JP2004306865A - Sliding control device for railway vehicles - Google Patents

Sliding control device for railway vehicles Download PDF

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Publication number
JP2004306865A
JP2004306865A JP2003105596A JP2003105596A JP2004306865A JP 2004306865 A JP2004306865 A JP 2004306865A JP 2003105596 A JP2003105596 A JP 2003105596A JP 2003105596 A JP2003105596 A JP 2003105596A JP 2004306865 A JP2004306865 A JP 2004306865A
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Japan
Prior art keywords
sliding
braking force
railway vehicle
axle
control device
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JP4184137B2 (en
Inventor
Yasuharu Itano
康晴 板野
Mamoru Tanaka
守 田中
Masayuki Ueno
雅之 上野
Satoshi Kikuno
敏 菊野
Hajime Ito
一 伊藤
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Mitsubishi Electric Corp
Central Japan Railway Co
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Mitsubishi Electric Corp
Central Japan Railway Co
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Abstract

【課題】ブレーキ作用時で車輪滑走発生時、非滑走軸に滑走を誘発しないようにより適切にブレーキ力を増減させ、車輪滑走を抑制する鉄道車両用滑走制御装置を提供する。
【解決手段】走行する鉄道車両のブレーキ作用時に発生する車輪滑走を抑制する鉄道車両用滑走制御装置であって、各車軸の回転速度に基づき滑走を判定する滑走判断手段１〜５と、この滑走判断手段の判定に基づき、滑走軸の滑走回数に応じて、非滑走軸のブレーキ力を増加させるように各車軸のブレーキ力を制御する信号を発生する滑走量・ブレーキ力増減量判定手段８０と、を備えた。
【選択図】 図１A sliding control device for a railway vehicle that suppresses wheel sliding by appropriately increasing or decreasing a braking force so as not to induce sliding on a non-sliding axis when wheel sliding occurs during braking action.
Kind Code: A1 Abstract: A sliding control device for a railway vehicle, which suppresses the sliding of wheels generated when a running railway vehicle brakes, comprising: sliding determining means for determining sliding based on the rotational speed of each axle; A glide amount / brake force increase / decrease amount determination means for generating a signal for controlling the braking force of each axle so as to increase the braking force of the non-sliding axis in accordance with the number of times of the sliding axis based on the determination by the determination means; , With.
[Selection diagram] Fig. 1

Description

【０００１】
【発明の属する技術分野】
この発明は、電気車両において、ブレーキ作用中における車輪の滑走を検出してブレーキ力を制御する鉄道車両用滑走制御装置に関するものである。
【０００２】
【従来の技術】
図５は従来の鉄道車両用滑走制御装置の構成を示すブロック図である。図５において、１ａ〜１ｄは速度センサ、２は速度入力部、３は速度差検出部、４は加減速度検出部、５は滑走発生を判断する判断部、８は滑走量判定部、６は出力部、７は滑走防止弁である。
