WO2016143492A1 - 車両試験装置、車両試験方法及び車両試験装置用プログラム - Google Patents
車両試験装置、車両試験方法及び車両試験装置用プログラム Download PDFInfo
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- WO2016143492A1 WO2016143492A1 PCT/JP2016/055060 JP2016055060W WO2016143492A1 WO 2016143492 A1 WO2016143492 A1 WO 2016143492A1 JP 2016055060 W JP2016055060 W JP 2016055060W WO 2016143492 A1 WO2016143492 A1 WO 2016143492A1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
- G01M17/0074—Details, e.g. roller construction, vehicle restraining devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
- G01L25/003—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency for measuring torque
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
Definitions
- the present invention relates to a vehicle test apparatus vehicle test method and a vehicle test apparatus program.
- this type of vehicle test apparatus includes a rotating body on which wheels are mounted, and a control device that controls a motor connected to the rotating body, and has the same conditions as the actual traveling of the vehicle. And configured to test the performance of the vehicle or a portion thereof while rotating the wheel.
- the vehicle test apparatus is configured to control the motor by regarding the rotational speed of the rotating body as the rotational speed of the wheel, and more specifically, further includes speed detecting means for detecting the rotational speed of the rotating body.
- the control device controls the torque acting on the rotation shaft of the motor so that the rotation speed detected by the speed detection means matches the target speed of the wheel.
- the control device applies torque acting on the rotating shaft of the motor so that the rotational speed detected by the speed detecting means, that is, the rotational speed of the rotating body corresponds to the ground speed of 103 km / h. To control.
- the wheels on the rotating body do not have a rotational speed corresponding to the ground speed of 103 km / h.
- the rotation speed corresponds to a ground speed of 106 km / h.
- the reverse phenomenon occurs when the vehicle decelerates. That is, in the above-described configuration, there is a difference between the rotational speed of the wheel in actual traveling and the rotational speed of the wheel on the rotating body, and there is a problem that the actual traveling cannot be accurately reproduced due to the influence of this displacement. Arise.
- the present invention has been made to solve the above-mentioned problems, and its main problem is to accurately reproduce the actual traveling by controlling the rotational speed of the wheels to be the target value accurately. To do.
- the vehicle test apparatus tests the performance of a vehicle or a part of the vehicle by rotating a wheel placed on a rotating body, and indicates a rotation speed of the wheel or a torque applied to the wheel. While acquiring a related value, the rotational speed of the said rotary body or the torque added to the said rotary body is controlled so that the said rotation related value may become a predetermined target value.
- the rotation-related value of the wheel is acquired, and the rotation body is controlled so that the rotation-related value becomes the target value. Therefore, the rotation speed of the rotation body is set to the rotation speed of the wheel. It is not affected by the deviation of the rotational speed as in the case of the control considered to be. Thereby, the rotation-related value of the wheel can be accurately controlled to the target value, and the performance of the vehicle or a part thereof can be accurately evaluated by accurately reproducing the actual traveling.
- the predetermined target value is the rotational speed of the wheel or the wheel obtained by actual traveling. Examples of the torque to be applied or the rotational speed of the wheel calculated using the traveling data obtained by actual traveling or the torque applied to the wheel.
- a rotation speed detection unit that detects the rotation speed of the wheel in contact with or without contact with the wheel.
- the rotational speed of the wheel can be directly detected, and the rotational speed of the wheel can be controlled with high accuracy.
- the rotation speed of the wheel is calculated based on a signal obtained via a network mounted on the vehicle so that the rotation speed becomes a predetermined target value. It is preferable to have a control device for controlling the rotational speed of the rotating body or the torque applied to the rotating body.
- a chassis dynamometer is used, and the rotating body is a chassis roller.
- the rotational speed of the wheel can be accurately controlled to a predetermined target value, and the actual traveling can be accurately reproduced to accurately evaluate the performance of the vehicle or a part thereof. Can do.
- the figure which shows typically the structure of the vehicle test apparatus of this embodiment The figure which shows typically the structure of the vehicle test apparatus in other embodiment.
- the figure which shows typically the structure of the vehicle test apparatus in other embodiment The figure which shows typically the structure of the vehicle test apparatus in other embodiment.
