KR101042761B1 - course run off the track detection system - Google Patents

Abstract

The present invention is a loop circuit in which conductor wires are closed circuits along a course of a certain section or a course section of a driving test function test site, and is installed at one end of the loop circuit and is located inside the center of the conductors of the loop circuit. Signal generation means for transmitting an alternating signal to generate phase signals in which phases are formed opposite to each other along the direction of the magnetic force lines on the outside and the outside, and phases opposite to each other are formed on the inside and the outside with respect to a wire that is a conductor of the loop circuit. Detects the phase signal, and compares the phase signal according to whether the vehicle under test for the driver's license function test is inside or outside the conductor, which is the conductor of the loop circuit, to determine the deviation of the driving section or the course section. A course deviation detection system for a vehicle under test for a driver's license function test, further comprising a signal detection comparison means It provides.

Driver's license function test, section departure, course departure, pressure sensor, refraction course

Description

Course run off the track detection system

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system deviation detection system of a vehicle under test for a driver's license function test. In particular, the phase of the phase signal detected when the vehicle under test leaves the driving section or violates the lane of the course section in the driver's license function test. The present invention relates to a system for detecting a course deviation of a vehicle to be tested for a driver's license function test, by comparing and analyzing the deviation of a driving section or a course section of a vehicle under test for a driver's license function test.

In general, the driver's license function test site includes driving sections (departure, pedestrian crossing, slope, signal 4 distance, railroad crossing, gear shift section, end, etc.) and course section (refraction course, curve course, direction change). Course, parking course, etc. As shown in FIG. 1A, a pressure sensor 180 ′ is provided in a lane 170 ′ in a conventional driving license function test site 100 ′ in order to check a lane invasion caused by a tire of a vehicle and calculate a score in all courses. It is installed. For example, as shown in FIG. 1B, the pressure sensors 180 'are long installed in both lanes 170' of the refraction course 120 ', and the pressure sensors 180' are formed by the vehicle 190 '. When the tire of stepped on it sends a predetermined signal to the central control room. In the central control room, a technique has been proposed to determine whether or not the driver's license test is passed by subtracting a score corresponding to the number of steps of the vehicle lane (Patent Document 1).

This conventional technology is prone to corrosion and breakage because the pressure sensor is always exposed to temperature due to sunlight, rain, snow, and seasonal changes, and mechanically damaged by repeatedly stepping on the tire of the vehicle, thereby causing a lane It is not possible to detect whether the vehicle is derailed and determine whether the vehicle body is departed from the actual and practically important vehicle only when the pressure is applied to the pressure sensor by the wheel of the vehicle.

In addition, the installation of the facility is complicated and expensive, as well as such a pressure sensor has a disadvantage in that it is usually expensive to replace the entire pressure sensor for the course if any part is broken.

In addition, if the test vehicle collides with the boundary seat over the lane while the test vehicle is in progress other than the course section, or if the body other than the wheel of the vehicle invades the center line, there is no way to identify lane departure or center line violation in the prior art. There is a problem that can not be evaluated for significant lane departure or center line involvement.

[Patent Document 1]

Japanese Patent Application Laid-Open No. 2003-0044325

Accordingly, the present invention compares and analyzes the phase of the phase signal detected by the detection means installed in the vehicle when the vehicle under test for the functional test leaves the lane of the driving section or violates the departure line of the course section in the driving license function test. The purpose of the present invention is to provide a course deviation detection system for a vehicle under test for a driver's license function test, which can confirm whether the vehicle is derailed.

In order to achieve the above object, a system for detecting a course deviation of a vehicle under test for a driver's license function test in accordance with the present invention includes a loop circuit in which conductor wires are closed circuits along a course of a driving section of a driving test facility test site or a course section. And signal generating means for transmitting an alternating signal to generate a phase signal which is installed at one end of the loop circuit and whose phases are formed opposite to each other on the inside and the outside of the loop circuit along the direction of the magnetic lines of force, Is installed in a vehicle to be tested for a driving license function test running along the loop circuit, and detects a phase signal in which phases are formed opposite to each other on the inside and the outside of a conductor wire of the loop circuit, and avoids a driving license function test. Phase depends on whether the test vehicle is inside or outside the wire, the conductor of the loop circuit. Comparing the number analysis is characterized in that is configured to further include a detection signal comparison means for determining the driving period or escape interval course deviation or not.