【０００３】
速度入力部２は、１車両２台車の４車軸に設けられそれぞれの車軸の回転速度を検出する速度センサ１ａ、１ｂ、１ｃ、１ｄからの信号を入力する。速度差検出部３は、４車軸の速度の内で最大軸を基準軸速度（滑走を生じていない車軸の速度に相当する）としてこの基準軸速度と各車軸の速度との差を検出する。加減速度検出部４は、各速度センサ１からの速度信号を微分して加減速度を検出する。判断部５は、両検出部３，４の出力が予め設定した設定値を越えた時に滑走発生と判断する。滑走量判定部８は、判断部５より滑走と判断した時の滑走量を算出する。出力部６は、判定結果に基づき滑走した車輪の滑走防止弁７を制御する。
【０００４】
ここで、滑走防止弁７は滑走の状態に応じて圧縮空気をブレーキシリンダから排気してブレーキシリンダ圧を低下させたり、その後のブレーキシリンダ圧を保持したり、あるいは、再び、圧縮空気をブレーキシリンダに供給してブレーキシリンダ圧を高めたりすることにより滑走車輪を再粘着させる。
【０００５】
【発明が解決しようとする課題】
従来の鉄道車両用滑走制御装置は上記のように構成されているので、雨天で車輪−レール間が低粘着状態により、滑走が発生している場合を想定すると、前・後台車の軸重移動を考慮していないために、ブレーキ作用時、進行方向の台車に軸重が移動するので、非滑走軸に滑走を誘発することになり、また、車輪滑走時においても非滑走軸の滑走を誘発するという問題点があった。
【０００６】
この発明は上記のような問題点を解消するためになされたもので、ブレーキ作用時で車輪滑走発生時、非滑走軸に滑走を誘発しないようにより適切にブレーキ力を増減させ、車輪滑走を抑制する鉄道車両用滑走制御装置を提供することを目的とする。
【０００７】
【課題を解決するための手段】
上記の目的に鑑み、この発明は、走行する鉄道車両のブレーキ作用時に発生する車輪滑走を抑制する鉄道車両用滑走制御装置であって、各車軸の回転速度に基づき滑走を判定する滑走判断手段と、この滑走判断手段の判定に基づき、滑走軸の滑走回数に応じて、非滑走軸のブレーキ力を増加させるように各車軸のブレーキ力を制御する信号を発生する滑走量・ブレーキ力増減量判定手段と、を備えたことを特徴とする鉄道車両用滑走制御装置にある。
【０００８】
また、走行する鉄道車両のブレーキ作用時に発生する車輪滑走を抑制する鉄道車両用滑走制御装置であって、各車軸の回転速度に基づき滑走を判定する滑走判断手段と、各車軸でのブレーキ力増加を示す信号を入力すると共に前記滑走判断手段の判定に基づき、ブレーキ作用時に軸重の増加する非滑走軸のブレーキ力の増加量に応じて、軸重の軽減される滑走軸のブレーキ力を低減するように各車軸のブレーキ力を制御する信号を発生する滑走量・ブレーキ力増減量判定手段と、を備えたことを特徴とする鉄道車両用滑走制御装置にある。
【０００９】
また、走行する鉄道車両のブレーキ作用時に発生する車輪滑走を防止する鉄道車両用滑走制御装置において、車両の走行方向を示す前後切換信号を入力し、予め軸重移動により滑走しにくい状態になる前台車はブレーキ力を増加させ、その分、後台車はブレーキ力を減少させるように各車軸のブレーキ力を制御する信号を発生するブレーキ力増減量判定手段を備えたことを特徴とする鉄道車両用滑走制御装置にある。
【００１０】
【発明の実施の形態】
実施の形態１．
図１はこの発明の実施の形態１による鉄道車両用滑走制御装置の構成を示すブロック図である。図において、図５に示す従来のものと同一もしくは相当部分は同一符号で示し、説明は省略する。８０は滑走量・ブレーキ力増減量判定部である。
【００１１】
車輪滑走発生時、判断部５で滑走軸、非滑走軸を判断し、滑走軸の滑走量及び非滑走軸のブレーキ力増減量を滑走量・ブレーキ力増減量判定部８０で算出し、出力部６を経由して滑走軸は滑走防止弁７を用いてブレーキ力を低減し、非滑走軸は、出力部６を経由して滑走防止弁７を用いてブレーキ力を増加する。
【００１２】
滑走量・ブレーキ力増減量判定部８０では、先頭車の滑走軸（後台車）の１滑走中の滑走回数に応じて非滑走軸（前台車）のブレーキ力増加量を算出し、例えば、１滑走中に
１回目滑走時には非滑走軸のブレーキ力増加量を１０％
２回目滑走時には非滑走軸のブレーキ力増加量を１５％
３回目滑走時には非滑走軸のブレーキ力増加量を２０％
とすることで、非滑走軸のブレーキ力の増減を図る。
【００１３】
なお、鉄道車両の走行方向を示す前後進切換信号（後述の実施の形態３のものと同様なもの）を速度入力部２、速度差検出部３、加減速度検出部４、判断部５、滑走量・ブレーキ増減量判定部８０等の少なくともいずれか１つに入力することで、速度センサ１ａ〜１ｄからの信号がそれぞれ前台車（非滑走軸を含む）、後台車（滑走軸を含む）のいずれからのものかが事前に判断できる。
【００１４】
実施の形態２．
図２はこの発明の実施の形態２による鉄道車両用滑走制御装置の構成を示すブロック図である。滑走量・ブレーキ増減量判定部８０ａに必要ブレーキ力１０、各車軸（４軸分）毎のブレーキ力増加信号９ａ、９ｂ、９ｃ、９ｄを入力した点が実施の形態１と異なる。なお、ブレーキ力増加信号９ａ、９ｂ、９ｃ、９ｄは、例えば各車軸毎の軸重（加重量）を測定する加重計からの信号とする。
【００１５】
