This article is aiming at the customers’ usage scenarios of a 4×2 light-duty express truck, and through on-site research to determine the driving routes for the customer data collection, road proportions, driving velocities, and load conditions. According to the force characteristics of parts and components and CAE simulation analysis of risk points in the suspensions, axles, steering and frame systems, where the corresponding sensors are arranged. By analyzing the frequency response of the vehicle on the customers’ typical road surface and the test site typical road surface, and according to the principle of damage equivalence, the number of cycles are solved for the test site characteristic pavement under the constraint conditions for the strain channels based on the relative damage spectrum correlation matrix, and then the test costs and test efficiency are considered combined with the review of the expert group to determine the test schemes. Finally, the test schemes are verified by the frequency domain damage histogram and rainflow counting results, also the driving specifications of the vehicle durability tests of the tests on-site are determined by the customers’ usage scenarios.
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |