Fully Balanced LED Driving Circuit for Optogenetics Stimulation

2020 ◽  
Author(s):  
Rana Hesham ◽  
Ola Ibrahim ◽  
Lalit Miyan ◽  
Ahmed Soltan ◽  
Patrick Degenaar
Keyword(s):  
Driving Circuit

New Cost-Effective Driving Circuit for Plasma-TV

2010 ◽  
Vol E93-C (2) ◽  
pp. 200-204
Author(s):  
Jae Kwang LIM ◽  
Heung-Sik TAE ◽  
Dong-Ho LEE ◽  
Kazuhiro ITO ◽  
Jung Pil PARK
Keyword(s):  
Cost Effective ◽  
Driving Circuit

A Cost-Effective Energy-Recovering Sustain Driving Circuit for ac Plasma Display Panels

2012 ◽  
Vol E95-C (2) ◽  
pp. 303-308
Author(s):  
Jae Kwang LIM ◽  
Heung-Sik TAE ◽  
Byungcho CHOI ◽  
Seok Gi KIM
Keyword(s):  
Cost Effective ◽  
Effective Energy ◽  
Plasma Display Panels ◽  
Plasma Display ◽  
Driving Circuit

A Novel Two-phase Soft Starter Used for Three-phase Asynchronous Motors

2020 ◽  
Vol 13 (8) ◽  
pp. 1175-1182
Author(s):  
Jingwen Chen ◽  
Hongshe Dang
Keyword(s):  
Pulse Generation ◽  
Power Module ◽  
Two Phase ◽  
Power Semiconductor ◽  
Starting Current ◽  
Semiconductor Switches ◽  
Soft Starter ◽  
Three Phase ◽  
And Control ◽  
Driving Circuit

Background: Traditional thyristor-based three-phase soft starters of induction motor often suffer from high starting current and heavy harmonics. Moreover, both the trigger pulse generation and driving circuit design are usually complicated. Methods: To address these issues, we propose a novel soft starter structure using fully controlled IGBTs in this paper. Compared to approaches of traditional design, this structure only uses twophase as the input, and each phase is controlled by a power module that is composed of one IGBT and four diodes. Results: Consequently, both driving circuit and control design are greatly simplified due to the requirement of fewer controlled power semiconductor switches, which leads to the reduction of the total cost. Conclusion: Both Matlab/Simulink simulation results and experimental results on a prototype demonstrate that the proposed soft starter can achieve better performances than traditional thyristorbased soft starters for Starting Current (RMS) and harmonics.

scholarly journals AM PWM Driving Circuit for Mini-LED Backlight in Liquid Crystal Displays

2021 ◽  
pp. 1-1
Author(s):  
Chih-Lung Lin ◽  
Sung-Chun Chen ◽  
Ming-Yang Deng ◽  
Yuan-Hao Ho ◽  
Chieh-An Lin ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Liquid Crystal Displays ◽  
Led Backlight ◽  
Driving Circuit

Method for Modeling Ultrasonic Driving Circuit and Designing Matching Network

2012 ◽  
Vol 629 ◽  
pp. 682-687 ◽  
Author(s):  
Bo Xiong Wang ◽  
Wen Feng Liu ◽  
Jian Nan Liu ◽  
Yuan Yuan Cui ◽  
Xiu Zhia Luo
Keyword(s):  
Time Domain ◽  
Power Supply ◽  
Ultrasonic Testing ◽  
Ultrasonic Transducer ◽  
Ultrasonic Transducers ◽  
Matching Network ◽  
Matching Networks ◽  
Impedance Characteristics ◽  
Driving Circuit ◽  
Attenuation Characteristics

The performances of ultrasonic testing systems are greatly affected by the impedance characteristics of ultrasonic transducers. Conventional methods for designing matching networks consider only the characteristics of matching elements and transducer, while ignoring the effects of other elements of emission circuit. As a consequence, such method cannot give out satisfactory results. In this paper, a modeling method for ultrasonic driving circuits is proposed, which takes into account the power supply, the transformer, the matching networks, as well as the ultrasonic transducer. This method focuses on the performances both in time domain and in frequency domain. A computer simulation and experiments show that this method can provide better attenuation characteristics and energy transmission, and can be widely used for analyzing and designing matching network for ultrasonic testing systems.

The Design of the Solar Panels Automatic Tracking Controller

2014 ◽  
Vol 953-954 ◽  
pp. 123-127
Author(s):  
Rong Xia Sun ◽  
Xiao Ning Sun ◽  
Shuo Nan Wang
Keyword(s):  
Control Device ◽  
Light Signal ◽  
Control Circuit ◽  
Signal Acquisition ◽  
Single Chip ◽  
Level Control ◽  
Physical Test ◽  
Automatic Tracking ◽  
Tracking Controller ◽  
Driving Circuit

In this paper, the design is with the single chip microcomputer as the core of automatic tracking controller. The system is mainly composed of the signal acquisition part, the signal conditioning part, a control circuit and a drive circuit. The signal collection circuit composed of photosensitive resistance sensors to collect light signal, signal conversion circuit with voltage follower LM324 convert the change of light intensity to the change of the voltage, through the voltage comparator LM393 produce high and low level control stepping motor rotation; Control circuit use the AT89S52 as the main control device, output different control signals to the driving circuit; Driving circuit use the ULN2003 as driver stepper motor. Is obtained by simulation debugging, physical test, the error rate is less than 5%, in order to realize the efficient utilization of solar energy.

MicroLED Display with LTPS Backplane using Novel Driving Circuit and Optical Outcoupling Structure

2020 ◽  
pp. 184
Author(s):  
Kunio Imaizumi ◽  
Masaya Tamaki ◽  
Katsumi Aoki ◽  
Ryoichi Yokoyama ◽  
Hiroaki Ito ◽  
...  
Keyword(s):  
Driving Circuit
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