JP3329482B2 - Driving curve drawing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for calculating the operating time between stations and for smoothly operating trains in the railway transportation business in consideration of various factors such as economy and passenger comfort. The present invention relates to an apparatus for drawing an operation curve diagram used for performing the operation, and more particularly to drawing a speed curve as an element of the operation curve diagram.

[0002]

2. Description of the Related Art Conventionally, a speed curve as an element of an operation curve diagram is created as follows. First, the output of the vehicle,
A driving performance curve is created by a physical formula derived from basic data such as acceleration / deceleration and running resistance.

[0003] Next, along the distance axis of the operation curve diagram paper with the vertical axis as the speed and time axis and the horizontal axis as the distance axis, each point between the target bases (for example, between the A station and the B station). Enter the track conditions, etc. The track condition is, for example, a slope, a curvature of a curve, a position of a point, and the like.

[0004] By comparing the line conditions and the like written on the distance axis with the operating conditions such as the notch step and the speed limit, a subsection curve selected from the above-mentioned operating performance curves is shown on the operating curve diagram paper in relation to both. Post to This operation is repeated to draw a speed curve representing the correlation between the distance from the starting point A station and the train speed at the point of the distance as a continuation of the above-described sub-section curves, up to the destination B station. If the speed curve continues from the starting point A station to the destination B station, the speed curve between the A station and the B station is completed.

Further, after completing the speed curve, a time curve is drawn by plotting a correlation between the distance from the station A and the time required to reach the point at the distance based on the speed curve.
Thus, the required time between the stations A and B can be obtained. The speed curve and the time curve obtained in this way are drawn on a single sheet of an operation curve diagram, and the distance axis is drawn in common to form an operation curve diagram. One set of a speed curve and a time curve that commonly draws the distance axis is an operation curve.

[0006]

However, since all the operations for creating the above-mentioned operation curves are performed manually by a skilled person, (a) the operation is inefficient, and (b) many operation curves are created. It takes a lot of time and labor to create and compare. (C) It takes a lot of time and labor to convert the data represented as operating curves into data for creating charts and reports in other formats. Required.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to solve the above-mentioned problems, and to efficiently perform a driving curve creation task. It is possible to prepare and compare a large number of driving curves with a small amount of time and manually. It is an object of the present invention to provide a driving curve drawing device capable of converting data represented as a driving curve into data for creating charts and reports of other formats without requiring time and labor.

[0008]

In order to achieve the above object, the present invention has the following structure as means for solving the problems. That is, basic data on railway lines and vehicles
Basic data according to the designated line section and train organization.
Function to automatically create operating curves using data
Curve drawing device having a function of correcting a broken running curve
A is, data storing means for storing the basic data
When a display means for displaying the operation curves, automatic operating curve
Means for selecting the generating function or modified function, the operation songs
When correcting the line, select the desired coordinate point on the operation curve diagram
And designates the coordinate point together with acceleration / deceleration conditions from the coordinate point.
Indicating means for performing the operation , and
From the data storage means in response to the instruction from the stage.
Extracting the basic data, the basic data and the
Speed from the indicated coordinate point according to the specified acceleration / deceleration conditions.
It calculates the degree curve, characterized in that a display control means for displaying on the operation curves of the display means (data
Correlation of storage means, display means, instruction means and display control means
The relationship is shown in FIG. ).

[0009]

[Function] This operation curve drawing device automatically creates an operation curve.
And a function to modify the created operating curve
However, when the operation curve is corrected, the operation indicated by the display means
A desired coordinate point on the curve diagram is selected by the indicating means, and
Acceleration / deceleration conditions from the selected coordinate point
Is given to the display control means, the display control means
Basic data from data storage means in response to instructions from the column
Extract and extract the basic data and specified acceleration / deceleration conditions
A speed curve from the designated coordinate point is calculated.

