WO2017145246A1 - 速度制御装置、無線列車制御システムおよび速度制御方法 - Google Patents
速度制御装置、無線列車制御システムおよび速度制御方法 Download PDFInfo
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- WO2017145246A1 WO2017145246A1 PCT/JP2016/055113 JP2016055113W WO2017145246A1 WO 2017145246 A1 WO2017145246 A1 WO 2017145246A1 JP 2016055113 W JP2016055113 W JP 2016055113W WO 2017145246 A1 WO2017145246 A1 WO 2017145246A1
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- 238000006243 chemical reaction Methods 0.000 description 4
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- 238000005096 rolling process Methods 0.000 description 4
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- 238000010248 power generation Methods 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/10—Indicating wheel slip ; Correction of wheel slip
- B60L3/104—Indicating wheel slip ; Correction of wheel slip by indirect measurement of vehicle speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/021—Measuring and recording of train speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L25/00—Recording or indicating positions or identities of vehicles or trains or setting of track apparatus
- B61L25/02—Indicating or recording positions or identities of vehicles or trains
- B61L25/025—Absolute localisation, e.g. providing geodetic coordinates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/04—Automatic systems, e.g. controlled by train; Change-over to manual control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/20—Trackside control of safe travel of vehicle or train, e.g. braking curve calculation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2260/00—Operating Modes
- B60L2260/20—Drive modes; Transition between modes
- B60L2260/22—Standstill, e.g. zero speed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to a speed control device, a radio train control system, and a speed control method for controlling a train speed using a speed generator.
- the conventional speed control device converts the AC voltage output from the speed generator into a pulse signal, counts the number of pulses of the pulse signal, and calculates the rotational speed of the wheel.
- the prior art disclosed in Patent Document 1 includes a speed generator and a sampling circuit that counts pulses sent from the speed generator in order to reduce the error in the train speed using the speed generator. The number of rising edges and the number of falling edges are counted for each sampling time, and the train speed is obtained based on the number of pulses for each counted sampling time.
- a speed generator mounted on a train makes it difficult to convert an AC voltage into a pulse signal because the generated voltage decreases when the train speed drops below a certain speed in the low speed range.
- it is difficult to detect the pulse signal in the low speed region it is difficult to calculate the train speed in the low speed region by using only the speed generator in the conventional technique represented by Patent Document 1, and the calculation of the train position. Accuracy is reduced.
- a pulse generation circuit that generates a pulse signal in the low-speed range may be used. However, this increases the cost compared to the speed generator with a simple structure and is reliable. In general, such a pulse generation circuit is not used because of a decrease in performance.
- the present invention has been made in view of the above, and an object thereof is to obtain a speed control device capable of calculating a train speed using a speed generator even in a low speed region.
- the speed control device of the present invention is a speed control device that controls the speed of a train using a speed generator, and is an alternating current output from the speed generator.
- the pulse count signal corresponding to the number of rotations of the train wheel cannot be detected using the voltage signal
- the notch information output from the master controller, the route database information for managing the route data, and the vehicle characteristic data are managed.
- a calculation unit is provided that calculates the second speed using the pulse count signal. .
- the train speed can be calculated using a speed generator even in a low speed region.
- Configuration diagram of speed control apparatus according to Embodiment 1 of the present invention The figure which shows the power running performance curve used when calculating the speed of the train Flowchart for explaining the operation of the speed control apparatus according to the first embodiment.
- the block diagram of the calculating part which the speed control apparatus which concerns on Embodiment 2 of this invention has Flowchart for explaining the operation of the speed control apparatus according to the second embodiment.
- the block diagram of the calculating part which the speed control apparatus which concerns on Embodiment 3 of this invention has Flowchart for explaining the operation of the speed control device according to the third embodiment.
- FIG. Hardware configuration diagram of the speed control device according to the first to third embodiments of the present invention Configuration diagram of radio train control system according to Embodiment 4 of the present invention Configuration diagram of train-mounted equipment used in the radio train control system shown in FIG. Timing chart showing information transmitted in radio train control system according to embodiment 4 of the present invention
- FIG. 1 is a diagram showing a train equipped with a speed control device according to Embodiment 1 of the present invention.
