Hybrid office station intelligent management system and method based on UWB positioning
By leveraging the precise ranging and dual-layer sensing capabilities of UWB positioning technology, the problem of misjudging brief employee absences in existing workstation management systems has been solved. This enables automated management and efficient utilization of workstation resources, thereby improving user experience and office efficiency.
Patent Information
- Application Number
- CN202511661001.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-13
- Publication Date
- 2026-03-03
AI Technical Summary
Existing workstation management systems cannot effectively distinguish between employees' temporary and permanent absences, leading to the automatic release of workstations, which affects user experience and work efficiency.
Using UWB positioning technology, precise distance measurement and positioning are achieved through UWB workstation beacons and employee ID card beacons. Combined with a dual-layer sensing mode, automatic check-in, binding, status judgment and intelligent decision-making are realized.
It achieves a seamless user experience, improves judgment accuracy, avoids accidental release of workstations, maximizes space utilization, and integrates intelligent device control and attendance management functions.
Smart Images

Figure CN121603873A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of office management application technology, specifically relating to a hybrid office workstation intelligent management system and method based on UWB positioning. Background Technology
[0002] In the current hybrid work model, workstation resource sharing has become the norm. Existing workstation management systems typically operate based on the following process: users reserve workstations via mobile app or application, and upon arrival, they need to manually scan the QR code on the workstation to check in; only after the human body sensor (millimeter-wave radar) installed on the workstation detects someone can the height-adjustable desk and other equipment be unlocked.
[0003] However, this approach has significant drawbacks: when a user briefly leaves their workstation for reasons such as attending a meeting or going to a water station, the human body sensor will determine that the workstation is vacant after a preset time (e.g., 15 minutes), even though the mini-program sends a confirmation reminder to the user to cancel use. If the user fails to respond in time, the system will automatically release the workstation, leading to a poor experience such as lost items and work interruptions. The root of the problem is that existing technology cannot effectively distinguish between "temporary departure" and "permanent departure." Its judgment logic is simplistic and rigid, heavily relying on manual user operation (selecting to retain the workstation on the mini-program), resulting in low intelligence and becoming a major bottleneck in improving the hybrid office experience.
[0004] Therefore, there is an urgent need for a solution that can accurately perceive user intent, achieve seamless interaction, and intelligently manage workstation status. Summary of the Invention
[0005] To overcome the shortcomings of existing technologies, the present invention aims to provide a hybrid office workstation intelligent management system and method based on UWB positioning. Through the precise ranging and positioning of UWB technology, it achieves dual-layer perception of employee location and makes intelligent decisions accordingly.
[0006] To achieve the above objectives, the specific technical solution of the present invention is as follows: On the one hand, this invention provides a hybrid office workstation intelligent management system based on UWB positioning, including: UWB workstation beacons are deployed at each workstation and have a globally unique identifier. They are used to transmit UWB signals and perform close-range ranging with UWB employee badge beacons. UWB employee ID beacon, worn by employees and equipped with a built-in UWB chip, serves as their identification and mobile positioning beacon; UWB regional positioning base stations are deployed at the entrances and exits of office areas and in the areas where employees work or spend their days, forming a positioning network to monitor the location of UWB employee badge beacons within the area detected by the positioning base stations. The system server is responsible for processing UWB employee ID card beacon reservation data, receiving and processing all data uploaded by UWB workstation beacons and UWB area positioning base stations, and executing core business logic, including but not limited to automatic binding, status judgment, and workstation release. The user terminal provides an interface for workstation reservation, status viewing, and notification interaction. Control terminals refer to the equipment controlled by the system after a workstation is reserved, including height-adjustable desks and hand controllers.
[0007] Furthermore, the UWB workstation beacon is installed under the desktop of the height-adjustable desk and connects to the system server wirelessly, synchronizing the device status once per hour.
[0008] Furthermore, the UWB area positioning base station is installed on the ceiling of the office area, with adjacent UWB area positioning base stations spaced 5-6 meters apart. It is connected to the core switch via a PoE network cable to ensure signal coverage without dead zones. After the UWB area positioning base station is started, it completes position calibration through calibration software, and the positioning error is controlled within ±0.1 meters. The UWB area positioning base station also has Bluetooth functionality.
