Standard rollover crash tests with the 50% Hybrid III dummy were simulated with the software MADYMO. Sensor signals of the crash tests were used to prescribe the vehicle kinematics in the numerical simulation. The MAD...
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It is commonly known that in an automotive manufacturing assembly line several workers perform either a common task or a number of different tasks simultaneously, and there is a need to represent such a multi-worker o...
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A new realistic motion control algorithm for digitalhuman models is presented in this paper based on the principle of effort minimization. The proposed algorithm is developed through an innovative mathematical model ...
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In this work a biomechanical model is used for simulation of muscle forces necessary to maintain the posture in a car seat under different support conditions. A computer-aided method is presented that includes the bod...
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This paper details the application of three-dimensional image warping techniques to full body scan data. Borrowed from the toolbox of geometric morphometriesmethods commonly used to quantify the size and shape of anat...
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The objective of this pilot study was to investigate how far dimensional constraints (vision requirements, head clearance) influence postures of car drivers. For that purpose the preferred sitting postures of 9 subjec...
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A unique measurement device, called StickMan, and a customized vehicle climate control system, were developed to measure thermal comfort under transient and non-uniform conditions inside vehicle. The systems were full...
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With rising customer expectations, driver comfort will become more and more important for car manufacturers in distinguishing themselves from others. This is a challenge, since it is difficult to predict comfort, espe...
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digital clay represents a new type of 3-D human-computer interface device that enables tactile and haptic interactions. The digital clay surface is computer controlled and can be commanded to acquire a wide variety of...
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digital clay represents a new type of 3-D human-computer interface device that enables tactile and haptic interactions. The digital clay surface is computer controlled and can be commanded to acquire a wide variety of desired shapes, or be deformed by the user in a manner similar to that of real clay. In this paper, we present the ideas underlying digital clay and an example design of a digital clay device meant for general-purpose modeling. We also introduce the concept of low degree-of-freedom digital clay devices, in which the clay surface can acquire a limited range of shapes, for example, to describe the shapes of automotive front-ends. Each degree of freedom moves a region of the clay surface through a range of predefined shapes. We investigate geometric modeling techniques for defining the ranges of shapes and relate the shapes to forward and inverse kinematics of the deformable structures that control surface shape. To illustrate the application of the digital clay concept, an example low degree-of-freedom clay device for modeling automotive front ends is presented and discussed.
Numerous thermal models have been developed for the human body. Most of them are only for the nude person. Without applying clothing, the human thermal models have very limited uses. In this paper, a comprehensive num...
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