- the train 100 is provided with wheels 10 for running on the rails 11, and the wheels 10 are rotationally driven by a main motor (not shown).
- the speed generator 1 is provided on the axle of the wheel 10, and the speed generator 1 generates a sine wave voltage of one cycle per one revolution of the axle, that is, one revolution of the wheel 10. Specifically, the rotor wound in the speed generator 1 rotates along with the rotation of the axle, and the teeth formed on the outer peripheral surface of the rotor pass through the magnetic pole piece, so that the coil wound around the magnetic pole piece An alternating voltage that periodically changes is generated. The AC voltage is output as an AC voltage signal 1 a corresponding to the rotation speed of the wheel 10.
- the train 100 is provided with a speed controller 8 and a master controller 4 for controlling the train speed.
- the speed control device 8 includes a signal conversion unit 2, a pulse count unit 3, a calculation unit 7, a route database 5, and a vehicle characteristic database 6.
- the speed control device 8 may include a train speed control function in addition to these functions.
- the train speed control function the speed and the speed of the train 100 are controlled by comparing the position and speed of the train with the speed control pattern.
- a security device can be exemplified.
- the signal conversion unit 2 converts the AC voltage signal output from the speed generator 1 into a rectangular pulse signal 2a and outputs it.
- the pulse count unit 3 counts the number of pulse signals 2a generated per unit time and outputs a pulse count signal 3a. That is, the pulse count unit 3 outputs a number of pulse count signals 3 a corresponding to the number of rotations of the wheel 10. In the pulse count unit 3, the number of pulse signals 2a is counted with a period from the rising edge to the falling edge of the pulse signal 2a as one pulse.
- the master controller 4 is installed in a cab (not shown) of the train 100, determines a power running notch and a brake notch, and outputs it as notch information 4a. In addition to the notch information 4a, the master controller 4 outputs control information necessary for operation such as information indicating the traveling direction of the train 100.
- route database 5 linear information such as a gradient and a curve radius corresponding to the kilometer of the route is registered as route data 5a.
- the weight of each vehicle of the train 100, the tensile force corresponding to the notch speed, and the brake force corresponding to the notch speed are registered as vehicle characteristic data 6a.
- the computing unit 7 computes the first speed V c1 and the second speed V c2 at regular intervals using the pulse count signal 3a, the notch information 4a, the route data 5a, and the vehicle characteristic data 6a.
- the calculation unit 7 holds the calculated first speed V c1 and second speed V c2 as speed information Vn, and outputs it to a control element that uses the speed information Vn.
- FIG. 2 is a configuration diagram of the speed control apparatus according to the first embodiment of the present invention.
- the calculation unit 7 shown in FIG. 2 includes a pulse detection unit 71, a speed calculation unit 72, and a position calculation unit 73.
- the pulse detector 71 determines whether or not the pulse count signal 3a can be detected.
- the speed calculation unit 72 uses the notch information 4a, the route data 5a, the vehicle characteristic data 6a, and the first speed calculated in the previous calculation cycle. by using the previous value of V c1, it calculates a new first velocity V c1.
- the speed calculator 72 calculates the second speed V c2 based on the count number of the pulse count signal 3a.
- the position calculation unit 73 uses the current first speed V c1 or the current second speed V c2 calculated by the speed calculation unit 72 according to the following equation (1), and the train 100 after ⁇ t from the current time.
- the position P of the first vehicle is calculated.
- Position P after ⁇ t seconds Current position P + ⁇ t ⁇ Current speed (1)
- FIG. 3 is a diagram showing a power running performance curve used when calculating the train speed.
- the vertical axis represents the tensile force per motor mounted on the train 100.
- the horizontal axis represents the train speed.
- FIG. 3 shows power running performance curves corresponding to each of the four power running notches 1N, 2N, 3N, and 4N as an example.