[0009] Furthermore, the management system draws a workstation map of shared workstations based on the actual workstation distribution of the enterprise; and receives signals emitted by tags through three or more UWB regional positioning base stations, uses bidirectional ranging (TWR) to measure the straight-line distance between the tags and UWB regional positioning base stations, and then uses AOA to measure the angle of arrival to obtain accurate location information.
[0010] Furthermore, the specific steps of the UWB ranging algorithm are as follows: ① UWB employee ID beacon A sends a pulse to UWB regional positioning base station B at time T1; ② UWB regional positioning base station B receives the pulse at time T2 and sends a response pulse to UWB employee badge beacon A at time T3; ③ UWB employee ID beacon A receives and responds to the response pulse at time T4; T2 = T1 + t1 + t a t1 is the time it takes for the pulse to travel from UWB employee badge beacon A to UWB regional positioning base station B. a This is the time it takes for the UWB area positioning base station B to process the signal; T3 = T2 + t β , t β This is the response time of the UWB area positioning base station B; T4 = T3 + t2 + t e t2 is the time it takes for the pulse to travel from the UWB regional positioning base station B to the UWB employee ID beacon A.e This is the time it takes for UWB employee ID beacon A to process signals; In this calculation formula, the timing of UWB employee badge beacon A and UWB area positioning base station B may be asynchronous, but the round-trip time is consistent, therefore: ΔT = T4 - T1 = (t1 + t) a +t β + t2 + t e ), Because of t a t β , t e The fixed latency of the hardware can be obtained through factory testing; therefore, the one-way time t = (ΔT - t) a -t β - t e ) / 2, the straight-line distance between UWB employee badge beacon A and UWB regional positioning base station B can be obtained by using the formula d=c×t, where d represents the distance, c represents the speed of electromagnetic waves in the air, and t represents the signal propagation time; ④ The angle between the tag and the UWB regional positioning base station is measured using AOA technology. The location of the tag can be determined by using these two calculated data.
[0011] Furthermore, the workstation binding and unlocking logic of the system is as follows: (1) When a user completes a workstation reservation through the mini-program, the system associates the UWB employee ID card beacon ID with the reserved UWB workstation beacon ID and activates at least 3 UWB area positioning base stations in the corresponding area (the minimum number of positioning base stations that can accurately locate the position in UWB positioning is 3) to enter the "monitoring mode". (2) When the distance between the UWB employee ID card beacon and the UWB workstation beacon is less than the second limit, the system server sends a "slow descent" instruction to the lifting table motor controller to indicate the location of the workstation reserved by the employee who is looking for a workstation; the range of the second limit is approximately within a radius of 5 meters of the reserved workstation, within which the workstation that is slowly descenting and has no one in front of it can be found relatively clearly.
[0012] (3) When the distance between the UWB employee ID card beacon and the UWB workstation beacon is less than the first limit, the system server sends an "unlock command" to the lifting table motor controller and uploads the "workstation occupied" status to the system server via WiFi. The mini-program updates synchronously. The range of the first limit is 0.8m in front of the workstation within a 120° range, which is the detection range of the replacement sensor.
[0013] (4) When the distance between the UWB employee ID card beacon and the UWB workstation beacon is less than the first limit distance and the sitting posture duration reaches the reminder time, the hand controller of the lifting table will vibrate and the light will flash to remind the employee to get up and rest or switch to a standing posture. (5) When an employee temporarily leaves his workstation, if someone enters the reserved workstation and tries to operate the hand controller, the hand controller will issue an alarm and the digital display on the hand controller will show that it is in use. At the same time, the mini program will push a warning message to the employee. (6) Logic for determining the area and releasing the workstation: During the workstation occupancy period, the UWB area positioning base station collects the employee badge beacon location data once per second. If the UWB employee badge beacon is not detected within the coverage area of any UWB area positioning base station for 5 consecutive minutes, it is determined that the employee has "left the office area". If it is not during the lunch break, the system will initiate the release process. If it is during the lunch break, the workstation will enter a temporary departure state. If the employee does not return to the workstation after the lunch break ends, the release process will be initiated. (7) The mini-program pushes a notification that "workstations will be available soon"; (8) If the UWB employee ID card beacon is not detected to return to the office area within a certain period of time, the system server sends a "release process" to the height-adjustable desk and updates the workstation status to "idle", opening up user reservations.