車輪滑走発生時は実施の形態１と同様な動作であり、ブレーキ作用時、各軸（４軸分）に関するブレーキ力増加信号９ａ〜９ｄ、および必要ブレーキ力信号１０を滑走量・ブレーキ力増減量判定部８０ａに入力することで、滑走量・ブレーキ力増減量判定部８０ａでは、軸重移動により軸重の増加する非滑走軸（前台車）のブレーキ力の増加量（増加したブレーキ力と必要ブレーキ力の関係）に応じて、軸重の軽減される滑走軸（後台車）のブレーキ力低減量（低減するブレーキ力と必要ブレーキ力の関係）を算出し、出力部６を経由して滑走防止弁７を用いてブレーキ力を低減することで、車両で必要なブレーキ力を確保する。
【００１６】
実施の形態３．
図３はこの発明の実施の形態３による鉄道車両用滑走制御装置の構成を示す部分ブロック図である。ブレーキ力加減量判定部８０ｂではブレーキ作用時、車両に必要なブレーキ力を示す必要ブレーキ力信号１０と前後進切換信号１５を入力する。ブレーキ力加減量判定部８０ｂでは前後進切換信号１５により１車両における前台車と後台車を判断することが可能となる。
【００１７】
従って、ブレーキ作用中、予め前台車は軸重移動により滑走しにくい状態になるために、必要ブレーキ力信号１０から荷重の１０％増加させ、すなわち、
【００１８】
（増加分）＝（荷重）×０．１（１０％）
【００１９】
を加えたブレーキ力として算出し、その増加分だけ後台車で低減させることで、前・後台車の車輪滑走の発生を未然に防止する。
【００２０】
実施の形態４．
また、従来の鉄道車両用滑走制御装置は１重系構成のため、故障した場合、新幹線車両用滑走制御装置の機能が不能となる。そこでこの実施の形態では、予備系鉄道車両用滑走制御装置を追加し、お互いを相互監視することで、万一故障した場合、自動的に切換えるようにした。
【００２１】
図４はこの発明の実施の形態４による鉄道車両用滑走制御装置の構成を示すブロック図である。上記実施の形態１〜３による車両用滑走制御装置を通常系と位置付け、通常系と共用する速度センサ１ａ〜１ｄ、ブレーキ力増加信号９ａ〜１９ｄ、滑走防止弁７、必要ブレーキ力信号１０、前後進切換信号１５、独立した速度入力部２Ｘ、速度差検出部３Ｘ、加減速度検出部４Ｘ、判断部５Ｘ、出力部６Ｘ、滑走量・ブレーキ力増減量判定部８０Ｘ、および監視信号１１で構成する予備系車両用滑走制御装置を追加する。
【００２２】
通常系と予備系については滑走量・ブレーキ力増減量判定部８０間で監視信号１１にて互いを監視し、一定時間内に応答が無い場合もしくは通常系、予備系で認識する速度に速度差が発生した場合、予備系に自動的に切換える構成である。
【００２３】
なお、上記各実施の形態は、適宜組み合わせが可能であり、実施の形態１〜３の装置はそれぞれ、実施の形態４のように通常系と予備系を組み合わせて構成してもよい。
【００２４】
【発明の効果】
以上のようにこの発明によれば、走行する鉄道車両のブレーキ作用時に発生する車輪滑走を抑制する鉄道車両用滑走制御装置であって、各車軸の回転速度に基づき滑走を判定する滑走判断手段と、この滑走判断手段の判定に基づき、滑走軸の滑走回数に応じて、非滑走軸のブレーキ力を増加させるように各車軸のブレーキ力を制御する信号を発生する滑走量・ブレーキ力増減量判定手段と、を備えたことを特徴とする鉄道車両用滑走制御装置としたので、滑走状況に応じてロスしたブレーキ力量を補うようにブレーキ力を増加させることにより所望のブレーキ力を保ちながら滑走の抑制が行える。
【００２５】
また、走行する鉄道車両のブレーキ作用時に発生する車輪滑走を抑制する鉄道車両用滑走制御装置であって、各車軸の回転速度に基づき滑走を判定する滑走判断手段と、各車軸でのブレーキ力増加を示す信号を入力すると共に前記滑走判断手段の判定に基づき、ブレーキ作用時に軸重の増加する非滑走軸のブレーキ力の増加量に応じて、軸重の軽減される滑走軸のブレーキ力を低減するように各車軸のブレーキ力を制御する信号を発生する滑走量・ブレーキ力増減量判定手段と、を備えたことを特徴とする鉄道車両用滑走制御装置としたので、ブレーキ作用時の軸重移動によるブレーク力の変化を考慮してブレーキ力の増減を行うことにより、より適切に所望のブレーキ力を保ちながら滑走の抑制が行える。
【００２６】
また、走行する鉄道車両のブレーキ作用時に発生する車輪滑走を防止する鉄道車両用滑走制御装置において、車両の走行方向を示す前後切換信号を入力し、予め軸重移動により滑走しにくい状態になる前台車はブレーキ力を増加させ、その分、後台車はブレーキ力を減少させるように各車軸のブレーキ力を制御する信号を発生するブレーキ力増減量判定手段を備えたことを特徴とする鉄道車両用滑走制御装置としたので、予め車輪滑走を抑制することができる。
【図面の簡単な説明】
【図１】この発明の実施の形態１による鉄道車両用滑走制御装置の構成を示すブロック図である。
【図２】この発明の実施の形態２による鉄道車両用滑走制御装置の構成を示すブロック図である。
【図３】この発明の実施の形態３による鉄道車両用滑走制御装置の構成を示すブロック図である。
【図４】この発明の実施の形態４による鉄道車両用滑走制御装置の構成を示すブロック図である。
【図５】従来の鉄道車両用滑走制御装置のブロック図である。
【符号の説明】
１ａ〜１ｄ 速度センサ、２ 速度入力部、３ 速度差検出部、４ 加減速度検出部、５ 判断部、６ 出力部、７ 滑走防止弁、８０，８０ａ 滑走量・ブレーキ力増減量判定部、８０ｂ ブレーキ力増減量判定部。[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding control device for a railway vehicle, which detects a sliding of wheels during a braking operation and controls a braking force in an electric vehicle.
