motor speed control using ir sensor

... the desired system response PID controller adjusts the motor input voltage (or current) to maintain the motor speed close to the desired setpoint The feedback signal often comes from a sensor, ... motor speed The PID controller continuously adjusts the motor input to minimize the difference between the setpoint and the actual speed Trang 1010 Software Programing We implement a speed control ... set speed and actual speed), integral of error, and derivative of error PWM Output Function (pwm_speed_out): PWM Mapping: Maps the PID control output to PWM signals for controlling the motor speed

Ngày tải lên: 17/06/2024, 17:07

... Synchronous speed is the speed at which the stator flux rotates Rotor flux rotates slower than synchronous speed by the slip speed This speed is called the base speed The speed listed on the motor ... induction motors are broadly classified in two categories: squirrel cage motors and slip ring motors The stator construction is the same in both motors Squirrel Cage Motor Almost 90% of induction motors ... 4-pole motors are the most widely used motors Synchronous Speed (Ns) = 120 x F/P where: F = rated frequency of the motor P = number of poles in the motor Base Speed N = Synchronous Speed – Slip Speed

Ngày tải lên: 11/01/2016, 14:28

... 5v (monitor position and direction of rotation); Figure 28: DC Gear Motor with Quadrature EncoderDC Motor Driver● Bi-directional control for 1 DC motor; ● Support motor voltage ranges from 3V ... a stable motor speed response, it is essential to fine-tune the PID parameters of the system The resulting output from the PID controller should effectively maintain the desired motor speed, and ... the motor. Figure 22: Decoding Rotary Encoder for Speed Control Block DiagramSystem Block DiagramFigure 23: System Block Diagram of Speed Control An alternative to employing a GreenPAK for PID control

Ngày tải lên: 28/05/2022, 09:58

... Open Loop V/f speed control method using PI controller 42 4.3.3 Closed Loop V/f speed control method using PI controller 44 4.4 Vector Control Method 47 4.4.1 d-q Equivalent Circuit 47 ... Appendix 3: MATLAB Code for Speed Control of 3-  Induction motor using Constant V/f control 60 Appendix 4: MATLAB Code for Closed Loop Speed Control of 3-  Induction motor using Constant V/f 62 ... of electric motors is known as an electrical drive In electrical drives, use of various sensors and control algorithms is done to control the speed of the motor using suitable speed control methods

Ngày tải lên: 18/12/2013, 22:06

... PWM channels for easy bidirectional motor control through the hardware This application note focuses on using the ECCP in PWM mode using the full-bridge configuration Using the ECCP allows easy ... bidirectional BDC motor control This application note will discuss the following: • Calculating ECCP PWM Parameters • Initializing the ECCP in full-bridge PWM mode • Bidirectional BDC Motor Control ... average voltage across the motor, which changes the motor's speed The PWM duty cycle is calculated by using Equation 3 The average voltage across the BDC motor is calculated by using Equation 4 Resolution

Ngày tải lên: 11/01/2016, 14:35

... Pairs x 6 Speed Reference = Rated Motor Speed x ADC Value Maximum ADC Value #define MOTOR_RATED_SPEED ‘3500’ #define MAX_SPEED_REFERENCE ‘256’ SPEED_REF_RATIO = MOTOR_RATED_SPEED* 0xFF / MAX_SPEED_REFERENCE ... Decelerate Motor Motor Speed Ref = 0 ? Toggle Direction Bit, Toggle LED4 Accelerate Motor to Set Speed Is Status Run? Accelerate Motor to Set Speed Is Status Stop? Decelerate Motor to Set Speed Trang ... useful in determining the speed of the motor Measuring the speed and controlling the motor in closed loop is discussed in detail in the section “Closed-Loop Control Using Hall Sensors”. Upon IC interrupt,