[0014] On the other hand, the present invention provides a method for intelligent management of hybrid office workstations based on UWB positioning. The aforementioned intelligent management system for hybrid office workstations based on UWB positioning includes the following steps: Step 1: Automatic check-in and binding; Step 2: Intelligent occupancy judgment and release of workstations; Step 3, Sedentary Reminder: When the distance between the employee and the workstation is less than the first limit distance and the duration of the sitting posture reaches the reminder time, the hand controller of the height-adjustable desk will vibrate and the light will flash to remind the employee to get up and rest or switch to a standing posture. Step 4, Abnormal Operation Warning: When an employee temporarily leaves their workstation, if someone enters the reserved workstation and tries to operate the hand controller, the hand controller will issue an alarm and the digital display on the hand controller will show that it is in use. At the same time, the mini program will push a warning message to the employee. Step 5: Decision logic – determine whether to release the workstation.
[0015] Furthermore, the specific operation process in step 1 is as follows: ① After an employee reserves a workstation, the system server records the reservation status; ② When an employee enters the office and approaches their reserved workstation, the UWB employee ID beacon they wear and the UWB workstation beacon on the workstation communicate with the UWB regional positioning base station via UWB pulse signals to accurately calculate the real-time distance between them. ③ When the system detects that the distance has been less than the second limit distance for a period of time, it determines that the employee has entered the vicinity of the reserved workstation. At this time, the lifting table will slowly move to the preferred position of the reserved employee to indicate the location of the target workstation. The range of the second limit is approximately within a radius of 5 meters of the reserved workstation. Within this range, it is possible to clearly find the workstation that is slowly descending and has no one in front of it. ④ When the system detects that the distance is less than the first limit distance for a period of time, it determines that the user has arrived at the reserved workstation. The system then automatically performs the check-in operation, updates the workstation status to "occupied", and sends a command to unlock the relevant equipment, completing the automatic binding of the workstation and the employee. The range of the first limit is 0.8m within a 120° range in front of the workstation, which is the detection range of the replacement sensor.
[0016] Furthermore, step 2 includes local area monitoring and global area tracking. Local area monitoring determines whether an employee is near their workstation by continuously measuring the distance between the UWB workstation beacon and the UWB employee badge beacon. Global area tracking uses a deployed UWB regional positioning base station network to track the coordinates of the UWB employee badge beacon in the entire office area in real time, determining whether the employee is "within the office area" or "has left the office area".
[0017] Furthermore, in step 5, the specific decision logic is as follows: if the employee leaves the workstation but remains within the office area, the system determines it as a temporary departure, the workstation status remains "occupied," and no release timer or reminder is triggered; if the system determines through the UWB regional positioning base station that the employee has left the office area, the workstation release process is triggered to avoid accidental release; if the employee has booked a full day of work and leaves the office area during lunch break, the workstation will automatically enter a reserved state, waiting for the employee to return to the workstation before the end of lunch break to resume normal work status.
[0018] Compared with the prior art, the present invention has the following advantages: (1) Seamless experience: This invention completely eliminates the step of manually scanning the code to sign in, and completes it automatically through UWB precise distance measurement, which greatly improves the user experience and system efficiency; (2) High judgment accuracy: The present invention fundamentally solves the problem of misjudging "temporary departure" and "permanent departure" through the dual-layer perception mode of "local + global", avoiding the trouble caused by the accidental release of workstations; (3) Maximize space utilization: The precise release logic of this invention ensures that idle workstations can be reclaimed and redistributed in a timely manner, thereby significantly improving the utilization rate of office space; (4) High integration and scalability: This system can easily integrate functions such as intelligent device control (e.g., lifting table unlocking), attendance management, and space hotspot analysis, and has good commercial value and scalability. Attached Figure Description
[0019] Figure 1 This is a flowchart of the method of the present invention. Detailed Implementation
[0020] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.
