In August last year, IBM announced chips that operate in a similar way to human brain neurons and synapses. According to the MIT Technology Review website, IBM has begun to develop a new generation of human brain analog chips, enabling mobile devices to better accomplish tasks that are fairly easy for the human brain but difficult for computers. , for example, speech recognition and interpretation of pictures. John Kelly, senior vice president of IBM Research, said, "We are developing a new generation of chips, but the most important thing now is to find a business partner. Companies can use this chip for all kinds of mobile devices. , machines, cars and other products."
According to the MIT Technology Review, Curley calls products such as mobile phones with brain-inspired chips that allow them to recognize what the owner is saying and track what is happening around them. The products closest to this technology can "understand" a few keywords. Users can wake up Apple's latest iPhone by saying "Hey Siri", and "OK Google" can wake up some Android phones.
IBM's TrueNorth chip architecture was developed through a project funded by the US Department of Defense's Advanced Research Projects Agency to enable portable computers to run advanced image or speech recognition without the need for cloud computing technology and with very low power consumption. Machine intelligence software.
Collie said that IBM is negotiating with the well-known computer system manufacturers to apply TrueNorth, but did not disclose specific partners, "we are negotiating with manufacturers in the mobile and IoT sectors." The TrueNorth chip can be used as a "coprocessor" in the device.
The TrueNorth chip, released in August last year, is about the size of a stamp, with 1 million silicon "neurons" and 256 million synapses. TrueNorth's energy consumption is less than one-thousandth of the cost of a conventional chip. In IBM's demonstration, its neural network can perform tasks such as identifying different vehicles in the video in real time.
However, because the TrueNorth chip is very different from existing computer chips, it requires a new approach to software development. Its pseudo-neurons work differently than software-based artificial neural networks. Recently, through a method called "deep learning," Google, Facebook, and Microsoft have made breakthroughs in using artificial neural networks to process speech and images.
According to the MIT Technology Review, neurons in the IBM TrueNorth architecture use electronic switches "spikes" to encode data that mimics the spikes in biological neurons. The simulated neurons used in deep learning do not use spikes.
In terms of tasks such as speech recognition or image processing, artificial neural networks that use spiked neurons—including IBM's technology—are not as good at performing similar techniques as deep learning. Yann LeCun, head of Facebook's artificial intelligence lab and deep learning expert, questioned the practicality of artificial neural networks using spiked neurons.
Dharmendra Modha, who is responsible for IBM brain-inspired chip development, argues that spikes are critical for neural networks running on low-power chips. He said his team has begun to develop tools to port a well-trained deep learning neural network to the TrueNorth chip. "The chip is a matrix that maps a wide variety of neural networks."
Terrence Sejnowski, head of the computational neurobiology laboratory at the Salk Institute for Biological Research, says that portable computers can be intelligent without consuming large amounts of energy or using cloud computing technology. Tasks, spike neurons are important.
The MIT Technology Review points out that even if IBM's brain-inspired chip architecture and deep learning technology are "reconciled," they will face competition. Google is already developing artificial neural networks that can run on existing mobile devices. Several companies, including well-known mobile chip maker Qualcomm, are developing chips to run existing deep learning software on computing devices such as mobile phones and on-board computers.
Concerned about surprises
Elevator modernization (or lift modernisation) is the process of upgrading the critical parts of the elevator in order for it to be able to handle new technology, have better performance, improve safety, and even give the aesthetics an up-to-date appeal
Most elevators are built to provide about 20 years of service, as long as service intervals specified and periodic maintenance/inspections by the manufacturer are followed. As the elevator ages and equipment become increasingly difficult to find or replace, along with code changes and deteriorating ride performance, a complete overhaul of the elevator may be suggested to the building owners.
A typical modernization consists of controller equipment, electrical wiring and buttons, position indicators and direction arrows, hoist machines and motors (including door operators), and sometimes door hanger tracks. Rarely are car slings, rails, or other heavy structures changed. The cost of an elevator modernization can range greatly depending on which type of equipment is to be installed.
Modernization can greatly improve operational reliability by replacing mechanical relays and contacts with solid-state electronics. Ride quality can be improved by replacing motor-generator-based drive designs with Variable-Voltage, Variable Frequency (VVVF) drives, providing near-seamless acceleration and deceleration. Passenger safety is also improved by updating systems and equipment to conform to current codes.
Components needs to be replaced in different elevator modernization plan
| Component | Scheme of elevator modernization plan | |||
|---|---|---|---|---|
| Refurbishment work | Partial modernization | Full modernization | Full replacement | |
| Elevator car | ||||
| Sling | No | No | by building owners | Yes |
| Door operator | No | by building owners | Yes | Yes |
| Cab design | by building owners | by building owners | Yes | Yes |
| Car doors | by building owners | by building owners | Yes | Yes |
| Car fixtures | Yes | by building owners | Yes | Yes |
| Wedges connected to the governor | No | No | Yes | Yes |
| Additional phone/intercom if they don't equipped | by building owners | Yes | Yes | Yes |
| Traveling cable | No | Yes | Yes | Yes |
| Hydraulic rams | No | No | No | Yes |
| Wire ropes | No | by building owners | Yes | Yes |
| Shaft | ||||
| Counterweight | No | No | No | Yes |
| Guide rails | No | No | No | Yes |
| Buffers | No | No | Yes | Yes |
| Electrical components | No | No | No | Yes |
| Tapehead | No | Yes | Yes | Yes |
| Limit switches | No | Yes | Yes | Yes |
| Wiring | No | Yes | Yes | Yes |
| Compensations | No | No | No | Yes |
| Lobby | ||||
| Shaft door components | by building owners | by building owners | Yes | Yes |
| Shaft doors | by building owners | by building owners | by building owners | Yes |
| Hall fixtures | Yes | by building owners | Yes | Yes |
| Machine room | ||||
| Machines | No | by building owners | Yes | Yes |
| Controllers | No | Yes | Yes | Yes |
| Removal of the selector | by building owners | Yes | Yes | Yes |
| Overspeed governor | No | No | Yes | Yes |
| Additional unintended car movement protection device if they don't equipped | by building owners | by elevator safety code in countries | ||
| Backup battery or uninterruptible power supply | No | Yes | Yes | Yes |
Benefits of elevator modernization
Modernization can greatly improve operational reliability by replacing mechanical relays and contacts with solid-state electronics. Ride quality can be improved by replacing motor-generator-based drive designs with Variable-Voltage, Variable Frequency (VVVF) drives, providing near-seamless acceleration and deceleration. Passenger safety is also improved by updating systems and equipment (such as double brake system, unintended car movement protection device on the brake system etc.) to conform to current codes.
With CEP traction elevator modernization, we use the existing elevator structure while upgrading the ride quality and reliability with state-of-the-art components. Upgrade to a CEP closed loop door operator or a sophisticated, energy saving VVVF inverter.
CEP traction elevator modernization can include:
- CEP Microprocessor Based Control System
- CEP Microprocessor Based Efficient Dispatch System
- Energy Efficient AC Drives or SCR Drives on Existing AC Gearless Machines
- Traction Machines (Geared / Gearless)
- Rope Brake System
- CEP Closed Loop Door Operating System
- Car & Hall Pushbutton Fixtures & Indicators
- Car & Counterweight Roller Guides
- Seismic Upgrades
- Security Upgrades
- Cab Interior Renovations or Cab Replacement
NOTE: Complete tear-out modernizations are available.
Contact us TODAY for Right Modernization Package Available
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