scholarly journals NONLINEAR EFFECTS IN THE PULSE-WIDTH CONTROL SYSTEM FOR THERMOTECHNICAL OBJECT

2017 ◽  
Vol 2 (9) ◽  
pp. 188-192
Author(s):  
Гольцов ◽  
Yuriy Gol'cov ◽  
Кижук ◽  
Aleksandr Kizhuk ◽  
Рубанов ◽  
...  
Keyword(s):  
Control System ◽  
Pulse Width ◽  
Nonlinear Effects

Designing of Robot Gamelan Music using ATmega 16 Microcontroller

2017 ◽  
Vol 6 (2) ◽  
pp. 121
Author(s):  
Handri Jir Azhar ◽  
Ferry Hadary ◽  
Syaifurrahman Syaifurrahman
Keyword(s):  
Control System ◽  
Pulse Width ◽  
Pulse Width Modulation ◽  
Pd Control ◽  
Rotary Encoder ◽  
Motor Velocity

This paper presents a robot concept which is the robot can play the instrumental Gamelan music. Gamelan is a percussive instrument. Instrumental Gamelan music keys are consist of 2 octaves in 15 tones. Robot Gamelan music is using proportional-derivative (PD) control system. PD control of the robot is by controlling DC gear motor position to desired Gamelan key position. Robot Gamelan music using ATmega 16 microcontroller as a controller. Feedback of PD control is using magnetic rotary encoder (MRE) sensor. PD control is using the constant. The constant functions of PD control are determining the pulse width modulation (PWM) toward DC gear motor velocity in order to reposition a gamelan key position and pushing down the errors.

Longitudinal Control of Automated Guideway Transit Vehicles Within Platoons

1978 ◽  
Vol 100 (4) ◽  
pp. 302-310 ◽  
Author(s):  
S. E. Shladover
Keyword(s):  
Control System ◽  
Asymptotic Stability ◽  
Nonlinear Effects ◽  
Longitudinal Control ◽  
Describing Functions

This paper demonstrates, via analysis and simulation, the feasibility of a vehicle-follower control system which maintains intervehicular spacings of 30–60 cm within platoons of automated guideway transit (AGT) vehicles. Asymptotic stability of the platoon is shown to be achievable when each vehicle references its speed to that of the platoon leader. Jerk limiting, which is regarded as essential for all AGT longitudinal controllers, is shown to be potentially destabilizing. The nonlinear effects produced by the jerk limiter are analyzed by use of describing functions, and it is demonstrated how the undesirable effects can be avoided.

scholarly journals Design of a Pulse-Width-Modulation Spacecraft Attitude Control System Via Digital Redesign

1999 ◽  
Vol 32 (2) ◽  
pp. 8033-8038 ◽  
Author(s):  
Tohru Ieko ◽  
Yoshimasa Ochi ◽  
Kimio Kanai ◽  
Noriyuki Hori ◽  
Peter N. Nikiforuk
Keyword(s):  
Control System ◽  
Attitude Control ◽  
Pulse Width ◽  
Pulse Width Modulation ◽  
Spacecraft Attitude ◽  
Spacecraft Attitude Control ◽  
Attitude Control System ◽  
Digital Redesign
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