[0021] Example 1
[0022] This embodiment requests protection for a hybrid office workstation intelligent management system based on UWB positioning. Through the precise ranging and positioning of UWB technology, it achieves two-layer perception of employee locations and makes intelligent decisions accordingly. The system includes UWB workstation beacons, UWB employee badge beacons, UWB area positioning base stations, a system server, user terminals, and a control terminal. The system comprises several components: a UWB workstation beacon deployed at each workstation, each with a globally unique identifier, used to transmit UWB signals and perform close-range ranging with the UWB employee ID beacon; a UWB employee ID beacon worn by employees, containing a built-in UWB chip, serving as their identification and mobile positioning beacon; UWB area positioning base stations deployed at office entrances and exits and in areas where employees work or spend time daily, forming a positioning network to monitor the location of the UWB employee ID beacon within the area detected by the positioning base stations; a system server responsible for processing UWB employee ID beacon reservation data, receiving and processing all data uploaded by UWB workstation beacons and UWB area positioning base stations, and executing core business logic, including but not limited to automatic binding, status judgment, and workstation release; a user terminal providing an interactive interface for workstation reservation, status viewing, and notifications; and a control terminal (referring to the related equipment controlled by the system after a workstation is reserved), including height-adjustable desks and handheld controllers.
[0023] UWB workstation beacons are installed under the desktop of the height-adjustable desk, connecting wirelessly to the system server and synchronizing device status once per hour. For example, a UWB workstation beacon is fixed to the right edge under the desktop with screws to prevent signal deviation caused by shaking. The UWB workstation beacon adopts a low-power design, powered by a button battery, ensuring lightweight construction and easy battery replacement. It also integrates an RFID chip, reusing the company's existing access control and attendance systems. UWB area positioning base stations are installed on the ceiling of the office area, with adjacent UWB area positioning base stations spaced 5-6 meters apart, connected to the core switch via PoE network cable to ensure signal coverage without dead zones. After the UWB area positioning base station is activated, it completes position calibration through calibration software, controlling the positioning error within ±0.1 meters. The UWB area positioning base station also has Bluetooth functionality.
[0024] The management system creates a workstation map of shared workstations based on the actual workstation distribution within the enterprise. It then receives signals from tags via three or more UWB area positioning base stations, uses a two-way ranging (TWR) system to measure the straight-line distance between the tag and the UWB area positioning base stations, and uses the angle of arrival (AOA) to measure the angle of arrival, thus obtaining precise location information. The specific steps of the UWB ranging algorithm are as follows: ① UWB employee ID beacon A sends a pulse to UWB regional positioning base station B at time T1; ② UWB regional positioning base station B receives the pulse at time T2 and sends a response pulse to UWB employee badge beacon A at time T3; ③ UWB employee ID beacon A receives and responds to the response pulse at time T4; T2 = T1 + t1 + t a t1 is the time it takes for the pulse to travel from UWB employee ID beacon A to UWB regional positioning base station B. a This is the time it takes for the UWB area positioning base station B to process the signal; T3 = T2 + t β , t β This is the response time of the UWB area positioning base station B; T4 = T3 + t2 + t e t2 is the time it takes for the pulse to travel from the UWB regional positioning base station B to the UWB employee ID beacon A. e This is the time it takes for UWB employee ID beacon A to process signals; In this calculation formula, the timing of UWB employee badge beacon A and UWB area positioning base station B may be asynchronous, but the round-trip time is consistent, therefore: ΔT = T4 - T1 = (t1 + t) a +t β + t2 + te ), Because of t a t β t e The fixed latency of the hardware can be obtained through factory testing; therefore, the one-way time t = (ΔT - t) a -t β - t e ) / 2, the straight-line distance between UWB employee badge beacon A and UWB regional positioning base station B can be obtained by using the formula d=c×t, where d represents the distance, c represents the speed of electromagnetic waves in the air, and t represents the signal propagation time; ④ The angle between the tag and the UWB regional positioning base station is measured using AOA technology. The location of the tag can be determined by using these two calculated data.
