JPH05654B2 - - Google Patents

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Publication number
JPH05654B2
JPH05654B2 JP63125995A JP12599588A JPH05654B2 JP H05654 B2 JPH05654 B2 JP H05654B2 JP 63125995 A JP63125995 A JP 63125995A JP 12599588 A JP12599588 A JP 12599588A JP H05654 B2 JPH05654 B2 JP H05654B2
Authority
JP
Japan
Prior art keywords
period
measurement
vibration
frequency
occurrence
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP63125995A
Other languages
Japanese (ja)
Other versions
JPH02110336A (en
Inventor
Koichi Sasaki
Takayuki Shimomura
Motohei Watanabe
Kazuo Sato
Katsuhisa Miura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Railway Technical Research Institute
Original Assignee
Railway Technical Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Railway Technical Research Institute filed Critical Railway Technical Research Institute
Priority to JP63125995A priority Critical patent/JPH02110336A/en
Publication of JPH02110336A publication Critical patent/JPH02110336A/en
Publication of JPH05654B2 publication Critical patent/JPH05654B2/ja
Granted legal-status Critical Current

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Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は輸送機関の乗り心地を評価するための
動揺発生頻度の測定評価方法及びその測定装置に
関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a method for measuring and evaluating the frequency of occurrence of vibration for evaluating the ride comfort of a transportation facility, and a measuring device therefor.

〔従来の技術〕[Conventional technology]

従来の輸送機関の乗り心地を評価する方法とし
て、例えば鉄道技術研究資料38−8(1981−3,
P127 3134)に示されるようなものが知られてい
る。
As a method for evaluating the ride comfort of conventional transportation, for example, Railway Technology Research Materials 38-8 (1981-3,
P127 3134) is known.

この方法においては、輸送機関の乗り心地を評
価するために、その輸送機関の振動の加速度を求
めるものであり、測定した振動に人体の等間隔曲
線などによつて周波数毎の重み付けなどの信号処
理を施すものである。
In this method, in order to evaluate the ride comfort of a transportation vehicle, the acceleration of the vibration of the transportation vehicle is determined, and the measured vibrations are subjected to signal processing such as weighting for each frequency using an equal interval curve of the human body. It is intended to provide

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

しかしながら、従来の輸送機関の乗り心地を評
価する方法においては以下の問題点がある。
However, conventional methods for evaluating ride comfort of transportation systems have the following problems.

一般に、輸送機関の乗り心地を評価するには、
その輸送機関の動揺状態を、時間的変化を含めて
統括的に把握する必要がある。しかし、従来の輸
送機関の乗り心地を評価する方法においては、各
測定時刻における輸送機関の加速度の大きさのみ
を求めるという一面的な評価であり、振動の他の
要素である周期や振幅及びそれらの関連性に対す
る考慮がなく、また人体が振動に暴露される時間
に対する評価についての考慮もなく、総括的評価
が困難であるという問題点を有している。
Generally, to evaluate the ride comfort of a transportation vehicle,
It is necessary to comprehensively understand the state of the transportation system, including changes over time. However, the conventional method for evaluating the ride comfort of transportation vehicles is a one-sided evaluation that only determines the magnitude of the acceleration of the transportation vehicle at each measurement time. There is a problem in that comprehensive evaluation is difficult because there is no consideration given to the relationship between vibrations and the amount of time the human body is exposed to vibrations.

