Input-Current and Load Voltage Sharing in Input-Parallel Output-Series Connected Boost Half Bridge DC-DC Converter Using Stable Control Scheme

2014 ◽  
Vol 12 (5) ◽  
Author(s):  
Amir Mahmood Soomro ◽  
Shahnawaz Farhan Khahro ◽  
Shahnawaz Talpur ◽  
Liao Xiaozhong ◽  
Farhan Manzoor
Keyword(s):  
Input Current ◽  
Load Voltage ◽  
Control Scheme ◽  
Stable Control ◽  
Parallel Output

Position Tracking and Attitude Stable Control for an Unmanned Quadrotor Vehicle

2013 ◽  
Vol 645 ◽  
pp. 492-496
Author(s):  
Hui Bai ◽  
Hong Yu Wang ◽  
Shi Huang Shao
Keyword(s):  
Dynamic Model ◽  
Control Strategy ◽  
Dynamic Inversion ◽  
Position Tracking ◽  
Attitude Stabilization ◽  
Control Scheme ◽  
Channel Control ◽  
Stable Control

A simplified dynamic model of the quadrotor is established. A multi-channel control scheme based on PID and dynamic inversion is proposed. Four channels are designed to achieve the position tracking and attitude stabilization of the quadrotor. A simulation shows the validity and good features of the control strategy.

Delayed Bilateral Teleoperation of the Speed and Turn Angle of a Bipedal Robot

Robotica ◽  
2020 ◽  
pp. 1-19
Author(s):  
Viviana Moya ◽  
Emanuel Slawiñski ◽  
Vicente Mut
Keyword(s):  
Force Feedback ◽  
Shared Control ◽  
Human Operator ◽  
Bilateral Teleoperation ◽  
Bipedal Robot ◽  
Turn Angle ◽  
Control Scheme ◽  
Varying Time Delay ◽  
Delay Dependent ◽  
Stable Control

SUMMARY This paper proposes a shared control scheme which aims to achieve a stable control of the speed and turn of a bipedal robot during a delayed bilateral teleoperation. The strategy allows to get a delay-dependent damping value that must be injected to assure a bounded response of the hybrid system, while simultaneously, the human operator receives a force feedback that help him to decrease the synchronism error. Furthermore, a test where a human operator handles the walking of a simulated bipedal robot, to follow a curve path in front of varying time delay, is performed and analyzed.

scholarly journals Improved Control Method for Voltage Regulation and Harmonic Mitigation Using Electric Spring

2021 ◽  
Vol 13 (8) ◽  
pp. 4523
Author(s):  
Mahdi Shademan ◽  
Alireza Jalilian ◽  
Mehdi Savaghebi
Keyword(s):  
Control System ◽  
Critical Load ◽  
Control Method ◽  
Harmonic Distortion ◽  
Voltage Regulation ◽  
Simulation Studies ◽  
Distortion Compensation ◽  
Load Voltage ◽  
Control Scheme ◽  
Grid Side

An electric spring (ES) with series connection to non-critical loads (NCLs) is mainly known as a smart load (SL) technology that can compensate undervoltages and overvoltages. In this paper, an improved control method is presented for the electric spring to regulate the effective value of the critical load (CL) voltage to the nominal value and to compensate the harmonics of the critical load voltage caused by the grid side. The electric spring’s performance for simultaneous voltage magnitude regulation and harmonic distortion compensation is investigated through simulation studies. The results are compared with those of a conventional control scheme. It has been demonstrated that the electric spring, using the improved control system, reduces the amplitude deviation and distortion of critical load voltage.

scholarly journals Analysis and design of new droop control scheme for three-phase parallel inverters in standelone Microgrid.

2016 ◽  
Vol 19 (1) ◽  
pp. 5-19
Author(s):  
Phuong Minh Le ◽  
Huy Minh Nguyen ◽  
Hoa Thi Xuan Pham ◽  
Tho Quang Tran
Keyword(s):  
Reactive Power ◽  
Voltage Drop ◽  
Voltage Regulation ◽  
Power Sharing ◽  
Output Impedance ◽  
Load Voltage ◽  
Analysis And Design ◽  
Proposed Model ◽  
Three Phase ◽  
Control Scheme

This paper presents a new load sharing technique for parallel-connected three-phase inverters in Standelone Microgrid. The paper proposed improvements droop controller to accurate load share by ratio with rated power of the inverter. In addition, the proposed scheme ensures reduced load voltage droop due to the load and droop. In the paper, the active power and reactive power are divided by voltage regulation under reference voltage in conditions of stark difference between line impedances, In addition the paper presents the ability to overcome the disadvantages of traditional droop scheme. The proposed model is simulated by Matlab-Simulink for 3 parallel-connected threephase inverters. The simulation results proved the technical soundness and advantages of the proposed in comparision with a tradition scheme even if the output impedance is resistance reactance in power sharing and load voltage drop reduce problems.

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