![]() This book deals with micro robot, which tells of summary of robots like entertainment robots and definition of robots, introduction of micro mouse about history, composition and rules, summary of micro controller with its history, appearance and composition, introduction of stepping motor about types, structure, basic characteristics, and driving ways, summary of sensor section, power, understanding of 80C196KC micro controller, basic driving program searching a maze algorithm, smooth turn and making of tracer line.Įnergy Technology Data Exchange (ETDEWEB) A drive diagram and the flow chart of both the control electronics and the position indicator are presented. The position indicator is of a special design and evaluates motor position within Â☑% of total travel. Its magnetic circuits use counterpoles the mechanical shocks at the completion of each step are damped using special design features. The motor has latches situated in the reactor at a distance of 3 m from magnetic armatures, it has a low structural height above the reactor cover, which suggests its suitability for seismic localities. The functional principle is explained of the motor and the mechanical and electrical parts of the drive, power control, and the indicator of position are described. Zdebor, J.Ī linear step drive is described developed in Czechoslovak-Soviet cooperation and intended for driving WWER-1000 control rods. A number of countries have introduced a step. A central solution to improve the traffic safety for this group is implementation of a step-by-step driving licence. The effects from driving with an experienced driver vary.Young novice car drivers are much more accident-prone than other drivers - up to 10 times that of their parents' generation. In general, a step-by-step driving licence improves traffic safety even though the young people are permitted to drive a car earlier on. companion is allowed but with various restrictions and, in some cases, additional driving education and tests. Most of the investigated schemes consist of a step-by-step driving licence with Step 1) various tests and education, Step 2) a period where driving is only allowed together with an experienced driver and Step 3) driving without. Presents a review of safety effects from step-by-step driving licence schemes. Traffic safety and step-by-step driving licence for young people Due to the development of several kinds of communication and driving protocol, PC can operate even several micro-step motor controllers at once by multi-drop connection It can be easily controlled by manual key functions and the motor driving status is displayed by the front panel VFD. The developed micro-step motor controller can handle 4 axes stepping motor drivers simultaneously and provide high power bipolar driving mechanism with constant current mode. Hong, Kwang Pyo Lee, Chang Hee Moon, Myung Kook Choi, Bung Hun Choi, Young Hyun Cheon, Jong Gu International Nuclear Information System (INIS) ![]() With this technique, the low loss position control system, which employed the advantage of the hybrid stepping motor, has been built. The proposed system could change drive method by setting up the initial value of an integrator using the estimated result, without producing speed change. On load, it was checked that a large speed change arose. On no load, it was checked not producing change of a large speed at the time of a change by making electrical angle and carrying out zero reset of the integrator. The change of the drive method was verified from the simulation and the experiment. Then, this paper proposed changing the drive method of micro step drive and sensorless drive. But, it was the purpose that the control method proposed until now controls speed. As the one technique of a position control system in which high efficiency is realizable, the same sensorless control as a permanent magnet motor is effective. However loss is large, in order not to be concerned with load torque but to control current uniformly. The position control system with the advantage large torque, low vibration, and high resolution can be obtained by the constant current micro step drive applied to hybrid stepping motor. The Technique of Changing the Drive Method of Micro Step Drive and Sensorless Drive for Hybrid Stepping Motor
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