本発明は前記の問題点を除去し、乗り心地を評
価する上で重要な要素である動揺について、その
動揺状態の周期や振幅の時間的変化を含めた評価
を可能にする動揺発生頻度測定評価方法、及びそ
の動揺発生頻度測定評価方法による頻度分布を得
るための振動データの入力、演算処理、記憶、出
力等の処理操作を、効率的にかつ大量に行うこと
ができる動揺発生頻度測定評価装置を提供するこ
とを目的とする。
The present invention eliminates the above-mentioned problems and makes it possible to evaluate the vibration occurrence frequency, which is an important element in evaluating ride comfort, including temporal changes in the period and amplitude of the vibration state. A vibration occurrence frequency measurement and evaluation device that can efficiently perform processing operations such as inputting, arithmetic processing, storing, and outputting vibration data to obtain a frequency distribution using the vibration occurrence frequency measurement and evaluation method. The purpose is to provide

〔課題を解決するための手段〕[Means to solve the problem]

本発明は、前記の問題点を克服するために、動
揺発生頻度測定評価方法において、振動測定手段
によつて振動測定を行い、振動測定の測定信号に
含まれる周期信号の周期及びその波高値を測定
し、周期及びその波高値の一定測定期間内におけ
る発生頻度を求め、振動信号に含まれる周期及び
その波高値の発生頻度の分布によつて動揺状態の
評価を行うものである。
In order to overcome the above-mentioned problems, the present invention, in a vibration occurrence frequency measurement and evaluation method, measures vibration using a vibration measuring means, and calculates the period of a periodic signal included in the measurement signal of the vibration measurement and its peak value. The frequency of occurrence of the period and its peak value within a certain measurement period is determined, and the state of agitation is evaluated based on the distribution of the frequency of occurrence of the period and its peak value included in the vibration signal.

また、動揺発生頻度測定評価装置において、振
動測定信号に含まれる周期信号の周期を測定する
周期測定手段と、振動測定信号に含まれる周期信
号の前記周期に対応する波高値を測定する波高値
測定手段と、周期と前記波高値の一定測定期間内
におけるる発生頻度を計数する計数手段と、発生
頻度を表示する表示手段とから構成するものであ
る。
Further, in the vibration occurrence frequency measurement and evaluation device, a period measuring means for measuring the period of a periodic signal included in the vibration measurement signal, and a wave height value measurement unit for measuring a wave height value corresponding to the period of the periodic signal contained in the vibration measurement signal. a counting means for counting the frequency of occurrence of the period and the peak value within a certain measurement period; and a display means for displaying the frequency of occurrence.

前記表示手段は、外部出力装置とすることがで
きる。また、一定測定期間は測定対象物の移動距
離あるいは測定対象物の走行速度により求めるこ
とができる。
The display means may be an external output device. Further, the fixed measurement period can be determined based on the distance traveled by the object to be measured or the speed at which the object to be measured travels.

〔作用〕[Effect]

本発明によれば、 (1) 乗り心地を評価する上で重要な要素である動
揺について、その動揺の波高値と周期の一定周
期内の頻度分布を求めさらに動揺の時間的変化
を含めた評価を可能にし、輸送機関の総括的な
評価を可能にすることができる。
According to the present invention, (1) Regarding oscillation, which is an important element in evaluating ride comfort, the peak value and frequency distribution of the oscillation within a certain period are determined, and further, the evaluation includes temporal changes in the oscillation. and can enable a comprehensive evaluation of transportation facilities.

(2) また、測定作業と並列して動揺の頻度分布を
求めることができるので、迅速かつ大量に測定
データを処理することができる。
(2) Furthermore, since the frequency distribution of agitation can be determined in parallel with the measurement work, a large amount of measurement data can be processed quickly.

〔実施例〕〔Example〕

以下、本発明について図を説明しながら詳細に
説明する。
Hereinafter, the present invention will be described in detail with reference to the drawings.

第1図は本発明の動揺発生頻度測定評価方法の
フローチヤートである。
FIG. 1 is a flowchart of the method for measuring and evaluating the occurrence frequency of agitation according to the present invention.

ステツプS1:始めに、輸送機関などの測定対
象の振動を測定する。この振動測定は振動加速度
センサを有する振動計によつて行うことができ
る。
Step S1: First, the vibration of the object to be measured, such as a transportation vehicle, is measured. This vibration measurement can be performed by a vibrometer having a vibration acceleration sensor.