Then, the display control means displays the calculated speed curve on the operation curve diagram of the display means.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the operating curve drawing device of the present invention will be described below. As shown in FIG. 2, the operating curve drawing device of the present embodiment includes an electronic control device 1, a mouse 3,
It comprises a keyboard 5, a floppy disk driver 7, an external storage device 9, a CRT 11, and a printer 13.

The electronic control unit 1 includes a well-known CPU 1a, R
The OM 1b, the RAM 1c, and the input / output circuit 1d are connected by a bidirectional bus 1e, and are configured as an arithmetic and logic operation circuit. The electronic control unit 1 has an input / output circuit 1d
A mouse 3, a keyboard 5, a floppy disk driver 7, an external storage device 9, a CRT 11, and a printer 13 are connected. Programs for performing various processes according to a predetermined procedure are stored in the ROM 1b in advance. The external storage device 9 stores train performance data, basic data including traction constant data as part of the train performance data, geographic data, facility data, and the like.

The train performance data includes a vehicle type representing the type of an electric locomotive, a diesel locomotive, a train, and a diesel vehicle, and a tensile force characteristic (VT) representing the relationship between the tensile force and speed at each notch of the motor vehicle. Curve), the value of a unit constituted by a plurality of electric motors or engines, the coefficient of adhesion, which is the coefficient of friction between the wheels and rails of a locomotive, the weight of a locomotive, and data expressing the running resistance of a locomotive in an approximate expression,
It includes traction constant data and the like.

The traction constant data indicates how many trains are used and how the train is formed as a whole. A plurality (up to 10) of one type of powered vehicle is provided. Part of the performance data. The traction constant data includes the running resistance of the entire train set, the number of units of the motor vehicle as the basis for calculating the pulling force of the entire train set, the traction weight representing the weight of the passenger car or freight car pulled by the locomotive, and the train Alternatively, it includes the number and weight of the diesel vehicles, the total train length, the curve resistance representing the running resistance in the curved portion, and the like.

The geographical data is data relating to geographical conditions, and includes data such as the gradient of a track and the curvature of a curve. The facility data is data relating to the track and various facilities attached thereto, and includes data on stations, signals, railroad crossings, points, and the like. Next, the operation of this device will be described.

The CPU 1a of the electronic control unit 1 has a mouse 3
Alternatively, in response to a start-up instruction input via the keyboard 5, the main routine shown in FIG. 3 is executed. The processing of the main routine is first started by selecting a function. Specifically, a menu is displayed on the display screen 15 and a function selection is awaited (step 100). The function selected is
Basic data input, basic data output, operation performance curve creation,
There are running curve creation, running curve output and interval curve output. When one of the functions is selected, the process proceeds to a corresponding processing step.

Hereinafter, each function will be described. When the basic data input is selected, the basic data stored in the external storage device 9 is modified or added. The user selects and specifies a data type to be corrected or added from the basic data via the keyboard 5 or the mouse 3 and inputs data (step 200). CPU 1a is an external storage device 9
Is stored in the corresponding data storage portion of the external storage device 9 (step 210).

When the operating performance curve is selected, reading of basic data is executed (step 300). continue,
An instruction of a driving performance curve to be created is input via the keyboard 5 or the mouse 3 (step 310). The driving performance curve is a curve obtained by substituting numerical values based on basic data into various physical expressions, and there are three types of load curve, acceleration force curve, and speed-distance curve.

The load curve is a curve representing the power performance of an electric locomotive and a diesel locomotive, and is a curve showing the towable weight at a certain speed for each slope and notch. The acceleration force curve is a curve representing the power performance of a train and a diesel vehicle, and is a curve showing the acceleration force per unit weight at a certain speed for each gradient and notch.

The speed-distance curve is a curve showing the running state of the train for each notch and for each grade, and is a curve showing the change in travel distance and speed when the train travels on a certain slope at a certain notch. is there. A curve is created according to the instruction of the curve type (step 320).

