WO2012132240A1 - 鉄道車両の車体傾斜制御方法 - Google Patents
鉄道車両の車体傾斜制御方法 Download PDFInfo
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- WO2012132240A1 WO2012132240A1 PCT/JP2012/001514 JP2012001514W WO2012132240A1 WO 2012132240 A1 WO2012132240 A1 WO 2012132240A1 JP 2012001514 W JP2012001514 W JP 2012001514W WO 2012132240 A1 WO2012132240 A1 WO 2012132240A1
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- air
- compressed air
- air reservoir
- pressure
- vehicle body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/22—Guiding of the vehicle underframes with respect to the bogies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/683—Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic systems or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/02—Arrangements of pumps or compressors, or control devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/02—Arrangements permitting limited transverse relative movements between vehicle underframe or bolster and bogie; Connections between underframes and bogies
- B61F5/04—Bolster supports or mountings
- B61F5/10—Bolster supports or mountings incorporating fluid springs
Definitions
- the present invention relates to a vehicle body tilt control method for a railway vehicle that tilts a vehicle body supported by an air spring on a carriage when the railway vehicle travels on a curved road.
- the railway vehicle is composed of a vehicle body and a carriage, and the vehicle body is supported on the carriage via a pair of air springs on the left and right.
- a railway vehicle that travels at a high speed such as the Shinkansen
- the vehicle body tilt control is performed in which compressed air is introduced into the air spring on the outer gauge side and the vehicle body is tilted toward the inner gauge side with respect to the carriage (see, for example, Patent Documents 1 and 2).
- the vehicle body tilt uses compressed air stored in an air reservoir (air tank) as a power source, and the compressed air is produced by a compressor and supplied to the air reservoir.
- the compressed air in the air reservoir is a power source for various pneumatic equipments installed in railway vehicles, and is also used as a power source for brake devices in particular. Therefore, from the viewpoint of safety, it must be avoided that the pressure of the compressed air in the air reservoir (hereinafter also referred to as “air reservoir pressure”) decreases excessively.
- the vehicle body tilt is executed in a continuous section of a curved road, the compressed air in the air reservoir is significantly consumed, so that the air reservoir pressure is excessively reduced, and the brake operation may be hindered. .
- the vehicle body tilt is forcibly stopped when the air reservoir pressure is equal to or lower than a predetermined pressure even during traveling on a curved road.
- the vehicle body tilt is stopped when the air reservoir pressure falls below the specified pressure, the compressed air in the air reservoir will not be consumed any further, so that the brake operation will not be disturbed.
- the tilt angle is 0 (zero), so that the ride comfort is remarkably deteriorated. There is a problem.
- the present invention has been made in view of the above-described problems, and the vehicle body of a railway vehicle that can suppress deterioration in riding comfort when traveling on a curved road without falling into a situation in which the operation of the brake is hindered.
- An object is to provide a tilt control method.
- the present inventors have obtained the following knowledge.
- the compressed air is replenished to the air reservoir whose pressure has decreased by driving the compressor.
- the amount of compressed air introduced from the air reservoir to the air spring is limited to less than the amount of compressed air replenished by the compressor, and the vehicle body tilt angle is lowered.
- the amount of compressed air consumption associated with the inclination is reduced.
- the tilt angle of the vehicle body is lowered, the vehicle body tilt is executed, so that it is possible to suppress the deterioration of the riding comfort.
- the amount of compressed air consumption associated with the leaning of the vehicle body is reduced, and more compressed air than is consumed is replenished from the compressor to the air reservoir, so that the air reservoir pressure exceeds the minimum required for brake operation. Therefore, there is no situation where the brake operation is hindered.
- the present invention has been completed based on the above findings, and the gist of the present invention lies in the vehicle body tilt control method described below. That is, when a railway vehicle travels on a curved road, a vehicle body tilt control method for inclining a vehicle body by introducing compressed air from an air reservoir into a pair of left and right air springs that support the vehicle body on a carriage. When the pressure of the compressed air in the air reservoir is detected, and when the case where the air reservoir pressure falls below the first threshold value due to the introduction of the compressed air into the air spring, the compressed air is supplied to the air reservoir.
