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Generally, the shapes of most precision manufacturing and machining products are described by complex free-form curves/surface, thus it is essential that modern CNC (Computer Numerical Control) machine tools are equipped with parametric free-form curve interpolators. In many application scenarios, a CNC machine tool is required to perform free-form contour following tasks. In order to design an effective...
Mobile sensing enabled by on-board GPS or smart phones has become the primary source of traffic data. For sufficient coverage of the traffic stream, it is important to maintain a reasonable penetration rate of probe vehicles. From the standpoint of estimating higher-order traffic quantities such as acceleration/deceleration, emission rate and fuel consumption rate, it is desirable to examine the effectiveness...
Generally, friction/disturbance compensation is an important issue in high-precision motion control applications. In particular, when the system under control undergoes low-speed or reversal motions, the friction force and external disturbances will degrade motion accuracy. Therefore, to achieve satisfactory motion performance, it is necessary to simultaneously compensate for the friction force and...
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