In addition, the signal detection comparison means is installed in the vehicle to be tested for the driver's license function test detects a phase signal formed in the phase opposite to each other in the direction of the magnetic force line on the inside and the outside of the loop circuit, the vehicle for the test function test Comparing and detecting the phase of the phase signal amplified by the amplifying means for amplifying the phase signal detected by said detecting means, the detection means comprising a plurality of sensors, etc. Outputting a phase comparison means for checking the deviation of the driving section of the test licensed vehicle or the course section derailment, and the status signal of the deviation of the driving section or the course section of the vehicle for the driving license test according to the result of the phase comparing means Characterized in that it further comprises a signal processing means for.

As described above, the course deviation detection system of the vehicle to be tested for a driver's license function test according to the present invention can be used permanently regardless of the temperature change in the external environment by constructing a loop circuit by installing a conductor wire in each course. There is a provisional low installation cost.

In addition, the present invention detects the phase signal formed in the loop circuit according to the deviation of the section of the vehicle under test or the presence of a coastal line to compare and compare the phases, so that it is possible to accurately determine whether the vehicle under test is invading the lane and whether the center line is invaded. do.

Exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2A is a block diagram of a system for detecting a deviation of a vehicle for a test subject for a driving license function test according to the present invention.

The signal generating means 10 is installed at one end of the loop circuit 20 and supplies an alternating signal to the loop circuit 20. Here, the alternating signal includes sine waves, square waves, and signals that are symmetrical in phase. The loop circuit 20 is configured as a closed circuit by installing conductor wires along a course of a driving license test site or a course section. In the installation of the loop circuit 20, the wires are installed in one line according to the course of the driving section or the course section. The signal detection comparison means 30 is installed in the vehicle under test, and the phase detection signal is formed to be opposite to each other in the direction of the magnetic force lines generated according to the alternating signal supplied from the signal generation means 10 to the loop circuit 20. By detecting and comparing, it is determined whether the vehicle is out of section or coastal line.

FIG. 2B is a detailed configuration diagram of the signal detection comparison means 30 of FIG. 2A. The signal detecting and comparing means 30 is installed in the vehicle under test and is composed of a detecting means 31, an amplifying means 32, a phase comparing means 33 and a signal processing means 34. The detecting means 31 detects a phase signal formed by an alternating signal supplied to the loop circuit 20, and is composed of a plurality of sensors in front, rear, left or right of a vehicle to be tested for a driving license function test. . The amplifying means 32 amplifies and outputs the phase signal detected by the detecting means 31. The phase comparison means 33 compares and compares the phases of phase signals detected by a plurality of sensors installed in the vehicle under test for a driving license function test. The signal processing means 34 outputs a status signal of the departure or departure of the running section or the course section of the vehicle under test according to the result of the phase comparing means 33.

An embodiment of the present invention configured as described above will be described in detail with reference to FIGS. 3A to 3F.

Referring to FIG. 3A, the signal generating means 10 transmits an alternating signal to the loop circuit 20 constituting the closed circuit by installing conductor wires along the refraction course 50. Magnetic fields in which the direction of the magnetic force lines are changed by alternating signals are formed on the inner side and the outer side of the electric wire which is the conductor of the loop circuit 20. That is, a phase signal in which phases are formed opposite to each other in accordance with the direction of the magnetic lines of force is formed. For example, when the current flows from the right to the left as in FIG. 3B, the direction of the magnetic force lines is generated inside the loop circuit 20 of FIG. 3A, and the magnetic force lines enter the outside of the loop circuit 20. In direction (). On the contrary, when the current flows from the left to the right (not shown), the magnetic force line enters the inside of the loop circuit 20 of FIG. 3A (), and the magnetic force line emerges outside the loop circuit 20 ( ⊙) As a result, the directions of the lines of magnetic force inside and outside the loop circuit are generated to be opposite to each other when the current flows in the loop circuit 20.