- the compressor is driven and the introduction amount of compressed air from the air reservoir to the air spring is continued, but the introduction amount is limited to less than the replenishment amount of compressed air from the compressor to the air reservoir, and the air reservoir pressure is braked on the railway vehicle.
- the vehicle body tilt control method for a railway vehicle is characterized by ensuring a pressure that is at least as high as that required for operation of the vehicle.
- the amount of compressed air introduced into the air spring is limited, and the air reservoir pressure is equal to or higher than the second threshold value exceeding the first threshold value as the compressed air is supplied by the compressor.
- the driving of the compressor is stopped and the restriction on the amount of compressed air introduced into the air spring is released.
- an absolute pressure the first threshold value P 1 may be set by the following equation (1)
- the threshold P 2 of the second the equation (2) below Can be set.
- P 1 P 0 + ⁇ ⁇ Pm ⁇ k ⁇ A / V ⁇ T
- P 2 P 0 + ⁇ ⁇ Pm ⁇ k ⁇ A / V ⁇ T + ⁇ ⁇ Pm ⁇ A / V ⁇ T
- P 0 Air reservoir pressure [kPa] required for brake operation as a minimum
- Pm average value of air reservoir pressure [kPa]
- k correction coefficient
- B Amount of compressed air supplied from the compressor to the air reservoir [m 3 / s]
- A Amount of introduction of compressed air from the air reservoir to the air spring in an unrestricted state [m 3 / s]
- V Volume of air reservoir [m 3 ]
- T Time lag
- the compressor is driven and the amount of compressed air introduced into the air spring is controlled by the compressor when the air reservoir pressure becomes equal to or less than a predetermined pressure when traveling on a curved road.
- the amount of compressed air By limiting the amount of compressed air to less than or equal to the replenishment amount, the tilt angle of the vehicle body decreases, but the vehicle body tilt is executed, so that deterioration in ride comfort can be suppressed, and more compressed air is consumed than is consumed. Since the air reservoir is replenished from the compressor, the air reservoir pressure can be ensured to be equal to or higher than the minimum pressure required for the operation of the brake, and the brake operation is not hindered.
- FIG. 1 is a schematic diagram showing a configuration example of a railway vehicle equipped with a vehicle body tilting device to which the vehicle body tilt control method of the present invention can be applied.
- FIG. 2 is a flowchart for explaining a control operation by the vehicle body tilt control method of the present invention.
- FIG. 1 is a schematic diagram showing a configuration example of a railway vehicle equipped with a vehicle body tilting device to which the vehicle body tilt control method of the present invention can be applied. This figure shows a state in which the vehicle body is tilted when traveling on a curved road.
- the railway vehicle 1 includes a vehicle body 2 and a carriage 3 that supports the vehicle body 2 in the front-rear direction and travels on the rail 4.
- the vehicle body 2 is elastically supported by a pair of air springs 5 interposed between the vehicle 3 and the left and right.
- the railway vehicle 1 includes a vehicle body tilting device that tilts the vehicle body 2 with respect to the carriage 3 in order to tilt the vehicle body 2 toward the inner track side when traveling on a curved road.
- an air pipe 11 extending from an air reservoir (air tank) 6 to each air spring 5 is disposed, and a tilt control valve 12 is interposed in the path of the air pipe 11.
- the inclination control valve 12 is connected to the control unit 7 and operates according to a command from the control unit 7.
- the air reservoir 6 is connected to a compressor 8 that generates compressed air and replenishes the air reservoir 6.
- the compressor 8 operates according to a command from the control unit 7.
- a pressure gauge 9 is installed in the air reservoir 6.
- the pressure gauge 9 detects the pressure of the compressed air stored in the air reservoir 6, that is, the air reservoir pressure, and sends the detection signal to the control unit 7.
- the air reservoir 6 here includes not only a main tank directly connected to the compressor 8 and mainly storing compressed air, but also an auxiliary tank used only for leaning the vehicle body.