[0025] In this embodiment, the system's workstation binding and unlocking logic is as follows: (1) When a user completes the workstation reservation through the mini-program, the system will associate the UWB employee ID card beacon ID with the reserved UWB workstation beacon ID and activate at least 3 UWB area positioning base stations in the corresponding area to enter the "monitoring mode". (2) When the distance between the UWB employee ID card beacon and the UWB workstation beacon is less than the second limit, the system server sends a "slow descent" instruction to the lifting table motor controller to indicate the location of the workstation reserved by the employee who is looking for a workstation; (3) When the distance between the UWB employee ID card beacon and the UWB workstation beacon is less than the first limit, the system server sends an "unlock command" to the lifting table motor controller and uploads the "workstation occupied" status to the system server via WiFi. The mini-program is updated synchronously. (4) When the distance between the UWB employee ID card beacon and the UWB workstation beacon is less than the first limit distance and the sitting posture duration reaches the reminder time, the hand controller of the lifting table will vibrate and the light will flash to remind the employee to get up and rest or switch to a standing posture. (5) When an employee temporarily leaves his workstation, if someone enters the reserved workstation and tries to operate the hand controller, the hand controller will issue an alarm and the digital display on the hand controller will show that it is in use. At the same time, the mini program will push a warning message to the employee. (6) Logic for determining the area and releasing the workstation: During the workstation occupancy period, the UWB area positioning base station collects the employee badge beacon location data once per second. If the UWB employee badge beacon is not detected within the coverage area of any UWB area positioning base station for 5 consecutive minutes, it is determined that the employee has "left the office area". If it is not during the lunch break, the system will initiate the release process. If it is during the lunch break, the workstation will enter a temporary departure state. If the employee does not return to the workstation after the lunch break ends, the release process will be initiated. (7) The mini-program pushes a notification that "workstations will be available soon"; (8) If the UWB employee ID card beacon is not detected to return to the office area within a certain period of time, the system server sends a "release process" to the height-adjustable desk and updates the workstation status to "idle", opening up user reservations.
[0026] Example 2
[0027] like Figure 1 As shown, this embodiment claims protection for a hybrid office workstation intelligent management method based on UWB positioning. Based on the hybrid office workstation intelligent management system based on UWB positioning described in Embodiment 1, it includes the following steps: Step 1: Automatic check-in and binding.
[0028] The specific operation procedure for this step is as follows: ① After an employee reserves a workstation, the system server records the reservation status; ② When an employee enters the office and approaches their reserved workstation, the UWB employee ID beacon they wear and the UWB workstation beacon on the workstation communicate with the UWB regional positioning base station via UWB pulse signals to accurately calculate the real-time distance between them. ③ When the system detects that the distance has been less than the second limit distance for a period of time, it determines that the employee has entered the vicinity of the reserved workstation. At this time, the height-adjustable desk will slowly move to the preferred position of the reserved employee to indicate the location of the target workstation to the employee. ④ When the system detects that the distance has been less than the first limit distance for a period of time, it determines that the user has arrived at the reserved workstation. The system then automatically performs the check-in operation, updates the workstation status to "occupied", and sends a command to unlock the relevant equipment, thus completing the automatic binding of the workstation and the employee.
[0029] Step 2: Intelligent occupancy judgment and release of workstations.
[0030] Localized monitoring: By continuously measuring the distance between the UWB workstation beacon and the UWB employee badge beacon, it can be determined whether the employee is near the workstation.
[0031] Global Area Tracking: By deploying a network of UWB regional positioning base stations, the coordinates of UWB employee badge beacons are tracked in real time throughout the entire office area to determine whether an employee is "within the office area" or "has left the office area".
[0032] Step 3: Sedentary reminder.
[0033] When the distance between the employee and the workstation is less than the first limit distance and the sitting posture lasts for the reminder time, the hand controller of the height-adjustable desk will vibrate and the light will flash to remind the employee to get up and rest or switch to a standing posture. Step 4: Abnormal operation warning.
[0034] If someone enters the reserved workstation after an employee has temporarily left, and attempts to operate the handheld controller, the handheld controller will issue an alarm and display "in use" information on its digital display. At the same time, the mini-program will push a warning message to the employee. Step 5: Decision logic – determine whether to release the workstation.
[0035] If an employee leaves their workstation but remains within the office area (e.g., going to the break room or meeting room), the system determines it as a brief absence, and the workstation remains "occupied," without triggering any release timer or reminder. If the system determines that the employee has left the office area via UWB regional positioning base stations, it triggers the workstation release process (e.g., sending a final confirmation notification, or automatically releasing after a certain delay) to avoid accidental release. If an employee has booked a full day of work and leaves the office area during lunch break (which can be configured), the workstation will automatically enter a reserved state, waiting for the employee to return before the end of lunch break to resume normal work.
