WO2006030533A1 - 生理的刺激飽和手段を備えた模擬生物装置 - Google Patents
生理的刺激飽和手段を備えた模擬生物装置 Download PDFInfo
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- WO2006030533A1 WO2006030533A1 PCT/JP2004/014051 JP2004014051W WO2006030533A1 WO 2006030533 A1 WO2006030533 A1 WO 2006030533A1 JP 2004014051 W JP2004014051 W JP 2004014051W WO 2006030533 A1 WO2006030533 A1 WO 2006030533A1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/004—Artificial life, i.e. computing arrangements simulating life
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- the present invention relates to a simulated biological apparatus provided with a physiological stimulus saturation means for expressing various operations by computer control, and particularly relates to optimization of sensitivity and response to externally received stimuli.
- the present invention has been proposed in view of the above circumstances, and an object of the present invention is to provide a simulated biological apparatus having a physiological stimulus saturation property that causes a reaction close to that of a living organism. Disclosure of the invention
- the present invention is a simulated biological apparatus that generates a plurality of operations by computer control, and a sensory means for detecting a stimulus received from an environment where the simulated biological apparatus is placed as an external parameter and generating a reaction event, Simulated emotion formation means for deriving internal parameters according to the detection status of external parameters included in the reaction event, external parameters and internal parameters included in the reaction event And an action executing means for embodying the reaction action in a predetermined portion of motion, and the perceptual means has an external parameter statistical level stage indicating the detected stimulus amount.
- the average value and standard deviation value in the effective level range are derived from the number of determinations for each determination, and the one or more external parameters serving as a reference for determining the reaction event using the average value and standard deviation value are determined.
- Physiological stimulus saturation means for deriving and outputting a threshold value T h V, and an external parameter indicating the detected stimulus amount based on the threshold value T hv of the external parameter output from the physiological stimulus saturation means. It consists of a level judgment unit that distributes each.
- the physiological stimulus saturation means uses the level statistical unit for deriving the average value A and the standard deviation value ⁇ in the effective level range from the statistics for each statistical level stage, and the average value ⁇ and the standard deviation value ⁇ .
- a threshold generation unit that derives the threshold T h V of the external parameter from (Equation 1) below may be provided.
- the threshold increase coefficient is the number of determinations that are less than the threshold value Th V given by (Equation 1) when the distribution of the number of determinations at each statistical level stage is a normal distribution. It is a numerical value set so as to be a desired ratio with respect to the number of determinations.
- a simulated biological apparatus that causes a plurality of operations to be expressed by control by a computer, each of which receives a stimulus received from the environment where the simulated biological apparatus is placed as an external parameter and generates a reaction event; and the reaction event
- the simulated emotion forming means for deriving the internal parameters according to the detection status of the external parameters included in ⁇ and the number of continuous detections of the reaction event output from the perception means are measured, and the reaction event including the number of continuous detections is Force output to action execution means
- a motion execution means for determining a reaction operation for a combination of the number of consecutive detections, an external parameter included in the reaction event, and an internal parameter, and embodying the reaction operation in a motion of a predetermined part. It may be a simulated biological device.
- the external parameter is a symbol or quantification of a parameter output by the perceptual means (a type or amount of a stimulus detected from the outside via the perceptual means, or information on a detected sensor, etc.). Calculated by using parameters output by the sensory means inside the simulated biological device, such as other simulated emotion forming means, event generating means, and action executing means, or certain rules.
- the parameters generated based on the above are internal parameters.
- the effective level range is a numerical range of external parameters scheduled to be used for controlling the simulated biological apparatus.
- the threshold value T h V of the external parameter serving as a reference for determining the reaction event can be varied based on the determination frequency of the sensor output that is an external parameter and the statistics at each statistical level stage.
- physiological stimulus saturation can be expressed, such as being insensitive to repeated stimuli, getting used to it, and getting tired.
- more advanced communication between humans and simulated biological devices can be achieved.
- FIG. 1 is a functional block diagram showing an example of perception means in a simulated biological apparatus according to the present invention.
- FIG. 2 is a functional block diagram showing an example of a simulated biological apparatus according to the present invention.
- FIG. 3 is a diagram relating to the first stimulus saturation means in the simulated biological apparatus according to the present invention
- FIG. 3 (A) is a graph showing an example of the threshold distribution used for level determination.