- air spring height detection sensors 13 for detecting the height of each air spring 5 are provided on both the left and right sides. Based on the output signal from the air spring height detection sensor 13, the control unit 7 sequentially grasps the height of the air spring 5, and further the inclination angle of the vehicle body 2 from the air spring height. This is to ensure proper operation.
- a rotation angle sensor such as a resolver or an encoder can be employed.
- the basic control operation when the vehicle body is tilted as when traveling on a curved road at high speed is as follows. Based on the trajectory information of the curved road, the control unit 7 selects an appropriate inclination angle ⁇ of the vehicle body 2 from a database registered in advance in its own memory, and the vehicle body 2 is inclined at the appropriate predetermined inclination angle ⁇ . The tilt control valve 12 is actuated to do this.
- the height of the air spring 5 on the outer gauge side (right side in FIG. 1) of the left and right air springs 5 is made higher than the height of the air spring 5 on the inner gauge side (left side in FIG. 1).
- compressed air is introduced from the air reservoir 6 through the air pipe 11 to the air spring 5 on the outer gauge side by the operation of the inclination control valve 12 on the outer gauge side. (Refer to the solid arrow in FIG. 1).
- the air in the inner spring air spring 5 is discharged to the outside through the air pipe 11 (see the broken line arrow in FIG. 1).
- the control unit 7 sequentially acquires the output signal from the air spring height detection sensor 13 to detect the height of the air spring 5, and further sequentially grasps the inclination angle of the vehicle body 2 from the air spring height. is doing. Then, the control unit 7 continuously operates the inclination control valve 12 so that the inclination angle of the vehicle body 2 to be sequentially detected becomes an appropriate predetermined inclination angle ⁇ , and supply / exhaust of compressed air to the air spring 5. I do.
- the railcar 1 can incline the vehicle body 2 with respect to the carriage 3 at an appropriate predetermined inclination angle ⁇ when traveling on a curved road.
- Vehicle Body Tilt Control Method In the above-described basic vehicle body tilt control, the vehicle body 2 is inclined at an appropriate predetermined inclination angle ⁇ when traveling on a curved road, so that riding comfort can be improved. However, if such a vehicle body tilt is executed in a continuous section of the curved road, the compressed air in the air reservoir 6 is consumed significantly, so that the air reservoir pressure decreases excessively and the brake of the railway vehicle 1 is reduced. Operation may be disturbed. Therefore, in the vehicle body tilt control method of the present invention, the following control is performed in addition to the above basic control.
- FIG. 2 is a flowchart for explaining a control operation by the vehicle body tilt control method of the present invention.
- the control unit 7 controls the pressure gauge 9 installed in the air reservoir 6 in step # 5.
- the detection signal is sequentially acquired from the air and the air reservoir pressure is detected.
- the control unit 7 sequentially determines whether the air reservoir pressure is the first threshold value P 1 or less.
- compressed air is introduced from the air reservoir 6 to the air spring 5 and the compressed air in the air reservoir 6 is consumed as the vehicle body is tilted at an appropriate predetermined inclination angle ⁇ . It gradually decreases.
- the first threshold value P 1 at least, the value of the above pressure the minimum required to operate the brake is set.
- the first threshold value P 1 is registered in advance in the memory of the control unit 7.
- step # 10 if the air reservoir pressure exceeds the first threshold value P 1, the process proceeds to step # 15, without limiting the introduction of compressed air to the air springs 5, the body 2 proper predetermined Is maintained at the inclination angle ⁇ . In this case, since the air reservoir pressure is greater than the first threshold value P 1, and the air reservoir pressure is secured over the pressure to minimum required to operate the brake, there is no trouble in operation of the brake.
- step # 10 if the air reservoir pressure reaches the first threshold value P 1 or less, the process proceeds to step # 20 and # 25, thereby simultaneously restoring air reservoir pressure By keeping the consumption of compressed air Transition to pressure recovery mode. That is, in step # 20, the control unit 7 drives the compressor 8. Thereby, compressed air is replenished to the air reservoir 6 in which the pressure has decreased.