Each of the above curves is calculated by the following physical formula. (1) The load curve is created by obtaining the traction load W (t) at the speed V (km / h). The calculation formula is

[0022]

(Equation 1)

## EQU1 ## Here, T: locomotive pulling force (kg) W _1: locomotive weight (t) r: specific starting resistance or specific running resistance of passengers and goods vehicles (kg /
t) r ₁ : Specific starting resistance or specific running resistance (kg /
t) r _g : Specific gradient resistance (kg / t) = gradient (0/00).

As these numerical values, predetermined values are selected from train performance data and traction constant data using parameters such as locomotive type (electric or diesel), speed, number of units, notches and the like, and used. A program for selecting numerical values is stored in the ROM 1b in advance, and the CPU 1
As for a, a numerical value is selected from the above data by this program, and a load curve is created by equation (1).

(2) The acceleration force curve is represented by the velocity V (km / h)
At the acceleration force f (kg / t). The calculation formula is

[0026]

(Equation 2)

## EQU1 ## Here, T: motor vehicle tensile force (kg) R: train starting resistance or running resistance (kg) W _a of: representing the train total weight (t), including weight due to ride personnel.

These values are selected from train performance data and traction constant data using parameters such as the type of motor vehicle (train or diesel vehicle), speed, number of units, train weight, capacity, and riding efficiency as parameters. used. A program for selecting a numerical value is stored in the ROM 1b in advance, and the CPU 1a selects a numerical value from the data by using the program, and creates an acceleration force curve by the equation (2).

(3) The speed-distance curve is created by calculating the speed V (km / h) and the distance S (m) at the time t (second). The calculation formula is

[0030]

(Equation 3)

[0031]

(Equation 4)

Is as follows. Here, T: motor vehicle tension (kg) R: train starting resistance or running resistance (kg) G of: grade resistance (kg) W _a: train total weight including the weight by riding personnel (t) gamma: Inertia factor Represents

These figures are based on the type of motor vehicle (electric locomotive, diesel locomotive, train or diesel),
A predetermined value is selected and used from the train performance data and the traction constant data using the speed, the number of units, the locomotive weight, the train's own weight, the number of passengers, the riding efficiency, and the like as parameters. A program for selecting a numerical value is stored in the ROM 1b in advance, and the CPU 1a selects a numerical value from the data by using the program, and creates a speed-distance curve using the equations (3) and (4).

When any of the above-described driving performance curves is created, the data is stored in the external storage device 9 (step 330). Examples of each curve are shown in FIGS. Although not shown, each curve diagram also displays basic data such as a type and a model of a motor vehicle, a formation, a train weight, a gradient, and a notch, for which the curve is created.

It should be noted that, in creating the operating performance curve, in addition to creating each curve as described above, it is also possible to instruct and execute all three curves. After the basic data described above is input to the external storage device 9 and the operation performance curve is created, the operation curve is created based on these. Therefore, they need to be performed prior to running curve creation. However,
Once done, unless data is added or modified,
Create again-no memory required.

The case where the operating curve is selected after the basic data is input to the external storage device 9 and the operating performance curve is created will be described with reference to the operating curve creating routine shown in FIG. When an operation curve is selected, the operation proceeds to an operation curve creation routine (step 400). In this routine, the automatic creation of the operation curve and / or its correction are executed.

In the operation curve creation routine, first, in the function selection step, automatic creation of the operation curve or correction of the operation curve is selected (step 410). When the automatic creation of the operation curve is selected, an instruction is given to the route and the section and the train formation for which the operation curve is to be created (step 420). This instruction is made via the keyboard 5 or the mouse 3. For example, it instructs down the Tokaido Main Line as a route and instructs Obu-Kanayama as a section. The train formation is specified and instructed by the type of the power train, the formation, the number of units, and the like. For example, motor vehicle type 221, formation 2M2T, number of units 1
And so on.

When a route, a section, and a train set are instructed, basic data corresponding to these is read from the external storage device 9 (step 430). When the reading of the data is completed, an operation curve is automatically created based on the data (step 440).