- B) is a graph showing the change in the detection frequency coefficient H over time.
- FIG. 4 is a functional block diagram showing an example of the functional configuration of the second stimulus saturation means in the simulated biological apparatus according to the present invention, together with the action execution means, the database, and the simulated emotion forming means.
- FIG. 5 is a functional block diagram showing an example of simulated emotion forming means in the simulated biological apparatus according to the present invention.
- the example is a so-called robot system that simulates a plurality of operations under the control of a computer system.
- the simulated biological device includes a plurality of sensors 13 and a plurality of sensors as shown in FIG. It comprises a computer, a computer comprising a switch, a memory and a CPU for controlling the sensor actuator, and is housed in a casing having a predetermined outer shape and movable structure.
- the perception means 1 for generating an event (reaction event) for detecting a stimulus received by the simulated biological device as an external parameter on the memory and expressing a reaction action, and Even if an external parameter due to a stimulus is not detected, an event (autonomous event) for generating an autonomous operation is generated spontaneously, and an event of the operation expressed from either the reaction event or the autonomous event is selected.
- an event reaction event
- autonomous event an event for generating an autonomous operation is generated spontaneously, and an event of the operation expressed from either the reaction event or the autonomous event is selected.
- Action determining means 4 simulated emotion forming means 2 for deriving internal parameters for expressing simulated emotions according to the detection status of external parameters included in the reaction event, external parameters and internal parameters included in the reaction event (Including those included in autonomous vehicles, the same applies hereinafter)
- Database 3 in which the number of operation pattern assignments is stored, and external and internal parameters included in the reaction event by referring to the database 3 in response to the reaction event or autonomous event (hereinafter referred to as an event)
- the action execution means 5 for realizing the reaction action or the autonomous action in the movement of a predetermined part upon receiving the event, and the timer 17 for outputting time information. (See Fig. 2).
- the sensory means 1 includes a sensor 13 that detects sound, light, infrared, heat, acceleration, or pressure built in the simulated biological device, and performs an arithmetic process on the output of the sensor 13 to perform external processing. And the sensor processing unit 14 that outputs the response event including the above, and the simulated emotion forming unit 2 uses the external parameter obtained from the perceptual unit 1 to derive one emotion parameter of the internal parameter.
- the emotion parameter is a combination of numerical data composed of a pleasant / unpleasant parameter Kkh and an exciting / sedative parameter Kkt.
- the simulated emotion forming means 2 detects external parameters of various reaction parameters, and the pleasant / unpleasant parameter is detected.
- the numerical value of the parameter Kkh and the excitement and calmness parameter Kkt are increased or decreased as appropriate (for example, see Table 1).
- the emotion of the simulated biological device is expressed in a simulated manner.
- the simulated emotion changes under certain conditions each time a stimulus is received.
- motion propagation parameters (repetition number increase / decrease parameter, steady position parameter, motion hold time increase / decrease parameter, speed parameter, (Or amplitude increase / decrease parameters, etc.) are output and given to the following action execution means 5.
- Table 1
- the motion determining means 4 generates the autonomous event including internal parameters (autonomous parameters) relating to autonomous motions that appear spontaneously even when no externally detectable stimulus is detected and no external parameters are detected.
- Autonomous action generating unit 20 to be received and the reaction event and the autonomous event output from the perceptual means 1 are received and the information contained in them is analyzed, and the later-described event event priority information is obtained.
- the acceptance / rejection decision unit 2 1 outputs either a reaction event or an autonomous event determined according to the priority based on the priority (see Fig. 2).
- the event includes event segment information for distinguishing the autonomous event from the reaction event, and event priority information indicating the priority order of various events, and, in the case of the reaction event, as the external parameter
- Event classification information that identifies the sensor or sensors that detected a stimulus from the outside world 1 3 (acceleration sensor, pressure sensor, etc.) and event intensity information that represents the amount of stimulus detected by the sensor or sensors. I have.
- a stimulus category such as “stroke”, “tap”, “strongly press”, etc., is given depending on the amount of the stimulus. It becomes.
- the autonomous parameter is included as the event classification information.