[0002]
[Prior art]
FIG. 5 is a block diagram showing a configuration of a conventional railroad vehicle sliding control device. In FIG. 5, 1a to 1d are speed sensors, 2 is a speed input unit, 3 is a speed difference detecting unit, 4 is an acceleration / deceleration detecting unit, 5 is a judging unit for judging the occurrence of gliding, 8 is a gliding amount judging unit, and 6 is a gliding amount judging unit. The output unit 7 is an anti-skid valve.
[0003]
The speed input unit 2 receives signals from speed sensors 1a, 1b, 1c, and 1d provided on four axles of one vehicle and two bogies and detecting rotation speeds of the respective axles. The speed difference detection unit 3 detects the difference between the reference axis speed and the speed of each axle, with the largest axis among the four axle speeds as the reference axis speed (corresponding to the speed of the axle that does not slide). The acceleration / deceleration detector 4 detects the acceleration / deceleration by differentiating the speed signal from each speed sensor 1. The judging unit 5 judges that the slide has occurred when the outputs of the two detecting units 3 and 4 exceed a preset value. The sliding amount determining unit 8 calculates the sliding amount when the determining unit 5 determines that the sliding is performed. The output unit 6 controls the anti-skid valve 7 of the wheel that slid based on the determination result.
[0004]
Here, the anti-skid valve 7 discharges the compressed air from the brake cylinder to reduce the brake cylinder pressure, keeps the brake cylinder pressure thereafter, or releases the compressed air again according to the state of the slide. To re-adhere the gliding wheels by increasing the brake cylinder pressure.
[0005]
[Problems to be solved by the invention]
Since the conventional sliding control device for railway vehicles is configured as described above, assuming that sliding occurs due to low adhesion between the wheels and the rails in rainy weather, the axle weight movement of the front and rear bogies is considered. Because the axle weight moves on the bogie in the direction of travel when braking, the non-sliding axis will be slid, and the non-sliding axis will also be slid when the wheels are slid. There was a problem of doing.
