JPH04351401A - Train operation supporting system - Google Patents

Abstract

PURPOSE:To call attention to the fact that an operator missed point confirmation of signal and the fact that the operator is gripping handle abnormally and to display the facts. CONSTITUTION:A voice detecting section 2 detects voice of operator point- confirming a signal and delivers a signal to a processor 1. A handle grip pressure detecting section 3 detects handle grip pressure of the operator and delivers a signal to a processor 1. The processor 1 grasps the train speed and the train position while simultaneously stores the positions of signals, railroad crossings and stations located along the railroad. On the basis of detection signals fed from the voice generating section 2 and the handle grip pressure detecting section 3, an alarm generating section 4 generates an alarm sound or voice for calling attention of the operator and displays operations, to which the operator must follow, on a display section 5.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a train driving support device installed in a train driver's cab to support a driver's work.

0002

[Prior Art] Conventionally, this type of train driving support system has been used as a train driving support system because mistakes or carelessness on the part of the driver can lead to extremely dangerous situations such as intrusion into a different track, damage to property, or a collision. In addition to its position, it is also considered a safety device for train operation, and the brakes are activated immediately when the device is activated. A typical example is the widely known ATS device, and various types are used. The basic principle is that the train should stop in front of the signal when the signal indicates a stop signal, and if the train is traveling at a speed exceeding the allowable speed indicated by the signal, this will be detected at an appropriate position in front of the signal. The system is configured to issue a warning to the driver and activate the brakes. Examples of prior art documents include JP-A-63-249406
(Special Application No. 1982-79678), etc.

0003

[Problems to be Solved by the Invention] In the ATS system, what is important is whether the operating state of the train will result in the system being activated, and is not concerned with the driver's situation before that.

[0004] On the other hand, if we look at train drivers, they understand the driving duties they are responsible for using train schedules called work schedules or route schedules, and operate in accordance with these schedules. The contents of the work schedule vary from day to day, and the operating sections, stations at which trains stop, stations they pass through, departure and arrival times, train types, etc. generally vary from day to day. For this reason, drivers are required to keep themselves in good physical condition and to drive with sufficient tension and attentiveness.

[0005] For such important work of drivers,
A device that contributes to reducing this burden has been desired. Particularly in railway lines near large cities, the demand for such services is becoming stronger as the number of passengers increases. The issues that must be solved to reduce the work burden on drivers can be categorized as follows. (A) A function for recognizing the train schedule as a work in a device installed on the train. (B) A function for measuring the speed and position of the train as the train operates. A function that recognizes the location of a station, allows the driver to check the signal display, confirm that there are no obstacles to passing through the railroad crossing, and verify that the driver is driving at a speed that will ensure that he or she can stop at the station he or she wants to stop at. (
D) A function that detects when the driver is distracted, distracted, or asleep, and fails to call for confirmation of the traffic lights or does not grip the steering wheel properly (E)
A function to call the driver's attention or a function to give instructions when the state of (D) above is determined.
) has been solved by the prior art. however,
Issues (D) and (E) are unresolved.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a train operation support system that can solve the above-mentioned unresolved problems and highly support the work of drivers.

[0007]

[Means for Solving the Problems] In order to solve the above-mentioned problems, the present invention provides a train driving support system that includes a processing device, a voice detection section, a handle grip pressure detection section, an alarm sound generation section, and a display section. In the device, the voice detection section detects the voice of the driver calling for a traffic light and supplies a detection signal to the processing device, and the steering wheel grip pressure detection section detects the driver's grip pressure on the steering wheel. The processing device grasps the train speed and the train position, and also stores at least the positions of traffic lights, railroad crossings, and stations specific to the route, and the processing device stores the train speed and the train position, and stores at least the positions of traffic lights specific to the route, the positions of railroad crossings, and the positions of stations. Based on the detection signal given from the grip pressure detection section, a drive signal is supplied to the alarm generation section and the display section, and the alarm sound generation section generates an alarm sound or voice to draw the driver's attention; The display section displays actions to be taken by the driver.

[0008]

[Operation] The voice detection unit detects the driver's voice calling for traffic lights, and the steering wheel grip pressure detection unit detects the driver's grip pressure on the steering wheel.
Alternatively, it is possible to detect if the driver is dozing off and has neglected to call out to confirm the presence of the traffic light, or if the driver is not gripping the steering wheel properly.

[0009] The processing device grasps the train speed and the train position, and also stores at least the positions of traffic lights specific to the route, the positions of railroad crossings, and the positions of stations. Based on the signal, the alarm generation section and display section are driven, and the alarm generation section generates an alarm sound or voice to draw the driver's attention, and the display section displays the actions the driver should take. The driver can alert or give instructions to a driver who is in a dangerous situation.