- the operation execution means 5 selects various action patterns according to external parameters and internal parameters included in various events by referring to the database 3 in response to the event and various characters 22 consisting of a motor, a speaker, etc. And a control amount calculation unit for deriving the control parameters of the operation element relating to the operation pattern selected by the operation selection unit 12 based on the operation propagation parameter given from the simulated emotion forming means 2 2 and an actuator controller 24 that receives the control parameters and adjusts control signals such as drive energy to the various actuators 22 (see FIGS. 2 and 4).
- the sensor processing unit 14 includes a plurality of input interface units 27 that detect the external parameters from outputs of the plurality of sensors 13 that detect various stimuli, and each input interface unit from the sensor 13 2 Event that generates a reaction event assigned to an external parameter or combination obtained through 7
- a stimulus priority determination unit 26 that determines a reaction event to be adopted by the operation execution unit 5 when determining the reaction operation is provided. I have.
- an average value A and a standard deviation value ⁇ in the effective level range are derived from the number of determinations for each statistical level step of the external parameter indicating the amount of stimulation detected from the sensor 13 and Physiological stimulus saturation means (hereinafter referred to as the first) that derives and outputs a threshold value Th V of one or more of the external parameters serving as a reference when determining the reaction event using the average value A and the standard deviation value ⁇ .
- Physiological stimulus saturation means (hereinafter referred to as the first) that derives and outputs a threshold value Th V of one or more of the external parameters serving as a reference when determining the reaction event using the average value A and the standard deviation value ⁇ .
- Stimulus saturation means 9 Stimulus saturation means 9)
- the first stimulus saturation means 9 includes a level statistics unit 15 for deriving the average value A and the standard deviation value ⁇ in the effective level range from the statistics for each statistical level stage, and the average value ⁇ and standard There is provided a threshold value generator 8 that uses the deviation value ⁇ to derive the threshold value T h V of the external parameter from the following (Equation 1) (see FIGS. 1 and 2).
- ⁇ h ⁇ ⁇ + ⁇ ⁇ : Threshold pull-up coefficient (Equation 1)
- the first stimulus saturation means 9 will be described based on an example of detecting “when stroked” and “when pressed strongly” by the sensory means 1 using the pressure sensor 13.
- the peak voltage detection unit 16 that extracts the peak voltage V ⁇ that is the output peak value of the sensor 13 is provided in the preceding stage of the first stimulus saturation means 9.
- the determination (1) processing by the first stimulus saturation means 9 is performed using the peak voltage V ⁇ .
- the first stimulus saturation means 9 includes a counter 7 for measuring the number of determinations by the level determination unit 6 for each event generation level stage, and an average value ⁇ and a standard deviation value of the peak voltage V p as the external parameter.
- Level statistics section for deriving ⁇ 1 5 and the above
- the threshold value V th is added to the value obtained by adding the threshold value increase coefficient calculated by using (Equation 1) from the threshold value increase coefficient based on the detection frequency coefficient H described later and the standard deviation value to the average value A of the external parameter.
- an analog voltage signal V is output from the sensor 13 and input to the peak voltage detection unit 16, and the peak voltage V of the output for the stimulus at that time is output as the signal of the peak voltage detection unit. It is held at the terminal or as data in the memory of the peak voltage detector 16.
- the held peak voltage V p is inputted to the level determination unit 6 and is updated at any time by the threshold generation unit 8 (in this example, three thresholds of VL (fixed value), VI, and V 2).
- the threshold generation unit 8 in this example, three thresholds of VL (fixed value), VI, and V 2.
- the counter 7 in this example measures the number of determinations of both “when stroked” and “when pressed hard” together, and the level statistics section excludes bands not to be detected below the VL.
- the band from 0.8 [V] to 2.6 [V] is divided into 9 statistical level steps for each ⁇ 0.2 V as shown in Table 4, and the number of determinations for each band is measured. .
- the sum of all the bands is obtained by multiplying the intermediate value of each band by the number of times of each determination, and the average value A is derived by dividing the sum by the sum of the number of detections of each band.
- the standard deviation value ⁇ is derived for the entire band of the level range.
- the threshold value generator 8 calculates the threshold values V 1 and V 2 from the average value A and the standard deviation value ⁇ as follows (Equation 2) and (Equation 3). )
- V 1 ⁇ + ⁇ 1 X ⁇ (Equation 2)
- V 2 ⁇ + ⁇ 2 x ⁇ (Equation 3)
- the value is set to a value sufficiently smaller than the threshold value V 2, and the relative stimulus amount difference (detection voltage difference) detected when “stroked” and “pressed strongly” And the appropriate setting considering the balance of the occurrence probability of each event.