- Each power running performance curve indicates the relationship between the tensile force corresponding to the power running notch and the train speed, and is also called a tensile force curve.
- a plurality of powering performance curve information is set in advance in the calculation unit 7, and the speed calculation unit 72 of the calculation unit 7 takes in the notch information 4a as needed, and selects a powering performance curve corresponding to the powering notch.
- the calculation unit 7 in which the pulse count signal 3a is not detected calculates the current tensile force and acceleration using the selected power running performance curve and the current speed, and obtains the speed after ⁇ t seconds, thereby obtaining the first speed. V c1 is calculated. When the pulse count signal 3a is detected, the calculation unit 7 calculates a second speed V c2 that accelerates the train according to the selected powering performance curve.
- a brake performance curve corresponding to each of a plurality of brake notches is set in the calculation unit 7 in the brake, and the speed calculation unit 72 of the calculation unit 7 takes in the notch information 4a as needed, and brake performance corresponding to the brake notch. Select a curve.
- the calculation unit 7 in which the pulse count signal 3a is not detected calculates the current deceleration using the selected brake performance curve and the current speed, and obtains the speed after ⁇ t seconds, thereby obtaining the first speed V c1. Is calculated.
- the calculation unit 7 calculates a second speed Vc2 that decelerates the train according to the selected brake performance curve.
- FIG. 4 is a flowchart for explaining the operation of the speed control apparatus according to the first embodiment.
- the speed control device 8 converts the AC voltage signal 1a into the pulse signal 2a and outputs the pulse count signal 3a.
- the speed control device 8 cannot convert the pulse signal 2a because the power generation voltage of the speed generator 1 decreases, and the pulse count signal 3a is output. Disappear.
- the constant speed V L is assumed to be 5 km / h.
- the calculation unit 7 starts the process shown in FIG.
- the pulse count signal 3a is not detected because the train 100 travels at a speed lower than the constant speed VL in S1 that is the signal detection step (S1, No)
- the speed calculation unit 72 is performed in S2 that is the speed calculation step.
- speed Vn-1 in the previous cycle corresponds to train position Pn-1 in the previous cycle, speed Vn-1 in the previous cycle, notch position Mn-1 in the previous cycle, route gradient, route curve radius, weight of each vehicle, and notch
- the first speed V c1 is calculated using the applied tensile force and the braking force corresponding to the notch (S2).
- the speed calculation unit 72 When the pulse count signal 3a is detected by the train 100 traveling at a speed equal to or higher than the constant speed VL (S1, Yes), the speed calculation unit 72 includes the diameter of the wheel 10 in the count number of the pulse count signal 3a.
- the second speed V c2 is calculated by multiplying the coefficient (S3).
- the first speed V c1 and the second speed V c2 calculated in S2 and S3 are held as speed information Vn calculated in the current cycle and are output to a control element using the speed information Vn.
- the position calculation unit 73 calculates and outputs the position P of the leading vehicle of the train 100 using the speed calculated in S2 and S3 (S4).
- the speed control device 8 calculates the latest speed using the notch information 4a, the route data 5a, and the vehicle characteristic data 6a even when the power generation voltage of the speed generator 1 decreases during low-speed traveling.
- the position P of the train 100 can be estimated. Therefore, it is possible to calculate the speed with high accuracy without adding a new sensor other than the speed generator 1 in order to detect the train speed in the low speed region where the generated voltage of the speed generator 1 decreases, and the increase in cost can be suppressed. At the same time, a decrease in reliability can be suppressed.
- the train 100 including the speed control device 8 of the first embodiment transmits the position P to the ground device by wireless communication
- the travel interval between the preceding train and the succeeding train can be controlled with high accuracy, and fail-safe Both efficiency and efficient operation can be realized with a cost-effective configuration.
- FIG. FIG. 5 is a configuration diagram of a calculation unit included in the speed control device according to the second embodiment of the present invention.
- the calculation unit 7-2 of the second embodiment includes a speed selection unit 74 in addition to the pulse detection unit 71, the speed calculation unit 72, and the position calculation unit 73. Further, the position calculation unit 73 according to the second embodiment calculates the position P using the speed selected by the speed selection unit 74.
