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High precision tracking system has strict rapidity and smooth requirements of speed and torque. For the system is a direct drive structure, it is more sensitive to torque disturbances. Traditional current closed loop cannot suppress torque ripples caused by flux distortion of the motor. Torque closed loop's bandwidth is restricted and cannot provide fast torque response. Aimed at a high precision...
Communication in project management plays a vital role, the article analyse deeply the factors that affect the project communications management, and quantify the various factors, Future more establish an index system to evaluate the effectiveness of project communication. Besides it introduce BP artificial neural network method to evaluate the effectiveness of project communication. Finally, the...
In this paper, the related theory of remuneration motivation, make an analysis of the remuneration management status for Chinese enterprises, puts forward that the intrinsic compensation and external remuneration do not match the salary system of enterprise. And on this basis, in the perspective of marginal utility theory, researched on the issues of the intrinsic compensation and external remuneration,...
With the competition between enterprises human resource becomes a key to that enterprises acquire the competition advantages and employee training grows into the strategic requirement of enterprise development with playing important roles gradually. In view of the existing fuzziness and randomness in the training effect comprehensive evaluation, an index system, which comprises the first class indices...
The paper studied environmental cost accounting of thermal power plant. The difficulty lies in the accounting of the environmental damage costs. According to the characters of thermal power enterprises, the paper set up some accounting models on environmental damage cost, such as the shadow price model, human capital model, opportunity cost model and production function model. Through analyzing these...
Summary The morphology of corneal innervation was studied in rabbits with alloxan-induced diabetes. The experimental rabbits were killed after 6, 8, 10, 12 weeks. Corneal innervation was studied by histochemical techniques and transimission electron microscopy. The results revealed that in diabetic rabbits, from 6 weeks, the density of nerve-nets was markedly sparser, the fibers were thinner and the...
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