A Stepper Motor Driver

The research content of this paper is to design a push system for an Aluminium tube to be cut on the cutting machine. The system consists of one driving pulley, one idler pulley, and a timing belt. The stepper motor will drive the pulley and the stopper attached to a timing belt will push the Aluminium tube further. This paper describes the process of developing a push system using a stepper motor driver, membrane keypad, Nokia LCD, and a microcontroller board. Different types of stepping mode and the formula for the number of pulses to be sent to a stepper motor are derived and tested. The result of the paper shows that a stepper motor along with the electronic components improves accuracy for a push application and can be used.

Step motors are widely used in motion control systems. The step motor controller must perform high-precision positioning and smooth movement operation. In motion systems applying velocity profile control, the velocity of the motor gradually increases or decreases, to avoid the negative effect caused by the sudden change in velocity. Previous research proposes several step motor controller designs, that contain several modules, including a velocity profile generator, step motor driver, and feedback counter. These controllers are able to perform precise positioning and provide smooth motion operation. However, because these controllers operate in an open-loop control so the synchronous condition can be lost when disturbances in load torque exist. This paper presents the application of closed-loop control in the step motor controller. The control algorithm is based on two mode operations: open-loop and closed-loop. The controller operates in open-loop mode when it remains synchronized, and switches to closed-loop mode when it loses synchronization. This paper presents an algorithm for generating various velocity profiles and closed-loop control algorithms. The experiment is performed on a 16-b DSP, to verify the performance of the design. The experimental results show a velocity profile of unsymmetrical shape and demonstrate effective closed-loop control in an actual step motor system

Most times in engineering and other fields, engines need to be transformed from one form to another, in circuits and most components we are familiar with, electrical engines, impulses, digital information, etc need to be changed from one level to another, a motor does this, be it in any kind, pending on the desired function. This literature review examines various research studies that have been done using the PIC 16F84 microcontroller to control stepper motors. The PIC 16F84 is a popular choice for stepper motor control applications due to its simplicity, low cost, and ease of programmability. This review highlights several key control techniques implemented using the PIC 16F84, including full-step mode, half-step mode, closed-loop control with position feedback, and speed control. The peripheral interfacing aspects are also discussed, covering the integration of stepper motor driver circuits, rotary encoders, and user interface components. The firmware development approaches for the PIC 16F84 are explored, demonstrating how researchers have programmed the microcontroller’s digital I/O, timers, and interrupts to precisely control the stepper motor windings and respond to feedback signals. While the PIC 16F84 has proven to be a capable platform for stepper motor control, the review also identifies some limitations, such as the microcontroller’s restricted resources and potential scalability challenges as the complexity of the control system increases. Suggestions for future research include exploring more advanced microcontrollers, integrating the PIC 16F84 with additional hardware, and developing more sophisticated control algorithms to enhance the performance and robustness of the stepper motor control systems. The CMOS circuit stands as the drive circuit between the PIC IC and the stepper motor which provides precision in advanced control methods of design and production. Keywords: Stepper motor, Controlled, PIC 116F84, Microcontroller

An inverted microscope is designed to have a stage in which the specimens can be placed for microscopy. Most of the biological microscope is built in with static or manual adjustable stage which cannot provide consistent and precise adjustment to move the specimen during microscopy. As an add-on to the microscope stage, the existing motorized 2-axis linear stage in the market is bulky and heavy. Therefore, a lightweight and joystick controllable bipolar stepper motor X-Y translational stage was proposed to solve the problem. In our design, the joystick functions to provide input signals to the Arduino Mega microcontroller in order to control the position of the X-Y translational stage. For the X-Y translational stage, the stepper motors of a pair of the linear slides were driven by a micro stepping motor driver with full scale drive signal to provide controllable stepping movement. It was found that full scale drive signals could support higher resolution of movement at 99 + 13 µm. The overall X-Y translational stage weighted approximately 700 g. As a conclusion, the light weight stepper motor based X-Y translational stage allows the user to move the specimen in a small stepping size during microscopy.

Design and Investigation of a low-cost elbow rehabilitation tool

The design and realization of a PC-based continuous passive motion device (CPM) for shoulder joint recovery was done. This machine can be used after performing an operation, or for patients suffering from joint motion limitation due to early stage of frozen shoulder. The system consists of a PC, a 8255, a motor driver and stepper motor, an application software, a mechanical module and a forearm orthotic. The experimental results showed that pulse signals are able to control the motor driver which in turn controls the stepper motor according to the predetermined parameters. The stepper motor is also able to provide bi-directional motions at the predetermined durations and velocities (low, medium, and high). By adjusting the delay time in the software, the PC-Based CPM can produce smooth motion.

The aim of this project was to create a Pan/Tilt Ground Station that would provide a robust frame capable of accommodating the future needs of the BOREALIS program. This goal was accomplished through the incorporation of: stepper motors, increased rigidity, increased accuracy, increased torque, built in solar sight, 3600 rotation capability, and an ability to easily swap out components. The implementation of a gear system into the design increased both the torque from the motor and the overall resolution provided to the system. Robust metal fabrication and bearings provided a significant increase in rigidity as compared to the previous design. A permanently mounted solar sight reduced set-up time and eliminated possible human error involved in the set-up process. Stepper motors were chosen due to their high degree of accuracy when using a tic 36v4 motor driver. Through the use of stepper motor’s, motor drivers, and an 8:1 gear ratio, this ground station has a resolution of 0.001°. These drivers were run by an arduino through I2C sending position data to control the motors as well as running a GPS. This arduino was connected to a laptop and controlled by a C# program using sun tables and GPS coordinates to track the balloons position throughout the duration of the flight.