ステツプS2:次に、前記ステツプS1において
求めた測定振動信号に含まれる周期信号の周期と
波高値を測定する。測定振動信号には、周期と波
高値の異なる複数個の信号が含まれており、バン
ドパスフイルタなどによつて幾つかの周波数帯域
に分割し、その通過帯域内における周期と波高値
を求める。
Step S2: Next, the period and peak value of the periodic signal included in the measurement vibration signal obtained in step S1 are measured. The measured vibration signal includes a plurality of signals with different periods and peak values, and is divided into several frequency bands by a bandpass filter or the like, and the period and peak value within the pass band are determined.

ステツプ3:次に、前記ステツプS2で求めた
周期と波高値の発生頻度分布を求める。
Step 3: Next, the frequency distribution of the period and peak value determined in step S2 is determined.

この周期と波高値の発生頻度分布は輸送機関の
乗り心地の評価を行うためのデータとすることが
できる。この周期と波高値の発生頻度分布は前記
測定値を加算して累積することによつてマトリツ
クステーブルとして表現することができる。
This cycle and frequency distribution of peak values can be used as data for evaluating the ride comfort of transportation. The frequency distribution of the period and peak value can be expressed as a matrix table by adding and accumulating the measured values.

また、異なる時刻におけるマトリツクステーブ
ルを求めることによつて、周期と波高値の発生頻
度分布の時間変化を求めることができる。
Furthermore, by obtaining matrix tables at different times, it is possible to obtain temporal changes in the frequency distribution of the period and peak value.

つまり、輸送機関のその動揺状態の周期や振幅
及びそれらの関連性、並びにその時間的変化を含
めた総括的な評価を可能にすることができる。
In other words, it is possible to perform a comprehensive evaluation including the period and amplitude of the oscillation state of the transportation vehicle, their relationship, and their temporal changes.

なお、本発明においては輸送機関の動揺の振幅
として波高値を用いている。
Note that in the present invention, the peak value is used as the amplitude of the vibration of the transportation vehicle.

ステツプS4:前記ステツプS3の発生頻度分布
は予め設定した期間内における測定によつて分布
を求めるものであるため、このステツプにおいて
その設定期間の測定が終了したか以下の判定を行
う。
Step S4: Since the occurrence frequency distribution in step S3 is determined by measurement within a preset period, the following determination is made in this step as to whether the measurement for the set period has ended.

このステツプにおいて、設定期間の測定が終了
していない場合には、ステツプS1に戻つて前記
ステツプS1からステツプS3に測定操作を繰り返
して、設定期間内の分布を終了させる。
In this step, if the measurement for the set period is not completed, the process returns to step S1 and repeats the measurement operations from step S1 to step S3 to complete the distribution within the set period.

一方、このステツプにおいて、設定周期の測定
が終了した場合にはステツプS5に移る。
On the other hand, in this step, if the measurement of the set period is completed, the process moves to step S5.

ステツプS5:前記ステツプS1からステツプS4
で設定期間における動揺の周期及び波高値の測定
を再度行つて、時間的変化を求める場合にはステ
ツプS1に戻り、異なる時間における動揺の周期
及び波高値の発生頻度分布を求めることができ
る。
Step S5: Step S1 to Step S4
If the period of oscillation and the peak value during the set period are measured again to determine the temporal change, the process returns to step S1, and the frequency distribution of the period of oscillation and the peak value at different times can be determined.

次に、演算手順を第2図の本発明の動揺発生頻
度の測定評価のブロツク図によつて説明する。
Next, the calculation procedure will be explained with reference to a block diagram of the measurement and evaluation of the frequency of occurrence of oscillation according to the present invention shown in FIG.

第2図において、Fb1〜Fbnはバンドパスフ
イルタ、H1〜Hnは波高値計算処理、T1〜Tn
は周期計算処理、Mはマトリツクステーブル、C
は境界判定処理である。
In Figure 2, Fb1 to Fbn are band pass filters, H1 to Hn are peak value calculation processes, and T1 to Tn.
is periodic calculation process, M is matrix table, C
is a boundary determination process.