- the vehicle test apparatus 100 tests the performance of the vehicle V or a part thereof by causing the vehicle V to run in a simulated manner under conditions equivalent to actual traveling (traveling on an actual road).
- the vehicle includes a chassis dynamometer 10 on which a vehicle V is mounted, and a control device 20 that controls the chassis dynamometer 10.
- the chassis dynamometer 10 functions as a drive device that drives the vehicle V by acting as an electric motor, for example, according to the driving state in actual traveling, and functions as a load device that applies a load to the vehicle V by acting as a generator. It is. Specifically, this includes, for example, a chassis roller 11 (hereinafter also referred to as a roller 11) on which a driving wheel W (hereinafter also referred to simply as a wheel W) such as a front wheel is mounted, and a roller 11 connected to the roller 11 to be connected to the roller 11. And a motor (not shown) that rotates.
- the roller 11 is, for example, a rotating drum or an endless belt (flat belt).
- the control device 20 includes a CPU, a memory, an A / D converter, a D / A converter, and the like, and the roller 11 and the peripheral device cooperate with each other according to a program stored in a predetermined area of the memory.
- the rotation speed of the roller 11 is controlled by controlling the output of the motor.
- the control device 20 of the present embodiment acquires a rotation-related value indicating the rotation speed of the wheel W or the torque applied to the wheel W, and the rotation-related value is a predetermined target value stored in a memory, for example.
- the rotation speed of the roller 11 is controlled.
- the target value is the rotational speed of the wheel in actual traveling, for example, a value calculated using traveling data such as vehicle speed and road surface state obtained by actual traveling, or obtained in advance by actual traveling. These are values over time based on travel patterns, values based on travel patterns input by the operator through the input interface, and the like.
- the vehicle test apparatus 100 further includes a rotation speed detection unit 30 that detects the rotation speed of the wheel W, and the control device 20 includes the rotation speed detection unit 30.
- the rotational speed of the wheel W detected by the above is acquired as the rotation-related value.
- control device 20 controls the chassis dynamometer 10 so that the rotational speed of the wheel W becomes the rotational speed of the wheel in actual traveling.
- the rotation of the wheel obtained by actual traveling is determined.
- the speed or the rotational speed of the wheel W calculated using travel data obtained by actual travel is stored in the memory as a target value, and the rotational speed acquired from the rotational speed detection unit 30 is the target value.
- the rotational speed of the surface of the roller 11 is feedback-controlled by controlling the output of the motor so as to match.
- the rotational speed detection unit 30 directly detects the rotational speed of the wheel W in contact with or without contact with the wheel W, and uses, for example, a proximity sensor, a photoelectric sensor, a magnetic sensor, a rotary encoder, or the like. It is. Specifically, this detects the rotational speed of the wheel W based on the number of pulse signals per unit time generated with the rotation of the wheel W, and outputs the rotational speed signal indicating the rotational speed to the control device 20 described above. Is configured to do.
- the rotation speed of the wheel 11 is detected so that the rotation speed of the wheel W becomes the rotation speed of the wheel W in actual traveling. Since the speed is controlled, the rotational speed of the wheel W can be controlled without being affected by the deviation of the rotational speed generated between the wheel W and the roller 11. Thereby, the rotational speed of the wheel W can be made to coincide with the rotational speed corresponding to the speed of the vehicle in actual traveling, that is, the rotational speed of the wheel in actual traveling. It is possible to accurately evaluate the performance of the.
- the rotational speed of the wheel W can be controlled without being affected by the rotational speed deviation generated between the wheel W and the roller 11, for example, the slip ratio between the wheel W and the roller 11 is used. There is no need for control, and the program can be simplified.
- the rotational speed of the wheel W is directly detected by the rotational speed detector 30, the rotational speed of the wheel W can be controlled with high accuracy.
- the present invention is not limited to the above embodiment.
- the control device 20 acquires the rotational speed of the wheel W detected by the rotational speed detection unit 30, and controls the rotational speed of the roller 11 so that the rotational speed becomes a target value.
- the torque detected from the torque sensor 40 provided on the axle of the wheel W is acquired, and the rotational speed of the roller 11 is controlled so that this torque becomes the target value. Also good.