Ngày tải lên: 11/01/2016, 14:35

... 5 Flowchart–Open-Loop Control ISRs Trang 9Speed ControlInput MSP430 Closed Loop Control Motor Drive Circuit Motor PWM Control Feedback While designing Hall sensored motor control solutions, there ... BLDC motor control Similar to the open-loop control, closed-loop control regulates the speed of the motor by directly controlling the duty cycle of the PWM signals that direct the motor-drive circuitry ... and the actual motor-speed feedback to update the timer PWM duty cycle that, in turn, controls the motor speed 3.2.2 Motor-Speed Feedback (Using Hall Sensors) The actual motor speed is calculated

Ngày tải lên: 21/10/2016, 10:48

... point tracking (MPPT) control strategies have been developed [3-4] This control method calculates the optimal rotor rotation speed for varying wind speeds However, these control strategies may ... adaptive sliding mode control strategy for speed tracking problem, they designed the controller based on SMC, Backstepping Sliding Mode Controller (BSMC) to track the rotor speed for maximum power ... researchers applied DSC to control of nonlinear systems [9-10] In this paper, we propose a controller using DSC technique to adjust the rotation speed of roto tracking desired value from MPPT By

Ngày tải lên: 27/09/2020, 14:41

... speed limit (control variable) Carlson et al (2010a) re-parameterized the desired speed with the VSL rate, which is equal to the VSL-induced free-flow speed divided by the non-VSL free-flow speed ... highway using enforced VSL (Hoogen and Smulders 1994) Test results showed that speed control was effective in reducing speed and speed variation, as well as the number of shock waves An empirical ... speed dynamics (Eq 3), an appropriate speed limit using flow-density-speed threshold-based VSL control algorithm were assigned to each link in the micro-simulation model This candidate VSL control

Ngày tải lên: 02/11/2022, 09:29

... design of sensorless control schemes of the of induction motor drive to improve the stability and the robustness of the control system The advantages of speed sensorless induction motor derives ... L L   2  2.2 Direct field oriented control Direct Field oriented control (DFOC) technique is intended to control the motor flux, and thereby be able to decompose the AC motor current into ... analysis of the sensorless vector control system using MRAS is presented and the resistance parameters variations and speed observer using new Fuzzy Self- Tuning adaptive IP Controller is proposed

Ngày tải lên: 04/12/2022, 16:01

... difficult to control This paper presents a new method to control the speed of switched reluctance motor based on backstepping technique and nonlinear state observation This controller is first applied ... switching lock, increasing the accuracy in controlling this motor The state variables of the controller are approximated by nonlinear state observer, including speed observer, flux observer, and rotor ... stability of the closed control loop was analyzed using Lyapunov stability criterion The simulation is carried out with both traditional backstepping controller and the backstepping controller combined

Ngày tải lên: 11/01/2023, 15:20

... estimates the speed, which is feedbacked to perform the sensorless speed control of the DC motor Trang 105.1 Simulation resultsA sensorless PI-based speed control system is built using Simulink/MATLAB ... closed-loop sensorless speed control Furthermore, a simulink model and its experimental validation have been presented of a FOAKF estimator-based sensorless speed control mechanism for DC motor at ... various control approaches are used, in general emphasis is given to controlling the speed of the machines To achieve effective speed control, a closed-loop control system is used, in which motor

Ngày tải lên: 01/03/2024, 15:59

... activeand semi-active control A control law is said to be active when thecontrol signal directly feeds an actuator that applies the desired feed-back control force With an active control scheme, energy ... considersseveral semi-active control strategies using MR dampers for thecontrol of a six-storey building These control algorithms include aLyapunov controller, decentralized bang-bang controller, modulatedhomogeneous ... characterization, design andcontrol purposes These models are referred to as phenomenological or semi-physical models Systems with Hysteresis: Analysis, Identification and Control using the Bouc–Wen Model

Ngày tải lên: 12/12/2013, 22:41

... with Sensored Brushless motor When using HobbyKing Sensored Brushless motor, the Blue motor wire A, Yellow motor wire B and Orange motor wire C of the ESC must connect with the Sensored motor wire ... connect the Sensor wire to the “Sensor” socket on the ESC Don’t change the wires sequence optionally * Connected with Sensorless Brushless motor When using HobbyKing Sensorless Brushless motor, the ... the Blue motor wire A, Yellow motor wire B and Orange motor wire C of the ESC can be connected with the motor freely If the motor runs in the opposite derection, please swap any two wire connections