[0006]
The present invention has been made in order to solve the above-mentioned problems, and when a wheel slide occurs during a braking operation, the brake force is appropriately increased or decreased so as not to induce the sliding on the non-sliding axis, and the wheel slide is suppressed. It is an object of the present invention to provide a sliding control device for railway vehicles.
[0007]
[Means for Solving the Problems]
In view of the above-mentioned object, the present invention is a sliding control device for a railway vehicle that suppresses wheel sliding that occurs during a braking action of a running railway vehicle, and a sliding determining unit that determines the sliding based on the rotation speed of each axle. Based on the determination of the sliding determination means, determines a sliding amount / braking force increase / decrease amount that generates a signal for controlling the braking force of each axle so as to increase the braking force of the non-sliding axis according to the number of times of sliding of the sliding axis. Means, and a sliding control device for a railway vehicle.
[0008]
Also, there is provided a sliding control device for a railway vehicle for suppressing wheel sliding that occurs when a braking operation of a running railway vehicle is performed, a sliding determining means for determining the sliding based on the rotation speed of each axle, and a braking force increase for each axle. A signal indicating that the axle load is reduced and the axle load is reduced in accordance with the increase in the braking force of the non-sliding axis, the axle load of which increases when the brake is actuated. And a sliding amount / braking force increase / decrease determining means for generating a signal for controlling a braking force of each axle.
[0009]
Further, in a sliding control device for a railway vehicle for preventing a wheel from sliding when a running railway vehicle brakes, a forward / backward switching signal indicating a traveling direction of the vehicle is inputted, and before the sliding becomes difficult due to axle load movement. The railway vehicle is provided with a braking force increase / decrease determining means for generating a signal for controlling the braking force of each axle so that the bogie increases the braking force and the rear bogie accordingly reduces the braking force. It is in the sliding control device.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Embodiment 1 FIG.
FIG. 1 is a block diagram showing a configuration of a railway vehicle sliding control device according to Embodiment 1 of the present invention. In the figure, the same or corresponding portions as those of the conventional device shown in FIG. Reference numeral 80 denotes a sliding amount / braking force increase / decrease determining unit.
[0011]
When a wheel slide occurs, the determining unit 5 determines the sliding axis and the non-sliding axis, and calculates the sliding amount of the sliding axis and the braking force increase / decrease of the non-sliding axis by the sliding / braking force increase / decrease determining unit 80, and outputs the result. 6, the sliding axis reduces the braking force by using the anti-skid valve 7, and the non-sliding axis increases the braking force by using the anti-skid valve 7 via the output unit 6.
[0012]
The sliding amount / braking force increase / decrease determining unit 80 calculates the braking force increase amount of the non-sliding axis (front bogie) in accordance with the number of times of sliding of the leading axis (rear bogie) of the leading car during one run. 10% increase in non-sliding axis braking force during first run
15% increase in non-sliding axis braking force during second run
20% increase in braking force on non-sliding axis during 3rd run
By doing so, increase or decrease the braking force of the non-sliding shaft.
[0013]
Note that a forward / backward switching signal (similar to that of a third embodiment described later) indicating the traveling direction of the railway vehicle is input to the speed input unit 2, the speed difference detection unit 3, the acceleration / deceleration detection unit 4, the determination unit 5, By inputting the signal to at least one of the amount / brake increase / decrease determination unit 80 and the like, signals from the speed sensors 1a to 1d are output from the front bogie (including the non-sliding axis) and the rear bogie (including the sliding axis), respectively. Which one comes from can be determined in advance.
[0014]
Embodiment 2 FIG.
FIG. 2 is a block diagram showing a configuration of a railway vehicle sliding control device according to Embodiment 2 of the present invention. The difference from the first embodiment is that the required braking force 10 and the braking force increase signals 9a, 9b, 9c, 9d for each axle (for four axles) are input to the sliding amount / brake increase / decrease amount determination unit 80a. The braking force increase signals 9a, 9b, 9c, 9d are, for example, signals from a weight meter that measures the axle weight (weight) of each axle.
[0015]
When a wheel slide occurs, the operation is the same as that of the first embodiment. When a brake is applied, the brake force increase signals 9a to 9d and the necessary brake force signal 10 for each axis (for four axes) are changed to the sliding amount / brake force increase / decrease amount. By inputting to the determining unit 80a, the sliding amount / braking force increase / decrease determining unit 80a determines whether the braking force of the non-sliding shaft (front bogie) whose axle load increases due to the axle load movement (the increased braking force and the required The braking force reduction amount (relationship between the reduced braking force and the required braking force) of the sliding shaft (rear bogie) whose axle load is reduced is calculated according to the braking force), and the vehicle is slid via the output unit 6. By reducing the braking force using the check valve 7, the braking force required for the vehicle is secured.