Furthermore, by prompting the driver to check the appearance of the traffic light at a position and timing where the ATS device is not yet activated, it is possible to back up the driver so that he or she can drive with good riding comfort.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a block diagram showing the configuration of a train driving support system according to the present invention. 1 is a processing device, 2 is a voice detection section, 3 is a handle grip pressure detection section, 4 is an alarm sound generation section, and 5 is a display section, which are installed in the driver's cab of a train (not shown). 6 is a memory card, 7 is a speed generator, 8 is an accelerometer, and 9 is a memory.

The voice detection section 2 detects the voice of the driver calling for a signal. Background noise and the driver's pronunciation can be distinguished using voice recognition technology. The steering wheel grip pressure detection unit 3 detects the driver's steering wheel grip pressure. The steering wheel grip pressure can be detected, for example, by installing a switch on the steering wheel and turning the switch on or off when the driver takes his hand off the steering wheel or when the force with which he grips the steering wheel decreases.

As mentioned above, the voice detection section 1 detects the voice of the driver calling for a traffic light, and the steering wheel grip pressure detection section 3 detects the driver's grip pressure on the steering wheel, so that the driver can
In the unlikely event that you are distracted, distracted, or dozing off,
It can detect when the driver neglects to call out to confirm the presence of traffic lights and when the driver is not gripping the steering wheel properly.

[0014] The processing device 1 grasps the train speed and train position, and stores at least the positions of traffic lights, railway crossing positions, and station positions unique to the route. The train speed and train position are calculated based on signals from the speed generator 7 and the accelerometer 8, and the positions of traffic lights, railroad crossings, stations, etc. specific to the route are stored in the memory 9. The processing device 1 is equipped with a microprocessor (not shown), a memory, an input/output interface section with various parts, etc., and is capable of determining and measuring various detection signals,
The alarm output to the alarm sound generating section 4, the display output to the display section 5, etc. are controlled by software. The processing device 1 is
Of course, conventionally known general driving support operations are also performed at the same time.

The alarm sound generating section 4 generates an alarm sound or voice to draw the driver's attention in response to the drive signal supplied from the processing device 1, and the display section 5 responds to the drive signal supplied from the processing device 1. Based on the information, the driver's actions are displayed. Therefore, it is possible to obtain a train driving support device that can alert or give instructions to a driver who has fallen into the above-mentioned dangerous situation, and can highly support the driving work.

The memory card 6 records the contents of the work to be initialized in the processing device 1. The speed generator 7 is attached to the axle of a train (not shown) and generates a signal in the form of electrical pulses in accordance with the rotational speed of the wheels. The accelerometer 8 is provided to detect the acceleration applied to the train and to accurately measure the speed even when the wheels are spinning or skidding. The speed detection device is not limited to the combination of the speed generator 7 and the accelerometer 8, but it is also possible to use other types of speed detection devices, such as an ultrasonic speed detection device. Memory 9 is
It is built into the processing device 1, and stores the positions of traffic lights, railway crossings, stations, etc. specific to the route.

In the train driving support device employing the illustrated system, a driver boards a train carrying a memory card 6, and connects the memory card 6 to the processing device 1 prior to departure. As a result, the processing device 1 recognizes the work and starts monitoring the train operation. In accordance with the operation of the train, the processing device 1 measures the speed from signals supplied from the speed generator 7 and the accelerometer 8, determines the travel distance, and continues to monitor the operation of the train. Then, the position of the signal, the position of the railroad crossing, the position of the station, etc. stored in the memory 9 is read out one after another, and when the train approaches the signal, the voice detects that the driver has uttered a shout. The signal output from the section 2 is used to verify the vehicle, and when approaching a level crossing, the signal output from the voice detection section 2 is used to confirm that the driver has verbally confirmed the safety of passing through the level crossing.

When the train approaches a stopping station, the processing device 1 checks whether the speed of the train does not exceed the braking distance range based on the detection signals from the speed generator 7 and the accelerometer 8. When a driver approaches a traffic light, he/she is required to look at the traffic signal and, for example, if a warning signal is displayed, to briefly say the traffic signal's indication, such as "Daichijounai keikaigensoku". It is being Processing device 1
The output of the voice detection section 2 is used to check whether or not the driver is emitting a shouting voice. This makes it possible to detect whether the driver is shouting to indicate the signal when the train approaches the signal, making it possible to judge whether the driver is driving correctly. . Since there is no obligation to call out at railroad crossings, it is not possible to estimate the correctness of the driver's actions based on the detection signal of the voice detection unit 2, but it is one way to evaluate the reliability of the driver's operation. It can be considered as an indicator.