In the creation of the driving curve, powering, coasting and deceleration at each notch are appropriately selected within the range of various restrictions and conditions based on geographical data and the like, and the relationship between the distance and the speed and the distance and the time are selected. And the required time between stations is calculated. The various restrictions and conditions include, for example, a downward slope restriction, a curve restriction, a branch switch restriction, a special restriction, a traffic light restriction, and a maximum speed. The speed limit value set under these limits and conditions is the allowable speed under the limits and conditions.

Here, each of the exemplified restrictions will be described. The downward slope limit is for setting a speed limit when traveling on a downward slope, and is read as basic data from the external storage device 9 and a speed limit value is set by a downward slope limit table stored in the RAM 1c. The downgrade limit table includes downgrade data obtained by correcting the actual amount of slope between stations, downgrade limit ranks set according to train performance and line sections, and speed limit values corresponding thereto. The downgrade limit table is stored in the RAM 1c as a table map. When a downgrade limit rank corresponding to a train and a line segment for which an operation curve is to be created is selected at the time of creating an operation curve, the rank and the downgrade limit are selected. Based on the data, the speed limit value of the downhill section is set. FIG. 7 shows an example of the downward slope restriction table.

The generation of the downward gradient data is performed as follows. For example, when the actual gradient between the A station and the B station is as shown in FIG. 8, first, gradient data is created based on the actual gradient amount for each gradient section. The gradient data includes all data of the upward gradient, the downward gradient, and no gradient (zero gradient).

Next, an average gradient for each 1000 m is calculated with the change point of the gradient as a start point or an end point. In FIG. 8, the average gradient of the section 1000 m from the station A, the section 1000 m from the point P, the section 1000 m from the point Q, and the section 1000 m from the point S toward the station A are calculated. Since the point 1000 m from the point R deviates from between the stations A and B, the 1000 m section starting or ending at the point R is excluded.
The maximum value of the average slope calculated every 1000 m thus calculated is defined as a standard down slope between the stations. In the example of FIG. 8, -6.5 in a section of 1000 m from Station A is set as the standard down slope.

However, the distance between station A and station B is 1000 m
Is less than the average gradient between the station A and the station B, the average gradient is defined as a standard downward gradient. In a section where the actual gradient amount is larger than the standard downward gradient, the actual gradient amount is replaced with the standard downward gradient to be the downward gradient data. The downward slope data is calculated in advance for each station and stored in the external storage device 9 as described above.

The curve limit is for setting a speed limit when traveling on a curved portion, and is read as basic data from the external storage device 9 and a speed limit value is set by a curve limit table stored in the RAM 1c. The curve limit table includes radius data, curve ranks set by train performance and line sections, and corresponding speed limit values. The curve restriction table is stored in the RAM 1c as a table map. When a curve restriction rank corresponding to a train and a line segment for which the operation curve is to be created is selected at the time of creating the operation curve, the curve and the radius data are used. , The speed limit value of the curve section is set.
FIG. 9 shows an example of the curve restriction table.

Since the radius data is composed of values divided at a predetermined stage, the actual radius value is replaced with a corresponding value of the radius data to set a speed limit value. For example,
Assuming that the actual radius is 4800 m, 4600 which is the value closest to 4800 within the range not exceeding 4800 is selected from the radius data. The speed limit value of the curve limit table is selected based on the radius data value and the curve rank thus selected.

The branching limit sets a speed limit value when passing through the branching unit. The branching device data for setting the speed limit value is read from the external storage device 9 as basic data,
It is stored in the RAM 1c. Based on the branching device data, a speed limit value is selected according to a train type such as an express train or an ordinary train when passing straight through the branching machine or when branching.

The traffic light limit is a speed limit value when the vehicle travels about a kilometer of a traffic light. When a speed limit value is input to data relating to a certain traffic signal in the traffic signal data, this is set as the speed limit value of the traffic signal.
The traffic light data is read as basic data from the external storage device 9 and stored in the RAM 1c.

