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Based on DSP switch magnetic resistance motor-driven system’s design
Saturday, July 4th, 2009 at 10:42 | No commentsCategories: DSPShort Content: Abstract: According to the SRM principle of work, has designed based on DSP56F805 three-phase (6/4) the SRM double closed loop driving system. Has analyzed one three-phase SRM starting technique, used the integral to the speed and the electric current link to separate the PI control algorithm and the increase type PID control algorithm separately. The reasonable hardware source use and the good control software design, causes SRM to move stably reliable, the interphase current profile is improved. Key word: ... -
Based on TMS320F2812 DSP controller design and application
Tuesday, June 16th, 2009 at 12:15 | No commentsCategories: DSPShort Content: Abstract: Based on DSP the chip TMS320F2812 electrical machinery controller design, described its guidance to load ROM, AD motor control peripheral device electric circuit's and so on converting unit, sensor connection, cpld technical keys. Also simply introduced it in the velocity modulation system's application.Key word: Motor control; DSP; Peripheral device; Sensor In the motor control domain, TI Corporation has promoted 2000 series motor control embedded DSP. In which TMS320F2812 belongs to the high-end product, suits in the industrial control, the ... -
One kind based on DSP tensity, depth, velocity measurement system
Tuesday, June 16th, 2009 at 03:22 | No commentsCategories: DSPShort Content: Abstract: This system uses in the oil field oil well logging process, receives the tensity, the oil well depth and to the electric cable parameter and so on electric cable going into a well speed surveys. Elaborated the system structure and the principle of work with emphasis. At the same time, to the load cell, sounded the encoder, the system hardware circuit design and the software flow has also made the introduction. This system accuracy is high, the volume is ... -
Based on DSP supersonic range finder data acquisition processing system
Sunday, June 7th, 2009 at 06:02 | No commentsCategories: DSPShort Content: Moves the robot to realize under unknown and the indefinite environment moves, must have the automatic navigation and evade bonds the function. In moves in robot's guidance system, the sensor is playing the pivotal role. The vision, the laser, infrared, supersonic sensor [1] and so on obtained the widespread application in the actual system. And, the ultrasonic sensor is simple by its information processing, the speed is quick and the price is low, widely serves as moves robot's range finder ... -
Based on DSP electronic damper PID control
Thursday, June 4th, 2009 at 06:55 | No commentsCategories: DSPShort Content: First, introduction Along with the modern electronic technology's swift development, specially the microcomputer technology on automobile's widespread application, causes automobile's connotation and the function develops unceasingly and extends, the automobile computerization is becoming the modern automobile's essential feature gradually. The damper is motor car engine's important control portion. In order to enhance the automobile travel the power, the stability and the efficiency, and reduced the emissions pollution, the world each big automobile manufacturer has promoted each kind of control ... -
Based on AD8205 high-end electric current sensor’s PWM electric current controller
Sunday, April 5th, 2009 at 12:08 | No commentsCategories: Power SupplyShort Content: Abstract: The high accuracy big electric current controller has the widespread application, but output current's examination electric circuit is quite complex in the high syntype voltage situation. The AD8205 high-end electric current sensor may simplify the examination electric circuit, uses AD8205 and UC3842 the current mode PWM control circuit realizes the PWM adjustable current supply, the circuit structure simple reliable, the output current precision is high.Key word: High-end electric current sensor; Pulse-duration modulation; Adjustable current supply; Syntype voltage 1 introduction ... -
2.5G and the 3G base depot uses power amplifier’s monitoring
Friday, December 12th, 2008 at 01:56 | No commentsCategories: Communication NetworksShort Content: The honeycomb correspondence's development and the advanced modulation scheme's relations are day by day close. In the most new generation (2.5G and 3G) in the base depot, the design strategy including realizes at the same time the high linearity to reduce to the power loss the smallest method. For example, through the monitoring base depot power amplifier's performance, may the power amplifier (PA) output maximization, simultaneously obtain the best linearity and the efficiency. What is lucky, use separation type integrated ... -
Uses DS80C400 the establishment network multimedia application
Tuesday, December 9th, 2008 at 11:42 | No commentsCategories: Communication NetworksShort Content: High speed development which changes with each new day along with the electronic information technology, the exciting multimedia application, including the wired public address system (PA-Public address system), demands and so on network gate, MP3 player as well as security camera is also grows day by day. In networking development's today, may use one kind of low cost network microprocessor DS80C400 to establish with realizes. Its characteristic does not need any hardware's image compression, then may each second transmit 4 ... -
Based on monolithic integrated circuit technology completely automatic transverse cutting machine development
Friday, November 28th, 2008 at 19:39 | No commentsCategories: SCMShort Content: Abstract: This article according to the thin strip cutting request, designed one kind to control the core with the monolithic integrated circuit AT89C51 achievement the completely automatic transverse cutting machine. This machine realizes the main electrical machinery velocity modulation with the monolithic integrated circuit control frequency changer, uses step-by-steps the electrical machinery feeding, the encoder feedback, realizes the counting, the grouping with the close sensor and the counter. Is suitable in the gold, the silver, the copper and so on ... -
Based on HT46R65 pre-payment heat energy table design
Wednesday, November 26th, 2008 at 13:12 | No commentsCategories: SCMShort Content: The abstract calculates the method which according to the actual use thermal energy warms up spends to accept gradually, simultaneously is also advantageous in saves the heat energy. This article introduced that one kind based on HT46R65 monolithic integrated circuit's non-contact IC card pre-payment heat energy table's design proposal, and gives its principle of work, the hardware circuit and the software flow and so on.Key word pre-payment heat energy table ZLG500 non-contact IC card HT46R65 Along with our country ...
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