- step # 25 the control unit 7 continues the introduction of the compressed air from the air reservoir 6 to the air spring 5, while restricting the introduction amount to be equal to or less than the replenishment amount of the compressed air by the compressor 8.
- the inclination angle is lowered from an appropriate predetermined inclination angle ⁇ . This is because the inclination angle of the vehicle body 2 decreases almost in proportion to the decrease in the amount of compressed air introduced into the air spring 5.
- the control unit 7 selects an inclination angle ⁇ L smaller than a predetermined predetermined inclination angle ⁇ corresponding to the pressure recovery mode from a database registered in advance in its own memory, and the vehicle body 2 actuating the tilt control valve 12 to tilt at the tilt angle theta L of the pressure recovery mode. Thereby, the consumption of compressed air accompanying a vehicle body inclination is reduced.
- step # 20 and # 25 pressure recovery mode By moving such a step # 20 and # 25 pressure recovery mode, although the inclination angle of the vehicle body 2 is suppressed to an appropriate predetermined inclination angle theta is less than the inclination angle theta L, since the vehicle body inclination is performed , Deterioration of ride comfort can be suppressed.
- the amount of compressed air consumption associated with the leaning of the vehicle body is reduced, and more compressed air than is consumed is replenished from the compressor 8 to the air reservoir 6, so that the air reservoir pressure is at least required for the operation of the brake The pressure can be secured above the pressure, and there will be no trouble in operating the brake.
- the control unit 7 sequentially obtains detection signals from the pressure gauge 9 in step # 30 to obtain the air reservoir pressure. detected at the next step # 35, the air reservoir pressure is successively determines whether a second threshold value P 2 or more.
- the second threshold value P 2 the value exceeds the first threshold value P 1 is set.
- the second threshold value P 2 is also registered in advance in the memory of the control unit 7.
- step # 35 it determines if the air reservoir pressure falls below the second threshold value P 2, maintains the pressure recovery mode.
- step # 35 the air reservoir pressure is when it becomes the second threshold value P 2 or more
- the process proceeds to step # 40 and # 45 to release the pressure recovery mode. That is, the control unit 7 stops the drive of the compressor 8 at step # 40, and at the same time, at step # 45, the control unit 7 releases the restriction on the amount of compressed air introduced into the air spring 5, and The inclination angle is returned to an appropriate predetermined inclination angle ⁇ . Thereby, riding comfort can be improved again.
- Step # 5 return to Step # 5 and repeat the above control operation.
- the above control operation is forcibly terminated.
- the first threshold value P 1 and the second threshold value P 2 The following shows a first example of a threshold value P 1 and the second threshold value P 2, which can be employed in the vehicle body tilt control method of the present invention described above.
- the first threshold value P 1 [kPa] is an absolute pressure and is set by the following equation (1)
- the second threshold value P 2 [kPa] is an absolute pressure and is set by the following equation (2). Can do. Also, usually, the first threshold value P 1 is higher than the value set by (1), the second threshold value P 2 is set higher than the value set by the equation (2).
- P 1 P 0 + ⁇ ⁇ Pm ⁇ k ⁇ A / V ⁇ T (1)
- P 2 P 0 + ⁇ ⁇ Pm ⁇ k ⁇ A / V ⁇ T + ⁇ ⁇ Pm ⁇ A / V ⁇ T (2)
- P 0 Air reservoir pressure [kPa] required for brake operation as a minimum
- Pm average value of air reservoir pressure [kPa]
- k correction coefficient
- B Amount of compressed air supplied from the compressor to the air reservoir [m 3 / s]
- A Amount of introduction of compressed air from the air reservoir to the air spring in an unrestricted state [m 3 / s]
- V Volume of air reservoir [m 3 ]
- T Time lag [s] from the start of driving in the compressor to the start of discharge of compressed air.
- the first threshold value P 1 represented by the above equation (1) and the second threshold value P 2 represented by the above equation (2) are those in consideration of the actual operating characteristics of the compressor 8. That is, in the operation of the compressor 8, a certain time lag T is generated from the start of driving until the stable supply of compressed air starts. During this time lag T, since the compressed air is not supplied to the air reservoir 6, the compressed air in the air reservoir 6 is only consumed as the vehicle body tilts.