[0016]
Embodiment 3 FIG.
FIG. 3 is a partial block diagram showing a configuration of a railway vehicle sliding control device according to Embodiment 3 of the present invention. At the time of the braking operation, the braking force control unit 80b inputs a required braking force signal 10 indicating a braking force required for the vehicle and a forward / reverse switching signal 15. The braking force adjustment determining unit 80b can determine the front bogie and the rear bogie in one vehicle based on the forward / reverse switching signal 15.
[0017]
Therefore, during the braking operation, the front bogie becomes in a state in which it is difficult to slide due to axle load movement, so that the required braking force signal 10 is increased by 10% of the load from the required braking force signal 10,
[0018]
(Increase) = (load) x 0.1 (10%)
[0019]
Is calculated as the braking force to which the vehicle has been added, and the increased amount is reduced by the rear bogie, thereby preventing the front and rear bogies from sliding on wheels.
[0020]
Embodiment 4 FIG.
Further, since the conventional sliding control device for railway vehicles has a single-layer configuration, if it fails, the function of the sliding control device for Shinkansen vehicles becomes impossible. Therefore, in this embodiment, a sliding control device for a standby railway vehicle is added, and mutual monitoring is performed to each other, so that if a failure occurs, the switching is automatically performed.
[0021]
FIG. 4 is a block diagram showing a configuration of a railway vehicle sliding control device according to Embodiment 4 of the present invention. Positioning of the vehicle sliding control device according to the first to third embodiments as a normal system, a speed sensor 1a to 1d shared with the normal system, a braking force increase signal 9a to 19d, a skid prevention valve 7, a required braking force signal 10, It is composed of a forward switching signal 15, an independent speed input unit 2X, a speed difference detecting unit 3X, an acceleration / deceleration detecting unit 4X, a determining unit 5X, an output unit 6X, a sliding amount / braking force increase / decrease amount determining unit 80X, and a monitoring signal 11. Add a skidding control device for standby vehicles.
[0022]
The normal system and the standby system monitor each other with the monitoring signal 11 between the sliding amount / braking force increase / decrease amount determination unit 80, and if there is no response within a certain time or the speed difference between the normal system and the standby system is recognized. Is automatically switched to the standby system when the error occurs.
[0023]
The above embodiments can be appropriately combined with each other, and the devices of the first to third embodiments may be configured by combining the normal system and the standby system as in the fourth embodiment.
[0024]
【The invention's effect】
As described above, according to the present invention, there is provided a sliding control device for a railway vehicle that suppresses wheel sliding that occurs during a braking operation of a running railway vehicle, wherein the sliding determining unit determines the sliding based on the rotation speed of each axle. Based on the determination of the sliding determination means, determines a sliding amount / braking force increase / decrease amount that generates a signal for controlling the braking force of each axle so as to increase the braking force of the non-sliding axis according to the number of times of sliding of the sliding axis. Means, and a sliding control device for a railway vehicle characterized by comprising a braking force that is increased according to a sliding condition to compensate for a lost braking force amount, thereby maintaining a desired braking force while maintaining a desired braking force. Suppression can be performed.
[0025]
Also, there is provided a sliding control device for a railway vehicle for suppressing wheel sliding that occurs when a braking operation of a running railway vehicle is performed, a sliding determining means for determining the sliding based on the rotation speed of each axle, and a braking force increase for each axle. A signal indicating that the axle load is reduced and the axle load is reduced in accordance with the increase in the braking force of the non-sliding axis, the axle load of which increases when the brake is actuated. And a sliding amount / braking force increase / decrease determining means for generating a signal for controlling a braking force of each axle. By increasing or decreasing the braking force in consideration of the change in the braking force due to the movement, it is possible to more appropriately suppress the gliding while maintaining the desired braking force.
