> As described above, the present invention provides an emulator processing unit that has an inference function equivalent to that of a fuzzy chip to be debugged, and has a function to receive control from the outside, and also enables debugging based on command input received by the command processing unit. Since the support section externally controls the engineering and electrical processing section to support the debugging function, the debugger can efficiently debug the system using the fuzzy chip while looking at the display, thereby achieving the purpose of the invention. Achieve remarkable effects.

[Brief explanation of drawings]

The drawing is a block diagram showing the configuration of an in-circuit emulator for fuzzy chips according to an embodiment of the present invention. l...Emulation section 2...Debug support section 3...Command processing section

Claims (1)

[Claims] An emulation unit that has an inference function equivalent to that of the fuzzy chip to be debugged and a function that receives external control, and a command that accepts command input for debugging and outputs processing results. An in-circuit emulator for a fuzzy chip, comprising: a processing section; and a debug support section that externally controls the emulation section based on command input to support a debug function.