Ngày tải lên: 16/03/2014, 12:20

... constant speed of 30 µm/s (a), with a dynamic control (b), and with a dynamic control and at a variable speed (c). Figure 2 Comparative line traces for a usual scanning (black) and with a dynamic control ... of the scan speed value according to a particular transient response of the PI controller output signal In the present paper, we used both the dynamic controller method and variable-speed scanning ... to Zhang et al [7], the scanning speed was determined by the behavior of the error signal controls (which was the input signal for the PI controller) The PI controller output bandwidth can be

Ngày tải lên: 21/06/2014, 17:20

... empty sensor field (0 stationary sensors) 0 50 100 150 200 250 300 (b) Paths followed in a sparse sensor field (100 stationary sensors) 0 50 100 150 200 250 300 (c) Paths followed in a dense sensor ... for applications ranging from environmental monitoring to military applications [2] In this paper we consider the problem of monitoring a large area using wireless sensor networks (WSNs) in order ... simulation results using various sensor fields with randomly deployed sensor nodes Section 6reviews related work in two research fields, the area coverage for both stationary and mobile sensor networks

Ngày tải lên: 21/06/2014, 22:20

... Induction Motor with Torque Control 33 José de Oliveira, Ademir Nied, Mário Henrique Farias Santos and Rogério Pinho Dias Part 4 Sensorless Torque Control 47 Chapter 4 Sensorless Torque/Force Control ... electric motors precisely as needed, resulting in saving of energy In this book various methods of control of electric motors are discussed Sensorless control of motors requires the estimation of speed ... Asif Sabanovic Part 5 Direct Torque Control 69 Chapter 5 Speed Estimation Using Extended Filter Kalman for the Direct Torque Controlled Permanent Magnet Synchronous Motor (PMSM) 71 M S Merzoug

Ngày tải lên: 29/06/2014, 09:20

... 1HIGH-SPEED OPTICAL COMMUNICATION AND SENSORSYSTEMS YANG JING NATIONAL UNIVERSITY OF SINGAPORE 2011 Trang 2MANAGEMENT OF FIBER PHYSICAL EFFECTS IN HIGH-SPEED OPTICAL COMMUNICATION AND SENSORSYSTEMS ... section, optical sensor using fiber Bragg grating as well as the dis-tributed fiber sensor based on nonlinear effect (stimulated Brillouin scattering) are in-troduced 1.3.1 Optical Sensor Based on ... Future Work 126 Trang 8Optical fiber plays a key role in both high-speed optical communication and sensorsystems High-speed optical fiber transmission systems have been studied for severaldecades

Ngày tải lên: 11/09/2015, 10:01

... between desired response and the controlled system output Thus, the inverse SVR model acts directly as the controller in such a configuration Model predictive control (MPC) or receding horizon control ... linearization control), and nonlinear model predictive control Fuzzy control is a kind of control approach that uses fuzzy set theory Fuzzy sets were first proposed by Zadeh (1965) Fuzzy control offers ... neural direct inverse control and neural internal model control belong to feedback linearizing control while neural model predictive control falls into the category of nonlinear model predictive control

Ngày tải lên: 22/10/2015, 21:14

... Trang 1WATER QUALITY CONTROL USING DIVERSITY ORIENTED FLUORESCENCE LIBRARY APPROACH XU WANG NATIONAL UNIVERSITY OF SINGAPORE 2015 Trang 2   Trang 3WATER QUALITY CONTROL USING DIVERSITY ORIENTED ... Fat Amount Determination in Milk Quality Control Using a BODIPY Fluorescent Sensor-based Detector 70 3.1 Introduction to milk fat and milk quality control 71 3.2 Development of an image based ... structures However, a large amount of both environmental and biological species lack their specific sensors and the designing is hampered by their eccentric properties Diversity oriented fluorescence

Ngày tải lên: 30/10/2015, 17:03