The article describes investigation of electrohydraulic valve with the stepper motor. In proposed here valve, the spool was connected directly to the shaft of the motor by the coupling bellows and the thread. Authors collected basics characteristics like: static flow characteristics and step response. Author prepared dedicated test stand equipped with the flow meter. The system work under PLC with input/output cards and motor driver. Author built also an simulation model of the stepper motor and valve. The experimental data was compare to the simulation experiment. The collected information like dynamic characteristics can be used to estimate the position of the actuator or supervise his work.

The object of this study is a large-scale Cartesian 3D printer with a build volume of 2 × 2 × 2 meters, equipped with BLDC servo motors on the X and Y axes, a NEMA 34 stepper motor on the Z axis, and a NEMA 17 stepper motor for filament extrusion. The main problem addressed is the limitation of existing firmware, which only supports bipolar stepper motors (NEMA standard), making it unsuitable for achieving the higher extruder speeds required in large-format printing. To overcome this issue, a new firmware was designed to support brushless direct current (BLDC) servo motors, enabling faster, more stable, and more precise motion control. The developed firmware, based on the ESP32 microcontroller, processes G-code instructions step by step, calculates motor commands, and communicates them to BLDC motor drivers (FSESC 4.12 on the VESC platform) with encoder feedback for accurate positioning. Experimental results demonstrated reliable synchronization of the X and Y axes across different speeds and distances, with average positioning errors of 0.9% on the X-axis and 1.03% on the Y-axis. The system operated stably within a rotational speed range of F8000–F54000 (1000–7000 RPM) and a printing speed range of 92–800 mm/s, confirming the firmware’s capability to handle both low- and high-speed operations. The interpretation of the results provides superior acceleration, precision, and stability compared to stepper-motor-based systems. A distinctive feature of this work lies in adapting G-Code step execution for BLDC motors, which has not been widely implemented in existing 3D printing firmware. The practical significance of the results is the potential application of this firmware in large-scale and high-speed 3D printers. This makes the approach highly relevant for advanced manufacturing industries where precision, scalability, and efficiency are critical

A Study of Development of a Dedicated Control IC for a Five Phase Stepper Motor Driver

This paper deals with the design of a drive system of traversing mechanism used to position the pitot tube in desired position of the jet flow field. In this system a stepper motor is driven by a ‘dual H bridge’ motor driver and programmed Arduino microcontroller. The stepper motor is made to move in precise steps to obtain desired movement of the traversing mechanism. The jet flow is characterized in three distinct zones – initial zone, transition zone and developed zone. Each zone can be divided into required number of segments based on variation of velocity. By assigning number of segments, step range and number of steps in each segment as inputs, it is possible to collect data in all the flow zones according to our programmed schedule. The system will allow taking a large number of readings automatically.

In order to obtain road information to process and requiring movement precision for intelligent mobile robots, we propose solution based on data collection and analysis to control motor. First, we introduce the basic method of serial communication on Matlab. Then, we design PC serial communication and test platform with step motor in Matlab environment. Finally, we can control the mobile robots’ motor driver by processing external data with Matlab. The results show that the solution improves the data-process ability of intelligent sweep-robots, greatly simplifies the development process, improves the efficiency of system development, and can be humanized to write and modify mobile robots’ motion path by PC.

Three-dimensional (3D) scanning technology is pivotal in manufacturing, product design, and architecture, enabling precise digital reconstructions of real-world objects. However, existing 3D scanners are often costly and complex, hindering accessibility. To address this, our study presents a cost-effective 3D scanning system using Arduino technology. Utilizing an Arduino Nano, GP2Y0A21YK0F IR Sensor, stepper motors, motor drivers, and an SD card module, our system offers a simple solution for scanning small objects and creating 3D models. The scanner measures object distance, rotates a work table, and captures scan data, processed with MeshLab software. Successful scanning demonstrates affordability and automation. Future work will focus on optimizing accuracy and scanning speed.

The growth of technology has an important role in supporting medical equipment facilities, especially for tools for providing compression or cardiopulmonary resuscitation (CPR). CPR is a first aid measure for victims of sudden cardiac arrest in which cardiac compression is carried out for 4 cycles, each cycle consisting of 30 compressions. CPR given manually can endanger the victim due to certain factors such as insufficient or excessive pressure applied. So that the above can be realized, a tool is needed that can make it easier for someone to check their heart rate on their skin quickly and effectively. The MAX30102 sensor is a sensor that can calculate heart rate. This research aims to create an optimal automatic cardiopulmonary resuscitation device to help victims continue to breathe. This RJP tool uses a Nema 23 stepper motor as the driving motor, the motor driver uses a TB6600 driver as the motor controller. During testing, 1 minute produced 103 compressions and 30 compressions in 18 seconds. The torque strength of the stepper motor is only capable of lifting a load of 7 kg, the torque produced is 2.06 Nm. This research also uses sensors to detect heartbeats. This allows the device user to monitor the patient's heartbeat while undergoing RPJ.

Remote monitoring of industrial machines is important in order to have high productivitycontinuous process control. New emerging technologies such as Internet of Things (IoT), arefacilitating the process of automation and remote controlling in multiple ways. In this researchwork, a robotic manipulator based on PUMA robot structure and an intelligent remotemaintenance system is developed aimed to ensure the continual accurate operation of a roboticmanipulator. Entire manipulator is designed from different types of motors like DC motors,stepper motors and servo motors along with their motor drivers. Various types of sensors likeTachometer, DHT11 Temperature and Humidity sensor, Capacitance meter and EMFDetector are also designed and interfaced with the manipulator for identification of differentfaults. Android App and Wi-Fi module are used for the remote-controlled automationpurposes. The authors were succeeded in detecting various faults in the robotic manipulatorand notifying the operator in real-time.