- the process proceeds to pressure recovery mode by the threshold P 1 as the starting point, even consumption amount introduced is limited compressed air is reduced during the time lag T, It is necessary to make sure that the air reservoir pressure does not fall below the minimum pressure required for brake operation. Therefore, the above equation (1) takes into account the consumption of compressed air at the time lag T due to the introduction of limited compressed air by the second term ( ⁇ ⁇ Pm ⁇ k ⁇ A / V ⁇ T). .
- the average value Pm of the air reservoir pressure is appropriately set in consideration of the normal use state of the air reservoir pressure.
- the thresholded P 2 pressure recovery mode by starting at the release, with the compressor 8 is stopped, the consumption without limitation introduction amount of compressed air is increased Therefore, it is necessary to avoid re-entering the pressure recovery mode immediately after the pressure recovery mode is released. For this reason, the above expression (2) takes into account the consumption of compressed air at the time lag T due to the introduction of unrestricted compressed air by the third term ( ⁇ ⁇ Pm ⁇ A / V ⁇ T).
- the threshold P 2 of the second represented by the above formula (2), by substituting equation (1) can also be expressed by the following expression (3).
- P 2 P 1 + ⁇ ⁇ Pm ⁇ A / V ⁇ T (3)
- the correction coefficient k can be arbitrarily determined as long as the condition of B / A or lower ( ⁇ B / A) is satisfied.
- the compressor discharge rate is 1600 [NL / min]
- the average value of the air reservoir pressure is 800 [kPa] as the gauge pressure.
- the correction coefficient k is set to a value of 0.54 or less, for example 0.5.
- the expression (3) ((2)) from equation, the second threshold value P 2 is as follows.
- the vehicle body tilt control method of the present invention it is possible to suppress the deterioration of the ride comfort even when the air reservoir pressure is equal to or lower than a specified pressure when traveling on a curved road.
- the air reservoir pressure can be ensured to be equal to or higher than the minimum pressure required for the operation of the brake, and no trouble occurs in the operation of the brake.
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Abstract
Description
P1=P0+γ×Pm×k×A/V×T …(1)
P2=P0+γ×Pm×k×A/V×T+γ×Pm×A/V×T …(2)
ただし、上記の(1)式、(2)式中、
P0:ブレーキの作動に最低限必要とする空気溜め圧[kPa]、
