This article introduces the design system (hereinafter referred to as ST control system) designed by UK Stage Technologies (hereinafter referred to as ST Company) after participating in the construction of a considerable number of entertainment venues. ST has not only cooperated with the opera house (such as the Royal Opera House in London), but also participated in the stage of other venues and concert stage machinery and other projects; at the same time, but also for many large-scale performances, such as Las Vegas The circus "Ka", "Love", "Elvis", "Zumanity", and the large water features of the city of Macau, "Water Dancing", provide control systems. Therefore, ST companies understand these types of performance projects in the stage control on a special demand, and in the control system to add the corresponding new content.
For a long period of time, because the same performance will be repeated in the fixed theater for many years, this set of hanging equipment is not very high requirements. But with the complexity of the stage movement to improve the performance of the scene during the interaction with the actors greatly increased. This complexity is manifested in the following aspects:
1 show the number of axes increased
The axes that were previously installed in the opera were only moving in a very small range (usually less than 20%), and now these axes are usually moved 100% in the performance, and the number of times is three times before. And a performance in the stage of the mechanical action instructions is the previous 100 to 200 times.
2 Axis / Scene interaction with the performer
The number of interactions with the artist and the performer is much higher than the actors stay in a fixed position. If there is a performance flight system, this interaction will be more important. The way of movement has become more complex, two-dimensional or three-dimensional movement has been very common. The scenery can be moved in any direction, such as moving up or down or moving around the traditional opera house. The interaction between different elements is becoming more and more complicated, and the synchronization between multi-axis motion is more complicated.
3-axis movement is fast
Shaft movement is usually faster, and the audience can see. Whether in the theater or the opera house, many scenes are converted between the scenes; in some large performances, the audience can see these conversions. Due to the limited area of the theater, the speed of the boom is generally 2 m / s or slightly faster, while the speed of the flight system is 4 m / s to 5 m / s.
4 stage equipment to be operated
The equipment to be operated on the stage is growing, ranging from small power motors to large hydraulic presses, electric lifts and hoists for flight performance. During the performance, these devices will also be connected with other systems, the location status information passed to the automatic control system to ensure that the lights and video can be synchronized with the automatic control system.
To meet these needs, ST company developed a set of control systems to meet customer needs. The system has the following characteristics:
(1) The operator needs to operate in a place where the program is being staged. This means that in some cases some of the control positions need to be changed to ensure the best viewing angle. In particular, when the actor and the mechanical equipment are connected, the implementation of high-speed CUE, or to respond to the problem, you must close the distance between the operator and the program.
(2) As the performance becomes more and more complex, the operator needs to simultaneously manipulate a number of content of a stage mechanical motion instruction. This requires that the control system not only ensure a complex sequence of actions, but also respond to problems on the stage in time; in order to interact with the actors, but also have the ability to change the speed of CUE. In some complex scene conversions, multiple operators are required to collaborate, and each axis / CUE is controlled by several different operators / locations.
(3) have a strong fault diagnosis system to identify and correct the problem. The size of the device means that programming for complex motion takes a long time. This requires the use of a variety of possible auxiliary means to assist, such as the use of offline simulation editing, it can be geographically restricted, rehearsing those who have completed the design of mechanical motion instructions, in the play before the demonstration design team design results.
(4) The reliability and maintainability of the control system is also important. Without the control system, the performance is impossible. Therefore, this control system has a strong maneuverability, and easy long-term maintenance.