The special restriction is a general term for restrictions other than the above-described downward slope restriction, curve restriction, branching device restriction, and traffic light restriction.
For example, there are a restriction in a curved portion where the restriction by the curve restriction table cannot be applied due to a shortage of a cant or a lack of a relaxation curve, a restriction in soft ground, a speed restriction in a falling rock caution driving section, and the like. Such restrictions are stored in the external storage device 9 as special restriction data in the basic data. The special restriction data is read as a part of the basic data and stored in the RAM 1c.

The maximum speed is a speed limit value set according to the train type and the like for a certain section demarcated by geographical conditions or the like, and is stored as basic data in the external storage device 9 as the maximum speed data. I have. The maximum speed data is read as a part of the basic data and stored in the RAM 1c.

The actual running of the train is within the range not exceeding the allowable speed under the various restrictions and conditions as described above.
This is done in accordance with a driving standard based on a driving curve diagram that is formulated in consideration of economy, riding comfort, and the like. The creation of the operation curve assuming the actual running of the train is performed as follows.

First, a basic calculation formula is shown. The operation curves at the time of power running and at the time of coasting show the speed V at the time t (second).
(Km / h) and distance S (m) are calculated by the following equation.

[0052]

(Equation 5)

[0053]

(Equation 6)

Is as follows. Here, T: motor vehicle tension (kg) R: train starting resistance or running resistance (kg) G of: grade resistance (kg) R _C: curve resistance (kg) R _t: marrow canal resistance (kg) W _a : Gross train weight including weight by passengers (t) γ: Inertia coefficient.

The driving curve at the time of braking is

[0056]

(Equation 7)

[0057]

(Equation 8)

Then, the speed V (km) at time t (second)
/ H) and the distance S (m) are calculated by the following equation.
Here, t ₀ : reference time (second) V ₀ : speed at time t ₀ (km / h) S ₀ : distance at time t ₀ (m) D: brake deceleration (km / h / second) Represent.

These values used in the driving curve creation equations (5) to (8) during powering, coasting, and braking are based on the type of motor vehicle (electric locomotive, diesel locomotive, electric train or diesel car). ), Speed, the number of units, the locomotive weight, the train's own weight, the number of passengers, the riding efficiency, and the like are used as parameters to select and use predetermined values from the train performance data and the traction constant data. A program for selecting numerical values is stored in the ROM 1b in advance, and
In step 1a, a numerical value is selected from the above data by this program, and an operation curve is created based on equations (5) to (8) and the various restrictions and conditions assuming actual train running.

The automatically created operation curve is displayed on the CRT 11 (step 450). A display example is shown in FIG. The horizontal axis is a distance axis, and numerals such as 350 indicate the route distance from the starting point of the route, for example, Tokyo Station. The vertical axis scales the speed (Km / h) and the time (second). 0,
.., 130 are speed scales, 0, 60, 12
0 ... 600 is a time scale. Although not shown in FIG. 10, the positions and sections of various limiting conditions such as curves, signals, and gradients, and the numerical values such as the radius of the curve and the gradient value are shown in the lower and upper portions of the figure along the distance axis direction. It can be displayed, and the route distance, speed, notch, and the like at a certain point can be displayed.

In displaying the operation curve, the speed curve and the time curve are usually displayed simultaneously, but it is possible to display only the speed curve. Next, it is instructed whether or not the operation curve needs to be corrected (step 460). If there is no need for correction, the created operating curve data is stored in the external storage device 9 (step 470). When the storage process is executed, the process exits to “Return” and ends the present subroutine.

If correction is required, the operation proceeds to an operation curve correction routine (step 500). FIG. 5 shows an operation curve correction routine. In the operation curve correction processing, the target to be directly corrected is the speed curve among the two curves constituting the operation curve, and therefore only the curve portion is shown in FIG. FIG. 12 shows that the speed limit value is V between the points of distances L _{1 and} L _2.
This is an example when there is a limit of ₁ . In addition, FIG. 10 shows a display example of the automatically created operation curve, and FIG. 11 shows a display example of the operation curve obtained by correcting the operation curve. A description will be given with reference to FIG.