- the control device 20 calculates the rotational speed of the wheel W based on a signal obtained from the ECU via an in-vehicle network such as CAN, so that the rotational speed becomes a target value.
- the rotational speed of the roller 11 may be controlled.
- the control device 20 may acquire a signal indicating the rotation speed of the wheel W from the ECU via the in-vehicle network and control the rotation speed of the roller 11 so that the rotation speed becomes a target value.
- the chassis dynamometer 10 may be configured such that wheels are mounted on two rollers.
- the control device 20 may control both rollers 11 or may control either one of the rollers 11.
- the vehicle test apparatus does not necessarily have to test a completed vehicle, and may test a vehicle with wheels attached to an engine or a power train.
- control device of the embodiment controls the rotation speed of the roller by controlling the output of the motor.
- control apparatus controls the rotation speed of the roller by controlling the torque acting on the rotation shaft of the motor.
- a chassis dynamometer provided with a pair of rollers on the front and rear sides so as to be compatible with 4WD may be used. Furthermore, a pair of rollers corresponding to the left and right wheels may be provided.
- the vehicle test apparatus is configured to acquire the rotation speed of each wheel on each roller and control the rotation speed of each roller so that each of these rotation speeds has a corresponding target value. Can be mentioned.
- control device in the embodiment is configured to control the chassis dynamometer so that the rotational speed of the wheel on the roller becomes the rotational speed of the wheel in actual traveling.
- the chassis dynamometer may be controlled such that the surface speed of the roller is equal to the actual speed.
- the vehicle test apparatus may be used together with the exhaust gas analyzer.
- the exhaust gas analysis can be performed in a state where the actual running is accurately simulated by the vehicle test apparatus, and the measurement result obtained by measuring the exhaust gas discharged from the vehicle on the roller is used as the exhaust gas discharged from the actually running vehicle. It can be very close to the measurement result of measuring.
- the rotational speed of the wheel can be accurately controlled to a predetermined target value, and the actual traveling can be accurately reproduced to accurately evaluate the performance of the vehicle or a part thereof. it can.
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Testing Of Engines (AREA)
Abstract
Description
これにより、車輪の回転関連値を正確に目標値に制御することができ、実走行を精度良く再現することで車両又はその一部の性能を正確に評価することが可能となる。
このような構成であれば、車輪の回転速度を直接検出することができ、車輪の回転速度を精度良く制御することが可能となる。
V ・・・車両
W ・・・車輪
10 ・・・シャシダイナモメータ
11 ・・・ローラ
20 ・・・制御装置
30 ・・・回転速度検出部
具体的にこのものは、例えば前輪等の駆動輪W(以下、単に車輪Wともいう)が載せられる回転体たるシャシローラ11(以下、ローラ11ともいう)と、ローラ11に接続されてローラ11を回転させる図示しないモータとを有するものである。
なお、前記ローラ11は、例えば回転ドラムや無端ベルト(フラットベルト)などである。
