Method for testing and evaluating abnormal noise of gasoline engine of passenger car
The invention discloses a passenger car gasoline engine abnormal noise test and evaluation method, and belongs to the technical field of automobile testing, and the method comprises the steps: setting test conditions, including vehicle state preparation, site preparation and natural environment prep...
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| creator | MENG CUIHONG LI XIN LIU XIAOYANG LIU HUAN YUAN BO |
| description | The invention discloses a passenger car gasoline engine abnormal noise test and evaluation method, and belongs to the technical field of automobile testing, and the method comprises the steps: setting test conditions, including vehicle state preparation, site preparation and natural environment preparation; the working condition evaluation comprises non-driving working condition evaluation and driving working condition evaluation. According to the method, under the whole passenger vehicle condition, whether the gasoline engine assembly has abnormal noise or not under the specified working condition is checked, abnormal noise influence factor investigation is supported, the method is close to the use working condition of a user, the working condition verification is comprehensive, the development and workpiece quality problems can be recognized in advance, and the use complaint risk of the user is reduced.
本发明公开了一种乘用车汽油发动机异常噪声的试验和评价方法，属于汽车测试技术领域，包括：设定试验条件，包括车辆状态准备、场地准备、自然环境准备；工况评价，包括：非行驶工况评价及行驶工况评价。本发明的方法在乘用车整 |
| format | Patent |
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本发明公开了一种乘用车汽油发动机异常噪声的试验和评价方法，属于汽车测试技术领域，包括：设定试验条件，包括车辆状态准备、场地准备、自然环境准备；工况评价，包括：非行驶工况评价及行驶工况评价。本发明的方法在乘用车整</description><language>chi ; eng</language><subject>MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES ; MEASURING ; PHYSICS ; TESTING ; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES ; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230707&DB=EPODOC&CC=CN&NR=116399444A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230707&DB=EPODOC&CC=CN&NR=116399444A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MENG CUIHONG</creatorcontrib><creatorcontrib>LI XIN</creatorcontrib><creatorcontrib>LIU XIAOYANG</creatorcontrib><creatorcontrib>LIU HUAN</creatorcontrib><creatorcontrib>YUAN BO</creatorcontrib><title>Method for testing and evaluating abnormal noise of gasoline engine of passenger car</title><description>The invention discloses a passenger car gasoline engine abnormal noise test and evaluation method, and belongs to the technical field of automobile testing, and the method comprises the steps: setting test conditions, including vehicle state preparation, site preparation and natural environment preparation; the working condition evaluation comprises non-driving working condition evaluation and driving working condition evaluation. According to the method, under the whole passenger vehicle condition, whether the gasoline engine assembly has abnormal noise or not under the specified working condition is checked, abnormal noise influence factor investigation is supported, the method is close to the use working condition of a user, the working condition verification is comprehensive, the development and workpiece quality problems can be recognized in advance, and the use complaint risk of the user is reduced.
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本发明公开了一种乘用车汽油发动机异常噪声的试验和评价方法，属于汽车测试技术领域，包括：设定试验条件，包括车辆状态准备、场地准备、自然环境准备；工况评价，包括：非行驶工况评价及行驶工况评价。本发明的方法在乘用车整</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR |
| title | Method for testing and evaluating abnormal noise of gasoline engine of passenger car |
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