Advanced Mathematics and Numerical Modeling of IoT

MQTT

MQTT

Context Channel M

Context Channel M

F 2 F 1

F k

F 3

F 0

F 12F 3

Global filter chain

Publish

Context Channel 1

Context Channel 2

Ch 1

Ch 4

Application A

Overload alarm

Current weight

Address

Indoor position

Elevator model

Channel id

CH [0, 1, 2, K]

CH [3, 12, 19, K]

Ch [2, K]

Ch [I, J, K]

··· ···

Overload alarm

Fire alarm

Current weight

Overload alarm

Current weight

Current EV temp

Address

Indoor position

Elevator model

Address

Indoor position

Elevator model

Overload alarm

Fire alarm

Current weight

Elevator model

Context primitives
Single message

Single message

Channel selector

Row data id

Row data

Figure 1: Overall structure of SCondi.

Elevator

Current time

Current weight

Current floor

Image from admiral elevator

http://www.admiralelevator.com/

Context primitives

Fire and rescue

service

Address

Manufacturer

Security

Door sensor

Monitoring center

Indoor position

Elevator model

Overload alarm

Fire alarm

Emergency stop

Current weight

Current EV temp

Current weight

Controller

Selector

Geared machine

Governor

Deflector shave

Final limit switch

Safe edge

Brace rod

Counterweight

guide rail

Directional

limit switch

Final limit switch

Governor tension

Buffer channel sheave assembly

Car buffer

Landing entrance

Counterweight

Traveling cable

Car safety

Toe guard

Door operator

Roller guide

Hoist ropes

Car guide rail

Motor generator set

···

Figure 2: Example of context primitive.