なお、前記目標値は、ここでは実走行における車輪の回転速度であり、例えば実走行により得られた車速や路面状態等の走行データを用いて演算された値や、実走行により予め得られた走行パターンに基づく経時的な値や、オペレータが入力インターフェースによって入力した走行パターンに基づく値等である。
具体的にこのものは、車輪Wの回転に伴い生じるパルス信号の単位時間当たりの数に基づいて車輪Wの回転速度を検出し、この回転速度を示す回転速度信号を上述した制御装置20に出力するように構成されている。
これにより、車輪Wの回転速度を実走行における車両の速度に相当する回転速度、つまり実走行における車輪の回転速度に一致させることができ、実走行を精度良く再現して車両V又はその一部の性能を正確に評価することが可能となる。
もちろん、制御装置20が、ECUから車載ネットワークを介して、車輪Wの回転速度を示す信号を取得して、この回転速度が目標値となるようにローラ11の回転速度を制御しても良い。
上述した場合、車両試験装置は、各ローラ上の車輪それぞれの回転速度を取得し、これらの各回転速度それぞれが対応する目標値となるように、各ローラの回転速度を制御するように構成されたものが挙げられる。
これならば、車両試験装置によって実走行を精度良く模擬した状態で排ガス分析を行うことができ、ローラ上の車両から排出される排ガスを測定した測定結果を、実走行する車両から排出される排ガスを測定した測定結果に極めて近づけることができる。
Claims (7)
- 回転体上に載せた車輪を回転させて車両又はその一部の性能を試験する車両試験装置であって、
前記車輪の回転速度又は前記車輪に加わるトルクを示す回転関連値を取得するとともに、前記回転関連値が所定の目標値となるように、前記回転体の回転速度又は前記回転体に加わるトルクを制御することを特徴とする車両試験装置。 - 前記所定の目標値が、実走行により得られた車輪の回転速度又は車輪に加わるトルク、又は、実走行により得られた走行データを用いて演算された車輪の回転速度又は車輪に加わるトルクであることを特徴とする請求項1記載の車両試験装置。
- 前記車輪に接触して又は非接触で該車輪の回転速度を検出する回転速度検出部を有することを特徴とする請求項1又は2記載の車両試験装置。
- 車両に搭載されたネットワークを介して得られた信号に基づいて車輪の回転速度を算出し、この回転速度が所定の目標値となるように、前記回転体の回転速度又は前記回転体に加わるトルクを制御する制御装置を有することを特徴とする請求項1又は2記載の車両試験装置。
- シャシダイナモメータを用いたものであり、
前記回転体がシャシローラであることを特徴とする請求項1乃至4のうち何れか一項に記載の車両試験装置。 - 回転体上に載せた車輪を回転させて車両又はその一部の性能を試験する車両試験方法であって、
前記車輪の回転速度又は前記車輪に加わるトルクを示す回転関連値を取得するとともに、前記回転関連値が所定の目標値となるように、前記回転体の回転速度又は前記回転体に加わるトルクを制御することを特徴とする車両試験方法。 - 回転体上に載せた車輪を回転させて車両又はその一部の性能を試験する車両試験装置に用いられるプログラムであって、
前記車輪の回転速度又は前記車輪に加わるトルクを示す回転関連値を取得するとともに、前記回転関連値が所定の目標値となるように、前記回転体の回転速度又は前記回転体に加わるトルクを制御するように構成されていることを特徴とする車両試験装置用プログラム。
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CN201680001238.3A CN106461507B (zh) | 2015-03-06 | 2016-02-22 | 车辆测试装置、车辆测试方法 |
EP16761464.3A EP3267174B1 (en) | 2015-03-06 | 2016-02-22 | Vehicle testing device, vehicle testing method, and program for vehicle testing device |
JP2016560931A JP6966198B2 (ja) | 2015-03-06 | 2016-02-22 | 車両試験装置、車両試験方法及び車両試験装置用プログラム |
US15/313,704 US11385135B2 (en) | 2015-03-06 | 2016-02-22 | Vehicle test device, vehicle test method and program for vehicle test device |
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JP2021508799A (ja) * | 2017-12-27 | 2021-03-11 | ホリバ インスツルメンツ インコーポレイテッドHoriba Instruments Incorporated | ダイナモメータを使用して試験する装置及び方法 |
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CN108548677A (zh) * | 2018-04-04 | 2018-09-18 | 上海隆伍测控技术合伙企业(有限合伙) | 底盘测功机及包含底盘测功机的智能汽车试验台 |
GB201821130D0 (en) | 2018-12-21 | 2019-02-06 | Ocado Innovation Ltd | Robotic device test station and methods |
JP7337464B2 (ja) * | 2020-08-05 | 2023-09-04 | 東芝三菱電機産業システム株式会社 | シャーシダイナモメータシステム |
CN113916442B (zh) * | 2021-10-14 | 2022-11-25 | 安徽江淮汽车集团股份有限公司 | 一种车辆的传动轴的扭矩标定方法及系统 |
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CN106461507A (zh) | 2017-02-22 |
JP6966198B2 (ja) | 2021-11-10 |
JPWO2016143492A1 (ja) | 2017-12-14 |
EP3267174B1 (en) | 2020-09-02 |
US20170191902A1 (en) | 2017-07-06 |
US11385135B2 (en) | 2022-07-12 |
EP3267174A4 (en) | 2018-10-17 |
EP3267174A1 (en) | 2018-01-10 |
CN106461507B (zh) | 2019-12-10 |
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