振動計からの振動信号Vは、始めに複数個の通
過帯域の異なるバンドパスフイルタFb1〜Fbn
に並列に入力される。このバンドパスフイルタ
Fb1〜Fbnの通過帯域特性は、例えば、第3図
のバンドパスフイルタ特性図に示すものとするこ
とができ、周波数0と周波数1の間の通過帯域の
バンドパスフイルタの出力は入力の振動信号Vに
対して帯域信号V1となる(第4図の振動信号と
帯域信号の信号図を参照)。
The vibration signal V from the vibration meter is first passed through a plurality of bandpass filters Fb1 to Fbn with different passbands.
are input in parallel. This bandpass filter
The passband characteristics of Fb1 to Fbn can be, for example, as shown in the bandpass filter characteristic diagram in Figure 3, and the output of the bandpass filter in the passband between frequency 0 and frequency 1 is the input vibration signal. V becomes a band signal V1 (see the signal diagram of the vibration signal and band signal in FIG. 4).

また、同様にして、周波数K-1と周波数Kの間
の通過帯域のバンドパスフイルタの出力は入力の
振動信号Vに対して帯域信号Vkとなる。
Similarly, the output of a bandpass filter with a passband between frequency K-1 and frequency K becomes a band signal Vk with respect to the input vibration signal V.

振動信号VはこのバンドパスフイルタFb1〜
Fbnによつて、n個の信号に分割される。そし
て、各バンドパスフイルタの出力信号はサイン波
状の信号となり、その帯域内における周期と波高
値に関する情報を有しており、該バンドパスフイ
ルタに接続された波高値計算処理H、及び周期計
算処理Tによつて、その周期と波高値が求められ
る。
The vibration signal V is passed through this bandpass filter Fb1~
It is divided into n signals by Fbn. The output signal of each bandpass filter becomes a sine wave-like signal, and has information regarding the period and peak value within the band. The period and peak value are determined by T.

つまり、この波高値計算処理H、及び周期計算
処理Tによつて、ある周波数帯域内に含まれる周
期とその波高値を求めることができる。
That is, through this peak value calculation process H and period calculation process T, it is possible to obtain the period included in a certain frequency band and its peak value.

次に、前期の各周波数帯域内の周期と波高値を
例えば第5図に示すような波高値ランクを縦軸と
し周期ランクを横軸とする動揺発生頻度マトリツ
クステーブルMに表記する。この波高値ランク及
び周期ランクは前期の周期と波高値をある設定値
に応じてランク分けしたものである。
Next, the period and peak value in each frequency band in the previous period are written in a oscillation occurrence frequency matrix table M having the peak value rank as the vertical axis and the periodic rank as the horizontal axis, as shown in FIG. 5, for example. This peak value rank and period rank are obtained by ranking the previous period's period and peak value according to a certain set value.

動揺発生頻度マトリツクステーブルM内に記載
される数値は、設定期間内に発生した周期と波高
値の発生頻度を表をしている。
The numerical values listed in the oscillation occurrence frequency matrix table M represent the frequency of occurrence of periods and peak values occurring within a set period.

また、前記周期計算は、前記バンドパスフイル
タを通過した帯域信号をさらに細かくランク分け
するためのものである。
Further, the periodic calculation is performed to further finely rank the band signals that have passed through the bandpass filter.

また、前期バンドパスフイルタの分離性能が不
充分である場合には、第2図の境界判定において
周期計算後に隣合う通過帯域間での共通成分の判
定を実施し、どちらか一方に決定したうえで、重
複加算を防ぐ処理を行う。
In addition, if the separation performance of the previous bandpass filter is insufficient, in the boundary determination shown in Figure 2, after calculating the period, determine the common component between adjacent passbands, decide on one or the other, and then , performs processing to prevent duplicate addition.