[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. A hybrid office workstation intelligent management system based on UWB positioning, characterized in that, include: UWB workstation beacons are deployed at each workstation and have a globally unique identifier. They are used to transmit UWB signals and perform close-range ranging with UWB employee badge beacons. UWB employee ID beacon, worn by employees and equipped with a built-in UWB chip, serves as their identification and mobile positioning beacon; UWB regional positioning base stations are deployed at the entrances and exits of office areas and in the areas where employees work or spend their days, forming a positioning network to monitor the location of UWB employee badge beacons within the area detected by the positioning base stations. The system server is responsible for processing UWB employee ID card beacon reservation data, receiving and processing all data uploaded by UWB workstation beacons and UWB area positioning base stations, and executing core business logic, including but not limited to automatic binding, status judgment, and workstation release. The user terminal provides an interface for workstation reservation, status viewing, and notification interaction. Control terminals include height-adjustable desks and hand controllers.
2. The intelligent management system for hybrid office workstations based on UWB positioning according to claim 1, characterized in that, The UWB workstation beacon is installed under the desktop of the height-adjustable desk and connects to the system server wirelessly, synchronizing the device status once per hour.
3. The intelligent management system for hybrid office workstations based on UWB positioning according to claim 1, characterized in that, The UWB area positioning base station is installed on the ceiling of the office area, with adjacent UWB area positioning base stations spaced 5-6 meters apart. It is connected to the core switch via a PoE network cable to ensure signal coverage without dead zones. After the UWB area positioning base station is started, it completes position calibration through calibration software, and the positioning error is controlled within ±0.1 meters. The UWB area positioning base station also has Bluetooth functionality.
4. The intelligent management system for hybrid office workstations based on UWB positioning according to claim 1, characterized in that, The management system draws a workstation map of shared workstations based on the actual workstation distribution of the enterprise; and receives signals emitted by UWB employee ID card beacons through three or more UWB area positioning base stations, uses two-way ranging (TWR) to measure the straight-line distance between the UWB employee ID card beacons and the UWB area positioning base stations, and then uses AOA to measure the angle of arrival to obtain accurate location information.
5. The intelligent management system for hybrid office workstations based on UWB positioning according to claim 4, characterized in that, The specific steps of the UWB ranging algorithm are as follows: ① UWB employee ID beacon A sends a pulse to UWB regional positioning base station B at time T1; ② UWB regional positioning base station B receives the pulse at time T2 and sends a response pulse to UWB employee badge beacon A at time T3; ③ UWB employee ID beacon A receives and responds to the response pulse at time T4; T2 = T1 + t1 + t a t1 is the time it takes for the pulse to travel from UWB employee badge beacon A to UWB regional positioning base station B. a This is the time it takes for the UWB area positioning base station B to process the signal; T3 = T2 + t β , t β This is the response time of the UWB area positioning base station B; T4 = T3 + t2 + t e t2 is the time it takes for the pulse to travel from the UWB regional positioning base station B to the UWB employee ID beacon A. e This is the time it takes for UWB employee ID beacon A to process signals; In this calculation formula, the timing of UWB employee badge beacon A and UWB area positioning base station B may be asynchronous, but the round-trip time is consistent, therefore: ΔT = T4 - T1= (t1+ t a +t β + t2 + t e ), Because of t a t β t e The fixed latency of the hardware can be obtained through factory testing; therefore, the one-way time t = (ΔT - t) a -t β - t e ) / 2, the straight-line distance between UWB employee badge beacon A and UWB regional positioning base station B can be obtained by using the formula d=c×t, where d represents the distance, c represents the speed of electromagnetic waves in the air, and t represents the signal propagation time; ④ The angle between the tag and the UWB regional positioning base station is measured using AOA technology. The location of the tag can be determined by using these two calculated data.