γ:ポリトープ指数、
Pm:空気溜め圧の平均値[kPa]、
k:補正係数;<B/A、
B:コンプレッサから空気溜めへの圧縮空気の補給量[m3/s]、
A:空気溜めから空気バネへの圧縮空気の制限しない状態での導入量[m3/s]、
V:空気溜めの容積[m3]、および
T:コンプレッサにおける駆動開始から圧縮空気の吐出開始までのタイムラグ[s]。
図1は、本発明の車体傾斜制御方法を適用できる車体傾斜装置を搭載した鉄道車両の構成例を示す模式図である。同図では、曲線路の走行時に車体傾斜を実行している状態を示している。
上述した車体傾斜の基本的な制御では、曲線路の走行時に車体2が適正な所定の傾斜角度θに傾斜するため、乗り心地を向上させることができる。ただし、このような車体傾斜が曲線路の連続する区間で実行されると、空気溜め6内の圧縮空気が著しく消費されることから、空気溜め圧が過剰に低下し、鉄道車両1のブレーキの作動に支障が生じるおそれがある。そこで、本発明の車体傾斜制御方法では、上記の基本的な制御に加え、以下に示す制御を行う。
以下に、上述した本発明の車体傾斜制御方法で採用できる第1の閾値P1および第2の閾値P2の一例を示す。第1の閾値P1[kPa]は、絶対圧で、下記の(1)式により設定し、第2の閾値P2[kPa]は、絶対圧で、下記の(2)式により設定することができる。また、通常は、第1の閾値P1は(1)式により設定される値より高く、第2の閾値P2は、(2)式により設定される値より高く設定される。
P2=P0+γ×Pm×k×A/V×T+γ×Pm×A/V×T …(2)
ただし、上記の(1)式、(2)式中、
P0:ブレーキの作動に最低限必要とする空気溜め圧[kPa]、
γ:ポリトープ指数、
Pm:空気溜め圧の平均値[kPa]、
k:補正係数;<B/A、
B:コンプレッサから空気溜めへの圧縮空気の補給量[m3/s]、
A:空気溜めから空気バネへの圧縮空気の制限しない状態での導入量[m3/s]、
V:空気溜めの容積[m3]、および
T:コンプレッサにおける駆動開始から圧縮空気の吐出開始までのタイムラグ[s]。
P2=P1+γ×Pm×A/V×T …(3)
B=1600/2/60×101.3/(800+101.3)≒1.5[L/s]=1.5×10-3[m3/s]
A=1500/60×101.3/(800+101.3)≒2.8[L/s]=2.8×10-3[m3/s]
P1=590+1.4×(800+101.3)×0.5×2.8/300×10=590+59=649[kPa]
P2=649+1.4×(800+101.3)×2.8/300×10=649+118=767[kPa]
5:空気バネ、 6:空気溜め、 7:制御部、
8:コンプレッサ、 9:圧力計、 11:空気配管、
12:傾斜制御弁、 13:空気バネ高さ検知センサ、
P1:第1の閾値、 P2:第2の閾値
Claims (4)
- 鉄道車両が曲線路を走行する際に、台車上で車体を支持する左右に一対の空気バネに空気溜めから圧縮空気を導入して車体を傾斜させる鉄道車両の車体傾斜制御方法であって、
空気溜め内の圧縮空気の圧力を検知し、この空気溜め圧が空気バネへの圧縮空気の導入に伴って第1の閾値以下となった場合を検知したとき、空気溜めに圧縮空気を補給するコンプレッサを駆動させるとともに、空気溜めから空気バネへの圧縮空気の導入を継続しつつその導入量をコンプレッサから空気溜めへの圧縮空気の補給量以下に制限し、空気溜め圧を鉄道車両のブレーキの作動に最低限必要とする圧力以上に確保する
ことを特徴とする鉄道車両の車体傾斜制御方法。 - 前記第1の閾値P1は、絶対圧で、下記の(1)式により設定する
ことを特徴とする請求項1に記載の鉄道車両の車体傾斜制御方法。
P1=P0+γ×Pm×k×A/V×T …(1)
ただし、上記の(1)式中、
P0:ブレーキの作動に最低限必要とする空気溜め圧[kPa]、
γ:ポリトープ指数、
Pm:空気溜め圧の平均値[kPa]、
k:補正係数;<B/A、
B:コンプレッサから空気溜めへの圧縮空気の補給量[m3/s]、
A:空気溜めから空気バネへの圧縮空気の制限しない状態での導入量[m3/s]、
V:空気溜めの容積[m3]、および
T:コンプレッサにおける駆動開始から圧縮空気の吐出開始までのタイムラグ[s]。 - 空気バネへの圧縮空気の導入量を制限している状態で、空気溜め圧がコンプレッサによる圧縮空気の補給に伴って前記第1の閾値を超える第2の閾値以上となった場合を検知したとき、コンプレッサの駆動を停止させるとともに、空気バネへの圧縮空気の導入量の制限を解除する
ことを特徴とする請求項1または2に記載の鉄道車両の車体傾斜制御方法。 - 前記第2の閾値P2は、絶対圧で、下記の(2)式により設定する
ことを特徴とする請求項3に記載の鉄道車両の車体傾斜制御方法。
P2=P0+γ×Pm×k×A/V×T+γ×Pm×A/V×T …(2)
ただし、上記の(2)式中、
P0:ブレーキの作動に最低限必要とする空気溜め圧[kPa]、
γ:ポリトープ指数、
Pm:空気溜め圧の平均値[kPa]、
k:補正係数;<B/A、
B:コンプレッサから空気溜めへの圧縮空気の補給量[m3/s]、
A:空気溜めから空気バネへの圧縮空気の制限しない状態での導入量[m3/s]、
V:空気溜めの容積[m3]、および
T:コンプレッサにおける駆動開始から圧縮空気の吐出開始までのタイムラグ[s]。
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CA2830884A CA2830884C (en) | 2011-03-31 | 2012-03-06 | Method for control of vehicle body tilting of railway vehicle |