また、動揺発生頻度マトリツクステーブルを形
成する前期設定期間として、単位時間あるいは単
位距離を用いることができる。
Further, unit time or unit distance can be used as the initial setting period for forming the oscillation occurrence frequency matrix table.

次に、本発明の動揺発生頻度測定評価装置につ
いて第6図の本発明の動揺発生頻度測定評価装置
の構成図によつて説明する。
Next, the agitation occurrence frequency measurement and evaluation device of the present invention will be explained with reference to the configuration diagram of the agitation occurrence frequency measurement and evaluation device of the present invention shown in FIG.

図において、1は振動計、2は装置本体、3は
出力装置、4はバンドパスフイルタ、5はA/D
変換器、6は入力装置、7は走行情報入力装置、
8は演算処理装置、9は記憶装置、10は処理結
果記憶用ICカードである。
In the figure, 1 is a vibration meter, 2 is the main body of the device, 3 is an output device, 4 is a band pass filter, and 5 is an A/D
Converter, 6 is an input device, 7 is a driving information input device,
8 is an arithmetic processing unit, 9 is a storage device, and 10 is an IC card for storing processing results.

装置本体2は、その装置内にバンドパスフイル
タ4、A/D変換器5、入力装置6、走行情報入
力装置7、演算処理装置8、記憶装置9、及び処
理結果記憶用ICカード10からなり、振動計1
の出力信号が入力され、また、出力信号を出力装
置3に出力する。
The device body 2 includes a bandpass filter 4, an A/D converter 5, an input device 6, a travel information input device 7, an arithmetic processing device 8, a storage device 9, and an IC card 10 for storing processing results. , vibration meter 1
The output signal is inputted thereto, and the output signal is outputted to the output device 3.

振動計1の出力信号は、バンドパスフイルタ4
に接続されて、そのバンドパスフイルタ4の帯域
周波数に応じて周波数分離される。そのバンドパ
スフイルタ4の出力信号は、A/D変換器5にお
いてデジタル信号に変換された後、演算処理装置
8に入力される。
The output signal of the vibration meter 1 is passed through a bandpass filter 4.
The frequency is separated according to the band frequency of the bandpass filter 4. The output signal of the bandpass filter 4 is converted into a digital signal by the A/D converter 5 and then input to the arithmetic processing unit 8.

また、演算処理装置8には、測定開始時期など
の測定に必要なデータを入力する入力装置6、及
び輸送機関の走行中の移動距離及び走行速度の情
報を車輪の回転パルス信号などを入力する走行情
報入力装置7が接続されている。
In addition, the arithmetic processing unit 8 is provided with an input device 6 for inputting data necessary for measurement such as measurement start time, and inputs information such as a wheel rotation pulse signal and information on travel distance and traveling speed of the transportation vehicle. A driving information input device 7 is connected.

該演算処理装置8においては、前記入力装置6
からの測定条件や走行情報入力装置7からの移動
距離や走行速度による設定期間に従つて、各帯域
で一周期ごとに波高値と周期を演算し、その後所
定のランク付けをしたマトリツクステーブルの該
当するエリアに発生回路を加算する。
In the arithmetic processing device 8, the input device 6
The peak value and period are calculated for each period in each band according to the measurement conditions from the travel information input device 7 and the travel distance and travel speed set from the travel information input device 7, and then a predetermined ranking is performed in the matrix table. Add the generating circuit to the corresponding area.

また、演算処理装置8には記憶装置9が接続さ
れる。
Further, a storage device 9 is connected to the arithmetic processing device 8 .

演算処理装置8の結果は処理結果記憶用ICカ
ード10に記憶される。また、外部のプリンター
などの出力装置3に出力される。
The results of the arithmetic processing unit 8 are stored in a processing result storage IC card 10. It is also output to an output device 3 such as an external printer.