- the number of threshold values T h V may be changed as appropriate according to the event to be detected.
- V 2 1.672814 [V] + 1.65x 0.252685 [V]
- threshold value raising coefficients for obtaining the respective threshold values T h V are provided.
- it is calculated from the following (Equation 4) and (Equation 5) in order to include the effects of both judgments.
- H is a detection frequency coefficient
- the initial value is 0 as the lower limit
- the upper limit is 1.
- the detection frequency coefficient H is updated according to the following (Equation 6) every time a band “when pressed hard” and a band “when stroked” is detected.
- Hm is a value immediately before H n and is a detection frequency coefficient before the final detection is performed.
- a is an arbitrary coefficient that determines how the detection frequency coefficient H increases, and is set to 2 in this example.
- the detection frequency coefficient H is calculated from the final distribution corresponding to these reaction events.
- the time-dependent reduction function given to the threshold generation unit 8 performs arithmetic processing over time so as to decrease at every constant time t measured based on the timer 17 as shown in FIG. 3 (B).
- the condition is according to the following (Equation 7).
- H (0) is the detection frequency coefficient H at the final allocation time
- H (t) is the detection frequency coefficient H after the elapse of time t.
- 10 seconds is selected as the predetermined time t.
- G is an arbitrary factor that determines how much H decreases, and is 0 or more and less than 1. In this example, 0.5 is selected.
- the threshold value T h V of the level determination unit 6 is adjusted.
- the band width of “when pressed hard” or the band of “when stroked” is changed according to the frequency with which the stimulus is applied. Therefore, different reaction behaviors can be developed depending on the frequency of the stimulation. If such a technique is used, the sensitivity to the same stimulus will gradually decrease when the same stimulus continues, such as stroking or pressing hard, and conversely, if the stimulus is far away, It is possible to realize a physiological phenomenon that the sensitivity to is gradually restored.
- the second stimulation saturation means 1 1 detects the reaction event that has passed through the action determination means 4, and the action pattern of the reaction action for the same kind of reaction event according to the number of continuous inputs for the reaction event having the same content. It sends out a new reaction event (hereinafter referred to as “substitute event”) that can change the assembly of the machine, and encourages the action execution means 5 to change the action pattern.
- substitute event a new reaction event
- the second stimulus saturation means 1 1 in the example measures the number of consecutive detections of the reaction event having the same content detected from the perception means 1 through the action determination means 4, and the alternative event including the number of continuous detections is measured.
- the operation execution means 5 for realizing the reaction operation in the motion of a predetermined part is provided.
- the counter 10 counts the measured value every time a reaction event with a different content is output.
- the operation selecting unit 12 of the operation executing means 5 has a function of selecting an operation pattern corresponding to various parameters included in the event, but has a configuration as the second stimulus saturation means 11 1.
- the external parameters included in the alternative event affect the selection process of the operation pattern by the operation selection unit 12 as an assembly change parameter, for example, depending on the number of times of continuous detection.
- an alternative operation pattern in which any step is skipped from the normal operation pattern registered in the database 3 is sent to the actuator controller 24.
- the basic operation pattern shown in Table 5 below is given to the actuator controller 24 of the action execution means 5 for the reaction event generated by the stimulus that the front fin is stroked.
- step 3 of step No. step 3 of step No.
- step 4 (shake the head up and down) will be sent to the actuator controller 24 of the action execution means, and even though it is a reaction action with the same reaction event, The destination and contents of the control signal sent from the actuator controller 24 will be different.
- the mouth pot which is a simulated biological device
- the mouth pot which is a simulated biological device
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JP2003233300A (ja) * | 2001-10-06 | 2003-08-22 | Samsung Electronics Co Ltd | 人体の神経系に基づく情緒合成装置及び方法 |
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Patent Citations (8)
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JPH07104835A (ja) * | 1993-10-07 | 1995-04-21 | Hitachi Ltd | 移動式点検ロボットシステムの制御,解析,操作装置 |
JPH07104778A (ja) * | 1993-10-07 | 1995-04-21 | Fuji Xerox Co Ltd | 感情表出装置 |
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