- FIG. 6 is a flowchart for explaining the operation of the speed control apparatus according to the second embodiment.
- the speed calculation unit 72 performs the previous cycle train position Pn-1, the previous cycle speed Vn-1, the previous cycle notch position Mn-1, and the route.
- the first speed V c1 is calculated using the slope of the road, the curve radius of the route, the weight of each vehicle, the tensile force corresponding to the notch, and the braking force corresponding to the notch (S12).
- the speed selection unit 74 compares the first speed V c1 and the constant speed V L , and if the first speed V c1 is greater than the constant speed V L (S13, Yes), the first speed V c1 and the constant speed V c1 Among the speeds V L , a constant speed V L is selected as the speed V for calculating the position P (S14).
- the speed selection unit 74 of the first speed V c1 and a constant velocity V L, the first speed V c1, location A speed V for calculating P is selected (S15).
- the speed calculation unit 72 calculates the second speed V c2 by multiplying the count number of the pulse count signal 3a by a coefficient including the diameter of the wheel 10. (S16).
- the speed calculated in S14, S15, or S16 is held as the speed information Vn calculated in the current cycle, and is output to the control element using the speed information Vn.
- the position calculation unit 73 calculates the position P of the leading vehicle of the train 100 using the speed calculated in S14, S15, or S16 (S17).
- FIG. 7 is a diagram for explaining a speed selection operation in the calculation unit according to the second embodiment.
- (A) When the rolling prevention brake is released in the train 100 on which the speed generator 1 is mounted, the calculation unit 7-2 starts the process shown in FIG. 6, and (B) calculates the first speed V c1 and The position P is calculated.
- the speed control device 8 of the second embodiment even when a preceding train is present in front of the train 100 on which the speed control device 8 is mounted, the position at the highest speed assumed when the pulse count signal 3a cannot be detected. P can be controlled. Therefore, compared with Embodiment 1, the interval between the preceding train and the following train can be controlled with higher accuracy, and the fail-safe property can be improved.
- FIG. FIG. 8 is a configuration diagram of a calculation unit included in the speed control device according to the third embodiment of the present invention.
- the calculation unit 7-3 of the third embodiment includes a position correction unit 76 in addition to the pulse detection unit 71, the speed calculation unit 72, and the position calculation unit 73.
- FIG. 9 is a flowchart for explaining the operation of the speed control apparatus according to the third embodiment.
- the speed calculation unit 72 performs the previous cycle train position Pn-1, the previous cycle speed Vn-1, the previous cycle notch position Mn-1, and the route.
- the first speed V c1 is calculated using the slope of the curve, the curve radius of the route, the weight of each vehicle, the tensile force corresponding to the notch, and the braking force corresponding to the notch (S22).
- Position correction unit 76 includes a first speed V c1 comparing a constant velocity V L, up to a first speed V c1 exceeds a predetermined speed V L repeated comparison operation (S23, No), the first speed V When c1 is equal to or lower than the constant speed VL (S23, Yes), it is determined again whether or not the pulse count signal 3a is detected.
- the position correction unit 76 corrects the position of the train using the time from when the rolling prevention brake is released until the pulse count signal 3a is detected. Then, the corrected position P2 is calculated (S26).
- the position correcting unit 76 calculates the position P of the leading vehicle of the train 100 after ⁇ t from the current time by using the first speed V c1 is the current speed V M by the following equation (2). Next, the position correction unit 76 calculates the correction amount L by the following equation (3). Further, the position correction unit 76 calculates a position P2 obtained by subtracting the correction amount L from the position P after ⁇ t seconds according to the following equation (4). That is, the position correction unit 76 adjusts the position P of the leading vehicle of the train 100 so as to be shifted by a certain distance to the opposite side of the traveling direction of the train 100.
- the speed calculation unit 72 calculates the second speed V c2 by multiplying the count number of the pulse count signal 3a by a coefficient including the diameter of the wheel 10. (S25).
