RU2015130694A - METHOD FOR MEASURING NOISE PRODUCED BY TIRES OF A VEHICLE VEHICLE IN MOTION - Google Patents

METHOD FOR MEASURING NOISE PRODUCED BY TIRES OF A VEHICLE VEHICLE IN MOTION Download PDF

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RU2015130694A
RU2015130694A RU2015130694A RU2015130694A RU2015130694A RU 2015130694 A RU2015130694 A RU 2015130694A RU 2015130694 A RU2015130694 A RU 2015130694A RU 2015130694 A RU2015130694 A RU 2015130694A RU 2015130694 A RU2015130694 A RU 2015130694A
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speed
vehicle
value
measurements
series
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RU2015130694A
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RU2610547C2 (en
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Евгений Владимирович Филин
Светлана Павловна Онищенко
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Открытое акционерное общество "АВТОВАЗ"
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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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

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Способ измерения шума, производимого шинами автотранспортного средства, находящегося в движении, при котором проводят первую серию измерений уровня шума автотранспортного средства, движущегося по мерному участку со скоростью, значение которой, отдельное для каждого проезда, задается последовательно по возрастающей из диапазона скоростей, включающего нижний и верхний пределы, задаваемые оборотами двигателя АТС, на всех передачах переднего хода коробки перемены скоростей, установленной на испытуемом АТС, одновременно с этим запоминающим устройством цифрового или аналогового типа производят запись полученных значений общих уровней шума и совокупности значений скоростей автотранспортного средства в положениях, заданных метками, нанесенными через равные интервалы расстояний на всем протяжении мерного участка, после чего получают диаграмму значений записанных уровней шума автотранспортного средства и график значений скоростей автотранспортного средства на всех передачах, которые обеспечивает коробка перемены скоростей, установленная на испытуемом автотранспортном средстве, затем проводят вторую серию измерений уровня шума автотранспортного средства, движущегося по мерному участку накатом со скоростью, значение которой для каждого заезда последовательно по возрастающей задается из всей совокупности значений скоростей, заданных в первой серии измерений, затем, после второй серии измерений, методом линейной интерполяции с учетом значений скоростей автотранспортного средства в положениях, заданных метками, и значений общих уровней шума рассчитывают значения уровня шума, производимого шинами АТС по формулеA method of measuring the noise produced by the tires of a motor vehicle in motion, in which the first series of measurements of the noise level of a motor vehicle moving along a measured area with a speed is carried out, the value of which, separate for each passage, is set sequentially in increasing order from the speed range, including the lower and the upper limits set by the revolutions of the ATS engine in all forward gears of the gearbox installed on the tested ATS, at the same time I remember they use a digital or analog type device to record the obtained values of the total noise levels and the aggregate values of the vehicle speeds at the positions given by the marks plotted at equal distance intervals throughout the measuring section, after which a chart of the recorded noise levels of the vehicle and a graph of speed values are obtained a vehicle in all gears provided by a gearbox mounted on a test vehicle n means, then a second series of measurements of the noise level of a vehicle moving along a measured section coasting at a speed whose value for each race is sequentially increasing is set from the whole set of speeds specified in the first series of measurements, then, after the second series of measurements, by linear interpolation, taking into account the values of the speeds of the vehicle in the positions specified by the marks, and the values of the total noise levels, calculate the values of the noise level produced by the tires ATS according to the formula
Figure 00000001
Figure 00000001
 где LHi - искомое значение уровня шума, дБА;where L Hi - the desired value of the noise level, dBA; Vi - скорость АТС в положении на мерном участке, заданном в первой серии измерений;V i - the speed of the ATS in position on the measured area specified in the first series of measurements; VH1 - ближайшая фиксируемая скорость, значение которой ниже значения скорости, заданного в первой серии измерений Vi;V H1 - the closest recorded speed, the value of which is lower than the speed specified in the first series of measurements V i ; LH1 - значение уровня внешнего шума, полученное в определенном положении АТС при скорости VH1;L H1 - the value of the level of external noise obtained in a certain position of the exchange at a speed of V H1 ; VH2 - ближайшая фиксируемая скорость, значение которой выше значения скорости Vi, заданной в первой серии измерений;V H2 is the nearest fixed speed, the value of which is higher than the value of speed V i specified in the first series of measurements; LH2 - значение уровня шума, полученное в определенном положении АТС при скорости VH2,L H2 - the value of the noise level obtained in a certain position of the exchange at a speed of V H2 , на основании рассчитанных значений получают диаграмму уровня шума, производимого шинами движущегося автотранспортного средства, в каждой заданной метками позиции мерного участка.on the basis of the calculated values, a diagram is obtained of the noise level produced by the tires of a moving motor vehicle in each position of the measuring section specified by marks.
RU2015130694A 2015-07-23 2015-07-23 Method for measuring tyre noise of vehicle in motion RU2610547C2 (en)

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RU2671385C1 (en) * 2017-08-28 2018-10-30 АКЦИОНЕРНОЕ ОБЩЕСТВО "Моринформсистема-Агат-КИП" (АО "Моринсис-Агат-КИП") Device for estimating state of road covering

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ITMI20010183A1 (en) * 2001-02-01 2002-08-01 A P I C E S R L DEVICE AND METHOD OF DETECTION OF THE NOISE AND POROSITY OF THE ASPHALT
DE102005012702B3 (en) * 2005-03-11 2006-09-14 Forschungsinstitut für Kraftfahrwesen und Fahrzeugmotoren Stuttgart (FKFS) Method of determining a noise component caused by a wheel of a vehicle rolling on a road surface from all the noise in the vehicle
FR2943276B1 (en) * 2009-03-19 2013-05-17 Michelin Soc Tech METHOD FOR MONITORING THE CONDITION OF A TIRE
RU2520701C2 (en) * 2012-10-04 2014-06-27 Открытое акционерное общество "АВТОВАЗ" Method to measure noise produced by vehicle tyres when in motion
CN104142250B (en) * 2014-07-17 2017-02-22 洛阳理工学院 Vehicle tire noise testing system

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