The curve l ₀ is an automatically created speed curve. The running of the train, which is assumed in this curve l ₀ is as follows. Starting from a distance of 0 points, the vehicle runs slowly and accelerates gradually (part a). At L ₃ points in the restriction section is reduced by the brake has been reached the speed limit value V ₁ (b section), L ₄
Powering starts again at the point and accelerates (section c). L ₅
At the point, is reduced by the brake has been reached the speed limit value V ₁ again (d unit). Then, the power running from the L ₂ point (e
Part).

[0064] For example, in the running of the train, which was assumed in this curve l _0, in terms of energy efficiency and ride comfort for a repetition of acceleration and deceleration, there is a case in which correction is required. The operation curve correction processing is mainly performed in such a case.
In the correction process, the mouse 3 or the keyboard 5 is operated to select and designate a coordinate point on the display screen of the CRT 11 with a cursor (step 510). The coordinate point selected here does not necessarily have to be on the curve ₁₀ .

Subsequently, acceleration / deceleration conditions for a speed curve to be created starting from the selected coordinate point are inputted (step 5).
20). At the same time, it is possible to instruct the extension direction of the curve to be, for example, a direction in which the distance increases from the starting point along the distance axis or a direction in which the distance decreases. It is also possible to set such that the direction of the distance is large unless otherwise specified.

Electronic control with input of coordinate points and acceleration / deceleration conditions
The device 1 generates a speed curve in a direction according to an instruction or a setting.
Calculate and instruct CRT 11 to display (Step 5
30). In this way, for example, starting at the coordinate point x,
If you enter the appropriate acceleration conditions, you can draw the curve of the f section
You. In this case, the speed limit value is V₁ Without reaching the distance
Release L₁ ~ L_Two Between the points
Ride comfort is improved because there is no repeated deceleration
Become. Or, from the coordinate point y as the starting point, in the direction of a small distance
Can also draw a curve g section. In this case the seat
Curve l at reference point z ₀ And the coordinate point z is defined as the starting point
This is similar to the case where a curve is drawn in the direction of the large distance. Was
However, if the acceleration / deceleration conditions are different, the drawn curves will be different.
It becomes

When a new curve, f or g in the above example, is newly drawn on the CRT 11, an instruction is given to delete unnecessary portions in order to make one continuous curve (step 54).
0). In order to perform the deletion, the mouse 3 or the keyboard 5 is operated to select and indicate a coordinate point or one section of a curve on the display screen of the CRT 11 with a cursor . This selection and deletion can be set variously. For example, when the part a is selected, it is set to delete all of the parts b, c, d, and e connected to the part a. Settings such as deletion can be made.

If additional correction is required, step 510
Returning to (Step 550), the above Steps 510 to 540 are repeated. If the correction is completed, a time curve based on the speed curve after the correction is created, and the time curve is stored in the external storage device 9 as the combined operation curve (step 5).
60). Then, the process returns to the main routine.

Next, the case where the function is selected for the correction in the operation curve creation routine will be described. First, in the function selection step, correction of the operation curve is selected (step 410).

Subsequently, an operation curve to be corrected is specified (step 480). The operation curve is specified by inputting a target line section, a target train formation, and the like, and specifying a target operation curve. It is convenient to specify the target operating curve by reading and displaying a line section list, a train organization list, and the like from the basic data, and selecting and instructing the display screen of the CRT 11 with a cursor. Alternatively, a method may be used in which a line section, a train set, or the like is coded, and the code is input.

Following the specification of the operation curve, the operation curve data is read from the external storage device 9 and displayed (step 4).
90). Next, the routine proceeds to an operation curve correction routine (step 500). The processing in this routine is as described above.

