Master Control Synchronization for Motion Control Systems
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Solution Overview
Problem
The film industry faces challenges in achieving precise and cost-effective motion control for camera and object movements, especially in creating multiple takes and special effects, due to the high expense and custom nature of existing motion control systems.
Innovation Solution
A system with a master control that synchronizes control signals with a global timeline, allowing for precise control of device actors such as robotic arms and lighting, and includes safety shutdown features to prevent collisions and ensure accurate repetition of scenes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If custom motion control systems are used for precise camera and object control, then manufacturing precision and reliability are improved, but device complexity and cost increase significantly
Solution Approach 1:
The patent implements a universal motion control system where a single master controller can manage multiple device actors (cameras, lights, robotic arms) through standardized communication protocols. The system uses a common data structure (ActorData) and control interface that works across different device types, eliminating the need for custom control systems for each device while maintaining precise control capabilities.
Solution Approach 2:
The system divides the motion control functionality into separate modular components: a master controller that manages timing and coordination, individual device actors that execute specific movements, and a standardized communication layer. This segmentation allows each component to be optimized independently while working together through the global timeline synchronization mechanism.
2Reliability
If multiple takes are shot with precise motion control for special effects, then reliability of scene repetition is improved, but loss of time increases due to setup and coordination
Solution Approach 1:
The system pre-synchronizes all device actors to a global timeline before each take, storing the synchronized state for quick recall. The master controller maintains a ready-to-execute sequence of control signals that can be rapidly reactivated for multiple takes without requiring full re-setup, enabling fast repetition while maintaining precise scene accuracy.
Solution Approach 2:
The system continuously monitors the actual positions and states of all device actors during playback and compares them against the planned global timeline. Any deviations are detected and corrected in real-time, ensuring that each take matches the intended scene precisely while providing data for rapid adjustment between takes.
3Adaptability or versatility
If complex scenes with multiple device actors are coordinated, then adaptability of the system is improved, but device complexity and difficulty of operation increase
Solution Approach 1:
The master controller provides a unified interface for controlling all device actors, regardless of their specific types or functions. The standardized ActorData structure and control protocols allow the operator to manage cameras, lights, robotic arms, and other devices through a single system, simplifying operation while maintaining the ability to coordinate complex multi-device scenes.
Solution Approach 2:
The system merges the control of multiple independent device actors into a single coordinated operation through the global timeline mechanism. All devices are synchronized to the same timebase and can be controlled through unified commands from the master controller, reducing the operational complexity that would otherwise arise from managing each device separately.
Data Source
AI summary
Systems and methods for creating a motion control photography set are disclosed. One embodiment includes a master control that receives control signals for a plurality of device actors, such as robot arms, lighting, and camera controls, and synchronizes the plurality of control signals with a global timeline to create a plurality of synchronized signals, such that the control data for each actor of the device actors is associated with a corresponding position in the global timeline. According to another embodiment, the set also includes a master input that conveys a master input signal to the master control indicating a position in the global timeline and a rate of progression through the global timeline. In response to the master input signal, the control data for each actor of the device actors is sent to respective device actors at an adjustable rate of progression through the global timeline.