CST CABLE STUDIO®

Cable harness view

Visual checks of complex cable harness systems are demanding for electromagnetic engineers. This is also because many variants of a product may exist with customer specific cable harnesses. In the automotive industry, for example, more than 300 variants of the same car may be manufactured. Because of this, it is necessary to identify which wire or cable carries which signal and where the cables lie with respect to the surrounding metallic or dielectric enclosure.

CST CABLE STUDIO Viewing capabilities

After import the cable harness configuration is displayed in a 3D graphic view. The example on the right shows an automotive cable harness system. It contains 240 connectors and 361 wires. In the wiring loom behind the dash board there are more than 100 different signals in 125 wires and cables.

CST CABLE STUDIO Viewing capabilities

When selecting signals, wires or cables in the CST CS navigation tree, these are automatically highlighted in the 3D graphic and the corresponding cross-section is displayed in the 2D view. The example on the left shows a bundle of single wires with typical dimensions. The bundle’s total diameter is about 2 cm. The signal names can be displayed on demand by a simple mouse-click. An object spy frame displays mouse position, cable type, and used materials.

CST CABLE STUDIO Viewing capabilities

Connectivity checks and signal identification are easily done with the built-in schematic view. You just have to select a connector by mouse in the navigation tree or in the 3D graphic view and choose this option from the popup menu and you get a clearly structured schematic overview. The example on the right is a subset of a real automotive cable harness. When selecting any signal line in the schematic its location will be automatically highlighted in the 3D

Categoria:

“New electronic systems accompany most of the technical innovations in automotive industry. In consequence of the growing number of electrical equipment the electromagnetic noise level is rising in automobiles. The increased electromagnetic emissions however raise the risk to violate EMC standards and perturb the functional integrity of new and existing electronic systems. Hence, mastering of potential EMC problems in new automobiles becomes increasingly important to the car industry. Numerical simulation is an important key for the detection and rejection of potential EMC problems early in the design process..”

Dr. Friedrich Haslinger, BMW AG

CST CABLE STUDIO (CST CS) is dedicated to the three-dimensional analysis of signal integrity (SI), conducted emission (CE), radiated emission (RE), and electromagnetic susceptibility (EMS) of complex cable structures in electrically large systems. It provides powerful import filters from popular MCAD and ECAD tools for smooth integration into the industrial workflow.

With its main focus on automotive and aerospace applications, CST CS is equipped with enhanced visualization capabilities in order to interactively highlight selected signals or cables in both the 3D graphic view and the 2D schematic view. Visual positioning checks of connectors and cables are easily possible. Information about which cable carries which signal or which wires are connected to which connector pins can be directly accessed in the CST CS navigation tree.

Image preview: CST EMC Flyer CST CABLE STUDIO is fully integrated in CST STUDIO SUITE® so users benefit from the manpower and experience invested in its world renowned user interface. CST CABLE STUDIO can easily exchange data with full 3D solvers of CST MICROWAVE STUDIO® for EMC/EMI simulations.

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