- the position calculation unit 73 calculates and outputs the position P of the leading vehicle of the train 100 using the speed calculated in S22.
- the position calculation unit 73 calculates and outputs the position P using the speed calculated in S25 (S27).
- FIG. 10 is a diagram for explaining the position correction operation in the calculation unit according to the third embodiment.
- (A) When the rolling prevention brake is released in the train 100 equipped with the speed generator 1, the calculation unit 7-3 starts the processing shown in FIG. 9, and (B) calculates the first speed V c1 and The position P is calculated.
- the position calculation unit 73 calculates a position P2 obtained by correcting the position P after ⁇ t seconds with the correction amount L using the above expressions (2) to (4). Thereby, the position of the train 100 when the first speed V c1 is equal to or less than the constant speed VL is adjusted so as to be shifted by a certain distance to the opposite side of the traveling direction of the train 100 as shown in FIG.
- the speed control device 8 of the third embodiment there is an error between the value of the constant speed VL set in the speed control device 8 and the actual speed of the train 100 at the timing when the pulse count signal 3a is detected. Even in some cases, since the position P of the train 100 can be corrected, the travel interval between the preceding train and the succeeding train can be controlled more accurately than in the first embodiment, and the fail-safe property can be improved.
- FIG. 11 is a hardware configuration diagram of the speed control device according to the first to third embodiments of the present invention.
- the speed control device 8 of each embodiment includes an input / output unit 81, a storage unit 82, and a processor 83, and the input / output unit 81, the storage unit 82, and the processor 83 are connected to each other by a data bus 84.
- the input / output unit 81 is an interface circuit for storing information transmitted from the external device in the storage unit 82 and for the processor 83 to transmit / receive information to / from the external device.
- the AC voltage signal 1 a and the notch information 4 a are input to the input / output unit 81, and the speed position information regarding the first speed V c1 , the second speed V c2, and the position P is input via the input / output unit 81.
- Examples of the type of the storage unit 82 include RAM (Random Access Memory), ROM (Read Only Memory), and SSD (Solid State Drive).
- the storage unit 82 stores a program for the processor 83.
- the storage unit 82 stores route data 5a and vehicle characteristic data 6a.
- the storage unit 82 temporarily stores the AC voltage signal 1a and the notch information 4a input via the input / output unit 81. Further, the storage unit 82 temporarily stores the first speed V c1 , the second speed V c2, and the position P.
- the processor 83 is a circuit such as a CPU (Central Processing Unit) or an MPU (Micro Processing Unit).
- the processor 83 includes a signal conversion unit 2, a pulse count unit 3, and calculation units 7, 7-2, 7-3.
- the processor 83 executes the program stored in the storage unit 82, the signal conversion unit 2, the pulse count unit 3, and the calculation units 7, 7-2, and 7-3 are realized.
- FIG. FIG. 12 is a configuration diagram of a radio train control system according to Embodiment 4 of the present invention.
- a system using the speed and position of the train 100 calculated by the speed control device 8 according to the first to third embodiments will be described.
- the radio train control system 200 shown in FIG. 12 includes a plurality of ground control devices A1, B1, C1, D1 connected via a network 202, and each ground control device A1, B1, C1, D1 via a network 203. And a plurality of radio base stations a to h connected to each other and the ground control devices A1, B1, C1, and D1 via the network 203.
- the radio train control system 200 divides the route 9 into a plurality of control areas A, B, C, and D, and the ground control devices A1, B1, C1, and D1 are allocated to the bases A, B, C, and D, respectively.
- Each of the ground control devices A1, B1, C1, and D1 is configured to manage the train 100 at each base.
- the ground control devices A1, B1, C1, and D1 transmit / receive information necessary for train control to / from other ground control devices A1, B1, C1, and D1 via the network 202.
- ground control devices A1, B1, C1, and D1 are used, and two radio base stations are connected to the ground control devices A1, B1, C1, and D1.
- the number of ground control devices and radio base stations is not limited to this.
- FIG. 13 is a configuration diagram of train-mounted equipment used in the wireless train control system shown in FIG.
