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The method of fuzzy closeness was used to calculate the closeness between the detected value in multi-sensor detecting system and the real value and convert it to weight of the sensor more close to the real value, which can help get the measured value. Probabilistic neural network can classify the detecting degree with values measured by many kinds of sensors, and the target category can be obtained...
This paper presents the hardware design of three-axis NC system based on embedded system, designs the ARM (advanced RISC machine) + FPGA (field programmable gate array) hardware architecture, builds the software development environment, and accomplishes the communication program between ARM and FPGA. All of these provide excellent development platform for the application program developers. According...
With the uncertainty of the multi sensor data of the fuzzy neural network fusion, the measure data from sensors is used to as the input of the fuzzy neural network and then is fuzzed. Next the data is analyzed and disposed by the neural network rule. Finally it is output after defuzzification. Confronting with the input fuzzification with uncertain membership function, we adopt the golden partition...
For a class of uncertain linear systems with uncertainties which do not satisfy matching conditions, the method of robust fault-tolerant controller designing against actuator faults is presented. Based on a more practical and general faults model of actuator, sufficient condition about robust fault-tolerant control is obtained in terms of theories of pole assignment and robust control. The design...
The rapid development of the network technology, especially that of the fieldbus, is changing the traditional control system. In order to solve the problem of the linkage synchronization and the network data transmission of the Multi-Ac Servo system, we recently designed a CAN bus protocol named CANServo. It is a high-level protocol of CAN bus , it is used to replace traditional parallel data transmission...
As a high-tech product, Inverter is used in plenty of industrial fields. We developed an experimental sample machine, with FPGA and high-voltage MOS gate driver adopted. This paper presented the main structure and functional modules of this variable frequency speed adjusting system based on FPGA. Furthermore, the method of implementing VWF strategy on a FPGA chip is introduced in detail, including...
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