Methodology for vehicle box component durability test development
First Claim
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1. A vehicle component test method comprising:
- measuring first acceleration data at first predetermined locations on a first vehicle frame during an actual road test of a first vehicle;
measuring second acceleration data at second predetermined locations on a second vehicle frame of a second vehicle mounted on a test fixture, said second predetermined locations being approximately the same as said first predetermined locations;
comparing said second acceleration data to said first acceleration data and outputting an acceleration error; and
adjusting said test fixture until said acceleration error is within a predetermined range.
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Abstract
A vehicle component test method includes measuring first acceleration data at discrete locations on a first vehicle frame during an actual road test of a first vehicle and measuring second acceleration data at the discrete locations on a second vehicle frame of a second vehicle mounted on a test fixture. The second acceleration data is compared to the first acceleration data and an acceleration error is generated. The test fixture is adjusted based on the acceleration error until the acceleration error is within a predetermined range.
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Citations
20 Claims
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1. A vehicle component test method comprising:
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measuring first acceleration data at first predetermined locations on a first vehicle frame during an actual road test of a first vehicle;
measuring second acceleration data at second predetermined locations on a second vehicle frame of a second vehicle mounted on a test fixture, said second predetermined locations being approximately the same as said first predetermined locations;
comparing said second acceleration data to said first acceleration data and outputting an acceleration error; and
adjusting said test fixture until said acceleration error is within a predetermined range. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A vehicle component test method comprising:
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measuring first acceleration data at first predetermined locations on a first vehicle frame during an actual road test of a first vehicle;
measuring first load data between a first truck box and said first vehicle frame;
measuring second acceleration data at second predetermined locations on a second vehicle frame of a second vehicle mounted on a test fixture, said second predetermined locations being approximately the same as said first predetermined locations;
measuring second load data between a second truck box and said second vehicle frame;
comparing said second acceleration data to said first acceleration data and outputting an acceleration error;
comparing said first load data to said second load data and outputting a load error; and
adjusting said test fixture until said acceleration error is within a predetermined range and said load error is within a predetermined range. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A vehicle component test method comprising:
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measuring first acceleration data at first predetermined locations on a first vehicle frame during an actual road test of a first vehicle;
providing a second vehicle without suspension components;
mounting said second vehicle on a test fixture;
imparting at least one of a force and a displacement on said second vehicle to simulate conditions of said road test;
measuring second acceleration data at second predetermined locations on a second vehicle frame of said second vehicle, said second predetermined locations being approximately the same as said first predetermined locations;
comparing said second acceleration data to said first acceleration data and outputting an acceleration error; and
adjusting said at least one of said force and displacement applied to said second vehicle until said acceleration error is within a predetermined range. - View Dependent Claims (17, 18, 19, 20)
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Specification