In this way, the processing device 1 can determine the position of the train,
It is possible to monitor whether the train is operating correctly from the sound confirmation of signal presence and timing, so if the driver loses the voice confirmation of signal presence when he should, the driver can It is possible to immediately issue a warning and request correct action.

[0020] If the voice confirmation of the presence of the traffic light is not uttered, the output of the handle grip pressure detection section 3 is checked. If the output of the steering wheel grip pressure detection section 3 is normal, it can be determined that the driver is gripping the steering wheel correctly, so it can be expected that the driver will immediately check the traffic light indication by the alarm. If the output of the handle grip pressure detector 3 is also not normal, it can be assumed that something is wrong with the driver, and a strong warning is issued to call for attention. If this state continues, it is also possible to configure the system to output a brake command.

Next, the position or timing at which the alarm sound is generated and the content of the alarm displayed on the display section will be explained. Generally, trains are required to be operated with appropriate acceleration and deceleration to provide a comfortable ride for passengers, and this operating technique depends on the skill of the driver. On the other hand, in order to increase transportation capacity,
Trains must be driven as fast as possible, and must be accelerated and decelerated efficiently. For this reason, when a signal in front of a train indicates a stop or deceleration, the train driver often sees this and sets a train schedule that requires a fairly sudden deceleration. And the aforementioned A
The TS device does not operate when the train is operating normally, but is activated when the driver's deceleration operation is delayed, so when the ATS device activates, the deceleration is sudden, making the ride uncomfortable for passengers. becomes in a bad condition. For this reason, A.T.
Drivers are required to drive in such a way that the S device is not activated. According to the present invention, it is possible to prompt the driver to check the appearance of the traffic light at a position and timing where the ATS device is not yet activated, and to back up the driver so that the driver can drive with good riding comfort. In the present invention, since the processing device 1 always knows the position of its own train and the position of the signal, this can be realized extremely easily.

Generally, a buzzer, a bell, etc. are used as the sound generating means in the alarm sound generating section 4, but it is also possible to use a meaningful sound instead. You are free to choose either one. Regarding the display section 5,
You can freely select a method from simple display using indicator lights to detailed display using figures, characters, symbols, color display, etc.

[0023]

[Effects of the Invention] As described above, according to the present invention, the following effects can be obtained. (a) The audio detection unit detects the driver's voice calling for traffic lights, and the steering wheel pressure detection unit detects the driver's grip pressure on the steering wheel, so if the driver is distracted, distracted, or It is possible to provide a train driving support device capable of detecting whether a person is dozing off and has neglected to call out to confirm the presence of a signal, and whether the steering wheel is not being gripped normally. (b) The processing device drives the alarm generation section and the display section based on the detection signal supplied from the audio detection section and the steering wheel grip pressure detection section, and the alarm generation section alerts the driver to the drive signal given from the processing device. It generates a warning sound or voice to alert the driver, and the display section displays the actions the driver should take based on the drive signal supplied from the processing device, so it can alert the driver who has fallen into the dangerous situation mentioned above. , or provide a train driving support device that can provide instructions. (c) It is possible to provide a train driving support device that can back up the driver by prompting the driver to check the signal display at locations and timings where the ATS device is not yet activated, so that the driver can drive with a comfortable ride. .

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of a train driving support device according to the present invention.

[Explanation of symbols]

1 Processing device 2 Voice detection section 3 Handle grip pressure detection section 4
Alarm sound generating section 5 Display section

Claims (3)

[Claims] 1. A train driving support device including a processing device, a voice detection section, a handle grip pressure detection section, an alarm sound generation section, and a display section, wherein the voice detection section is configured to detect signal operation by a driver. The sound of a warning signal is detected and a detection signal is supplied to the processing device, the steering wheel grip pressure detection section detects the driver's steering wheel grip pressure and supplies it to the processing device, and the processing device is configured to detect the train speed. and the train position, and also memorizes at least the position of a signal specific to the route, the position of a railroad crossing, and the position of a station, and generates the alarm based on the detection signal given from the voice detection unit and the handle grip pressure detection unit. A driving signal is supplied to the section and the display section, the alarm sound generation section generates an alarm sound or voice to draw the driver's attention, and the display section displays the actions the driver should take. Support equipment. 2. A speed detection device, wherein the speed detection device detects the train speed and supplies a speed detection signal to the processing device, and the processing device calculates the train speed and train position based on the speed detection signal. The train driving support device according to claim 1. 3. The train system according to claim 1, further comprising a memory card, wherein the memory card records the contents of the work to be initialized, and the processing device reads the recorded contents of the memory card and starts monitoring the train operation. The train driving support device described in .