Next, the function of creating a time interval curve will be described. The time interval curve is a graph in which the positions of the leading and trailing ends of a train when a certain train actually travels in a line section are represented by a graph with a horizontal axis representing a time axis and a vertical axis representing a distance axis. FIG.
FIG. 3 shows an example. The distance axis shows the station and the closed section together with the distance, and is used to calculate the time interval between the preceding train and the succeeding train. 354, 353, etc. described on the distance axis in FIG. 13 are route distances (km) from the starting point.
, And 5 and 10 on the time axis indicate time in units of minutes.

When the creation of the interval curve is selected, first, an operation curve on which the creation of the interval curve is based is specified (step 60).
0). The operation curve is specified by inputting a target line section, a target train formation, and the like, and specifying a target operation curve. The target operating curve is specified by reading a list of line sections, a list of train sets, etc. from basic data and displaying it.
It is convenient if the setting is made by selecting and instructing with the cursor on the display screen of T11. Alternatively, a method may be used in which a line section, a train set, or the like is coded, and the code is input.

Following the specification of the operation curve, the operation curve data is read from the external storage device 9 (step 61).
0). Subsequently, based on the time curve data of the operation curve data, time interval curve data is created according to the total train length (step 620). The created time interval curve data is stored in the external storage device 9 (step 630).

When printing is selected as a function, the process proceeds to a printing routine (step 700). The printing routine is shown in FIG. The data to be printed includes data stored in the external storage device 9 such as basic data, operation performance curve data, operation curve data, interval curve data, and the RAM 1c.
Is the data stored in. In addition, these data can be converted into train operation auxiliary data for assisting train operation, and can be printed as various forms.

In the printing routine, first, the type of data to be printed and the output format are specified (step 71).
0). The instruction is performed by operating the mouse 3 or the keyboard 5. However, it is convenient if a data list, a line section list, a train organization list, etc. are displayed on the CRT 11, selected by a cursor, and designated. . Alternatively, the data type may be coded, and the code may be input.

Next, data of the specified type is read from the external storage device 9 (step 720). The read data or the data stored in the RAM 1c is converted in accordance with the specified output format, and output to the printer 13 together with the print instruction (step 730).

When the above processing is completed, the process exits from the return and returns to the main routine. When the end is instructed by the function selection of the main routine, the operation curve drawing device of this embodiment stops its operation (step 800). As described above, in the operation curve diagram drawing apparatus of the present embodiment, when a line section and a train organization are instructed, an operation curve according to the instruction is created and displayed on the screen of the CRT 11.

If a coordinate point and acceleration / deceleration conditions are indicated in the speed curve portion of the operation curve displayed on the screen of the CRT 11,
A speed curve under the designated acceleration / deceleration condition is calculated and displayed with the coordinate point as a starting point. Next, when a part of the speed curve to be deleted is designated, a speed curve in which the part is deleted is displayed. Thereby, the newly corrected speed curve can be displayed.

When the time curve is displayed together with the speed curve, when the speed curve is corrected, the time curve is corrected accordingly. Therefore, the operation curve is corrected and displayed according to the correction of the speed curve. The operation curve thus created is stored as operation curve data, and can be read out and printed at any time.

Therefore, it is possible to create and print a large number of operating curves in a short time and manually, so that it is possible to compare and examine a large number of operating curves and efficiently perform the operation of creating an operating curve. Further, for example, when the creation of the time interval curve is displayed, the train operation auxiliary data according to the operation curve data is created and displayed, so that the time interval curve and the train operation auxiliary data can be efficiently created.

In the operating curve diagram drawing apparatus of this embodiment, when various curves are created and corrected, the electronic control unit 1 is used.
Can be displayed on the CRT 11 in parallel with the arithmetic processing in. Although the data can be displayed before printing, it is also possible to execute only printing without displaying the data.

Although the embodiments have been described above, the present invention is not limited to the above-described embodiments, and various improvements can be freely made without departing from the gist of the present invention.