6. The intelligent management system for hybrid office workstations based on UWB positioning according to claims 1-5, characterized in that, The workstation binding and unlocking logic of the system is as follows: (1) When a user completes the workstation reservation through the mini-program, the system will associate the UWB employee ID card beacon ID with the reserved UWB workstation beacon ID and activate at least 3 UWB area positioning base stations in the corresponding area to enter "monitoring mode". (2) When the distance between the UWB employee ID card beacon and the UWB workstation beacon is less than the second limit, the system server sends a "slow descent" instruction to the lifting table motor controller to indicate the location of the workstation reserved by the employee who is looking for a workstation; (3) When the distance between the UWB employee ID card beacon and the UWB workstation beacon is less than the first limit, the system server sends an "unlock command" to the lifting table motor controller and uploads the "workstation occupied" status to the system server via WiFi. The mini-program is updated synchronously. (4) When the distance between the UWB employee ID card beacon and the UWB workstation beacon is less than the first limit distance and the sitting posture duration reaches the reminder time, the hand controller of the lifting table will vibrate and the light will flash to remind the employee to get up and rest or switch to a standing posture. (5) When an employee temporarily leaves his workstation, if someone enters the reserved workstation and tries to operate the hand controller, the hand controller will issue an alarm and the digital display on the hand controller will show that it is in use. At the same time, the mini program will push a warning message to the employee. (6) Logic for determining the area and releasing the workstation: During the workstation occupancy period, the UWB area positioning base station collects the employee badge beacon location data once per second. If the UWB employee badge beacon is not detected within the coverage area of any UWB area positioning base station for 5 consecutive minutes, it is determined that the employee has "left the office area". If it is not during the lunch break, the system will initiate the release process. If it is lunch break time, the workstation will be temporarily abandoned. If the worker does not return to the workstation after the lunch break ends, the release process will be initiated. (7) The mini-program pushes a "Workstations will be available soon" notification; (8) If the UWB employee ID card beacon is not detected to return to the office area within a certain period of time, the system server sends a "release process" to the height-adjustable desk and updates the workstation status to "idle", opening up user reservations.
7. A method for intelligent management of hybrid office workstations based on UWB positioning, based on the intelligent management system for hybrid office workstations based on UWB positioning as described in claim 6, characterized in that, Includes the following steps: Step 1: Automatic check-in and binding; Step 2: Intelligent occupancy judgment and release of workstations; Step 3, Sedentary Reminder: When the distance between the employee and the workstation is less than the first limit distance and the duration of the sitting posture reaches the reminder time, the hand controller of the height-adjustable desk will vibrate and the light will flash to remind the employee to get up and rest or switch to a standing posture. Step 4, Abnormal Operation Warning: When an employee temporarily leaves their workstation, if someone enters the reserved workstation and tries to operate the hand controller, the hand controller will issue an alarm and the digital display on the hand controller will show that it is in use. At the same time, the mini program will push a warning message to the employee. Step 5: Decision logic – determine whether to release the workstation.
8. The intelligent management method for hybrid office workstations based on UWB positioning according to claim 7, characterized in that, In step 1, the specific operation process is as follows: ① After an employee reserves a workstation, the system server records the reservation status; ② When an employee enters the office and approaches their reserved workstation, the UWB employee ID beacon they wear and the UWB workstation beacon on the workstation communicate with the UWB regional positioning base station via UWB pulse signals to accurately calculate the real-time distance between them. ③ When the system detects that the distance has been less than the second limit distance for a period of time, it determines that the employee has entered the vicinity of the reserved workstation. At this time, the height-adjustable desk will slowly move to the preferred position of the reserved employee to indicate the location of the target workstation to the employee. ④ When the system detects that the distance has been less than the first limit distance for a period of time, it determines that the user has arrived at the reserved workstation. The system then automatically performs the check-in operation, updates the workstation status to "occupied", and sends a command to unlock the relevant equipment, thus completing the automatic binding of the workstation and the employee.
9. The intelligent management method for hybrid office workstations based on UWB positioning according to claim 7, characterized in that, Step 2 includes local area monitoring and global area tracking. Local area monitoring determines whether an employee is near their workstation by continuously measuring the distance between the UWB workstation beacon and the UWB employee badge beacon. Global area tracking uses a deployed UWB regional positioning base station network to track the coordinates of the UWB employee badge beacon in the entire office area in real time, determining whether the employee is "within the office area" or "has left the office area".
10. The intelligent management method for hybrid office workstations based on UWB positioning according to claim 7, characterized in that, In step 5, the specific decision logic is as follows: if an employee leaves their workstation but remains within the office area, the system determines it as a temporary absence, and the workstation status remains "occupied," without triggering any release timer or reminder; if the system determines through UWB regional positioning base stations that the employee has left the office area, it triggers the workstation release process to avoid accidental release; if an employee has booked a full day of work and leaves the office area during lunch break, the workstation will automatically enter a reserved state, waiting for the employee to return to the workstation before the end of lunch break to resume normal work.