51 Research and Design, Electronic Engineers website - Embedded Systems, MCU, DSP, EDA, Test and Measurement, Components, Communications, Power, Microelectronics, Semiconductors

Sunday, October 4th, 2009 at 10:17 | No comments

Categories: DSP

Tags: frequency changer, invertor, overtone distortion factor, SPWM, Switch, TMS320LF2407

Short Content: Sees the AC/DC/AC frequency changer, is carries on the frequency conversion, the live pressure adjustment to the output unit, moreover in many kinds of inversion control technology, applies the most widespread one kind of inversion control technology is the sine pulse-duration modulation (SPWM) technology. In the frequency conversion velocity modulation system, realizes the numerical control using DSP as the control chip, it both enhanced the system reliability, and causes system's control precision to be high, timeliness is strong, the hardware ...

Tuesday, March 31st, 2009 at 22:08 | No comments

Categories: Power Supply

Tags: Battery management, mix power electric automobile, TMS320LF2407, μC/OS-II

Short Content: The abstract introduced that one kind the mix power electric automobile battery management system management system (BMS) design which and complex may thin raw white silk regulation logic EMP7128 realize based on digital signal processor TMS320LF2407; Uses the embedded real-time operating system μC/OS-II for the system software platform, elaborates in the battery management system management system's multi-duty design. This design proposal enhanced the systems operation reliability, is advantageous in the system function expansion.Key word battery management mix power electric automobile ...

Tuesday, February 10th, 2009 at 06:02 | No comments

Categories: Power Supply

Tags: corresponds, Power source control, The CAN, TMS320LF2407

Short Content: Abstract: Introduced corresponds realization based on the CAN collection and distribution type power source control system, to its software and hardware's design, the concrete function which the debugging key place and realized has carried on the explanation. Key word: CAN main line; TMS320LF2407; Collection and distribution type power source control system; Correspondence 　　The CAN main line is one kind can support the distributional control system's serial communication network effectively, on the one hand, its mailing address is flexible, may realize ...

Tuesday, November 11th, 2008 at 01:09 | No comments

Categories: DSP

Tags: feed line terminal, master-control unit, TMS320LF2407

Short Content: 1 introductionAlong with national economy's rapidly expand, 10 kV power distribution network is getting more and more complex, the distribution line are getting more and more, how to monitor and the control distribution line, guaranteed that the distribution network power supply security and stability reliability service becomes the power distribution automation the key. In the power distribution automated system, the feed line automation is the power distribution automation foundation, but the core equipment's feed line end instrument becomes the power ...

Saturday, September 6th, 2008 at 15:42 | No comments

Categories: DSP

Tags: Buck-B00st, discharges, DSP, numerical control, The battery charging, TMS320LF2407

Short Content: Abstract: Introduced one kind carries on the entire numerical control using TMS320LF2407, uses the Buck-Boost reflection image to limit power consumption the road achievement charging and discharging main circuit's accumulator cell charging and discharging installment. Has used the trickling charge, the constant flow charge, the constant pressure charge third-level charge pattern, the non-synchronized sampling method, the belt stagnates link's PI regulator. The prototype test result indicated that the control method is feasible, the charging and discharging precision is high.Key word: ...

Friday, September 5th, 2008 at 15:15 | No comments

Categories: DSP

Tags: DSP, intelligent electrical machinery, protector, TMS320LF2407

Short Content: Foreword        Because the production automation and each kind of automatic control, the sequential control equipment's appearance, requests the electrical machinery to move in the frequent starting, the brake, the pro and con biography, the intermittence as well as changes frequently the load and so on each way. Electrical machinery's movement request is getting higher and higher. At the same time, because electrical machinery and necessary machinery continually in the same place, when the electrical machinery breaks down, affects the ...

Monday, August 25th, 2008 at 20:29 | No comments

Categories: DSP

Tags: DSP, intelligent electrical machinery, protector, TMS320LF2407

Short Content: Foreword        Because the production automation and each kind of automatic control, the sequential control equipment's appearance, requests the electrical machinery to move in the frequent starting, the brake, the pro and con biography, the intermittence as well as changes frequently the load and so on each way. Electrical machinery's movement request is getting higher and higher. At the same time, because electrical machinery and necessary machinery continually in the same place, when the electrical machinery breaks down, affects the ...