1 Introduction
In various theme parks or tourist attractions, immersive experiential amusement equipment has become sought after by tourists, through real scenes or 3D movies and other sports cooperation with smart cars or platforms, virtual and real interaction, allowing tourists to shuttle in ancient adventures, disaster escape and other thrilling scenes or in parent-child entertainment, popular science education and other joyful atmosphere, generating real and shocking senses.
In addition to experiencing these thrilling projects, did you know that there might be Lenze behind it, yes? In addition to the gripping storyline and wonderful special effects, it is also inseparable from the seamless combination of delicate action coordination and special effects of the equipment platform, which is also a complete automation system, even a fairly advanced automation system. Among them, the accuracy, stability and reliability of hardware equipment are the basic conditions to ensure the experience effect of tourists, and the realization of different levels of safety specifications is also the top priority of amusement facilities. As one of the most innovative companies in the industry, Lenze takes drive and automation as its core competitiveness, providing safe, efficient, stable and reliable automation systems for amusement rides, and providing flexible and tailor-made solutions for different application requirements.
Here are a few typical applications of Lenze solutions for the amusement ride industry in terms of electrical and control.
2 Walking applications
When you experience the amusement project, you feel that the body is moving, which may be the walking application, the walking application is a typical application of the amusement platform, according to the different requirements and load conditions of the platform, there are different mechanical transmission forms, such as wheels, Ω drives, friction wheels, wire rope traction, etc.
Fig. 1: Two-wheel or four-wheel drive (single or dual motors in parallel) Fig. 2: Omega timing belt drive PIC 3: Wire rope traction PIC 4: Friction wheel drive (single or double wheel drive and four-wheel drive) Different travel transmission modes have their own customized control schemes according to different control requirements to achieve position, speed, torque or their combination control. In the multi-axis synchronous drive, it can drive one-to-one multi-motor servo control, multi-axis synchronous control, and the control algorithm of Lenze intelligent drive realizes load balancing of each axis regardless of complex road conditions such as curves and ramps.
Figure 5: Schematic diagram of the electrical principle of one-to-two torque distribution of a drive Figure 6: Schematic diagram of the electrical control principle of two drives and two motors In applications with certain requirements, in addition to the servo control of the walking motor, it is also necessary to access the external position sensor to achieve full closed-loop control to ensure the control accuracy, usually the external position sensor is laser ranging, barcode reading or rope encoder, etc. The Lenze solution can be implemented in two ways, with an external position sensor plugging into the controller and an access driver.
Access controller: The Lenze controller acts as a servo position ring, and the driver realizes the speed loop to form a full closed-loop control.
Access driver: The Lenze driver can be independently controlled in a full closed loop, and the driver interface can be connected to multiple encoders of different specifications at the same time.
3 Multi-joint motion applications
The application of tandem joint motion is an important direction in the application of amusement facilities, which can easily simulate the experience effects of flight, weightlessness, diving, etc., similar to the application of industrial robots, but compared with the application of industrial robots, the safety specifications of its design, the real-time coordination of the motion path and the linkage with peripheral auxiliary facilities are quite different, and the number of joints varies from one axis to multiple axes due to different applications.
Lenze offers a wide range of configuration solutions, depending on the power and number of axes of motion, the drive can be flexibly selected as a single-axis drive module or a multi-axis drive module, three-phase AC power supply or DC bus power supply, with or without an energy feedback unit, etc. According to the different motion accuracy and response characteristics, it is equipped with three-phase ordinary motors, 120HZ high-efficiency motors, AC asynchronous servo motors, AC synchronous servo motors, etc., which can be matched with Lenze's full range of GNG and G500 reducer products.
Depending on the functional requirements of the project, controller-based or drive-based control or mix-and-match control can be selected. In the independent functional area, the module function can be completed independently based on the drive control mode, which is not affected by the host computer, and ensures the operation of the equipment to a safe state in case of failure or emergency; Based on the controller control mode, it can be coordinated and comprehensively controlled, which is convenient for multi-axis coordinated movement.
4 Lenze Solution Highlights
Lenze translates its application experience in the drive and automation industry into a proven standard application template for its customers.
Lenze's wide range of drivers supports a wide range of fieldbuses, independent complex motion control functions, and supports the CIA402 protocol, all with multiple protection functions and high overload capability.
The Lenze servo drives integrate STO safety functions, with the 9400 drives integrating the SM301 safety module in accordance with SIL 3 of IEC 61508 and Category 3 / PL e of EN ISO 13849-1 for additional safety functions.
Lenze servo motors are available with optional safety encoders, safety functions in a single code concept, as shown in the following table:
Note: The speed-dependent safety function is related to the SM301 safety module, and when only a single feedback system is used in a safety environment, the applicable safety technical standard IEC 61800-5-2 [Speed control electric power drive systems - Safety requirements - Function description] specifies the specific requirements for the connection of the feedback system to the motor shaft. This is because the two-channel safety system in the mechanical system is actually designed as a single-channel system at this point. If the mechanical connection design is oversized, the standard should be able to troubleshoot "Encoder-Shaft Breakage" or "Encoder-Shaft Serial". Therefore, the acceleration of the individual drive solutions should not exceed the limit values.
The Lenze controller supports OMAC PackML standard programming, standardizing coding standards, greatly reducing project programming time and improving code reuse.
Perfect engineering tool software, from the project concept stage to design, commissioning, maintenance of the whole process support, to assist you rough estimate, accurate selection, basic safety verification, etc., professional development and debugging software and maintenance diagnosis software suitable for use by professional and technical personnel and maintenance personnel at different stages.
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