第7図は本発明の動揺発生頻度分布の計算例で
ある。この例においては、30秒当たりの動揺発生
回数の平均値を示したものである。
FIG. 7 is an example of calculation of the vibration occurrence frequency distribution according to the present invention. In this example, the average value of the number of occurrences of agitation per 30 seconds is shown.

〔発明の効果〕〔Effect of the invention〕

以上説明したように、本発明によれば、 (1) 乗り心地を評価する上で重要な要素である動
揺について、その動揺の波高値と周期の一定周
期内の頻度分布を求めさらに動揺の時間的変化
を含めた評価を可能にし、輸送機関の総括的な
評価を可能にすることができる。
As explained above, according to the present invention, (1) With respect to the vibration, which is an important element in evaluating ride comfort, the peak value and frequency distribution of the vibration within a certain period are determined, and the period of the vibration is calculated. This makes it possible to conduct evaluations that include physical changes, making it possible to comprehensively evaluate transportation facilities.

(2) また、測定作業と並列して動揺の頻度分布を
求めることができるので、迅速かつ大量に測定
データを処理することができる。
(2) Furthermore, since the frequency distribution of agitation can be determined in parallel with the measurement work, a large amount of measurement data can be processed quickly.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の動揺発生頻度測定評価方法の
フローチヤートである。第2図は本発明の動揺発
生頻度測定評価装置の演算手順のブロツク図であ
る。第3図はバンドパスフイルタ特性図である。
第4図は振動信号と帯域信号の信号図である。第
5図は動揺発生頻度マトリツクステーブルであ
る。第6図は本発明の動揺発生頻度測定評価装置
の構成図である。第7図は本発明の動揺頻度分布
の計算例である。 1…振動計、2…装置本体、3…出力装置、4
…バンドパスフイルタ、5…A/D変換器、6…
入力装置、7…走行情報入力装置、8…演算処理
装置、9…記憶装置、10…処理結果記憶用IC
カード、Fb1〜Fbn…バンドパスフイルタ、H
1〜Hn…波高値計算処理、T1〜Tn…周期計算
処理、M…マトリツクステーブル、C…境界判定
処理。
FIG. 1 is a flowchart of the method for measuring and evaluating the frequency of occurrence of agitation according to the present invention. FIG. 2 is a block diagram of the calculation procedure of the vibration occurrence frequency measurement and evaluation device of the present invention. FIG. 3 is a characteristic diagram of a bandpass filter.
FIG. 4 is a signal diagram of vibration signals and band signals. FIG. 5 is an agitation occurrence frequency matrix table. FIG. 6 is a configuration diagram of the vibration occurrence frequency measurement and evaluation device of the present invention. FIG. 7 is an example of calculating the agitation frequency distribution according to the present invention. 1... Vibration meter, 2... Device body, 3... Output device, 4
...Band pass filter, 5...A/D converter, 6...
Input device, 7... Traveling information input device, 8... Arithmetic processing unit, 9... Storage device, 10... Processing result storage IC
Card, Fb1~Fbn...Band pass filter, H
1 to Hn... Peak value calculation processing, T1 to Tn... Cycle calculation processing, M... Matrix table, C... Boundary determination processing.

Claims (1)

