How to improve the protection of automotive wiring harness high-frequency interface?

In order to meet the specification frequency levels, automotive harness test equipment must meet the set accuracy level or level. This allows them to be tested at their own level, and each "level" usually contains a series of single parameters that define the test equipment. In addition to the allowable tolerances for the recorded test values, there are some internal performance parameters of the device, such as background interference or dynamic range. As part of the test procedure, the test accuracy is mainly reflected in three different locations, the first is the so-called "baseline value" of the high-frequency interface of the test equipment, and the other two are the interconnection points of the permanent connection and the channel connection.

The similarities and differences between assembly and planning of automobile wiring harness under the virtual environment are as follows: the automobile wiring harness is flexible and deformable during the layout design stage and the assembly process planning stage; the piping can be treated as flexible body in the layout design stage, In the assembly process planning stage, the rigid body is involved in the assembly process simulation of the entire product. Based on the above two points, we can use the following programs to study: wiring harness layout and assembly process planning integrated into one, the layout design process is the assembly process of the formation process, through the layout of the design process can be recorded wiring harness assembly Process, and pipeline assembly process planning and layout design is relatively independent.

In order to improve the controllability and convenience of the model control, a method of wire harness positioning based on geometric constraints is proposed, which mainly includes the precise positioning based on geometric constraints and the dynamic navigation under geometric constraints to assist the designer to quickly determine the wiring harness, The positional relationship between the structural members, thereby assembling the wire harness in place.