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As we all know, stage lifting platforms are constantly in motion during performances, and their speed and accuracy directly impact the overall quality of the show. This makes it essential for the control system to be both precise and reliable. Unfortunately, most stage lifts currently used in China rely on manual controls or basic microcontroller systems, which suffer from low automation levels and unpredictable performance parameters. These limitations can lead to inconsistencies and reduce the overall effectiveness of the stage production.
To address these challenges, we have developed a state-of-the-art computerized control system for stage lifts. Designed with a user-friendly Windows interface, this system offers simple operation, high precision, and fast response times, making it ideal for complex and dynamic stage environments.
Jinan Jinchuan Hydraulic Machinery Co., Ltd. is a leading manufacturer specializing in hydraulic lifts and related equipment. With years of experience and continuous innovation, the company has become one of the top producers of hydraulic, rail, and aluminum alloy lifts in China. Their commitment to quality and technological advancement has allowed them to establish a strong reputation in the industry.
1. Control Objectives and Requirements
The system is designed to manage seven screw-type lifting platforms. The key requirements include:
a) A travel range of ±2 meters for each platform.
b) The ability to stop at any pre-set position within the travel range.
c) The flexibility to select and combine any number of lifting platforms as needed.
2. Control Strategy
Each lifting platform is driven by a motor that rotates a lead screw. This rotation moves a nut fixed on the platform, resulting in linear motion. With a total gear ratio of 18.52 and a lead screw pitch of 32 mm, each motor revolution results in a movement of 1.7 mm. To achieve higher precision, four sampling points are set along the motor shaft, allowing each counting unit to correspond to a 0.4 mm movement.
In the control system, the computer sends signals to the motor control unit, initiating the lifting process. Sensors mounted on the motor shaft continuously collect data, which is then compared with preset values and synchronized with other platforms. This allows the system to accurately determine the position and movement parameters of each platform and make real-time adjustments. As the platform approaches the target position, the computer slows down the motor to ensure smooth and precise arrival.
This advanced control system not only improves the efficiency and reliability of stage operations but also enhances the overall visual and technical quality of performances. For more information about our products and services, please visit Jinan Jinchuan Hydraulic Machinery Co., Ltd. We welcome any inquiries and look forward to supporting your next stage production. (http://)