As seen from the cross section of the conductor as shown in Fig. 3c, when the current flows in the direction in which the current flows (⊙), a magnetic force line is generated in the counterclockwise direction around the conductor. Magnetic lines of force are generated. Looking at the cross section of the magnetic field formed as shown in Figure 3c as shown in FIG. Accordingly, in FIG. 3A, the phases of the sensors (a, b, c, and d), which are the detection means 31 of the vehicle under test 30-1, are located inside or outside the loop circuit 20, respectively, in phase with each other. On the contrary, the formed phase signal is detected. Sensors (a, b, c, d) as the detection means 31 is designed to have a constant impedance as a coil wound in the same direction on the magnetic material. In addition, the driver's license function test is to be installed in the vehicle under test, and the roof circuit 20 should be installed at an absolutely right angle. To be installed at right angles, the electromotive force generated when the chain linkage of the magnetic force lines generated in the coil and the loop circuit is at right angles is generated efficiently.

When the alternating signal is applied from the signal generating means 10 and the phase signal detected by the detecting means 31 from the inside centered on the electric wire which is the conductor of the loop circuit 20, the loop circuit 20 is the same as the signal of FIG. Outside of, a signal as shown in FIG. 3F symmetrical to FIG. 3E is detected. That is, as shown in FIG. 3A, when the vehicle under test 30-1 enters the loop circuit 20 installed in the driving section or the course section, the phase detected by the plurality of sensors a, b, c, and d as the detection means is detected. Since a plurality of sensors a, b, c, and d are all present inside the loop circuit 20, a phase signal having the same phase is detected.

When any one of the sensors (a, b, c, d) of the detection means of the vehicle under test 30-2, 30-3 leaves the loop circuit 20, that is, the detection located inside the loop circuit 20 A, b, d of means 30-2 or a, c of 30-3 and means of sensor 30-2 c or 30, b, d of detection means located outside the loop circuit 20 ), The opposite phase signal is detected.

The present invention described above can be variously substituted, modified and changed within the scope without departing from the spirit of the present invention for those of ordinary skill in the art to which the present invention belongs, and the accompanying drawings. It is not limited to.

Figure 1a is a schematic diagram showing a general driver's license test site.

FIG. 1B is an enlarged view of the refraction course region of FIG. 1A; FIG.

Figure 2a is a block diagram of a system deviation detection system of a vehicle to be tested for a driving license function test according to the present invention.

FIG. 2B is a detailed configuration diagram of the signal detection comparison means of FIG. 2A. FIG.

3A to 3F are exemplary diagrams for explaining a system deviation detection system for a vehicle under test for a driving license function test according to the present invention.

<Explanation of symbols for the main parts of the drawings>

10: signal generating means

20: loop circuit

30: signal detection comparison means

50: Refraction Course

Claims (2)

A loop circuit in which conductor cables are closed circuits along a course of a certain section or a course section of a driving license function test site; Signal generating means for transmitting an alternating signal to generate a phase signal which is installed at one end of the loop circuit and whose phases are formed opposite to each other along the direction of the magnetic force lines around the electric wire which is a conductor of the loop circuit; It is installed in a vehicle under test for a driving license function test running along the loop circuit, and detects a phase signal in which phases are formed opposite to each other on the inside and the outside of a wire that is a conductor of the loop circuit. Characterized in that the vehicle further comprises a signal detection comparison means for determining the deviation of the run section or the course section by comparing the phase signal according to the presence or absence of the inside or the outside of the wire that is the conductor of the loop circuit Deviation detection system of vehicle for test The method of claim 1, The signal detection comparison means is installed in the vehicle to be tested for a driver's license function test and detects a phase signal in which phases are formed opposite to each other along the direction of magnetic lines on the inside and the outside of the loop circuit, and in front of the vehicle to be tested for a driver's license function test. Detection means comprising a plurality of sensors on the back, left side or right side, Amplifying means for amplifying the phase signal detected by the detecting means; A phase comparison means for comparing the phase of the phase signal amplified by the amplification means and checking the deviation of the driving section or the course section of the vehicle for a test for driving license; And a signal processing means for outputting a driving section departure or course section derailment status signal of the vehicle for which the driving license is to be tested according to the result of the phase comparing means.

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