【特許請求の範囲】 1 動揺発生頻度測定評価方法において、 (a) 振動測定手段によつて振動測定を行い、 (b) 前記振動測定の測定信号に含まれる周期信号
の周期及びその波高値を測定し、 (c) 前記周期及び波高値の一定測定期間内におけ
る発生頻度を求め、 (d) 前記振動信号に含まれる周期及びその波高値
の発生頻度の分布によつて動揺状態の評価を行
うことを特徴とする動揺発生頻度測定評価方
法。 2 動揺発生頻度測定評価装置において、 (a) 振動測定信号に含まれる周期信号の周期を測
定する周期測定手段と、 (b) 振動測定信号に含まれる周期信号の前記周期
に対応す波高値を測定する波高値測定手段と、 (c) 前記周期と前記波高値の一定測定期間内にお
ける発生頻度を計数する計数手段と、 (d) 前記発生頻度を表示する表示手段とからなる
ことを特徴とする動揺発生頻度測定評価装置。 3 前記表示手段は、外部出力装置である特許請
求項の範囲2記載の動揺発生頻度測定評価装置。 4 前記一定測定期間は測定対象物の移動距離に
より求める特許請求項の範囲1記載の動揺発生頻
度測定評価方法。 5 前記一定測定期間は測定対象物の走行速度に
より求める特許請求項の範囲1記載の動揺発生頻
度測定評価方法。 6 前記一定測定期間は測定対象物の移動距離に
より求める特許請求項の範囲2記載の動揺発生頻
度測定評価装置。 7 前記一定測定期間は測定対象物の走行速度に
より求める特許請求項の範囲2記載の動揺発生頻
度測定評価装置。
[Scope of Claims] 1. A vibration occurrence frequency measurement and evaluation method, which includes: (a) measuring vibrations by a vibration measuring means; (b) measuring the period of a periodic signal included in the measurement signal of the vibration measurement and its peak value; (c) determining the frequency of occurrence of the period and peak value within a certain measurement period; and (d) evaluating the agitation state based on the distribution of the frequency of occurrence of the period and peak value included in the vibration signal. A method for measuring and evaluating the frequency of occurrence of agitation, characterized by the following. 2. The vibration occurrence frequency measurement and evaluation device includes: (a) a period measuring means for measuring the period of the periodic signal included in the vibration measurement signal; and (b) a wave height value corresponding to the period of the periodic signal contained in the vibration measurement signal. (c) counting means for counting the frequency of occurrence of the period and the wave height value within a certain measurement period; and (d) display means for displaying the frequency of occurrence. A vibration occurrence frequency measurement and evaluation device. 3. The vibration occurrence frequency measurement and evaluation device according to claim 2, wherein the display means is an external output device. 4. The vibration occurrence frequency measurement and evaluation method according to claim 1, wherein the fixed measurement period is determined based on the moving distance of the object to be measured. 5. The vibration occurrence frequency measurement and evaluation method according to claim 1, wherein the fixed measurement period is determined based on the running speed of the object to be measured. 6. The vibration occurrence frequency measurement and evaluation device according to claim 2, wherein the fixed measurement period is determined based on the moving distance of the object to be measured. 7. The vibration occurrence frequency measurement and evaluation device according to claim 2, wherein the fixed measurement period is determined based on the running speed of the object to be measured.
JP63125995A 1988-05-25 1988-05-25 Measuring and analyzing method of frequency of occurrence of jolting and apparatus therefor Granted JPH02110336A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63125995A JPH02110336A (en) 1988-05-25 1988-05-25 Measuring and analyzing method of frequency of occurrence of jolting and apparatus therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63125995A JPH02110336A (en) 1988-05-25 1988-05-25 Measuring and analyzing method of frequency of occurrence of jolting and apparatus therefor

Publications (2)

Publication Number Publication Date
JPH02110336A JPH02110336A (en) 1990-04-23
JPH05654B2 true JPH05654B2 (en) 1993-01-06

Family

ID=14924115

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63125995A Granted JPH02110336A (en) 1988-05-25 1988-05-25 Measuring and analyzing method of frequency of occurrence of jolting and apparatus therefor

Country Status (1)

Country Link
JP (1) JPH02110336A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020060465A (en) * 2018-10-11 2020-04-16 日本精工株式会社 Abnormality detection system and abnormality detection method of truck for railroad vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5027578B2 (en) * 2007-07-10 2012-09-19 カヤバ工業株式会社 Railway vehicle vibration control device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020060465A (en) * 2018-10-11 2020-04-16 日本精工株式会社 Abnormality detection system and abnormality detection method of truck for railroad vehicle

Also Published As

Publication number Publication date
JPH02110336A (en) 1990-04-23

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