- FIG. 13 shows a train 100 in communication with the radio base station c.
- the speed control device 8, the on-board radio device 20, and the train information management device 50 are mounted on one leading vehicle 22 of the train 100.
- the on-board wireless device 21 and the train information management device 51 are mounted on the other leading vehicle 23 of the train 100.
- FIG. 13 shows an example of a vehicle-mounted device, but it goes without saying that the actual train 100 is mounted with devices such as a speed generator, a brake control device, and a car upper in addition to these devices.
- the speed control device 8 is connected to the on-board wireless device 20 and the train information management device 50 through a transmission path in the leading vehicle 22, and the on-board wireless device 21 and the train information management device 51 are connected to each other through a transmission path in the leading vehicle 23.
- information 25 is transmitted from the radio base station c toward the train 100, and information 26 is transmitted from the train 100 toward the radio base station c.
- Information 25 is information transmitted from the ground side to the vehicle upper side, and information 26 is information transmitted from the vehicle upper side to the ground side.
- FIG. 14 is a timing chart showing information transmitted by the radio train control system according to the fourth embodiment of the present invention.
- the position information calculated by the speed control device 8 mounted on the train 100 is transmitted to the on-board wireless device 20, and the on-board wireless device 20 that has received the position information sets the position information in a specific transmission frame. .
- a train ID for identifying each train is set in the transmission frame.
- the transmission frame is transmitted as information 26 to the radio base station in the base of the ground control device that manages the train 100.
- the radio base station that has received the information 26 extracts position information, and the extracted position information is transmitted to a ground control device that manages the radio base station.
- the ground control device that has received the position information detects the position of the train that travels within the base of its own device, and exchanges position information with other ground control devices. Stop limit position information for the following train is generated. The generated stop limit position information is transmitted to the radio base station.
- each ground control device on-line management information indicating which base a train in the base is on is created, and this information is transmitted to a higher-level management system such as an operation management system.
- a higher-level management system such as an operation management system.
- the positions of all trains in the system are grasped based on the on-line management information transmitted from each ground control device.
- the radio base station that has received the stop limit position information sets the stop limit position information in the transmission frame.
- a base station ID for identifying a radio base station is set in the transmission frame.
- the transmission frame is received as information 25 by the on-board wireless devices 20 and 21 mounted on the following train.
- the on-vehicle wireless devices 20 and 21 that have received the information 25 extract stop limit position information included in the information 25 and transmit it to the speed control device 8.
- the speed control device 8 generates a speed check pattern based on the stop limit position information, and the generated speed check pattern is compared with the speed information. When the speed information exceeds the speed check pattern, the speed control device 8 A command is generated, and the brake command is output to a brake control device (not shown).
- the train speed can be controlled without using a conventional track circuit, and not only cost reduction and safety improvement can be achieved, but also an appropriate Transport efficiency can be improved by performing train interval control.
- the radio train control system 200 uses the speed control device 8 of the first to third embodiments, the speed control of the train 100 in the low speed region can be performed with high accuracy while suppressing an increase in cost.
- the configuration described in the above embodiment shows an example of the contents of the present invention, and can be combined with another known technique, and can be combined with other configurations without departing from the gist of the present invention. It is also possible to omit or change the part.