[0084]

According to the driving curve drawing apparatus of the present invention, when a line section and a train organization are specified, a driving curve corresponding to the instruction is created and displayed on a CRT screen. If a coordinate point and an acceleration / deceleration condition are indicated in the speed curve portion of the operation curve displayed on the screen of the CRT, a speed curve under the specified acceleration / deceleration condition is calculated and displayed starting from the coordinate point. Next, when a part of the speed curve to be deleted is designated, a speed curve in which the part is deleted is displayed.

The speed curve is rewritten according to the instruction of the coordinate points and the acceleration / deceleration conditions.
You can draw with a simple operation and in a short time. When the time curve is displayed together with the speed curve, when the speed curve is corrected, the time curve is corrected accordingly. Therefore, the operation curve is corrected and displayed according to the correction of the speed curve. The operation curve thus created is stored as operation curve data, and can be read out and printed at any time.

[0086] For this reason, it is possible to create and print a large number of operation curves in a short time and manually, so that a large number of operation curves can be compared and examined, and the operation curve creation work can be performed efficiently. Further, for example, when the creation of the time interval curve is displayed, the train operation auxiliary data according to the operation curve data is created and displayed, so that the time interval curve and the train operation auxiliary data can be efficiently created.

Moreover, since the operation curve data can be easily converted to other form creation data, it is easy to create a form based on the operation curve data.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a basic configuration of an operation curve drawing apparatus according to an embodiment.

FIG. 2 is a block diagram of an operation curve drawing device according to the embodiment.

FIG. 3 is a flowchart of a main routine in the embodiment.

FIG. 4 is a flowchart of an operation curve creation routine in the embodiment.

FIG. 5 is a flowchart of an operation curve correction routine in the embodiment.

FIG. 6 is a flowchart of a printing routine in the embodiment.

FIG. 7 is an explanatory diagram illustrating an example of a downhill limit table.

FIG. 8 is an explanatory diagram illustrating an example of a downward gradient.

FIG. 9 is an explanatory diagram illustrating an example of a curve restriction table.

FIG. 10 is an explanatory diagram illustrating an example of an operation curve automatically created by the operation curve diagram drawing device of the embodiment.

FIG. 11 is an explanatory diagram showing an example of an operation curve corrected after being automatically created by the operation curve drawing apparatus of the embodiment.

FIG. 12 is an explanatory diagram of an operation curve correction procedure by the operation curve diagram drawing device of the embodiment.

FIG. 13 is an explanatory diagram illustrating an output example of a time interval curve.

FIG. 14 is an explanatory diagram illustrating an output example of a load curve.

FIG. 15 is an explanatory diagram illustrating an output example of an acceleration force curve.

FIG. 16 is an explanatory diagram illustrating an output example of a speed-distance curve.

[Explanation of symbols]

1 ... Electronic control device, 3 ... Mouse, 5 ... Keyboard, 7 ... Floppy disk driver, 9 ...
-External storage device, 11 ... CRT, 13 ... printer.

Claims (3)

(57) [Claims] 1. Basic data on railway lines and vehicles
With basic data according to the indicated line section and train organization
Function to automatically create an operation curve using the
With a driving curve drawing device having a function to correct the driving curve
There are a data storage means for storing the basic data, and display means for displaying the operation curves, means for selecting an automatic creation function or modified function of the operating curve
If, during the modification of the operating curve, the desired seating of drawing the operating curve
Select a reference point and set the coordinate point as the acceleration / deceleration condition from the coordinate point.
Instruction means for instructing together, and the instruction from the instruction means when correcting the operating curve
Extracting the basic data from the data storage means according to
The basic data and the specified acceleration / deceleration conditions.
And a display control means for calculating a speed curve from the designated coordinate point in accordance therewith and displaying the calculated speed curve on an operation curve diagram of the display means. 2. The driving curve drawing device according to claim 1, wherein the display control means displays a time curve corresponding to the speed curve on the driving curve diagram on a display means. 3. The driving curve drawing device according to claim 1, wherein the display control means creates the train operation auxiliary data according to the basic data and the speed curve or the time curve.