[0026]
Further, in a sliding control device for a railway vehicle for preventing a wheel from sliding when a running railway vehicle brakes, a forward / backward switching signal indicating a traveling direction of the vehicle is inputted, and before the sliding becomes difficult due to axle load movement. The railway vehicle is provided with a braking force increase / decrease determining means for generating a signal for controlling the braking force of each axle so that the bogie increases the braking force and the rear bogie accordingly reduces the braking force. Since the sliding control device is used, wheel sliding can be suppressed in advance.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration of a sliding control device for a railway vehicle according to a first embodiment of the present invention.
FIG. 2 is a block diagram showing a configuration of a railway vehicle sliding control device according to Embodiment 2 of the present invention.
FIG. 3 is a block diagram showing a configuration of a railway vehicle sliding control device according to Embodiment 3 of the present invention.
FIG. 4 is a block diagram showing a configuration of a railway vehicle sliding control device according to Embodiment 4 of the present invention.
FIG. 5 is a block diagram of a conventional sliding control device for a railway vehicle.
[Explanation of symbols]
1a to 1d speed sensor, 2 speed input section, 3 speed difference detection section, 4 acceleration / deceleration detection section, 5 judgment section, 6 output section, 7 anti-skid valve, 80, 80a judgment section for slip / brake force increase / decrease, 80b Brake force increase / decrease determination unit.

Claims (3)

走行する鉄道車両のブレーキ作用時に発生する車輪滑走を抑制する鉄道車両用滑走制御装置であって、
各車軸の回転速度に基づき滑走を判定する滑走判断手段と、
この滑走判断手段の判定に基づき、滑走軸の滑走回数に応じて、非滑走軸のブレーキ力を増加させるように各車軸のブレーキ力を制御する信号を発生する滑走量・ブレーキ力増減量判定手段と、
を備えたことを特徴とする鉄道車両用滑走制御装置。A sliding control device for a railway vehicle, which suppresses wheel sliding generated during a braking action of a traveling railway vehicle,
A sliding determining means for determining a sliding based on a rotation speed of each axle;
A sliding amount / braking force increase / decrease determining means for generating a signal for controlling the braking force of each axle so as to increase the braking force of the non-sliding axis according to the number of times of sliding of the sliding axis based on the determination of the sliding determining means. When,
A sliding control device for a railway vehicle, comprising: 走行する鉄道車両のブレーキ作用時に発生する車輪滑走を抑制する鉄道車両用滑走制御装置であって、
各車軸の回転速度に基づき滑走を判定する滑走判断手段と、
各車軸でのブレーキ力増加を示す信号を入力すると共に前記滑走判断手段の判定に基づき、ブレーキ作用時に軸重の増加する非滑走軸のブレーキ力の増加量に応じて、軸重の軽減される滑走軸のブレーキ力を低減するように各車軸のブレーキ力を制御する信号を発生する滑走量・ブレーキ力増減量判定手段と、
を備えたことを特徴とする鉄道車両用滑走制御装置。A sliding control device for a railway vehicle, which suppresses wheel sliding generated during a braking action of a traveling railway vehicle,
A sliding determining means for determining a sliding based on a rotation speed of each axle;
A signal indicating an increase in the braking force at each axle is input, and the axle load is reduced according to the increase in the braking force of the non-sliding axle, which increases the axle load during braking, based on the determination of the sliding determination means. A sliding amount / braking force increase / decrease determining means for generating a signal for controlling the braking force of each axle so as to reduce the braking force of the sliding shaft;
A sliding control device for a railway vehicle, comprising: 走行する鉄道車両のブレーキ作用時に発生する車輪滑走を防止する鉄道車両用滑走制御装置において、車両の走行方向を示す前後切換信号を入力し、予め軸重移動により滑走しにくい状態になる前台車はブレーキ力を増加させ、その分、後台車はブレーキ力を減少させるように各車軸のブレーキ力を制御する信号を発生するブレーキ力増減量判定手段を備えたことを特徴とする鉄道車両用滑走制御装置。In a sliding control device for a railway vehicle for preventing wheel sliding that occurs during a braking operation of a traveling railway vehicle, a front bogie that receives a front-rear switching signal indicating a traveling direction of the vehicle and is in a state in which it is difficult to slide due to axle load movement in advance is A sliding control system for a railway vehicle, comprising: a braking force increase / decrease determining means for generating a signal for controlling a braking force of each axle so that the braking force is increased and the rear bogie is reduced accordingly. apparatus.
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