- 1 speed generator 1a AC voltage signal, 2 signal converter, 2a pulse signal, 3 pulse count unit, 3a pulse count signal, 4 master controller, 4a notch information, 5 route database, 5a route data, 6 vehicle characteristic database, 6a Vehicle characteristic data, 7, 7-2, 7-3 arithmetic unit, 8 speed control device, 9 routes, 10 wheels, 11 rails, 20, 21 on-board radio device, 25, 26 information, 50, 51 train information management Device, 71 pulse detection unit, 72 speed calculation unit, 73 position calculation unit, 74 speed selection unit, 76 position correction unit, 81 input / output unit, 82 storage unit, 83 processor, 84 data bus, 100 train, 200 radio train control System, 202, 203 network.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
Description
図1は本発明の実施の形態1に係る速度制御装置を搭載した列車を示す図である。列車100にはレール11の上を走行するための車輪10が設けられており、車輪10は図示しない主電動機により回転駆動される。
Δt秒後の位置P=現在位置P+Δt×現在速度・・・(1)
図5は本発明の実施の形態2に係る速度制御装置が有する演算部の構成図である。実施の形態2の演算部7-2は、パルス検知部71、速度演算部72および位置演算部73に加えて、速度選択部74を備える。また実施の形態2の位置演算部73は速度選択部74で選択された速度を用いて位置Pを演算する。
図8は本発明の実施の形態3に係る速度制御装置が有する演算部の構成図である。実施の形態3の演算部7-3は、パルス検知部71、速度演算部72および位置演算部73に加えて、位置補正部76を備える。
Δt秒後の位置P=現在位置P+Δt×現在速度VM・・・(2)
補正量L=Δt×(VL-VM)/2・・・(3)
位置P2=Δt秒後の位置P-補正量L・・・(4)
図12は本発明の実施の形態4に係る無線列車制御システムの構成図である。実施の形態4では実施の形態1から3に係る速度制御装置8で演算された列車100の速度および位置を用いたシステムを説明する。
Claims (5)
- 速度発電機を用いて列車の速度を制御する速度制御装置であって、
前記速度発電機から出力され前記列車の車輪の回転数に対応した交流電圧信号から変換されるパルスカウント信号を検知できないときには、マスターコントローラから出力されるノッチ情報と、路線データを管理する路線データベースの情報と、車両特性データを管理する車両特性データベースの情報とを用いて第1の速度を演算し、前記パルスカウント信号を検知できるときには、前記パルスカウント信号を用いて第2の速度を演算する演算部を備えたことを特徴とする速度制御装置。 - 前記演算部は、
前記第1の速度および前記第2の速度を演算する速度演算部と、
前記第2の速度が一定速度を超えるときには前記一定速度を選択し、前記第2の速度が一定速度未満のときには前記第2の速度を選択する速度選択部と、
前記速度選択部で選択された速度を用いて前記列車の位置を演算する位置演算部と
を備えることを特徴とする請求項1に記載の速度制御装置。 - 前記演算部は、
前記第1の速度および前記第2の速度を演算する速度演算部と、
前記第1の速度が一定速度以下であるときに前記パルスカウント信号を検知できる場合には、前記パルスカウント信号を検知するまでの時間を用いて列車の位置を補正する位置補正部とを備えることを特徴とする請求項1に記載の速度制御装置。 - 請求項2または請求項3に記載の速度制御装置で演算された前記位置を表示することを特徴とする無線列車制御システム。
- 速度発電機を用いて列車速度を制御する速度制御装置に適用される速度制御方法であって、
前記速度発電機から出力され列車の車輪の回転数に対応した交流電圧信号から変換されるパルスカウント信号を検知したか否かを判断する信号検知ステップと、
前記信号検知ステップで前記パルスカウント信号を検知できないときには、マスターコントローラから出力されるノッチ情報と、路線データを管理する路線データベースの情報と、車両特性データを管理する車両特性データベースの情報とを用いて速度を演算する速度演算ステップと、
前記速度演算ステップで演算された速度を用いて前記列車の位置を演算する位置演算ステップとを含むことを特徴とする速度制御方法。
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PCT/JP2016/055113 WO2017145246A1 (ja) | 2016-02-22 | 2016-02-22 | 速度制御装置、無線列車制御システムおよび速度制御方法 |
JP2018501434A JP6403917B2 (ja) | 2016-02-22 | 2016-02-22 | 速度制御装置、無線列車制御システムおよび速度制御方法 |
EP16891405.9A EP3421286B1 (en) | 2016-02-22 | 2016-02-22 | Speed control device, wireless train control system, and speed control method |
US15/998,641 US11198458B2 (en) | 2016-02-22 | 2016-02-22 | Speed control device, wireless train control system, and speed control method |
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US20190359236A1 (en) | 2019-11-28 |
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