Designing a controller that balances two links adds an extra challenge when compared to the single inverted pendulum system. The additional challenge of a second pendulum can be used to demonstrate advanced controls concepts, or as a basis for research.
Linear Double Inverted Pendulum
The double inverted pendulum represents a complex challenge with real-world applications that include stabilizing the takeoff of a multi-stage rocket and modeling the human posture system.
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2 DOF Inverted Pendulum/Gantry
The 2 DOF Inverted Pendulum module consists of an instrumented 2 DOF joint to which a 12-inch rod is mounted. The rod is free to swing about two orthogonal axes. The module is attached to two Rotary Servo Base Units. Their servomotors’ output shafts are coupled through a four-bar linkage, i.e., 2 DOF Robot module, resulting in a planar manipulator robot. The 2 DOF Joint is attached to the end effector of the robot arms.
The goal of the 2 DOF Inverted Pendulum experiment is to command the position of the 2 DOF Robot end effector to balance the pendulum. By measuring the deviations of the vertical pendulum, a controller can be used to rotate the servos, so that the position of the end effector balances the pendulum.
QLabs Virtual Coupled Tanks
Same as the physical Coupled Tanks, the virtual system features a single pump and two tanks. Each tank is instrumented with a pressure sensor to measure the liquid level. The different outflow valves configurations allow to direct the flow of the liquid, while the flow rate can be changed by using outflow orifices of different diameters.
Quanser AERO Embedded
The experiment is reconfigurable for various aerospace systems, from 1 DOF and 2 DOF helicopter to half-quadrotor. Integrating Quanser-developed QFLEX 2 computing interface technology, the Quanser AERO also offers flexibility in lab configurations, using a PC, or microcontrollers, such as NI myRIO, Arduino and Raspberry Pi. With the comprehensive course materials included, you can build a state-of-the-art teaching lab for your mechatronics or control courses, engage students in various design and capstone projects, and validate your research concepts on a high-quality, robust, and precise platform.
QLabs Virtual QBot 2e
Same as the physical QBot 2e, the virtual system is an autonomous ground robot featuring built-in sensors and vision system.
Linear Flexible Joint
The Linear Flexible Joint experiment will help your students learn how to model and control real-world dynamic systems such as flexible couplings and gearboxes.
Linear Flexible Inverted Pendulum
The linear flexible inverted pendulum challenges students to gain advanced modeling and control experience by controlling both the damping of a flexible link, and an unstable inverted pendulum.
QLabs Robotics
QLabs Robotics is a collection of virtual laboratory activities that supplement traditional or online robotics courses. The virtual hardware labs are based on Quanser QArm robotic manipulator and QBot 2e mobile ground robot. The virtual twins of these robots are fully instrumented and dynamically accurate, allowing users to measure simulated sensors, including video and depth data, interact with virtual environments, and work with the same code created for the "real" robots. With QLabs Robotics, you can combine physical and virtual plants to enrich your lectures and in-lab activities and increases engagement and students’ learning outcomes in class-based or online courses.
Coupled Tanks
Designed in association with Prof. Karl Åström and Prof. Karl Henrik Johansson, the Coupled Tanks system consists of a single pump with two tanks. Each tank is instrumented with a pressure sensor to measure the water level. The pump drives the water from the bottom basin up to the top of the system. Depending on how the outflow valves are configured, the water then flows to the top tank, bottom tank, or both. The rate of flow can also be changed using outflow orifices with different diameters. The ability to direct water flow, together with variable outflow orifices allows for several interesting Single Input Single Output (SISO) configurations. Further, two or more Coupled Tanks can be combined together for Multiple Input Multiple Output (MIMO) experiments.