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CN201280016610.XA CN103459233B (zh) | 2011-03-31 | 2012-03-06 | 铁路车辆的车体倾斜控制方法 |
US14/008,198 US9238471B2 (en) | 2011-03-31 | 2012-03-06 | Method for control of vehicle body tilting of railway vehicle |
EP12764173.6A EP2692608B1 (en) | 2011-03-31 | 2012-03-06 | Method for controlling body lean of railroad car |
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JP4850978B1 (ja) * | 2011-05-09 | 2012-01-11 | ピー・エス・シー株式会社 | 車体傾斜装置及び車体傾斜装置に用いられる二層三方弁 |
JP5912898B2 (ja) * | 2012-06-18 | 2016-04-27 | 川崎重工業株式会社 | 鉄道車両用台車 |
ITMI20130609A1 (it) * | 2013-04-12 | 2014-10-13 | Rolic Internat S A R L | Carrello per impianti di trasporto a fune e impianto di trasporto a fune comprendente tale carrello |
CN104454479B (zh) * | 2014-12-09 | 2016-08-17 | 南车株洲电力机车有限公司 | 一种轨道车辆压缩机的控制方法 |
DE102015112015B3 (de) | 2015-07-23 | 2016-09-29 | Bombardier Transportation Gmbh | Luftfederanordnung für schienenfahrzeug und schienenfahrzeug mit luftfederanordnung |
US10632820B2 (en) * | 2016-10-20 | 2020-04-28 | Toyota Motor Engineering & Manufacturing North America, Inc. | AC cut cycles for vehicle air conditioning control based on high vehicle pitch conditions |
CN109094597B (zh) * | 2018-07-16 | 2019-09-27 | 中车株洲电力机车有限公司 | 地铁车辆空气弹簧供风系统、控制方法和地铁车辆 |
JP7220561B2 (ja) * | 2018-12-26 | 2023-02-10 | ナブテスコ株式会社 | 鉄道車両用空気圧縮システム |
CN112441030B (zh) * | 2019-08-30 | 2022-07-15 | 比亚迪股份有限公司 | 用于轨道车辆的风源系统、轨道车辆和风源系统的控制方法 |
FR3108300B1 (fr) * | 2020-03-23 | 2022-04-01 | Alstom Transp Tech | Véhicule ferroviaire et procédé associé |
CN111976781B (zh) * | 2020-08-25 | 2021-08-10 | 中车山东机车车辆有限公司 | 一种铁路货车用独立供风制动系统及使用方法 |
CN112046532B (zh) * | 2020-09-18 | 2021-11-12 | 中车青岛四方机车车辆股份有限公司 | 主动倾摆装置及控制方法、转向架悬挂系统、轨道车辆 |
CN112896215B (zh) * | 2021-02-04 | 2022-04-08 | 中车青岛四方车辆研究所有限公司 | 一种轨道交通用主动倾摆系统 |
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CN103459233B (zh) | 2016-01-20 |
TW201304990A (zh) | 2013-02-01 |
CA2830884A1 (en) | 2012-10-04 |
TWI438109B (zh) | 2014-05-21 |
US20140020595A1 (en) | 2014-01-23 |
JPWO2012132240A1 (ja) | 2014-07-24 |
EP2692608A4 (en) | 2015-05-06 |
JP5397566B2 (ja) | 2014-01-22 |
EP2692608A1 (en) | 2014-02-05 |
CA2830884C (en) | 2015-05-05 |
EP2692608B1 (en) | 2016-06-01 |
US9238471B2 (en) | 2016-01-19 |
CN103459233A (zh) | 2013-12-18 |
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